Merge branch 'release/2.12.1'

fix version numbers
add VM arguments for Java > 9
2021-02-18 08:19:16 +00:00 · 2021-02-18 08:18:47 +00:00 · 2021-02-18 08:14:12 +00:00 · 2021-02-18 06:32:14 +00:00 · 2021-02-18 06:26:42 +00:00 · 2021-02-17 21:15:33 +00:00
134 changed files with 632 additions and 2541 deletions
--- a/.gitignore
+++ b/.gitignore
@ -8,4 +8,5 @@ SCViewer.xcf
 SCViewer_1.png
 copyrightLog.txt
 /workspace
-?*.launch
+?*.launch
+/.settings/
--- a/features/com.minres.scviewer.database.feature/pom.xml
+++ b/features/com.minres.scviewer.database.feature/pom.xml
@ -5,7 +5,7 @@
  <parent>
  	<groupId>com.minres.scviewer</groupId>
  	<artifactId>com.minres.scviewer.parent</artifactId>
-  	<version>2.11.0</version>
+  	<version>2.12.1</version>
 	<relativePath>../..</relativePath>
  </parent>
  <version>3.0.0-SNAPSHOT</version>
--- a/features/com.minres.scviewer.e4.feature/pom.xml
+++ b/features/com.minres.scviewer.e4.feature/pom.xml
@ -5,7 +5,7 @@
  <parent>
  	<groupId>com.minres.scviewer</groupId>
  	<artifactId>com.minres.scviewer.parent</artifactId>
-  	<version>2.11.0</version>
+  	<version>2.12.1</version>
 	<relativePath>../..</relativePath>
  </parent>
  <version>1.1.0-SNAPSHOT</version>
--- a/features/com.minres.scviewer.e4.platform.feature/pom.xml
+++ b/features/com.minres.scviewer.e4.platform.feature/pom.xml
@ -5,7 +5,7 @@
  <parent>
  	<groupId>com.minres.scviewer</groupId>
  	<artifactId>com.minres.scviewer.parent</artifactId>
-  	<version>2.11.0</version>
+  	<version>2.12.1</version>
 	<relativePath>../..</relativePath>
  </parent>
  <version>1.0.0-SNAPSHOT</version>
--- a/features/com.minres.scviewer.feature/pom.xml
+++ b/features/com.minres.scviewer.feature/pom.xml
@ -5,7 +5,7 @@
  <parent>
  	<groupId>com.minres.scviewer</groupId>
  	<artifactId>com.minres.scviewer.parent</artifactId>
-  	<version>2.11.0</version>
+  	<version>2.12.1</version>
 	<relativePath>../..</relativePath>
  </parent>
  <version>1.1.0-SNAPSHOT</version>
--- a/features/com.minres.scviewer.ui.feature/pom.xml
+++ b/features/com.minres.scviewer.ui.feature/pom.xml
@ -5,7 +5,7 @@
  <parent>
  	<groupId>com.minres.scviewer</groupId>
  	<artifactId>com.minres.scviewer.parent</artifactId>
-  	<version>2.11.0</version>
+  	<version>2.12.1</version>
 	<relativePath>../..</relativePath>
  </parent>
  <version>1.1.0-SNAPSHOT</version>
--- a/p2repositories/com.minres.scviewer.updateSite/.settings/org.eclipse.m2e.core.prefs
+++ b/p2repositories/com.minres.scviewer.updateSite/.settings/org.eclipse.m2e.core.prefs
@ -1,4 +0,0 @@
-activeProfiles=
-eclipse.preferences.version=1
-resolveWorkspaceProjects=true
-version=1
--- a/plugins/com.minres.scviewer.database.leveldb/.classpath
+++ b/plugins/com.minres.scviewer.database.leveldb/.classpath
@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry exported="true" kind="lib" path="json-20180813.jar" sourcepath="json-20180813-sources.jar"/>
-	<classpathentry exported="true" kind="lib" path="leveldb-0.11-SNAPSHOT-uber.jar" sourcepath="leveldb-0.11-SNAPSHOT-sources.jar"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
-	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>
--- a/plugins/com.minres.scviewer.database.leveldb/.gitignore
+++ b/plugins/com.minres.scviewer.database.leveldb/.gitignore
@ -1,4 +0,0 @@
-/json-20180813-sources.jar
-/leveldb-0.11-SNAPSHOT-sources.jar
-/bin/
-/target/
--- a/plugins/com.minres.scviewer.database.leveldb/.project
+++ b/plugins/com.minres.scviewer.database.leveldb/.project
@ -1,33 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>com.minres.scviewer.database.leveldb</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.pde.ManifestBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.pde.SchemaBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.pde.ds.core.builder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.pde.PluginNature</nature>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>
--- a/plugins/com.minres.scviewer.database.leveldb/.settings/org.eclipse.jdt.core.prefs
+++ b/plugins/com.minres.scviewer.database.leveldb/.settings/org.eclipse.jdt.core.prefs
@ -1,7 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.8
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.8
--- a/plugins/com.minres.scviewer.database.leveldb/.settings/org.eclipse.pde.core.prefs
+++ b/plugins/com.minres.scviewer.database.leveldb/.settings/org.eclipse.pde.core.prefs
@ -1,4 +0,0 @@
-eclipse.preferences.version=1
-pluginProject.equinox=false
-pluginProject.extensions=false
-resolve.requirebundle=false
--- a/plugins/com.minres.scviewer.database.leveldb/.settings/org.eclipse.pde.ds.annotations.prefs
+++ b/plugins/com.minres.scviewer.database.leveldb/.settings/org.eclipse.pde.ds.annotations.prefs
@ -1,5 +0,0 @@
-eclipse.preferences.version=1
-enabled=true
-path=OSGI-INF
-validationErrorLevel=error
-validationErrorLevel.missingImplicitUnbindMethod=error
--- a/plugins/com.minres.scviewer.database.leveldb/META-INF/MANIFEST.MF
+++ b/plugins/com.minres.scviewer.database.leveldb/META-INF/MANIFEST.MF
@ -1,16 +0,0 @@
-Manifest-Version: 1.0
-Bundle-ManifestVersion: 2
-Bundle-Name: Leveldb
-Bundle-SymbolicName: com.minres.scviewer.database.leveldb
-Bundle-Version: 1.0.0.qualifier
-Bundle-Vendor: MINRES Technologies GmbH
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
-Import-Package: org.osgi.framework;version="1.3.0"
-Automatic-Module-Name: com.minres.scviewer.database.leveldb
-Service-Component: OSGI-INF/*.xml
-Require-Bundle: com.minres.scviewer.database;bundle-version="1.0.0",
- org.eclipse.osgi.services;bundle-version="3.4.0"
-Bundle-ActivationPolicy: lazy
-Bundle-ClassPath: leveldb-0.11-SNAPSHOT-uber.jar,
- .,
- json-20180813.jar
--- a/plugins/com.minres.scviewer.database.leveldb/OSGI-INF/component.xml
+++ b/plugins/com.minres.scviewer.database.leveldb/OSGI-INF/component.xml
@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" name="LevelDbLoader">
-   <implementation class="com.minres.scviewer.database.leveldb.LevelDBLoader"/>
-   <service>
-      <provide interface="com.minres.scviewer.database.IWaveformDbLoader"/>
-   </service>
-</scr:component>
--- a/plugins/com.minres.scviewer.database.leveldb/build.properties
+++ b/plugins/com.minres.scviewer.database.leveldb/build.properties
@ -1,7 +0,0 @@
-source.. = src/
-output.. = bin/
-bin.includes = META-INF/,\
-               .,\
-               OSGI-INF/,\
-               leveldb-0.11-SNAPSHOT-uber.jar,\
-               json-20180813.jar
--- a/plugins/com.minres.scviewer.database.leveldb/json-20180813-sources.jar
+++ b/plugins/com.minres.scviewer.database.leveldb/json-20180813-sources.jar
--- a/plugins/com.minres.scviewer.database.leveldb/json-20180813.jar
+++ b/plugins/com.minres.scviewer.database.leveldb/json-20180813.jar
--- a/plugins/com.minres.scviewer.database.leveldb/leveldb-0.11-SNAPSHOT-sources.jar
+++ b/plugins/com.minres.scviewer.database.leveldb/leveldb-0.11-SNAPSHOT-sources.jar
--- a/plugins/com.minres.scviewer.database.leveldb/leveldb-0.11-SNAPSHOT-uber.jar
+++ b/plugins/com.minres.scviewer.database.leveldb/leveldb-0.11-SNAPSHOT-uber.jar
--- a/plugins/com.minres.scviewer.database.leveldb/pom.xml
+++ b/plugins/com.minres.scviewer.database.leveldb/pom.xml
@ -1,13 +0,0 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<artifactId>com.minres.scviewer.database.leveldb</artifactId>
-	<version>1.0.0-SNAPSHOT</version>
-	<parent>
-		<groupId>com.minres.scviewer</groupId>
-		<artifactId>com.minres.scviewer.parent</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
-		<relativePath>../..</relativePath>
-	</parent>
-	<packaging>eclipse-plugin</packaging>
-</project>
--- a/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/LevelDBLoader.java
+++ b/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/LevelDBLoader.java
@ -1,87 +0,0 @@
-package com.minres.scviewer.database.leveldb;
-
-import static java.nio.charset.StandardCharsets.UTF_8;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map.Entry;
-
-import org.iq80.leveldb.Options;
-import org.iq80.leveldb.impl.SeekingIterator;
-import org.json.JSONObject;
-
-import com.minres.scviewer.database.IWaveform;
-import com.minres.scviewer.database.IWaveformDb;
-import com.minres.scviewer.database.IWaveformDbLoader;
-import com.minres.scviewer.database.RelationType;
-
-public class LevelDBLoader implements IWaveformDbLoader {
-
-	static byte[] toByteArray(String value) {
-		return value.getBytes(UTF_8);
-	}
-
-	private TxDBWrapper levelDb;
-	private IWaveformDb db;
-	private Long maxTime=null;
-	private List<RelationType> usedRelationsList = new ArrayList<>();
-	
-	@Override
-	public boolean load(IWaveformDb db, File inp) throws Exception {
-		try {
-			this.db=db;
-			levelDb = new TxDBWrapper(new Options(), inp);
-			JSONObject configVal = new JSONObject(levelDb.get("__config"));
-			if(!configVal.isEmpty())
-				levelDb.setTimeResolution(configVal.getLong("resolution"));
-		} catch(Exception e) {
-			return false;
-		}
-		return true;
-	}
-
-	@Override
-	public Long getMaxTime() {
-		if(maxTime==null) {
-			SeekingIterator<String, String> it = levelDb.iterator();
-			it.seek("st~");
-			Entry<String, String> val = null;
-			while(it.hasNext()) {
-				Entry<String, String>  v = it.next();
-				if(!v.getKey().startsWith("st~")) continue;
-				val=v;
-			}
-			if(val==null) 
-				maxTime = 0L;
-			else {
-				String[] token = val.getKey().split("~");
-				maxTime = Long.parseLong(token[2], 16)*levelDb.getTimeResolution();
-			}
-		}
-		return maxTime;
-	}
-
-	@Override
-	public Collection<IWaveform> getAllWaves() {
-		List<IWaveform> streams=new ArrayList<IWaveform>();
-		SeekingIterator<String, String> it = levelDb.iterator();
-		it.seek("s~");
-		while(it.hasNext()) {
-			Entry<String, String> val = it.next();
-			if(!val.getKey().startsWith("s~")) break;
-			TxStream stream = new TxStream(levelDb, db, new JSONObject(val.getValue()));
-			stream.setRelationTypeList(usedRelationsList);
-			streams.add(stream);
-		}
-		return streams;
-	}
-
-	@Override
-	public Collection<RelationType> getAllRelationTypes() {
-//		return Collections.emptyList();
-		return usedRelationsList;
-	}
-
-}
--- a/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/StringDbIterator.java
+++ b/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/StringDbIterator.java
@ -1,51 +0,0 @@
-package com.minres.scviewer.database.leveldb;
-
-import static java.nio.charset.StandardCharsets.UTF_8;
-import static org.iq80.leveldb.shaded.guava.collect.Maps.immutableEntry;
-
-import java.util.Map.Entry;
-
-import org.iq80.leveldb.DBIterator;
-import org.iq80.leveldb.impl.SeekingIterator;
-
-class StringDbIterator implements SeekingIterator<String, String> {
-	private final DBIterator iterator;
-
-	StringDbIterator(DBIterator iterator) {
-		this.iterator = iterator;
-	}
-
-	@Override
-	public boolean hasNext() {
-		return iterator.hasNext();
-	}
-
-	@Override
-	public void seekToFirst() {
-		iterator.seekToFirst();
-	}
-
-	@Override
-	public void seek(String targetKey) {
-		iterator.seek(targetKey.getBytes(UTF_8));
-	}
-
-	@Override
-	public Entry<String, String> peek() {
-		return adapt(iterator.peekNext());
-	}
-
-	@Override
-	public Entry<String, String> next() {
-		return adapt(iterator.next());
-	}
-
-	@Override
-	public void remove() {
-		throw new UnsupportedOperationException();
-	}
-
-	private Entry<String, String> adapt(Entry<byte[], byte[]> next) {
-		return immutableEntry(new String(next.getKey(), UTF_8), new String(next.getValue(), UTF_8));
-	}
-}
--- a/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/Tx.java
+++ b/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/Tx.java
@ -1,172 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2015 MINRES Technologies GmbH and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     MINRES Technologies GmbH - initial API and implementation
- *******************************************************************************/
-package com.minres.scviewer.database.leveldb;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import org.iq80.leveldb.impl.SeekingIterator;
-import org.json.JSONArray;
-import org.json.JSONException;
-import org.json.JSONObject;
-
-import com.minres.scviewer.database.ITx;
-import com.minres.scviewer.database.ITxAttribute;
-import com.minres.scviewer.database.ITxEvent;
-import com.minres.scviewer.database.ITxGenerator;
-import com.minres.scviewer.database.ITxRelation;
-import com.minres.scviewer.database.ITxStream;
-
-public class Tx implements ITx {
-
-	private TxDBWrapper levelDb;
-	private TxStream trStream;
-	private TxGenerator trGenerator;
-	private long id;
-	private long start_time=0;
-	private long end_time=0;
-	private int concurency_index;
-	private boolean initialized=false;
-	private List<ITxAttribute> attributes;
-	private List<ITxRelation> incoming, outgoing;
-	
-	public Tx(TxDBWrapper levelDb, TxStream trStream, TxGenerator trGenerator, long id) {
-		this.levelDb=levelDb;
-		this.trStream=trStream;
-		this.trGenerator=trGenerator;
-		this.id=id;
-	}
-
-	@Override
-	public Long getId() {
-		return id;
-	}
-
-	@Override
-	public ITxStream<ITxEvent> getStream() {
-		return trStream;
-	}
-
-	@Override
-	public ITxGenerator getGenerator() {
-		return trGenerator;
-	}
-
-	@Override
-	public int getConcurrencyIndex() {
-		if(!initialized) loadFromDb();
-		return concurency_index;
-	}
-
-	@Override
-	public Long getBeginTime() {
-		if(!initialized) loadFromDb();
-		return start_time;
-	}
-
-	@Override
-	public Long getEndTime() {
-		loadFromDb();
-		return end_time;
-	}
-
-	@Override
-	public List<ITxAttribute> getAttributes() {
-		if(attributes==null) {
-			loadFromDb();
-		}
-		return attributes;
-	}
-
-	@Override
-	public Collection<ITxRelation> getIncomingRelations() {
-		if(incoming==null) {
-			incoming = new ArrayList<ITxRelation>();
-			SeekingIterator<String, String> it = levelDb.iterator();
-			String key = "ri~"+String.format("%016x", id);
-			it.seek(key);
-			while(it.hasNext()) {
-				String val = it.next().getKey();
-				if(!val.startsWith(key)) break;;
-				String[] token = val.split("~");
-				long otherId = Long.parseLong(token[2], 16);
-				incoming.add(createRelation(otherId, token[3], false));
-			}
-
-		}
-		return incoming;
-	}
-
-	@Override
-	public Collection<ITxRelation> getOutgoingRelations() {
-		if(outgoing==null) {
-			outgoing = new ArrayList<ITxRelation>();
-			SeekingIterator<String, String> it = levelDb.iterator();
-			String key="ro~"+String.format("%016x", id);
-			it.seek(key);
-			while(it.hasNext()) {
-				String val = it.next().getKey();
-				if(!val.startsWith(key)) break;
-				String[] token = val.split("~");
-				long otherId = Long.parseLong(token[2], 16);
-				outgoing.add(createRelation(otherId, token[3], true));
-			}
-
-		}
-		return outgoing;
-	}
-
-	@Override
-	public int compareTo(ITx o) {
-		int res = this.getBeginTime().compareTo(o.getBeginTime());
-		if(res!=0)	
-			return res;
-		else
-			return this.getId().compareTo(o.getId());
-	}
-
-	@Override
-	public String toString() {
-		return "tx#"+getId()+"["+getBeginTime()/1000000+"ns - "+getEndTime()/1000000+"ns]";
-	}
-	
-	private void loadFromDb() throws JSONException {
-		JSONObject dbVal = new JSONObject(levelDb.get("x~"+ String.format("%016x", id)));
-		start_time=dbVal.getLong("START_TIME") * levelDb.getTimeResolution();
-		end_time=dbVal.getLong("END_TIME") * levelDb.getTimeResolution();
-		concurency_index=dbVal.getInt("conc");
-		attributes=new ArrayList<>();
-		JSONArray arr = dbVal.getJSONArray("attr");
-		arr.forEach(entry -> {
-			TxAttribute attr = new TxAttribute(this, (JSONObject) entry);
-			attributes.add(attr);
-		});
-		initialized=true;
-	}
-
-	private ITxRelation createRelation(long otherId, String name, boolean outgoing) {
-		try {
-			JSONObject otherTxVal = new JSONObject(levelDb.get("x~"+ String.format("%016x", otherId)));
-			if(otherTxVal.isEmpty()) return null;
-			JSONObject otherStreamVal = new JSONObject(levelDb.get("s~"+ String.format("%016x", otherTxVal.getLong("s"))));
-			if(otherStreamVal.isEmpty()) return null;
-			TxStream tgtStream = (TxStream) trStream.getDb().getStreamByName(otherStreamVal.getString("name"));
-			Tx that = (Tx) tgtStream.getTransactions().get(otherId);
-			return outgoing?
-					new TxRelation(trStream.getRelationType(name), this, that):
-						new TxRelation(trStream.getRelationType(name), that, this);
-		} catch (SecurityException | IllegalArgumentException | JSONException e) {
-			e.printStackTrace();
-		}
-		return null;		
-	}
-
-}
--- a/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxAttribute.java
+++ b/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxAttribute.java
@ -1,56 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2015 MINRES Technologies GmbH and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     MINRES Technologies GmbH - initial API and implementation
- *******************************************************************************/
-package com.minres.scviewer.database.leveldb;
-
-import org.json.JSONObject;
-
-import com.minres.scviewer.database.AssociationType;
-import com.minres.scviewer.database.DataType;
-import com.minres.scviewer.database.ITxAttribute;
-
-public class TxAttribute implements ITxAttribute{
-
-	private String name;
-	
-	private DataType dataType;
-	
-	private AssociationType associationType;
-
-	private Object value;
-	
-	public TxAttribute(Tx trTransaction, JSONObject attribute) {
-		this.name=attribute.getString("name");
-		this.dataType=DataType.values()[attribute.getInt("type")];
-		this.associationType=AssociationType.values()[attribute.getInt("assoc")];
-		this.value=attribute.get("value");
-	}
-
-	@Override
-	public String getName() {
-		return name;
-	}
-
-	@Override
-	public DataType getDataType() {
-		return dataType;
-	}
-
-	@Override
-	public AssociationType getType() {
-		return associationType;
-	}
-
-	@Override
-	public Object getValue() {
-		return value;
-	}
-
-}
--- a/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxDBWrapper.java
+++ b/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxDBWrapper.java
@ -1,90 +0,0 @@
-package com.minres.scviewer.database.leveldb;
-
-import static java.nio.charset.StandardCharsets.UTF_8;
-
-import java.io.File;
-import java.io.IOException;
-
-import org.iq80.leveldb.Options;
-import org.iq80.leveldb.Range;
-import org.iq80.leveldb.ReadOptions;
-import org.iq80.leveldb.Snapshot;
-import org.iq80.leveldb.impl.DbImpl;
-import org.iq80.leveldb.impl.SeekingIterator;
-
-class TxDBWrapper {
-	private final Options options;
-	private final ReadOptions ro = new ReadOptions();
-	private final File databaseDir;
-	private DbImpl db;
-	private long timeResolution=1L;;
-
-	TxDBWrapper(Options options, File databaseDir) throws IOException {
-		this.options = options.verifyChecksums(true).createIfMissing(false).errorIfExists(false).cacheSize(64*1024*1024);
-		this.databaseDir = databaseDir;
-		this.db = new DbImpl(options, databaseDir);
-		ro.snapshot(db.getSnapshot());
-	}
-
-	public String get(String key) {
-		byte[] slice = db.get(LevelDBLoader.toByteArray(key));
-		if (slice == null) {
-			return null;
-		}
-		return new String(slice, UTF_8);
-	}
-
-	public String get(String key, Snapshot snapshot) {
-		byte[] slice = db.get(LevelDBLoader.toByteArray(key), ro);
-		return slice == null? null : new String(slice, UTF_8);
-	}
-
-	public void put(String key, String value) {
-		db.put(LevelDBLoader.toByteArray(key), LevelDBLoader.toByteArray(value));
-	}
-
-	public void delete(String key) {
-		db.delete(LevelDBLoader.toByteArray(key));
-	}
-
-	public SeekingIterator<String, String> iterator() {
-		return new StringDbIterator(db.iterator());
-	}
-
-	public Snapshot getSnapshot() {
-		return db.getSnapshot();
-	}
-
-	public void close() {
-		try {
-			ro.snapshot().close();
-			db.close();
-		} catch (IOException e) {} // ignore any error
-	}
-
-	public long size(String start, String limit) {
-		return db.getApproximateSizes(new Range(LevelDBLoader.toByteArray(start), LevelDBLoader.toByteArray(limit)));
-	}
-
-	public long getMaxNextLevelOverlappingBytes() {
-		return db.getMaxNextLevelOverlappingBytes();
-	}
-
-	public void reopen() throws IOException {
-		reopen(options);
-	}
-
-	public void reopen(Options options) throws IOException {
-		this.close();
-		db = new DbImpl(options.verifyChecksums(true).createIfMissing(false).errorIfExists(false), databaseDir);
-		ro.snapshot(db.getSnapshot());
-	}
-	
-	public long getTimeResolution() {
-		return timeResolution;
-	}
-	
-	public void setTimeResolution(long resolution) {
-		this.timeResolution = resolution;
-	}
-}
--- a/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxEvent.java
+++ b/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxEvent.java
@ -1,57 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2015 MINRES Technologies GmbH and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     MINRES Technologies GmbH - initial API and implementation
- *******************************************************************************/
-package com.minres.scviewer.database.leveldb;
-
-import com.minres.scviewer.database.ITx;
-import com.minres.scviewer.database.ITxEvent;
-import com.minres.scviewer.database.IWaveformEvent;
-
-public class TxEvent implements ITxEvent {
-
-	private final Type type;
-	private ITx tx;
-	
-	public TxEvent(Type type, ITx tx) {
-		super();
-		this.type = type;
-		this.tx = tx;
-	}
-
-	@Override
-	public Long getTime() {
-		return type==Type.BEGIN?tx.getBeginTime():tx.getEndTime();
-	}
-
-	@Override
-	public IWaveformEvent duplicate() throws CloneNotSupportedException {
-		return new TxEvent(type, tx);
-	}
-
-	@Override
-	public int compareTo(IWaveformEvent o) {
-		return getTime().compareTo(o.getTime());
-	}
-
-	@Override
-	public ITx getTransaction() {
-		return tx;
-	}
-
-	@Override
-	public Type getType() {
-		return type;
-	}
-
-	@Override
-	public String toString() {
-		return type.toString()+"@"+getTime()+" of tx #"+tx.getId();
-	}
-}
--- a/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxGenerator.java
+++ b/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxGenerator.java
@ -1,56 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2015 MINRES Technologies GmbH and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     MINRES Technologies GmbH - initial API and implementation
- *******************************************************************************/
-package com.minres.scviewer.database.leveldb;
-
-import java.util.List;
-
-import org.json.JSONObject;
-
-import com.minres.scviewer.database.ITx;
-import com.minres.scviewer.database.ITxEvent;
-import com.minres.scviewer.database.ITxGenerator;
-import com.minres.scviewer.database.ITxStream;
-
-public class TxGenerator implements ITxGenerator {
-
-	private ITxStream<ITxEvent>  stream;
-	
-	private long id;
-	
-	private String name;
-
-	public TxGenerator(ITxStream<ITxEvent>  stream, JSONObject object) {
-		this.stream=stream;
-		this.id=object.getLong("id");
-		this.name=object.getString("name");
-	}
-
-	@Override
-	public Long getId() {
-		return id;
-	}
-
-	@Override
-	public ITxStream<ITxEvent> getStream() {
-		return stream;
-	}
-
-	@Override
-	public String getName() {
-		return name;
-	}
-
-	@Override
-	public List<ITx> getTransactions() {
-		return null;
-	}
-
-}
--- a/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxRelation.java
+++ b/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxRelation.java
@ -1,43 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2015 MINRES Technologies GmbH and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     MINRES Technologies GmbH - initial API and implementation
- *******************************************************************************/
-package com.minres.scviewer.database.leveldb;
-
-import com.minres.scviewer.database.ITxRelation;
-import com.minres.scviewer.database.ITx;
-import com.minres.scviewer.database.RelationType;
-
-public class TxRelation implements ITxRelation {
-
-	RelationType relationType;
-	Tx source, target;
-
-	public TxRelation(RelationType relationType, Tx source, Tx target) {
-		this.source = source;
-		this.target = target;
-		this.relationType = relationType;
-	}
-
-	@Override
-	public RelationType getRelationType() {
-		return relationType;
-	}
-
-	@Override
-	public ITx getSource() {
-		return source;
-	}
-
-	@Override
-	public ITx getTarget() {
-		return target;
-	}
-
-}
--- a/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxStream.java
+++ b/plugins/com.minres.scviewer.database.leveldb/src/com/minres/scviewer/database/leveldb/TxStream.java
@ -1,178 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2015 MINRES Technologies GmbH and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     MINRES Technologies GmbH - initial API and implementation
- *******************************************************************************/
-package com.minres.scviewer.database.leveldb;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-
-import org.iq80.leveldb.impl.SeekingIterator;
-import org.json.JSONObject;
-
-import java.util.NavigableMap;
-import java.util.TreeMap;
-import java.util.Vector;
-
-import com.minres.scviewer.database.HierNode;
-import com.minres.scviewer.database.ITx;
-import com.minres.scviewer.database.ITxEvent;
-import com.minres.scviewer.database.ITxGenerator;
-import com.minres.scviewer.database.ITxStream;
-import com.minres.scviewer.database.IWaveform;
-import com.minres.scviewer.database.IWaveformDb;
-import com.minres.scviewer.database.RelationType;
-
-public class TxStream extends HierNode implements ITxStream<ITxEvent> {
-
-	private TxDBWrapper levelDb;
-
-	private String fullName;
-	
-	private String kind;
-
-	private IWaveformDb db;
-		
-	private long id;
-	
-	private TreeMap<Long, TxGenerator> generators;
-	
-	private TreeMap<Long, ITx> transactions;
-	
-	private Integer maxConcurrency;
-	
-	private TreeMap<Long, List<ITxEvent>> events;
-
-	private List<RelationType> usedRelationsList;
-	
-	public TxStream(TxDBWrapper database, IWaveformDb waveformDb, JSONObject object) {
-		super(object.get("name").toString());
-		this.levelDb=database;
-		this.db=waveformDb;
-		this.fullName=object.getString("name");
-		this.kind=object.getString("kind");
-		this.id = object.getLong("id");
-	}
-
-	@Override
-	public IWaveformDb getDb() {
-		return db;
-	}
-
-	@Override
-	public String getFullName() {
-		return fullName;
-	}
-
-	@Override
-	public Long getId() {
-		return id;
-	}
-
-	@Override
-	public String getKind() {
-		return kind;
-	}
-
-	@Override
-	public List<ITxGenerator> getGenerators() {
-		if(generators==null){
-			generators=new TreeMap<Long, TxGenerator>();
-			SeekingIterator<String, String> it = levelDb.iterator();
-			String key="sg~"+String.format("%016x", id);
-			it.seek(key);
-			while(it.hasNext()) {
-				Entry<String, String> val = it.next();
-				if(!val.getKey().startsWith(key)) break;
-				JSONObject jVal = new JSONObject(val.getValue());
-				generators.put(jVal.getLong("id"), new TxGenerator(this, jVal));
-			}
-		}
-		return new ArrayList<ITxGenerator>(generators.values());
-	}
-
-	@Override
-	public int getMaxConcurrency() {
-		if(maxConcurrency==null){
-				getTransactions();
-		}
-		return maxConcurrency;
-	}
-
-	@Override
-	public  NavigableMap<Long, List<ITxEvent>> getEvents(){
-		if(events==null){
-			events=new TreeMap<Long, List<ITxEvent>>();
-			for(Entry<Long, ITx> entry:getTransactions().entrySet()){
-				ITx tx = entry.getValue();
-				putEvent(new TxEvent(TxEvent.Type.BEGIN, tx));
-				putEvent(new TxEvent(TxEvent.Type.END, tx));
-			}	
-		}
-		return events;
-	}
-
-	private void putEvent(TxEvent ev){
-		Long time = ev.getTime();
-		if(!events.containsKey(time)){
-			Vector<ITxEvent> vector=new Vector<ITxEvent>();
-			vector.add(ev);
-			events.put(time,  vector);
-		} else {
-			events.get(time).add(ev);
-		}
-	}
-
-	protected Map<Long, ITx> getTransactions() {
-		if(transactions==null){
-			if(generators==null) getGenerators();
-			transactions = new TreeMap<Long, ITx>();
-			maxConcurrency=0;
-			SeekingIterator<String, String> it = levelDb.iterator();
-			String key = "sgx~"+String.format("%016x", id);
-			it.seek(key);
-			while(it.hasNext()) {
-				Entry<String, String> val = it.next();
-				if(!val.getKey().startsWith(key)) break;
-				String[] token = val.getKey().split("~");
-				long gid = Long.parseLong(token[2], 16); // gen id
-				long id = Long.parseLong(token[3], 16); // tx id
-				ITx tx = new Tx(levelDb, this, generators.get(gid), id);
-				transactions.put(id, tx);
-				maxConcurrency= Math.max(maxConcurrency, tx.getConcurrencyIndex());
-			}
-			maxConcurrency++;
-		}
-		return transactions;
-	}
-
-	@Override
-	public Collection<ITxEvent> getWaveformEventsAtTime(Long time) {
-		return getEvents().get(time);
-	}
-
-	public void setRelationTypeList(List<RelationType> usedRelationsList){
-		this.usedRelationsList=usedRelationsList;
-	}
-	
-	public RelationType getRelationType(String name) {
-		RelationType relType=RelationType.create(name);
-		if(!usedRelationsList.contains(relType)) usedRelationsList.add(relType);
-		return relType;
-	}
-
-	@Override
-	public Boolean equals(IWaveform other) {
-		return(other instanceof TxStream && this.getId()==other.getId());
-	}
-
-}
--- a/plugins/com.minres.scviewer.database.sqlite/.classpath
+++ b/plugins/com.minres.scviewer.database.sqlite/.classpath
@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry exported="true" kind="lib" path="sqlite-jdbc-3.8.7.jar"/>
--- a/plugins/com.minres.scviewer.database.sqlite/.settings/org.eclipse.jdt.core.prefs
+++ b/plugins/com.minres.scviewer.database.sqlite/.settings/org.eclipse.jdt.core.prefs
@ -1,8 +1,10 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
--- a/plugins/com.minres.scviewer.database.sqlite/META-INF/MANIFEST.MF
+++ b/plugins/com.minres.scviewer.database.sqlite/META-INF/MANIFEST.MF
@ -4,7 +4,7 @@ Bundle-Name: SQLite transaction database
 Bundle-SymbolicName: com.minres.scviewer.database.sqlite
 Bundle-Version: 1.1.0.qualifier
 Bundle-Vendor: MINRES Technologies GmbH
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Require-Bundle: com.minres.scviewer.database;bundle-version="1.0.0"
 Bundle-ClassPath: .,sqlite-jdbc-3.8.7.jar
 Service-Component: OSGI-INF/component.xml
--- a/plugins/com.minres.scviewer.database.sqlite/pom.xml
+++ b/plugins/com.minres.scviewer.database.sqlite/pom.xml
@ -4,7 +4,7 @@
  <parent>
  	<groupId>com.minres.scviewer</groupId>
  	<artifactId>com.minres.scviewer.parent</artifactId>
-  	<version>2.11.0</version>
+  	<version>2.12.1</version>
 	<relativePath>../..</relativePath>
  </parent>
  <packaging>eclipse-plugin</packaging>
--- a/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/AbstractTxStream.java
+++ b/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/AbstractTxStream.java
@ -39,14 +39,14 @@ abstract class AbstractTxStream extends HierNode implements IWaveform {

 	private List<RelationType> usedRelationsList;

-	public AbstractTxStream(IDatabase database, String name, long streamId) {
+	protected AbstractTxStream(IDatabase database, String name, long streamId) {
 		super(name);
 		this.database=database;
 		this.streamId=streamId;
 	}

 	@Override
-	public int getWidth() {
+	public int getRowCount() {
 		if(maxConcurrency==null){
 			StringBuilder sb = new StringBuilder();
 			sb.append("SELECT MAX(concurrencyLevel) as concurrencyLevel FROM ScvTx where stream=");
@ -126,4 +126,11 @@ abstract class AbstractTxStream extends HierNode implements IWaveform {
 		return WaveformType.TRANSACTION;
 	}

+	/**
+	 * Calculate concurrency.
+	 */
+	public void calculateConcurrency() {
+	}
+
+
 }
--- a/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/SQLiteDbLoader.java
+++ b/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/SQLiteDbLoader.java
@ -56,7 +56,7 @@ public class SQLiteDbLoader implements IWaveformDbLoader {
 			if(!event.isEmpty())
 				return event.get(0).getTime()*scvSimProps.getTime_resolution();
 		} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-				| InvocationTargetException | SQLException | IntrospectionException e) {
+				| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 			e.printStackTrace();
 		}
 		return 0L;
@ -73,7 +73,7 @@ public class SQLiteDbLoader implements IWaveformDbLoader {
 				streams.add(stream);
 			}
 		} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-				| InvocationTargetException | SQLException | IntrospectionException e) {
+				| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 		}
 		return streams;
 	}
@ -99,7 +99,6 @@ public class SQLiteDbLoader implements IWaveformDbLoader {

 	@Override
 	public void load(IWaveformDb db, File file) throws InputFormatException {
-		dispose();
 		database=new SQLiteDatabase(file.getAbsolutePath(), db);
 		database.setData("TIMERESOLUTION", 1L);
 		SQLiteDatabaseSelectHandler<ScvSimProps> handler = new SQLiteDatabaseSelectHandler<>(ScvSimProps.class, database);
@ -110,7 +109,7 @@ public class SQLiteDbLoader implements IWaveformDbLoader {
 			}
 			pcs.firePropertyChange(IWaveformDbLoader.LOADING_FINISHED, null, null);
 		} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-				| InvocationTargetException | SQLException | IntrospectionException e) {
+				| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 			throw new InputFormatException(e.toString());
 		}
 	}
--- a/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/Tx.java
+++ b/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/Tx.java
@ -28,7 +28,6 @@ import com.minres.scviewer.database.sqlite.tables.ScvTxEvent;
 import com.minres.scviewer.database.sqlite.tables.ScvTxRelation;
 import com.minres.scviewer.database.tx.ITx;
 import com.minres.scviewer.database.tx.ITxAttribute;
-import com.minres.scviewer.database.tx.ITxGenerator;
 import com.minres.scviewer.database.tx.ITxRelation;

 public class Tx implements ITx {
@ -61,12 +60,11 @@ public class Tx implements ITx {
 	}

 	@Override
-	public ITxGenerator getGenerator() {
+	public IWaveform getGenerator() {
 		return trGenerator;
 	}

-	@Override
-	public int getConcurrencyIndex() {
+	int getConcurrencyIndex() {
 		return scvTx.getConcurrencyLevel();
 	}

@ -80,7 +78,7 @@ public class Tx implements ITx {
 				begin= scvEvent.getTime()*(Long)database.getData("TIMERESOLUTION");
 			}
 		} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-				| InvocationTargetException | SQLException | IntrospectionException e) {
+				| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 		}
 		}
 		return begin;
@ -96,7 +94,7 @@ public class Tx implements ITx {
 				end = scvEvent.getTime()*(Long)database.getData("TIMERESOLUTION");
 			}
 		} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-				| InvocationTargetException | SQLException | IntrospectionException e) {
+				| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 		}
 		}
 		return end;
@ -114,7 +112,7 @@ public class Tx implements ITx {
 					
 				}
 			} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-					| InvocationTargetException | SQLException | IntrospectionException e) {
+					| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 			}
 		}
 		return attributes;
@ -131,7 +129,7 @@ public class Tx implements ITx {
 					incoming.add(createRelation(scvRelation, false));
 				}
 			} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-					| InvocationTargetException | SQLException | IntrospectionException e) {
+					| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 			}
 		}
 		return incoming;
@ -148,7 +146,7 @@ public class Tx implements ITx {
 					outgoing.add(createRelation(scvRelation, true));
 				}
 			} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-					| InvocationTargetException | SQLException | IntrospectionException e) {
+					| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 			}
 		}
 		return outgoing;
@ -171,7 +169,7 @@ public class Tx implements ITx {
 			else
 				return new TxRelation(trStream.getRelationType(rel.getName()), that, this);
 		} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-				| InvocationTargetException | SQLException | IntrospectionException e) {
+				| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 			e.printStackTrace();
 		}

--- a/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxEvent.java
+++ b/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxEvent.java
@ -56,4 +56,10 @@ public class TxEvent implements ITxEvent {
 	public WaveformType getType() {
 		return WaveformType.TRANSACTION;
 	}
+
+	@Override
+	public int getRowIndex() {
+		return ((Tx)tx).getConcurrencyIndex();
+	}
+
 }
--- a/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxGenerator.java
+++ b/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxGenerator.java
@ -22,9 +22,8 @@ import com.minres.scviewer.database.sqlite.db.SQLiteDatabaseSelectHandler;
 import com.minres.scviewer.database.sqlite.tables.ScvGenerator;
 import com.minres.scviewer.database.sqlite.tables.ScvTx;
 import com.minres.scviewer.database.tx.ITx;
-import com.minres.scviewer.database.tx.ITxGenerator;

-public class TxGenerator extends AbstractTxStream implements ITxGenerator {
+public class TxGenerator extends AbstractTxStream {

 	private TxStream  stream;
 	
@ -44,11 +43,6 @@ public class TxGenerator extends AbstractTxStream implements ITxGenerator {
 		return (long) scvGenerator.getId();
 	}

-	@Override
-	public IWaveform getStream() {
-		return stream;
-	}
-
 	@Override
 	public String getName() {
 		return scvGenerator.getName();
@ -75,7 +69,7 @@ public class TxGenerator extends AbstractTxStream implements ITxGenerator {
 					transactions.put(scvTx.getId(), new Tx(database, (TxStream) stream, this, scvTx));
 				}
 			} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-					| InvocationTargetException | SQLException | IntrospectionException e) {
+					| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 				e.printStackTrace();
 			}
 		}
--- a/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxStream.java
+++ b/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxStream.java
@ -26,7 +26,6 @@ import com.minres.scviewer.database.sqlite.tables.ScvGenerator;
 import com.minres.scviewer.database.sqlite.tables.ScvStream;
 import com.minres.scviewer.database.sqlite.tables.ScvTx;
 import com.minres.scviewer.database.tx.ITx;
-import com.minres.scviewer.database.tx.ITxGenerator;

 public class TxStream extends AbstractTxStream {

@ -54,7 +53,7 @@ public class TxStream extends AbstractTxStream {
 		return (long) scvStream.getId();
 	}

-	public List<ITxGenerator> getGenerators() {
+	public List<IWaveform> getGenerators() {
 		if(generators==null){
 			SQLiteDatabaseSelectHandler<ScvGenerator> handler = new SQLiteDatabaseSelectHandler<>(
 					ScvGenerator.class, database, "stream="+scvStream.getId());
@ -64,7 +63,7 @@ public class TxStream extends AbstractTxStream {
 					generators.put(scvGenerator.getId(), new TxGenerator(database, this, scvGenerator));
 				}
 			} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-					| InvocationTargetException | SQLException | IntrospectionException e) {
+					| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 				e.printStackTrace();
 			}
 		}
@ -82,7 +81,7 @@ public class TxStream extends AbstractTxStream {
 					transactions.put(scvTx.getId(), new Tx(database, this, generators.get(scvTx.getGenerator()), scvTx));
 				}
 			} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
-					| InvocationTargetException | SQLException | IntrospectionException e) {
+					| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
 				e.printStackTrace();
 			}
 		}
--- a/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/db/SQLiteDatabaseSelectHandler.java
+++ b/plugins/com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/db/SQLiteDatabaseSelectHandler.java
@ -75,10 +75,11 @@ public class SQLiteDatabaseSelectHandler<T> extends AbstractDatabaseHandler<T> {
 	 * @throws IllegalAccessException
 	 * @throws IntrospectionException
 	 * @throws InvocationTargetException
+	 * @throws NoSuchMethodException 
 	 */
 	public synchronized List<T> selectObjects() throws SQLException,
 			InstantiationException, IllegalAccessException,
-			IntrospectionException, InvocationTargetException {
+			IntrospectionException, InvocationTargetException, IllegalArgumentException, NoSuchMethodException, SecurityException {

 		Connection connection = null;
 		Statement statement = null;
@ -113,17 +114,18 @@ public class SQLiteDatabaseSelectHandler<T> extends AbstractDatabaseHandler<T> {
 	 * @throws IllegalAccessException
 	 * @throws IntrospectionException
 	 * @throws InvocationTargetException
+	 * @throws NoSuchMethodException 
 	 */
 	private List<T> createObjects(ResultSet resultSet)
 			throws SQLException, InstantiationException,
 			IllegalAccessException, IntrospectionException,
-			InvocationTargetException {
+			InvocationTargetException, IllegalArgumentException, NoSuchMethodException, SecurityException {

 		List<T> list = new ArrayList<>();

 		while (resultSet.next()) {

-			T instance = type.newInstance();
+			T instance = type.getDeclaredConstructor().newInstance();

 			for (Field field : type.getDeclaredFields()) {

--- a/plugins/com.minres.scviewer.database.text/.classpath
+++ b/plugins/com.minres.scviewer.database.text/.classpath
@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry exported="true" kind="lib" path="lib/mapdb-3.0.7.jar" sourcepath="lib/mapdb-3.0.7-sources.jar">
 		<attributes>
--- a/plugins/com.minres.scviewer.database.text/.settings/org.eclipse.jdt.core.prefs
+++ b/plugins/com.minres.scviewer.database.text/.settings/org.eclipse.jdt.core.prefs
@ -1,9 +1,11 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
-org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
--- a/plugins/com.minres.scviewer.database.text/META-INF/MANIFEST.MF
+++ b/plugins/com.minres.scviewer.database.text/META-INF/MANIFEST.MF
@ -4,7 +4,7 @@ Bundle-Name: Textual transaction database
 Bundle-SymbolicName: com.minres.scviewer.database.text
 Bundle-Version: 3.0.0.qualifier
 Bundle-Vendor: MINRES Technologies GmbH
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.osgi.framework;version="1.3.0"
 Require-Bundle: com.minres.scviewer.database,
 org.eclipse.osgi.services;bundle-version="3.4.0",
--- a/plugins/com.minres.scviewer.database.text/pom.xml
+++ b/plugins/com.minres.scviewer.database.text/pom.xml
@ -6,40 +6,9 @@
 	<parent>
 		<groupId>com.minres.scviewer</groupId>
 		<artifactId>com.minres.scviewer.parent</artifactId>
-		<version>2.11.0</version>
+		<version>2.12.1</version>
 		<relativePath>../..</relativePath>
 	</parent>
 	<packaging>eclipse-plugin</packaging>
 	
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.eclipse.tycho</groupId>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.8.0</version>
-				<configuration>
-					<compilerId>groovy-eclipse-compiler</compilerId>
-			        <compilerArguments>
-			            <indy/><!-- optional; supported by batch 2.4.12-04+ -->
-			        </compilerArguments>
-					<!-- set verbose to be true if you want lots of uninteresting messages -->
-					<!-- <verbose>true</verbose> -->
-					<source>1.8</source>
-					<target>1.8</target>
-				</configuration>
-				<dependencies>
-					<dependency>
-						<groupId>org.codehaus.groovy</groupId>
-						<artifactId>groovy-eclipse-compiler</artifactId>
-						<version>${groovy-eclipse-compiler-version}</version>
-					</dependency>
-					<dependency>
-						<groupId>org.codehaus.groovy</groupId>
-						<artifactId>groovy-eclipse-batch</artifactId>
-						<version>${groovy-eclipse-batch-version}</version>
-					</dependency>
-				</dependencies>
-			</plugin>
-		</plugins>
-	</build>
 </project>
--- a/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/AbstractTxStream.java
+++ b/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/AbstractTxStream.java
@ -13,15 +13,16 @@ package com.minres.scviewer.database.text;

 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.Map.Entry;
 import java.util.NavigableMap;
 import java.util.TreeMap;

-import com.minres.scviewer.database.EventKind;
 import com.minres.scviewer.database.HierNode;
 import com.minres.scviewer.database.IEvent;
 import com.minres.scviewer.database.IWaveform;
 import com.minres.scviewer.database.WaveformType;
+import com.minres.scviewer.database.tx.ITx;
 import com.minres.scviewer.database.tx.ITxEvent;

 /**
@ -38,8 +39,8 @@ abstract class AbstractTxStream extends HierNode implements IWaveform {
 	/** The events. */
 	TreeMap<Long, IEvent[]> events = new TreeMap<>();

-	/** The concurrency calculated. */
-	boolean concurrencyCalculated = false;
+	/** The max concurrency. */
+	private int rowCount = -1;

 	/**
 	 * Instantiates a new abstract tx stream.
@ -48,7 +49,7 @@ abstract class AbstractTxStream extends HierNode implements IWaveform {
 	 * @param id     the id
 	 * @param name   the name
 	 */
-	public AbstractTxStream(TextDbLoader loader, Long id, String name) {
+	protected AbstractTxStream(TextDbLoader loader, Long id, String name) {
 		super(name);
 		this.loader = loader;
 		this.id = id;
@ -77,8 +78,6 @@ abstract class AbstractTxStream extends HierNode implements IWaveform {
 	 */
 	@Override
 	public NavigableMap<Long, IEvent[]> getEvents() {
-		if (!concurrencyCalculated)
-			calculateConcurrency();
 		return events;
 	}

@ -90,8 +89,6 @@ abstract class AbstractTxStream extends HierNode implements IWaveform {
 	 */
 	@Override
 	public IEvent[] getEventsAtTime(Long time) {
-		if (!concurrencyCalculated)
-			calculateConcurrency();
 		return events.get(time);
 	}

@ -103,8 +100,6 @@ abstract class AbstractTxStream extends HierNode implements IWaveform {
 	 */
 	@Override
 	public IEvent[] getEventsBeforeTime(Long time) {
-		if (!concurrencyCalculated)
-			calculateConcurrency();
 		Entry<Long, IEvent[]> e = events.floorEntry(time);
 		if (e == null)
 			return new IEvent[] {};
@ -132,28 +127,59 @@ abstract class AbstractTxStream extends HierNode implements IWaveform {
 		return id;
 	}

+	/**
+	 * Gets the width.
+	 *
+	 * @return the width
+	 */
+	@Override
+	public int getRowCount() {
+		if (rowCount<0)
+			calculateConcurrency();
+		return rowCount;
+	}
+
 	/**
 	 * Calculate concurrency.
 	 */
-	synchronized void calculateConcurrency() {
-		if (concurrencyCalculated)
+	void calculateConcurrency() {
+		if (rowCount>=0)
 			return;
-		ArrayList<Long> rowendtime = new ArrayList<>();
-		events.entrySet().stream().forEach(entry -> {
-			IEvent[] values = entry.getValue();
-			Arrays.asList(values).stream().filter(e -> e.getKind() == EventKind.BEGIN).forEach(evt -> {
-				Tx tx = (Tx) ((TxEvent) evt).getTransaction();
+		ArrayList<Long> rowEndTime = new ArrayList<>();
+		HashMap<Long, Integer> rowByTxId = new HashMap<>();
+		for(Entry<Long, IEvent[]> entry: events.entrySet()) {
+			for(IEvent evt:entry.getValue()) {
+				TxEvent txEvt = (TxEvent) evt;
+				ITx tx = txEvt.getTransaction();
 				int rowIdx = 0;
-				for (; rowIdx < rowendtime.size() && rowendtime.get(rowIdx) > tx.getBeginTime(); rowIdx++)
-					;
-				if (rowendtime.size() <= rowIdx)
-					rowendtime.add(tx.getEndTime());
-				else
-					rowendtime.set(rowIdx, tx.getEndTime());
-				tx.setConcurrencyIndex(rowIdx);
-			});
-		});
-		concurrencyCalculated = true;
+				switch(evt.getKind()) {
+				case END:
+					Long txId = txEvt.getTransaction().getId();
+					txEvt.setConcurrencyIndex(rowByTxId.get(txId));
+					rowByTxId.remove(txId);
+					break;
+				case SINGLE:
+					for (; rowIdx < rowEndTime.size() && rowEndTime.get(rowIdx)>tx.getBeginTime(); rowIdx++);
+					if (rowEndTime.size() <= rowIdx)
+						rowEndTime.add(tx.getEndTime());
+					else
+						rowEndTime.set(rowIdx, tx.getEndTime());
+					((TxEvent) evt).setConcurrencyIndex(rowIdx);
+					break;
+				case BEGIN:
+					for (; rowIdx < rowEndTime.size() && rowEndTime.get(rowIdx)>tx.getBeginTime(); rowIdx++);
+					if (rowEndTime.size() <= rowIdx)
+						rowEndTime.add(tx.getEndTime());
+					else
+						rowEndTime.set(rowIdx, tx.getEndTime());
+					((TxEvent) evt).setConcurrencyIndex(rowIdx);
+					rowByTxId.put(tx.getId(), rowIdx);
+					break;
+				}
+			}
+		}
+		rowCount=rowEndTime.size()>0?rowEndTime.size():1;
+		getChildNodes().parallelStream().forEach(c -> ((TxGenerator)c).calculateConcurrency());
 	}

 }
--- a/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TextDbLoader.java
+++ b/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TextDbLoader.java
@ -28,14 +28,15 @@ import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.zip.GZIPInputStream;

 import org.eclipse.collections.impl.map.mutable.UnifiedMap;
 import org.mapdb.DB;
-import org.mapdb.DB.TreeMapSink;
 import org.mapdb.DBMaker;
+import org.mapdb.HTreeMap;
 import org.mapdb.Serializer;

 import com.google.common.collect.HashMultimap;
@ -55,6 +56,13 @@ import com.minres.scviewer.database.tx.ITx;
 */
 public class TextDbLoader implements IWaveformDbLoader {

+	/** the file size limit of a zipped txlog where the loader starts to use a file mapped database */
+	private static final long MEMMAP_LIMIT=256l*1024l*1024l;
+	
+	private static final long MAPDB_INITIAL_ALLOC = 512l*1024l*1024l;
+	
+	private static final long MAPDB_INCREMENTAL_ALLOC = 128l*1024l*1024l;
+	
 	/** The max time. */
 	private Long maxTime = 0L;

@ -76,8 +84,6 @@ public class TextDbLoader implements IWaveformDbLoader {
 	/** The transactions. */
 	Map<Long, ScvTx> transactions = null;

-	Map<Long, Long> id2index = new HashMap<>();
-	
 	/** The attribute types. */
 	final Map<String, TxAttributeType> attributeTypes = UnifiedMap.newMap();

@ -99,6 +105,26 @@ public class TextDbLoader implements IWaveformDbLoader {
 	/** The Constant x. */
 	static final byte[] x = "scv_tr_stream".getBytes();

+	/**
+	 * Adds the property change listener.
+	 *
+	 * @param l the l
+	 */
+	@Override
+	public void addPropertyChangeListener(PropertyChangeListener l) {
+		pcs.addPropertyChangeListener(l);
+	}
+
+	/**
+	 * Removes the property change listener.
+	 *
+	 * @param l the l
+	 */
+	@Override
+	public void removePropertyChangeListener(PropertyChangeListener l) {
+		pcs.removePropertyChangeListener(l);
+	}
+
 	/**
 	 * Gets the max time.
 	 *
@ -109,8 +135,29 @@ public class TextDbLoader implements IWaveformDbLoader {
 		return maxTime;
 	}

+	/**
+	 * Gets the transaction.
+	 *
+	 * @param txId the tx id
+	 * @return the transaction
+	 */
+	public ITx getTransaction(long txId) {
+		if (txCache.containsKey(txId))
+			return txCache.get(txId);
+		if(transactions.containsKey(txId)) {
+			Tx tx = new Tx(this, transactions.get(txId));
+			txCache.put(txId, tx);
+			return tx;
+		} else {
+			throw new IllegalArgumentException();
+		}
+	}
+
 	public ScvTx getScvTx(long id) {
-		return transactions.get(id2index.get(id));
+		if(transactions.containsKey(id))
+			return transactions.get(id);
+		else
+			throw new IllegalArgumentException();
 	}

 	/**
@ -123,6 +170,15 @@ public class TextDbLoader implements IWaveformDbLoader {
 		return new ArrayList<>(txStreams.values());
 	}

+	/**
+	 * Gets the all relation types.
+	 *
+	 * @return the all relation types
+	 */
+	public Collection<RelationType> getAllRelationTypes() {
+		return relationTypes.values();
+	}
+
 	/**
 	 * Can load.
 	 *
@ -149,6 +205,22 @@ public class TextDbLoader implements IWaveformDbLoader {
 		return false;
 	}

+	/**
+	 * Checks if is gzipped.
+	 *
+	 * @param f the f
+	 * @return true, if is gzipped
+	 */
+	private static boolean isGzipped(File f) {
+		try (InputStream is = new FileInputStream(f)) {
+			byte[] signature = new byte[2];
+			int nread = is.read(signature); // read the gzip signature
+			return nread == 2 && signature[0] == (byte) 0x1f && signature[1] == (byte) 0x8b;
+		} catch (IOException e) {
+			return false;
+		}
+	}
+
 	/**
 	 * Load.
 	 *
@ -162,10 +234,9 @@ public class TextDbLoader implements IWaveformDbLoader {
 	public void load(IWaveformDb db, File file) throws InputFormatException {
 		dispose();
 		boolean gzipped = isGzipped(file);
-		if (file.length() < 75000000 * (gzipped ? 1 : 10)
+		if (file.length() < MEMMAP_LIMIT * (gzipped ? 1 : 10)
 				|| "memory".equals(System.getProperty("ScvBackingDB", "file")))
-			mapDb = DBMaker.memoryDirectDB().allocateStartSize(512l * 1024l * 1024l)
-					.allocateIncrement(128l * 1024l * 1024l).cleanerHackEnable().make();
+			mapDb = DBMaker.memoryDirectDB().make();
 		else {
 			File mapDbFile;
 			try {
@ -175,32 +246,21 @@ public class TextDbLoader implements IWaveformDbLoader {
 				throw new InputFormatException(e.toString());
 			}
 			mapDb = DBMaker.fileDB(mapDbFile).fileMmapEnable() // Always enable mmap
-					.fileMmapEnableIfSupported().fileMmapPreclearDisable().allocateStartSize(512l * 1024l * 1024l)
-					.allocateIncrement(128l * 1024l * 1024l).cleanerHackEnable().make();
+					.fileMmapPreclearDisable().allocateStartSize(MAPDB_INITIAL_ALLOC)
+					.allocateIncrement(MAPDB_INCREMENTAL_ALLOC).cleanerHackEnable().make();
 			mapDbFile.deleteOnExit();
 		}
 		TextDbParser parser = new TextDbParser(this);
 		try {
-			parser.txSink = mapDb.treeMap("transactions", Serializer.LONG, Serializer.JAVA).createFromSink();
+			
+			parser.txSink = mapDb.hashMap("transactions", Serializer.LONG, Serializer.JAVA).create();
 			parser.parseInput(gzipped ? new GZIPInputStream(new FileInputStream(file)) : new FileInputStream(file));
-			transactions = parser.txSink.create();
+			transactions = parser.txSink;
 		} catch (IllegalArgumentException | ArrayIndexOutOfBoundsException e) {
 		} catch (Exception e) {
 			throw new InputFormatException(e.toString());
 		}
-		for (TxStream stream : txStreams.values()) {
-			Thread t = new Thread() {
-				@Override
-				public void run() {
-					try {
-						stream.calculateConcurrency();
-					} catch (Exception e) {
-						/* don't let exceptions bubble up */ }
-				}
-			};
-			threads.add(t);
-			t.start();
-		}
+		txStreams.values().parallelStream().forEach(TxStream::calculateConcurrency);
 	}

 	/**
@ -222,31 +282,6 @@ public class TextDbLoader implements IWaveformDbLoader {
 		}
 	}

-	/**
-	 * Checks if is gzipped.
-	 *
-	 * @param f the f
-	 * @return true, if is gzipped
-	 */
-	private static boolean isGzipped(File f) {
-		try (InputStream is = new FileInputStream(f)) {
-			byte[] signature = new byte[2];
-			int nread = is.read(signature); // read the gzip signature
-			return nread == 2 && signature[0] == (byte) 0x1f && signature[1] == (byte) 0x8b;
-		} catch (IOException e) {
-			return false;
-		}
-	}
-
-	/**
-	 * Gets the all relation types.
-	 *
-	 * @return the all relation types
-	 */
-	public Collection<RelationType> getAllRelationTypes() {
-		return relationTypes.values();
-	}
-
 	/**
 	 * The Class TextDbParser.
 	 */
@ -275,7 +310,7 @@ public class TextDbLoader implements IWaveformDbLoader {
 		HashMap<Long, ScvTx> transactionById = new HashMap<>();

 		/** The tx sink. */
-		TreeMapSink<Long, ScvTx> txSink;
+		HTreeMap<Long, ScvTx> txSink;

 		/** The reader. */
 		BufferedReader reader = null;
@ -286,7 +321,6 @@ public class TextDbLoader implements IWaveformDbLoader {
 		/** The attr value lut. */
 		Map<String, Integer> attrValueLut = new HashMap<>();

-		long indexCount = 0;
 		/**
 		 * Instantiates a new text db parser.
 		 *
@ -313,6 +347,11 @@ public class TextDbLoader implements IWaveformDbLoader {
 			}
 			if (curLine != null)
 				parseLine(curLine, nextLine);
+			for(Entry<Long, ScvTx> e: transactionById.entrySet()) {
+				ScvTx scvTx = e.getValue();
+				scvTx.endTime=loader.maxTime;
+				txSink.put(e.getKey(), scvTx);
+			}
 		}

 		/**
@ -348,10 +387,9 @@ public class TextDbLoader implements IWaveformDbLoader {
 			String[] tokens = curLine.split("\\s+");
 			if ("tx_record_attribute".equals(tokens[0])) {
 				Long id = Long.parseLong(tokens[1]);
-				String name = tokens[2].substring(1, tokens[2].length());
+				String name = tokens[2].substring(1, tokens[2].length()-1);
 				DataType type = DataType.valueOf(tokens[3]);
-				String remaining = tokens.length > 5 ? String.join(" ", Arrays.copyOfRange(tokens, 5, tokens.length))
-						: "";
+				String remaining = tokens.length > 5 ? String.join(" ", Arrays.copyOfRange(tokens, 5, tokens.length)) : "";
 				TxAttributeType attrType = getAttrType(name, type, AssociationType.RECORD);
 				transactionById.get(id).attributes.add(new TxAttribute(attrType, getAttrString(attrType, remaining)));
 			} else if ("tx_begin".equals(tokens[0])) {
@ -361,8 +399,6 @@ public class TextDbLoader implements IWaveformDbLoader {
 				ScvTx scvTx = new ScvTx(id, gen.stream.getId(), genId,
 						Long.parseLong(tokens[3]) * stringToScale(tokens[4]));
 				loader.maxTime = loader.maxTime > scvTx.beginTime ? loader.maxTime : scvTx.beginTime;
-				TxStream stream = loader.txStreams.get(gen.stream.getId());
-				stream.setConcurrency(stream.getConcurrency() + 1);
 				if (nextLine != null && nextLine.charAt(0) == 'a') {
 					int idx = 0;
 					while (nextLine != null && nextLine.charAt(0) == 'a') {
@ -384,18 +420,14 @@ public class TextDbLoader implements IWaveformDbLoader {
 				TxGenerator gen = loader.txGenerators.get(scvTx.generatorId);
 				TxStream stream = loader.txStreams.get(gen.stream.getId());
 				if (scvTx.beginTime == scvTx.endTime) {
-					TxEvent evt = new TxEvent(loader, EventKind.SINGLE, id, scvTx.beginTime);
-					stream.addEvent(evt);
-					gen.addEvent(evt);
+					stream.addEvent(new TxEvent(loader, EventKind.SINGLE, id, scvTx.beginTime));
+					gen.addEvent(new TxEvent(loader, EventKind.SINGLE, id, scvTx.beginTime));
 				} else {
-					TxEvent begEvt = new TxEvent(loader, EventKind.BEGIN, id, scvTx.beginTime);
-					stream.addEvent(begEvt);
-					gen.addEvent(begEvt);
-					TxEvent endEvt = new TxEvent(loader, EventKind.END, id, scvTx.endTime);
-					stream.addEvent(endEvt);
-					gen.addEvent(endEvt);
+					stream.addEvent(new TxEvent(loader, EventKind.BEGIN, id, scvTx.beginTime));
+					gen.addEvent(new TxEvent(loader, EventKind.BEGIN, id, scvTx.beginTime));
+					stream.addEvent(new TxEvent(loader, EventKind.END, id, scvTx.endTime));
+					gen.addEvent(new TxEvent(loader, EventKind.END, id, scvTx.endTime));
 				}
-				stream.setConcurrency(stream.getConcurrency() - 1);
 				if (nextLine != null && nextLine.charAt(0) == 'a') {
 					int idx = 0;
 					while (nextLine != null && nextLine.charAt(0) == 'a') {
@ -407,8 +439,7 @@ public class TextDbLoader implements IWaveformDbLoader {
 						nextLine = reader.readLine();
 					}
 				}
-				txSink.put(indexCount, scvTx);
-				loader.id2index.put(scvTx.getId(), indexCount++);
+				txSink.put(scvTx.getId(), scvTx);
 				transactionById.remove(id);
 			} else if ("tx_relation".equals(tokens[0])) {
 				Long tr2 = Long.parseLong(tokens[2]);
@ -515,38 +546,4 @@ public class TextDbLoader implements IWaveformDbLoader {

 	}

-	/**
-	 * Gets the transaction.
-	 *
-	 * @param txId the tx id
-	 * @return the transaction
-	 */
-	public ITx getTransaction(long txId) {
-		if (txCache.containsKey(txId))
-			return txCache.get(txId);
-		Tx tx = new Tx(this, txId);
-		txCache.put(txId, tx);
-		return tx;
-	}
-
-	/**
-	 * Adds the property change listener.
-	 *
-	 * @param l the l
-	 */
-	@Override
-	public void addPropertyChangeListener(PropertyChangeListener l) {
-		pcs.addPropertyChangeListener(l);
-	}
-
-	/**
-	 * Removes the property change listener.
-	 *
-	 * @param l the l
-	 */
-	@Override
-	public void removePropertyChangeListener(PropertyChangeListener l) {
-		pcs.removePropertyChangeListener(l);
-	}
-
 }
--- a/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/Tx.java
+++ b/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/Tx.java
@ -19,7 +19,6 @@ import java.util.stream.Collectors;
 import com.minres.scviewer.database.IWaveform;
 import com.minres.scviewer.database.tx.ITx;
 import com.minres.scviewer.database.tx.ITxAttribute;
-import com.minres.scviewer.database.tx.ITxGenerator;
 import com.minres.scviewer.database.tx.ITxRelation;

 /**
@ -29,9 +28,15 @@ class Tx implements ITx {

 	/** The loader. */
 	private final TextDbLoader loader;
+	
+	private ScvTx scvTx =null;

 	/** The id. */
-	private long id;
+	private final long id;
+
+	private final long generatorId;
+
+	private final long streamId;

 	/** The begin time. */
 	long beginTime = -1;
@ -39,9 +44,6 @@ class Tx implements ITx {
 	/** The end time. */
 	long endTime = -1;

-	/** The concurrency index. */
-	private int concurrencyIndex;
-
 	/**
 	 * Instantiates a new tx.
 	 *
@ -51,6 +53,10 @@ class Tx implements ITx {
 	public Tx(TextDbLoader loader, ScvTx scvTx) {
 		this.loader = loader;
 		id = scvTx.id;
+		generatorId=scvTx.generatorId;
+		streamId=scvTx.streamId;
+		beginTime=scvTx.beginTime;
+		endTime=scvTx.endTime;
 	}

 	/**
@ -59,9 +65,11 @@ class Tx implements ITx {
 	 * @param loader the loader
 	 * @param txId   the tx id
 	 */
-	public Tx(TextDbLoader loader, long txId) {
+	public Tx(TextDbLoader loader, long id, long generatorId,  long streamId) {
 		this.loader = loader;
-		id = txId;
+		this.id = id;
+		this.generatorId=generatorId;
+		this.streamId = streamId;
 	}

 	/**
@ -113,7 +121,7 @@ class Tx implements ITx {
 			return true;
 		if (obj == null || getClass() != obj.getClass())
 			return false;
-		return this.loader.getScvTx(id).equals(((Tx) obj).loader.getScvTx(id));
+		return this.getScvTx().equals(((Tx) obj).getScvTx());
 	}

 	/**
@ -123,7 +131,7 @@ class Tx implements ITx {
 	 */
 	@Override
 	public int hashCode() {
-		return loader.getScvTx(id).hashCode();
+		return getScvTx().hashCode();
 	}

 	/**
@ -143,7 +151,7 @@ class Tx implements ITx {
 	 */
 	@Override
 	public Long getId() {
-		return loader.getScvTx(id).id;
+		return getScvTx().id;
 	}

 	/**
@ -153,7 +161,7 @@ class Tx implements ITx {
 	 */
 	@Override
 	public IWaveform getStream() {
-		return loader.txStreams.get(loader.getScvTx(id).streamId);
+		return loader.txStreams.get(streamId);
 	}

 	/**
@ -162,8 +170,8 @@ class Tx implements ITx {
 	 * @return the generator
 	 */
 	@Override
-	public ITxGenerator getGenerator() {
-		return loader.txGenerators.get(loader.getScvTx(id).generatorId);
+	public IWaveform getGenerator() {
+		return loader.txGenerators.get(generatorId);
 	}

 	/**
@ -173,8 +181,11 @@ class Tx implements ITx {
 	 */
 	@Override
 	public Long getBeginTime() {
-		if (beginTime < 0)
-			beginTime = loader.getScvTx(id).beginTime;
+		if (beginTime < 0) {
+			ScvTx tx = scvTx==null?loader.getScvTx(id):getScvTx();
+			beginTime = tx.beginTime;
+			endTime = tx.endTime;
+		}
 		return beginTime;
 	}

@ -185,8 +196,11 @@ class Tx implements ITx {
 	 */
 	@Override
 	public Long getEndTime() {
-		if (endTime < 0)
-			endTime = loader.getScvTx(id).endTime;
+		if (endTime < 0) {
+			ScvTx tx = scvTx==null?loader.getScvTx(id):getScvTx();
+			beginTime = tx.beginTime;
+			endTime = tx.endTime;
+		}
 		return endTime;
 	}

@ -196,26 +210,7 @@ class Tx implements ITx {
 	 * @param time the new end time
 	 */
 	void setEndTime(Long time) {
-		loader.getScvTx(id).endTime = time;
-	}
-
-	/**
-	 * Gets the concurrency index.
-	 *
-	 * @return the concurrency index
-	 */
-	@Override
-	public int getConcurrencyIndex() {
-		return concurrencyIndex;
-	}
-
-	/**
-	 * Sets the concurrency index.
-	 *
-	 * @param idx the new concurrency index
-	 */
-	void setConcurrencyIndex(int idx) {
-		concurrencyIndex = idx;
+		getScvTx().endTime = time;
 	}

 	/**
@ -225,7 +220,12 @@ class Tx implements ITx {
 	 */
 	@Override
 	public List<ITxAttribute> getAttributes() {
-		return loader.getScvTx(id).attributes;
+		return getScvTx().attributes;
 	}

+	private ScvTx getScvTx() {
+		if(scvTx==null)
+			scvTx=loader.getScvTx(id);
+		return scvTx;
+	}
 }
--- a/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxEvent.java
+++ b/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxEvent.java
@ -32,6 +32,7 @@ class TxEvent implements ITxEvent {
 	/** The time. */
 	final long time;

+	private int concurrencyIdx=-1;
 	/**
 	 * Instantiates a new tx event.
 	 *
@ -107,4 +108,13 @@ class TxEvent implements ITxEvent {
 	public ITx getTransaction() {
 		return loader.getTransaction(transaction);
 	}
+
+	@Override
+	public int getRowIndex() {
+		return concurrencyIdx;
+	}
+
+	public void setConcurrencyIndex(int idx) {
+		concurrencyIdx=idx;
+	}
 }
--- a/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxGenerator.java
+++ b/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxGenerator.java
@ -15,12 +15,11 @@ import java.util.ArrayList;
 import java.util.List;

 import com.minres.scviewer.database.IWaveform;
-import com.minres.scviewer.database.tx.ITxGenerator;

 /**
 * The Class TxGenerator.
 */
-class TxGenerator extends AbstractTxStream implements ITxGenerator {
+class TxGenerator extends AbstractTxStream {

 	/** The stream. */
 	TxStream stream;
@ -45,16 +44,6 @@ class TxGenerator extends AbstractTxStream implements ITxGenerator {
 		stream.addChild(this);
 	}

-	/**
-	 * Gets the stream.
-	 *
-	 * @return the stream
-	 */
-	@Override
-	public IWaveform getStream() {
-		return stream;
-	}
-
 	/**
 	 * Checks if is same.
 	 *
@ -94,13 +83,4 @@ class TxGenerator extends AbstractTxStream implements ITxGenerator {
 		return stream.getKind();
 	}

-	/**
-	 * Gets the width.
-	 *
-	 * @return the width
-	 */
-	@Override
-	public int getWidth() {
-		return stream.getWidth();
-	}
 }
--- a/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxStream.java
+++ b/plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxStream.java
@ -55,40 +55,4 @@ class TxStream extends AbstractTxStream {
 		return kind;
 	}

-	/** The max concurrency. */
-	private int maxConcurrency = 0;
-
-	/** The concurrency. */
-	private int concurrency = 0;
-
-	/**
-	 * Sets the concurrency.
-	 *
-	 * @param concurrency the new concurrency
-	 */
-	void setConcurrency(int concurrency) {
-		this.concurrency = concurrency;
-		if (concurrency > maxConcurrency)
-			maxConcurrency = concurrency;
-	}
-
-	/**
-	 * Gets the concurrency.
-	 *
-	 * @return the concurrency
-	 */
-	int getConcurrency() {
-		return this.concurrency;
-	}
-
-	/**
-	 * Gets the width.
-	 *
-	 * @return the width
-	 */
-	@Override
-	public int getWidth() {
-		return maxConcurrency;
-	}
-
 }
--- a/plugins/com.minres.scviewer.database.ui.swt/.classpath
+++ b/plugins/com.minres.scviewer.database.ui.swt/.classpath
@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="target/classes"/>
--- a/plugins/com.minres.scviewer.database.ui.swt/.settings/org.eclipse.jdt.core.prefs
+++ b/plugins/com.minres.scviewer.database.ui.swt/.settings/org.eclipse.jdt.core.prefs
@ -9,8 +9,8 @@ org.eclipse.jdt.core.compiler.annotation.nullable=org.eclipse.jdt.annotation.Nul
 org.eclipse.jdt.core.compiler.annotation.nullable.secondary=
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.autoboxing=ignore
@ -21,6 +21,7 @@ org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
 org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
 org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
 org.eclipse.jdt.core.compiler.problem.emptyStatement=ignore
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=ignore
 org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
@ -66,6 +67,7 @@ org.eclipse.jdt.core.compiler.problem.redundantSpecificationOfTypeArguments=igno
 org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
 org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
 org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
@ -98,5 +100,5 @@ org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
--- a/plugins/com.minres.scviewer.database.ui.swt/META-INF/MANIFEST.MF
+++ b/plugins/com.minres.scviewer.database.ui.swt/META-INF/MANIFEST.MF
@ -4,7 +4,7 @@ Bundle-Name: SWT database widget
 Bundle-SymbolicName: com.minres.scviewer.database.ui.swt
 Bundle-Version: 3.0.0.qualifier
 Bundle-Vendor: MINRES Technologies GmbH
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Require-Bundle: org.eclipse.swt;bundle-version="3.103.1",
 com.minres.scviewer.database;bundle-version="1.0.0",
 com.google.guava;bundle-version="15.0.0",
--- a/plugins/com.minres.scviewer.database.ui.swt/pom.xml
+++ b/plugins/com.minres.scviewer.database.ui.swt/pom.xml
@ -5,7 +5,7 @@
  <parent>
  	<groupId>com.minres.scviewer</groupId>
  	<artifactId>com.minres.scviewer.parent</artifactId>
-  	<version>2.11.0</version>
+  	<version>2.12.1</version>
 	<relativePath>../..</relativePath>
  </parent>
  <version>3.0.0-SNAPSHOT</version>
--- a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/ArrowPainter.java
+++ b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/ArrowPainter.java
@ -10,9 +10,11 @@
 *******************************************************************************/
 package com.minres.scviewer.database.ui.swt.internal;

+import java.util.Arrays;
 import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Optional;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Color;
@ -21,8 +23,12 @@ import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.widgets.Display;

+import com.minres.scviewer.database.IEvent;
+import com.minres.scviewer.database.IHierNode;
+import com.minres.scviewer.database.IWaveform;
 import com.minres.scviewer.database.RelationType;
 import com.minres.scviewer.database.tx.ITx;
+import com.minres.scviewer.database.tx.ITxEvent;
 import com.minres.scviewer.database.tx.ITxRelation;
 import com.minres.scviewer.database.ui.WaveformColors;

@ -32,7 +38,7 @@ public class ArrowPainter implements IPainter {

 	private int yCtrlOffset = 30;

-	private WaveformCanvas waveCanvas;
+	private final WaveformCanvas waveCanvas;

 	private ITx tx;

@ -48,8 +54,6 @@ public class ArrowPainter implements IPainter {
 	
 	long scaleFactor;

-	boolean deferUpdate;
-
 	public ArrowPainter(WaveformCanvas waveCanvas, RelationType relationType) {
 		this.waveCanvas = waveCanvas;
 		highlightType=relationType;
@ -78,40 +82,76 @@ public class ArrowPainter implements IPainter {
 		}
 	}

-	protected void calculateGeometries() {
-		deferUpdate = false;
+	private int getConcurrencyIndex(ITx tx) {
+		IEvent[] eventList = tx.getStream().getEvents().floorEntry(tx.getBeginTime()).getValue();
+		Optional<Integer> res = Arrays.stream(eventList).map(e -> ((ITxEvent)e).getRowIndex()).findFirst();
+		return res.isPresent()? res.get():0;
+	}
+	
+	protected boolean calculateGeometries() {
 		iRect.clear();
 		oRect.clear();
 		IWaveformPainter painter = waveCanvas.wave2painterMap.get(tx.getStream());
+		if(painter == null)
+			painter = waveCanvas.wave2painterMap.get(tx.getGenerator());
 		if (painter == null) { // stream has been added but painter not yet
 								// created
-			deferUpdate = true;
-			return;
+			return true;
 		}
-		int laneHeight = painter.getHeight() / tx.getStream().getWidth();
+		int laneHeight = painter.getHeight() / tx.getStream().getRowCount();
 		txRectangle = new Rectangle((int) (tx.getBeginTime() / scaleFactor),
-				waveCanvas.rulerHeight + painter.getVerticalOffset() + laneHeight * tx.getConcurrencyIndex(),
+				waveCanvas.rulerHeight + painter.getVerticalOffset() + laneHeight * getConcurrencyIndex(tx),
 				(int) ((tx.getEndTime() - tx.getBeginTime()) / scaleFactor), laneHeight);
 		deriveGeom(tx.getIncomingRelations(), iRect, false);
 		deriveGeom(tx.getOutgoingRelations(), oRect, true);
+		return false;
 	}

 	protected void deriveGeom(Collection<ITxRelation> relations, List<LinkEntry> res, boolean useTarget) {
 		for (ITxRelation iTxRelation : relations) {
 			ITx otherTx = useTarget ? iTxRelation.getTarget() : iTxRelation.getSource();
-			if (waveCanvas.wave2painterMap.containsKey(otherTx.getStream())) {
-				IWaveformPainter painter = waveCanvas.wave2painterMap.get(otherTx.getStream());
-				int height = waveCanvas.styleProvider.getTrackHeight();
-				Rectangle bb = new Rectangle(
-						(int) (otherTx.getBeginTime() / scaleFactor),
-						waveCanvas.rulerHeight + painter.getVerticalOffset() + height * otherTx.getConcurrencyIndex(),
-						(int) ((otherTx.getEndTime() - otherTx.getBeginTime()) / scaleFactor),
-						height);
+			Rectangle bb = createLinkEntry(otherTx, otherTx.getStream());
+			if(bb!=null){
 				res.add(new LinkEntry(bb, iTxRelation.getRelationType()));
+				return;
+			} else {
+				for(IHierNode gen:otherTx.getStream().getChildNodes()) {
+					if(gen instanceof IWaveform) {
+						bb = createLinkEntry(otherTx, (IWaveform) gen);
+						if(bb!=null){
+							res.add(new LinkEntry(bb, iTxRelation.getRelationType()));
+							return;
+						}
+					}
+				}
 			}
 		}
 	}

+	private Rectangle createLinkEntry(ITx otherTx, IWaveform iWaveform) {
+		if (waveCanvas.wave2painterMap.containsKey(iWaveform)) {
+			IWaveformPainter painter = waveCanvas.wave2painterMap.get(otherTx.getStream());
+			if(painter==null) {
+				for(IHierNode gen:otherTx.getStream().getChildNodes()) {
+					if(gen instanceof IWaveform) {
+						 painter = waveCanvas.wave2painterMap.get(gen);
+						 if(painter!=null)
+							 break;
+					}
+				}
+			}
+			if(painter!=null) {
+				int height = waveCanvas.styleProvider.getTrackHeight();
+				return new Rectangle(
+						(int) (otherTx.getBeginTime() / scaleFactor),
+						waveCanvas.rulerHeight + painter.getVerticalOffset() + height * getConcurrencyIndex(otherTx),
+						(int) ((otherTx.getEndTime() - otherTx.getBeginTime()) / scaleFactor),
+						height);
+			}
+		}
+		return null;
+	}
+
 	@Override
 	public void paintArea(Projection proj, Rectangle clientRect) {
 		yCtrlOffset = waveCanvas.styleProvider.getTrackHeight()/2;
@ -119,11 +159,9 @@ public class ArrowPainter implements IPainter {
 		Color highliteColor = waveCanvas.styleProvider.getColor(WaveformColors.REL_ARROW_HIGHLITE);

 		if(tx==null) return;
-		if (!deferUpdate) {
-			scaleFactor = waveCanvas.getScaleFactor();
-			calculateGeometries();
-		}
-		if(deferUpdate) return;
+		scaleFactor = waveCanvas.getScaleFactor();
+		if(calculateGeometries())
+			return;
 		int correctionValue = (int)(selectionOffset);
 		Rectangle correctedTargetRectangle = new Rectangle(txRectangle.x+correctionValue, txRectangle.y, txRectangle.width, txRectangle.height);
 		for (LinkEntry entry : iRect) {
--- a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/RulerPainter.java
+++ b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/RulerPainter.java
@ -19,7 +19,7 @@ import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.wb.swt.SWTResourceManager;

 public class RulerPainter implements IPainter {
-    protected WaveformCanvas waveCanvas;
+    protected final WaveformCanvas waveCanvas;
    
    static final int RULER_TICK_MINOR = 10;
    static final int RULER_TICK_MAJOR = 100;
--- a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/StreamPainter.java
+++ b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/StreamPainter.java
@ -10,10 +10,9 @@
 *******************************************************************************/
 package com.minres.scviewer.database.ui.swt.internal;

-import java.util.Collection;
 import java.util.Map.Entry;
 import java.util.NavigableMap;
-import java.util.TreeSet;
+import java.util.TreeMap;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Color;
@ -37,19 +36,26 @@ public class StreamPainter extends TrackPainter{
 	private IWaveform stream;
 	private int txBase;
 	private int txHeight;
-	private TreeSet<ITx> seenTx;
+	private TreeMap<ITx, ITxEvent> seenTx;

 	public StreamPainter(WaveformCanvas waveCanvas, boolean even, TrackEntry trackEntry) {
 		super(trackEntry, even);
 		this.waveCanvas = waveCanvas;
 		this.stream=trackEntry.waveform;
-		this.seenTx=new TreeSet<>();
+		this.seenTx=new TreeMap<>();
 	}

-	@SuppressWarnings("unchecked")
 	public void paintArea(Projection proj, Rectangle area) {
-		if(stream.getEvents().size()==0) return;
-		int trackHeight=trackEntry.height/stream.getWidth();
+		int trackHeight=trackEntry.height/stream.getRowCount();
+		if(stream.getEvents().size()==0) {
+			proj.setFillRule(SWT.FILL_EVEN_ODD);
+			proj.setLineStyle(SWT.LINE_SOLID);
+			proj.setLineWidth(1);
+			proj.setForeground(this.waveCanvas.styleProvider.getColor(WaveformColors.LINE));
+			for( int y1=area.y+trackHeight/2; y1<area.y+trackEntry.height; y1+=trackHeight)
+				proj.drawLine(area.x, y1, area.x+area.width, y1);
+			return;
+		}
 		txBase=trackHeight/5;
 		txHeight=trackHeight*3/5;
 		if(trackEntry.selected) {
@ -65,8 +71,8 @@ public class StreamPainter extends TrackPainter{
 		long beginTime = beginPos*scaleFactor;
 		long endTime = beginTime + area.width*scaleFactor;

-		Entry<Long, ?> firstTx=stream.getEvents().floorEntry(beginTime);
-		Entry<Long, ?> lastTx=stream.getEvents().ceilingEntry(endTime);
+		Entry<Long,  IEvent[]> firstTx=stream.getEvents().floorEntry(beginTime);
+		Entry<Long,  IEvent[]> lastTx=stream.getEvents().ceilingEntry(endTime);
 		if(firstTx==null) firstTx = stream.getEvents().firstEntry();
 		if(lastTx==null) lastTx=stream.getEvents().lastEntry();
 		proj.setFillRule(SWT.FILL_EVEN_ODD);
@ -77,46 +83,51 @@ public class StreamPainter extends TrackPainter{
 		for( int y1=area.y+trackHeight/2; y1<area.y+trackEntry.height; y1+=trackHeight)
 			proj.drawLine(area.x, y1, area.x+area.width, y1);
 		if(firstTx==lastTx) {
-			for(ITxEvent txEvent:(Collection<?  extends ITxEvent>)firstTx.getValue())
-				drawTx(proj, area, txEvent.getTransaction(), false);
+			for(IEvent txEvent: firstTx.getValue())
+				drawTx(proj, area, ((ITxEvent)txEvent).getTransaction(), ((ITxEvent)txEvent).getRowIndex(), false);
 		}else{
 			seenTx.clear();
 			NavigableMap<Long, IEvent[]> entries = stream.getEvents().subMap(firstTx.getKey(), true, lastTx.getKey(), true);
-			boolean highlighed=false;
+			ITxEvent highlighed=null;
 			proj.setForeground(this.waveCanvas.styleProvider.getColor(WaveformColors.LINE));
 			long selectedId=waveCanvas.currentSelection!=null? waveCanvas.currentSelection.getId():-1;
 			for(Entry<Long, IEvent[]> entry: entries.entrySet())
-				for(IEvent evt:entry.getValue()){
-					ITx tx = ((ITxEvent) evt).getTransaction();
-					highlighed|=selectedId==tx.getId();
+				for(IEvent e:entry.getValue()){
+					ITxEvent evt = (ITxEvent) e;
+					ITx tx = evt.getTransaction();
+					if(selectedId==tx.getId())
+						highlighed=evt;
 					switch(evt.getKind()) {
 					case BEGIN:
-						seenTx.add(tx);
+						seenTx.put(tx, evt);
 						break;
 					case END:
+						drawTx(proj, area, tx, evt.getRowIndex(), false);
 						seenTx.remove(tx);
+						break;
 					case SINGLE:
-						drawTx(proj, area, tx, false);
+						drawTx(proj, area, tx, evt.getRowIndex(), false);
 						break;
 					}
 				}
-			for(ITx tx:seenTx){
-				drawTx(proj, area, tx, false);
-			}
-			if(highlighed){
+			seenTx.entrySet().stream().forEach(e -> {
+				drawTx(proj, area, e.getKey(), e.getValue().getRowIndex(), false);
+			});
+			
+			if(highlighed!=null){
 				proj.setForeground(this.waveCanvas.styleProvider.getColor(WaveformColors.LINE_HIGHLITE));
-				drawTx(proj, area, waveCanvas.currentSelection, true);
+				drawTx(proj, area, highlighed.getTransaction(), highlighed.getRowIndex(), true);
 			}
 		}
 	}

-	protected void drawTx(Projection proj, Rectangle area, ITx tx, boolean highlighted ) {
+	protected void drawTx(Projection proj, Rectangle area, ITx tx, int concurrencyIndex, boolean highlighted ) {
 		// compute colors
 		Color[] transColor = waveCanvas.styleProvider.computeColor( tx.getGenerator().getName());

 		proj.setBackground(transColor[highlighted?1:0]);

-		int offset = tx.getConcurrencyIndex()*this.waveCanvas.styleProvider.getTrackHeight();
+		int offset = concurrencyIndex*this.waveCanvas.styleProvider.getTrackHeight();
 		Rectangle bb = new Rectangle(
 				(int)(tx.getBeginTime()/this.waveCanvas.getScaleFactor()), area.y+offset+txBase,
 				(int)((tx.getEndTime()-tx.getBeginTime())/this.waveCanvas.getScaleFactor()), txHeight);
@ -164,25 +175,19 @@ public class StreamPainter extends TrackPainter{

 	protected ITx getTxFromEntry(int lane, int offset, Entry<Long, IEvent[]> firstTx) {
 		long timePoint=offset*waveCanvas.getScaleFactor();
-		for(IEvent evt:firstTx.getValue()){
-			if(evt instanceof ITxEvent) {
-				ITx tx=((ITxEvent)evt).getTransaction();
-				if((evt.getKind()==EventKind.BEGIN || evt.getKind()==EventKind.SINGLE)&&
-						tx.getConcurrencyIndex()==lane && tx.getBeginTime()<=timePoint && tx.getEndTime()>=timePoint){
-					return ((ITxEvent)evt).getTransaction();
-				}
-			}
-		}
-		// now with some fuzziness
-		timePoint=(offset-5)*waveCanvas.getScaleFactor();
+		long timePointLow=(offset-5)*waveCanvas.getScaleFactor();
 		long timePointHigh=(offset+5)*waveCanvas.getScaleFactor();
-		for(IEvent evt:firstTx.getValue()){
-			if(evt instanceof ITxEvent) {
-				ITx tx=((ITxEvent)evt).getTransaction();
-				if((evt.getKind()==EventKind.BEGIN || evt.getKind()==EventKind.SINGLE) &&
-						tx.getConcurrencyIndex()==lane && tx.getBeginTime()<=timePointHigh && tx.getEndTime()>=timePoint){
-					return ((ITxEvent)evt).getTransaction();
-				}
+		for(IEvent e:firstTx.getValue()){
+			if(e instanceof ITxEvent) {
+				ITxEvent evt = (ITxEvent) e;
+				ITx tx=evt.getTransaction();
+				if(
+						(evt.getKind()==EventKind.SINGLE && evt.getTime()==timePoint) ||
+						(evt.getKind()==EventKind.SINGLE && evt.getTime()>timePointLow && evt.getTime()<timePointHigh) ||
+						(evt.getKind()==EventKind.BEGIN && evt.getRowIndex()==lane && evt.getTime()<=timePoint && tx.getEndTime()>=timePoint)
+						){
+					return tx;
+				} 
 			}
 		}
 		return null;
--- a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/WaveformCanvas.java
+++ b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/WaveformCanvas.java
@ -11,10 +11,12 @@
 package com.minres.scviewer.database.ui.swt.internal;

 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map.Entry;
+import java.util.Optional;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ControlAdapter;
@ -32,9 +34,11 @@ import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.ScrollBar;

 import com.google.common.collect.Lists;
+import com.minres.scviewer.database.IEvent;
 import com.minres.scviewer.database.IWaveform;
 import com.minres.scviewer.database.RelationType;
 import com.minres.scviewer.database.tx.ITx;
+import com.minres.scviewer.database.tx.ITxEvent;
 import com.minres.scviewer.database.ui.IWaveformStyleProvider;
 import com.minres.scviewer.database.ui.IWaveformView;
 import com.minres.scviewer.database.ui.TrackEntry;
@ -175,10 +179,10 @@ public class WaveformCanvas extends Canvas {

    public void setZoomLevel(int level, long centerTime) {
    	//FIXME: keep center if zoom-out and cursor is not in view
-    	long oldScaleFactor=scaleFactor;
    	if(level<0) level = 0;
+		long xc=centerTime/this.scaleFactor; // cursor total x-offset
    	if(level<Constants.UNIT_MULTIPLIER.length*Constants.UNIT_STRING.length){
-    		this.scaleFactor = (long) Math.pow(10, level/2d);
+    		this.scaleFactor = (long) Math.pow(10, level>>1);
    		if(level%2==1) this.scaleFactor*=3;
    		ITx tx = arrowPainter.getTx();
    		arrowPainter.setTx(null);
@ -188,7 +192,6 @@ public class WaveformCanvas extends Canvas {
    		 * xcn = tc/newScaleFactor
    		 * t0n = (xcn-xoffs)*scaleFactor
    		 */
-			long xc=centerTime/oldScaleFactor; // cursor total x-offset
 			long xoffs=xc+origin.x; // cursor offset relative to left border
 			long xcn=centerTime/scaleFactor; // new total x-offset
 			long originX=xcn-xoffs;
@ -424,13 +427,17 @@ public class WaveformCanvas extends Canvas {
        }
        for (IWaveformPainter painter : wave2painterMap.values()) {
            if (painter instanceof StreamPainter && ((StreamPainter) painter).getStream() == tx.getStream()) {
-                int top = painter.getVerticalOffset() + styleProvider.getTrackHeight() * tx.getConcurrencyIndex();
-                int bottom = top + styleProvider.getTrackHeight();
-                if (top < -origin.y) {
-                    setOrigin(origin.x, -(top-styleProvider.getTrackHeight()));
-                } else if (bottom > (size.y - origin.y)) {
-                    setOrigin(origin.x, size.y - bottom);
-                }
+            	Entry<Long, IEvent[]> entry = tx.getStream().getEvents().floorEntry(tx.getBeginTime());
+            	Optional<IEvent> res = Arrays.stream(entry.getValue()).filter(e -> ((ITxEvent)e).getTransaction().equals(tx)).findFirst();
+            	if(res.isPresent()) {
+                    int top = painter.getVerticalOffset() + styleProvider.getTrackHeight() * ((ITxEvent)res.get()).getRowIndex();
+                    int bottom = top + styleProvider.getTrackHeight();
+                    if (top < -origin.y) {
+                        setOrigin(origin.x, -(top-styleProvider.getTrackHeight()));
+                    } else if (bottom > (size.y - origin.y)) {
+                        setOrigin(origin.x, size.y - bottom);
+                    }
+            	}
            }
        }
    }
--- a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/WaveformView.java
+++ b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/WaveformView.java
@ -514,7 +514,7 @@ public class WaveformView implements IWaveformView {
 			streamEntry.vOffset = tracksVerticalHeight;
 			if (streamEntry.waveform.getType() == WaveformType.TRANSACTION) {
 				streamEntry.currentValue = "";
-				streamEntry.height *= streamEntry.waveform.getWidth();
+				streamEntry.height *= streamEntry.waveform.getRowCount();
 				painter = new StreamPainter(waveformCanvas, even, streamEntry);
 			} else if (streamEntry.waveform.getType() == WaveformType.SIGNAL) {
 				streamEntry.currentValue = "---";
@ -579,17 +579,18 @@ public class WaveformView implements IWaveformView {
 						entry.currentValue = Double.toString(val);
 				}
 			} else if (entry.waveform.getType() == WaveformType.TRANSACTION) {
-				ITx[] resultsList = new ITx[entry.waveform.getWidth()];
+				ITx[] resultsList = new ITx[entry.waveform.getRowCount()];
 				Entry<Long, IEvent[]> firstTx = entry.waveform.getEvents().floorEntry(time);
 				if (firstTx != null) {
 					do {
-						for (IEvent evt : firstTx.getValue()) {
-							if (evt instanceof ITxEvent) {
-								ITx tx = ((ITxEvent) evt).getTransaction();
+						for (IEvent e : firstTx.getValue()) {
+							if (e instanceof ITxEvent) {
+								ITxEvent evt = ((ITxEvent) e);
+								ITx tx = evt.getTransaction();
 								if ((evt.getKind() == EventKind.BEGIN || evt.getKind() == EventKind.SINGLE)
 										&& tx.getBeginTime() <= time && tx.getEndTime() >= time
-										&& resultsList[tx.getConcurrencyIndex()] == null)
-									resultsList[tx.getConcurrencyIndex()] = ((ITxEvent) evt).getTransaction();
+										&& resultsList[evt.getRowIndex()] == null)
+									resultsList[evt.getRowIndex()] = evt.getTransaction();
 							}
 						}
 						firstTx = entry.waveform.getEvents().lowerEntry(firstTx.getKey());
@ -1036,7 +1037,7 @@ public class WaveformView implements IWaveformView {
 					TrackEntry trackEntry = trackVerticalOffset.get(firstKey);
 					IWaveform w = trackEntry.waveform;
 					if (w.getType() == WaveformType.TRANSACTION)
-						subArea.height *= w.getWidth();
+						subArea.height *= w.getRowCount();
 					drawTextFormat(gc, subArea, firstKey, w.getFullName(), trackEntry.selected);
 				} else {
 					for (Entry<Integer, TrackEntry> entry : trackVerticalOffset.subMap(firstKey, true, lastKey, true)
@ -1044,7 +1045,7 @@ public class WaveformView implements IWaveformView {
 						IWaveform w = entry.getValue().waveform;
 						subArea.height = styleProvider.getTrackHeight();
 						if (w.getType() == WaveformType.TRANSACTION)
-							subArea.height *= w.getWidth();
+							subArea.height *= w.getRowCount();
 						drawTextFormat(gc, subArea, entry.getKey(), w.getFullName(), entry.getValue().selected);
 					}
 				}
@ -1065,7 +1066,7 @@ public class WaveformView implements IWaveformView {
 					TrackEntry trackEntry = trackVerticalOffset.get(firstKey);
 					IWaveform w = trackEntry.waveform;
 					if (w.getType() == WaveformType.TRANSACTION)
-						subArea.height *= w.getWidth();
+						subArea.height *= w.getRowCount();
 					drawValue(gc, subArea, firstKey, trackEntry.currentValue, trackEntry.selected);
 				} else {
 					for (Entry<Integer, TrackEntry> entry : trackVerticalOffset.subMap(firstKey, true, lastKey, true)
@ -1073,7 +1074,7 @@ public class WaveformView implements IWaveformView {
 						IWaveform w = entry.getValue().waveform;
 						subArea.height = styleProvider.getTrackHeight();
 						if (w.getType() == WaveformType.TRANSACTION)
-							subArea.height *= w.getWidth();
+							subArea.height *= w.getRowCount();
 						drawValue(gc, subArea, entry.getKey(), entry.getValue().currentValue,
 								entry.getValue().selected);
 					}
--- a/plugins/com.minres.scviewer.database.vcd/.classpath
+++ b/plugins/com.minres.scviewer.database.vcd/.classpath
@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="target/classes"/>
--- a/plugins/com.minres.scviewer.database.vcd/.settings/org.eclipse.jdt.core.prefs
+++ b/plugins/com.minres.scviewer.database.vcd/.settings/org.eclipse.jdt.core.prefs
@ -1,8 +1,10 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
--- a/plugins/com.minres.scviewer.database.vcd/META-INF/MANIFEST.MF
+++ b/plugins/com.minres.scviewer.database.vcd/META-INF/MANIFEST.MF
@ -4,7 +4,7 @@ Bundle-Name: VCD signal database
 Bundle-SymbolicName: com.minres.scviewer.database.vcd
 Bundle-Version: 2.2.0.qualifier
 Bundle-Vendor: MINRES Technologies GmbH
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Require-Bundle: com.minres.scviewer.database;bundle-version="1.0.0",
 org.eclipse.osgi.services;bundle-version="3.4.0",
 com.google.guava;bundle-version="15.0.0"
--- a/plugins/com.minres.scviewer.database.vcd/pom.xml
+++ b/plugins/com.minres.scviewer.database.vcd/pom.xml
@ -5,7 +5,7 @@
  <parent>
  	<groupId>com.minres.scviewer</groupId>
  	<artifactId>com.minres.scviewer.parent</artifactId>
-  	<version>2.11.0</version>
+  	<version>2.12.1</version>
 	<relativePath>../..</relativePath>
  </parent>
  <packaging>eclipse-plugin</packaging>
--- a/plugins/com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDDbLoader.java
+++ b/plugins/com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDDbLoader.java
@ -204,7 +204,7 @@ public class VCDDbLoader implements IWaveformDbLoader, IVCDDatabaseBuilder {
 	@Override
 	public int getNetWidth(int intValue) {
 		VCDSignal<?> signal = (VCDSignal<?>) signals.get(intValue);
-		return signal.getWidth();
+		return signal.getRowCount();
 	}

 	/* (non-Javadoc)
--- a/plugins/com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDSignal.java
+++ b/plugins/com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDSignal.java
@ -109,7 +109,7 @@ public class VCDSignal<T extends IEvent> extends HierNode implements IWaveform {
 	}

 	@Override
-	public int getWidth() {
+	public int getRowCount() {
 		return width;
 	}

--- a/plugins/com.minres.scviewer.database/.classpath
+++ b/plugins/com.minres.scviewer.database/.classpath
@ -1,7 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="src" path="src/"/>
+	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>
--- a/plugins/com.minres.scviewer.database/.settings/org.eclipse.jdt.core.prefs
+++ b/plugins/com.minres.scviewer.database/.settings/org.eclipse.jdt.core.prefs
@ -1,9 +1,16 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=11
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
--- a/plugins/com.minres.scviewer.database/META-INF/MANIFEST.MF
+++ b/plugins/com.minres.scviewer.database/META-INF/MANIFEST.MF
@ -4,7 +4,7 @@ Bundle-Name: Waveform database
 Bundle-SymbolicName: com.minres.scviewer.database
 Bundle-Version: 3.0.0.qualifier
 Bundle-Vendor: MINRES Technologies GmbH
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Export-Package: com.minres.scviewer.database,
 com.minres.scviewer.database.tx
 Bundle-ActivationPolicy: lazy
--- a/plugins/com.minres.scviewer.database/pom.xml
+++ b/plugins/com.minres.scviewer.database/pom.xml
@ -4,7 +4,7 @@
  <parent>
  	<groupId>com.minres.scviewer</groupId>
  	<artifactId>com.minres.scviewer.parent</artifactId>
-  	<version>2.11.0</version>
+  	<version>2.12.1</version>
 	<relativePath>../..</relativePath>
  </parent>
  <packaging>eclipse-plugin</packaging>
--- a/plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/IWaveform.java
+++ b/plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/IWaveform.java
@ -12,6 +12,7 @@ package com.minres.scviewer.database;

 import java.util.NavigableMap;

+// TODO: Auto-generated Javadoc
 /**
 * The Interface IWaveform.
 *
@ -76,6 +77,6 @@ public interface IWaveform extends IHierNode {
 	 *
 	 * @return the width
 	 */
-	public int getWidth();
-
+	public int getRowCount();
+	
 }
--- a/plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/internal/WaveformDb.java
+++ b/plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/internal/WaveformDb.java
@ -123,31 +123,31 @@ public class WaveformDb extends HierNode implements IWaveformDb, PropertyChangeL
 	 */
 	@Override
 	public boolean load(File inp) {
+		boolean retval = true;
 		for (IWaveformDbLoader loader : loaders) {
 			if (loader.canLoad(inp)) {
+				loader.addPropertyChangeListener(this);
 				try {
-					loader.addPropertyChangeListener(this);
 					loader.load(this, inp);
-					loader.removePropertyChangeListener(this);
-					for (IWaveform w : loader.getAllWaves()) {
-						waveforms.put(w.getFullName(), w);
-					}
-					if (loader.getMaxTime() > maxTime) {
-						maxTime = loader.getMaxTime();
-					}
-					if (name == null)
-						name = getFileBasename(inp.getName());
-					buildHierarchyNodes();
-					relationTypes.addAll(loader.getAllRelationTypes());
-					pcs.firePropertyChange(IHierNode.LOADING_FINISHED, null, null);
-					loaded = true;
-					return true;
 				} catch (Exception e) {
-					return false;
+					retval=false;
 				}
+				loader.removePropertyChangeListener(this);
+				for (IWaveform w : loader.getAllWaves()) {
+					waveforms.put(w.getFullName(), w);
+				}
+				if (loader.getMaxTime() > maxTime) {
+					maxTime = loader.getMaxTime();
+				}
+				if (name == null)
+					name = getFileBasename(inp.getName());
+				buildHierarchyNodes();
+				relationTypes.addAll(loader.getAllRelationTypes());
 			}
 		}
-		return false;
+		pcs.firePropertyChange(IHierNode.LOADING_FINISHED, null, null);
+		loaded = true;
+		return retval;
 	}

 	/**
@ -226,14 +226,13 @@ public class WaveformDb extends HierNode implements IWaveformDb, PropertyChangeL
 					break;
 				}
 			}
-			if (childNode != null) {
+			if (childNode == null) {
+				HierNode newNode = new HierNode(name, node);
+				node.addChild(newNode);
+				node = newNode;
+			} else {
 				node = childNode;
-				break;
 			}
-			HierNode newNode = new HierNode(name, node);
-			node.addChild(newNode);
-			node = newNode;
-
 		}
 		node.addChild(waveform);
 		waveform.setParent(node);
--- a/plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/tx/ITx.java
+++ b/plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/tx/ITx.java
@ -39,7 +39,7 @@ public interface ITx extends Comparable<ITx> {
 	 *
 	 * @return the generator
 	 */
-	public ITxGenerator getGenerator();
+	public IWaveform getGenerator();

 	/**
 	 * Gets the begin time.
@ -55,13 +55,6 @@ public interface ITx extends Comparable<ITx> {
 	 */
 	public Long getEndTime();

-	/**
-	 * Gets the concurrency index.
-	 *
-	 * @return the concurrency index
-	 */
-	public int getConcurrencyIndex();
-
 	/**
 	 * Gets the attributes.
 	 *
--- a/plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/tx/ITxEvent.java
+++ b/plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/tx/ITxEvent.java
@ -30,4 +30,12 @@ public interface ITxEvent extends IEvent {
 	 * @return the transaction
 	 */
 	public ITx getTransaction();
+
+	/**
+	 * Gets the concurrency index.
+	 *
+	 * @return the concurrency index
+	 */
+	public int getRowIndex();
+
 }
--- a/plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/tx/ITxGenerator.java
+++ b/plugins/com.minres.scviewer.database/src/com/minres/scviewer/database/tx/ITxGenerator.java
@ -1,27 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2015-2021 MINRES Technologies GmbH and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     MINRES Technologies GmbH - initial API and implementation
- *******************************************************************************/
-package com.minres.scviewer.database.tx;
-
-import com.minres.scviewer.database.IWaveform;
-
-/**
- * The Interface ITxGenerator.
- */
-public interface ITxGenerator extends IWaveform {
-
-	/**
-	 * Gets the stream.
-	 *
-	 * @return the stream
-	 */
-	public IWaveform getStream();
-
-}
--- a/plugins/com.minres.scviewer.e4.application/.classpath
+++ b/plugins/com.minres.scviewer.e4.application/.classpath
@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="target/classes"/>
--- a/plugins/com.minres.scviewer.e4.application/.settings/org.eclipse.jdt.core.prefs
+++ b/plugins/com.minres.scviewer.e4.application/.settings/org.eclipse.jdt.core.prefs
@ -1,13 +1,15 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
--- a/plugins/com.minres.scviewer.e4.application/META-INF/MANIFEST.MF
+++ b/plugins/com.minres.scviewer.e4.application/META-INF/MANIFEST.MF
@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %Bundle-Name
 Bundle-SymbolicName: com.minres.scviewer.e4.application;singleton:=true
-Bundle-Version: 2.11.0.qualifier
+Bundle-Version: 2.12.1
 Bundle-Vendor: %Bundle-Vendor
 Require-Bundle: javax.inject;bundle-version="1.0.0",
 org.eclipse.core.runtime;bundle-version="3.11.1",
@ -36,7 +36,7 @@ Require-Bundle: javax.inject;bundle-version="1.0.0",
 org.eclipse.equinox.p2.engine;bundle-version="2.6.600",
 org.eclipse.equinox.p2.operations;bundle-version="2.5.700",
 org.eclipse.equinox.p2.metadata.repository;bundle-version="1.3.400"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: com.minres.scviewer.database,
 javax.inject;version="1.0.0"
 Automatic-Module-Name: com.minres.scviewer.e4.application
--- a/plugins/com.minres.scviewer.e4.application/icons/lightbulb_off.png
+++ b/plugins/com.minres.scviewer.e4.application/icons/lightbulb_off.png
--- a/plugins/com.minres.scviewer.e4.application/icons/stream.png
+++ b/plugins/com.minres.scviewer.e4.application/icons/stream.png
--- a/plugins/com.minres.scviewer.e4.application/icons/stream_hier.png
+++ b/plugins/com.minres.scviewer.e4.application/icons/stream_hier.png
--- a/plugins/com.minres.scviewer.e4.application/pom.xml
+++ b/plugins/com.minres.scviewer.e4.application/pom.xml
@ -3,11 +3,10 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>com.minres.scviewer.e4.application</artifactId>
-	<version>2.11.0-SNAPSHOT</version>
 	<parent>
 		<groupId>com.minres.scviewer</groupId>
 		<artifactId>com.minres.scviewer.parent</artifactId>
-		<version>2.11.0</version>
+		<version>2.12.1</version>
 		<relativePath>../..</relativePath>
 	</parent>
 	<packaging>eclipse-plugin</packaging>
--- a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/internal/status/HeapStatus.java
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/internal/status/HeapStatus.java
@ -482,6 +482,7 @@ public class HeapStatus extends Composite {
 				});
 			}
 		};
+		t.setDaemon(true);
 		t.start();
 	}

--- a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/DesignBrowser.java
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/DesignBrowser.java
@ -206,7 +206,7 @@ public class DesignBrowser {
 				updateButtons();
 			}
 		});
-		treeViewer.setLabelProvider(new TxDbLabelProvider());
+		treeViewer.setLabelProvider(new TxDbLabelProvider(true));
 		treeViewer.addFilter(treeAttributeFilter);
 		treeViewer.setUseHashlookup(true);
 		treeViewer.setAutoExpandLevel(2);
@ -252,7 +252,7 @@ public class DesignBrowser {
 				updateButtons();
 			}
 		});
-		txTableViewer.setLabelProvider(new TxDbLabelProvider());
+		txTableViewer.setLabelProvider(new TxDbLabelProvider(false));
 		txTableViewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
 		txTableViewer.addFilter(tableAttributeFilter);
 		txTableViewer.addDoubleClickListener(event -> {
--- a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/FileBrowserDialog.java
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/FileBrowserDialog.java
@ -337,7 +337,11 @@ public class FileBrowserDialog extends TrayDialog {
 			if(f instanceof File) {
 				if(matchers.isEmpty()) return true;
 				for (PathMatcher m : matchers) {
+					try {
 					if(m.matches(((File)f).toPath())) return true;
+					} catch (Exception e) {
+						return false;
+					}
 				}
 			}
 			return false;
--- a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/TransactionList.java
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/TransactionList.java
@ -37,7 +37,6 @@ import com.minres.scviewer.database.IEvent;
 import com.minres.scviewer.database.IWaveform;
 import com.minres.scviewer.database.WaveformType;
 import com.minres.scviewer.database.tx.ITx;
-import com.minres.scviewer.database.tx.ITxAttribute;
 import com.minres.scviewer.database.tx.ITxEvent;
 import com.minres.scviewer.database.ui.TrackEntry;
 import com.minres.scviewer.e4.application.parts.txTableTree.AbstractTransactionTreeContentProvider;
@ -78,6 +77,8 @@ public class TransactionList extends Composite {

 	private TableViewer tableViewer = null; 

+	Thread updateThread = null;
+
 	private TableColumn valueColumn = null;

 	private AttributeLabelProvider valueLabelProvider = null;
@ -86,8 +87,6 @@ public class TransactionList extends Composite {

 	private ObservableList<AttributeNameBean> attrNames = new WritableList<>();

-	private List<ITx> eventList = new ArrayList<>();
-
 	private List<ITx> emptyList = new ArrayList<>();

 	TxFilter txFilter;
@ -244,56 +243,48 @@ public class TransactionList extends Composite {
 		} else if(stream != trackEntry.waveform) { 
 			stream=trackEntry.waveform;
 			tableViewer.setInput(emptyList);
-			new Thread() {
-				private ConcurrentHashMap<String, DataType> propNames=new ConcurrentHashMap<>();
-
-				private List<AttributeNameBean> getEntries() {
-					return propNames.entrySet().stream()
-							.sorted((e1,e2)->e1.getKey().compareTo(e2.getKey()))
-							.map(e -> new AttributeNameBean(e.getKey(), e.getValue()))
-							.collect(Collectors.toList());
-				}
-
-				@Override
-				public void run() {
-					Collection<IEvent[]> values = stream.getEvents().values();
-					eventList = values.parallelStream().map(Arrays::asList)
-							.flatMap(List::stream)
-							.filter(evt -> evt.getKind()==EventKind.BEGIN || evt.getKind()==EventKind.SINGLE)
-							.map(evt-> {
-								ITx tx = ((ITxEvent)evt).getTransaction();
-								for(ITxAttribute attr: tx.getAttributes()) {
-									propNames.put(attr.getName(), attr.getDataType());
-								}
-								return tx;
-							})
-							.sorted((t1, t2)-> t1.getBeginTime().compareTo(t2.getBeginTime()))
-							.collect(Collectors.toList());
-					getDisplay().asyncExec(new Runnable() {
-						@Override
-						public void run() {
-							tableViewer.setInput(eventList);
-							attrNames.clear();
-							attrNames.addAll(getEntries());
-							if(!attrNames.isEmpty())
-								txFilter.setSearchProp(attrNames.get(0).getName(), attrNames.get(0).getType());
-							if (searchPropComboViewer!=null) {
-								searchPropComboViewer.setInput(attrNames);
-								Object sel = searchPropComboViewer.getElementAt(0);
-								if(sel!=null) searchPropComboViewer.setSelection(new StructuredSelection(sel));
-							}
-							tableViewer.refresh(true);
-						}
-					});
-				}
-			}.start();
+			try{
+				if(updateThread!=null)
+					updateThread.interrupt();
+			}catch(SecurityException e){}
+			updateThread = new Thread(()-> {
+				final ConcurrentHashMap<String, DataType> propNames=new ConcurrentHashMap<>();
+				Collection<IEvent[]> values = stream.getEvents().values();
+				final List<ITx> txList = values.parallelStream().map(Arrays::asList)
+						.flatMap(List::stream)
+						.filter(evt -> evt.getKind()==EventKind.BEGIN || evt.getKind()==EventKind.SINGLE)
+						.map(evt-> {
+							ITx tx = ((ITxEvent)evt).getTransaction();
+							tx.getAttributes().forEach(attr -> propNames.put(attr.getName(), attr.getDataType()));
+							return tx;
+						})
+						.sorted((t1, t2)-> t1.getBeginTime().compareTo(t2.getBeginTime()))
+						.collect(Collectors.toList());
+				final List<AttributeNameBean> newAttrNames=propNames.entrySet().stream()
+						.sorted((e1,e2)->e1.getKey().compareTo(e2.getKey()))
+						.map(e -> new AttributeNameBean(e.getKey(), e.getValue()))
+						.collect(Collectors.toList());
+				getDisplay().asyncExec(() -> {
+					tableViewer.setInput(txList);
+					attrNames.clear();
+					attrNames.addAll(newAttrNames);
+					if(!attrNames.isEmpty())
+						txFilter.setSearchProp(attrNames.get(0).getName(), attrNames.get(0).getType());
+					if (searchPropComboViewer!=null)
+						searchPropComboViewer.refresh();
+					if (viewPropComboViewer!=null)
+						viewPropComboViewer.refresh();
+				});
+				updateThread=null;
+			});
+			updateThread.start();
 		}
 	}

 	public void setSearchProps(String propName, DataType type, String propValue) {
-		for(int i=0; i<attrNames.size(); ++i) {
-			AttributeNameBean e = attrNames.get(i);
-			if(propName.equals(e.getName()) && type.equals(e.getType())) {
+		for(int i=0; i<searchPropComboViewer.getCombo().getItemCount(); ++i) {
+			String itemName  = searchPropComboViewer.getCombo().getItem(i);
+			if(propName.equals(itemName)) {
 				searchPropComboViewer.getCombo().select(i);
 				break;
 			}
--- a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/provider/TxDbLabelProvider.java
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/provider/TxDbLabelProvider.java
@ -52,12 +52,17 @@ public class TxDbLabelProvider implements ILabelProvider {
 	/**
 	 * Instantiates a new tx db label provider.
 	 */
-	public TxDbLabelProvider() {
+	public TxDbLabelProvider(boolean isTree) {
 		super();
 		loadinDatabase=ResourceManager.getPluginImage(Constants.PLUGIN_ID, "icons/database_go.png"); //$NON-NLS-1$ //$NON-NLS-2$
 		database=ResourceManager.getPluginImage(Constants.PLUGIN_ID, "icons/database.png"); //$NON-NLS-1$ //$NON-NLS-2$
-		stream=ResourceManager.getPluginImage(Constants.PLUGIN_ID, "icons/stream.png"); //$NON-NLS-1$ //$NON-NLS-2$
 		folder=ResourceManager.getPluginImage(Constants.PLUGIN_ID, "icons/folder.png"); //$NON-NLS-1$ //$NON-NLS-2$
+		if(isTree) {
+			stream=ResourceManager.getPluginImage(Constants.PLUGIN_ID, "icons/stream_hier.png"); //$NON-NLS-1$ //$NON-NLS-2$
+		} else {
+			stream=ResourceManager.getPluginImage(Constants.PLUGIN_ID, "icons/stream.png"); //$NON-NLS-1$ //$NON-NLS-2$
+			
+		}
 		signal=ResourceManager.getPluginImage(Constants.PLUGIN_ID, "icons/signal.png"); //$NON-NLS-1$ //$NON-NLS-2$
 		wave=ResourceManager.getPluginImage(Constants.PLUGIN_ID, "icons/wave.png"); //$NON-NLS-1$ //$NON-NLS-2$
 	}
@ -134,7 +139,7 @@ public class TxDbLabelProvider implements ILabelProvider {
 			case FILTER:
 				break;
 			case SIGNAL:
-				if(((IWaveform) element).getWidth()==1)
+				if(((IWaveform) element).getRowCount()==1)
 					return signal;
 				else 
 					return wave;
@ -159,7 +164,13 @@ public class TxDbLabelProvider implements ILabelProvider {
 	 */
 	@Override
 	public String getText(Object element) {
-		return ((IHierNode)element).getName();
+		if(element instanceof IWaveformDb){
+			IWaveformDb db = (IWaveformDb) element;
+			if(db.getName()== null)
+				return "";
+			return db.getName()+(db.isLoaded()?"":" (loading)");
+		} else
+			return ((IHierNode)element).getName();
 	}

 }
--- a/plugins/com.minres.scviewer.ui/.classpath
+++ b/plugins/com.minres.scviewer.ui/.classpath
@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src/"/>
-	<classpathentry kind="con" path="GROOVY_DSL_SUPPORT"/>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>
--- a/plugins/com.minres.scviewer.ui/.project
+++ b/plugins/com.minres.scviewer.ui/.project
@ -33,7 +33,6 @@
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.m2e.core.maven2Nature</nature>
-		<nature>org.eclipse.jdt.groovy.core.groovyNature</nature>
 		<nature>org.eclipse.pde.PluginNature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 	</natures>
--- a/plugins/com.minres.scviewer.ui/.settings/org.eclipse.jdt.core.prefs
+++ b/plugins/com.minres.scviewer.ui/.settings/org.eclipse.jdt.core.prefs
@ -1,13 +1,15 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
--- a/plugins/com.minres.scviewer.ui/META-INF/MANIFEST.MF
+++ b/plugins/com.minres.scviewer.ui/META-INF/MANIFEST.MF
@ -18,7 +18,7 @@ Require-Bundle: com.minres.scviewer.database;bundle-version="1.0.0",
 org.eclipse.osgi,
 org.eclipse.core.expressions;bundle-version="3.4.600",
 org.eclipse.jface
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-ActivationPolicy: lazy
 Import-Package: com.google.common.collect
 Service-Component: OSGI-INF/component.xml
--- a/plugins/com.minres.scviewer.ui/pom.xml
+++ b/plugins/com.minres.scviewer.ui/pom.xml
@ -4,7 +4,7 @@
  <parent>
  	<groupId>com.minres.scviewer</groupId>
  	<artifactId>com.minres.scviewer.parent</artifactId>
-  	<version>2.11.0</version>
+  	<version>2.12.1</version>
 	<relativePath>../..</relativePath>
  </parent>
  <packaging>eclipse-plugin</packaging>
--- a/plugins/com.minres.scviewer.ui/src/com/minres/scviewer/ui/views/provider/TxDbTreeLabelProvider.java
+++ b/plugins/com.minres.scviewer.ui/src/com/minres/scviewer/ui/views/provider/TxDbTreeLabelProvider.java
@ -77,7 +77,7 @@ public class TxDbTreeLabelProvider implements ILabelProvider {
 			case FILTER:
 				break;
 			case SIGNAL:
-				if(((IWaveform) element).getWidth()==1)
+				if(((IWaveform) element).getRowCount()==1)
 					return signal;
 				else 
 					return wave;
--- a/pom.xml
+++ b/pom.xml
@ -4,10 +4,10 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.minres.scviewer</groupId>
 	<artifactId>com.minres.scviewer.parent</artifactId>
-	<version>2.11.0</version>
+	<version>2.12.1</version>
 	<packaging>pom</packaging>
 	<modules>
-		<module>com.minres.scviewer.target</module>
+		<module>releng/com.minres.scviewer.target</module>
 		<module>plugins/com.minres.scviewer.database</module>
 		<module>plugins/com.minres.scviewer.database.sqlite</module>
 		<module>plugins/com.minres.scviewer.database.text</module>
@ -21,13 +21,11 @@
 		<module>features/com.minres.scviewer.feature</module>
 		<module>features/com.minres.scviewer.e4.platform.feature</module>
 		<module>features/com.minres.scviewer.e4.feature</module>
-		<module>p2repositories//com.minres.scviewer.updateSite</module>
+		<module>releng/com.minres.scviewer.updateSite</module>
 		<module>products/com.minres.scviewer.e4.product</module>
-		<module>products/com.minres.scviewer.e4.product_slim</module>
 	</modules>

 	<properties>
-		<project-version>2.11.0-SNAPSHOT</project-version>
 		<tycho-version>1.5.0</tycho-version>
 		<groovy-eclipse-compiler-version>3.6.0-03</groovy-eclipse-compiler-version>
 		<groovy-eclipse-batch-version>3.0.3-01</groovy-eclipse-batch-version>
@ -35,6 +33,19 @@

 	<build>
 		<plugins>
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>build-helper-maven-plugin</artifactId>
+				<version>3.2.0</version>
+				<executions>
+					<execution>
+						<id>parse-version</id>
+						<goals>
+							<goal>parse-version</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
 			<plugin>
 				<groupId>org.eclipse.tycho</groupId>
 				<artifactId>tycho-maven-plugin</artifactId>
@ -56,7 +67,7 @@
 						<artifact>
 							<groupId>com.minres.scviewer</groupId>
 							<artifactId>com.minres.scviewer.target</artifactId>
-							<version>2.11.0</version>
+							<version>2.12.1</version>
 						</artifact>
 					</target>
 					<environments>
--- a/products/com.minres.scviewer.e4.product/pom.xml
+++ b/products/com.minres.scviewer.e4.product/pom.xml
@ -6,11 +6,11 @@
 	<parent>
 		<groupId>com.minres.scviewer</groupId>
 		<artifactId>com.minres.scviewer.parent</artifactId>
-		<version>2.11.0</version>
+		<version>2.12.1</version>
 		<relativePath>../..</relativePath>
 	</parent>
 	<artifactId>com.minres.scviewer.e4.product</artifactId>
-  	<version>2.11.0-SNAPSHOT</version>
+  	<version>2.12.1</version>
 	<packaging>eclipse-repository</packaging>
 	<groupId>com.minres.scviewer</groupId>
 	<build>
@ -46,7 +46,7 @@
 					<products>
 						<product>
 							<id>product</id>
-							<archiveFileName>SCViewer-${project.version}</archiveFileName>
+							<archiveFileName>SCViewer-${parsedVersion.majorVersion}.${parsedVersion.minorVersion}.${parsedVersion.incrementalVersion}</archiveFileName>
 							<rootFolders>
 								<macosx>SCViewer.app</macosx>
 							</rootFolders>
--- a/products/com.minres.scviewer.e4.product/scviewer.product
+++ b/products/com.minres.scviewer.e4.product/scviewer.product
@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?pde version="3.5"?>

-<product name="SCViewer" uid="product" id="com.minres.scviewer.e4.application.product" application="org.eclipse.e4.ui.workbench.swt.E4Application" version="2.11.0.qualifier" useFeatures="true" includeLaunchers="true">
+<product name="SCViewer" uid="product" id="com.minres.scviewer.e4.application.product" application="org.eclipse.e4.ui.workbench.swt.E4Application" version="2.12.1" useFeatures="true" includeLaunchers="true">

   <configIni use="default">
   </configIni>
@ -9,7 +9,7 @@
   <launcherArgs>
      <programArgs>-clearPersistedState
      </programArgs>
-      <vmArgs>-Xmx2G -Dosgi.instance.area=@user.home/.scviewer -Dosgi.instance.area.default=@user.home/.scviewer
+      <vmArgs>-Xms64m -Xmx2G -Dosgi.instance.area=@user.home/.scviewer -Dosgi.instance.area.default=@user.home/.scviewer --add-modules=ALL-SYSTEM -Dfile.encoding=UTF-8
      </vmArgs>
      <vmArgsMac>-XstartOnFirstThread -Dorg.eclipse.swt.internal.carbon.smallFonts
      </vmArgsMac>
@ -34,9 +34,9 @@
   </launcher>

   <vm>
-      <linux include="false">org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8</linux>
-      <macos include="false">org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8</macos>
-      <windows include="false">org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8</windows>
+      <linux include="true">org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11</linux>
+      <macos include="true">org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11</macos>
+      <windows include="true">org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11</windows>
   </vm>

   <license>
--- a/products/com.minres.scviewer.e4.product_slim/.gitignore
+++ b/products/com.minres.scviewer.e4.product_slim/.gitignore
@ -1 +0,0 @@
-/target/
--- a/products/com.minres.scviewer.e4.product_slim/.project
+++ b/products/com.minres.scviewer.e4.product_slim/.project
@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>com.minres.scviewer.e4.product_slim</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-	</buildSpec>
-	<natures>
-	</natures>
-</projectDescription>
--- a/products/com.minres.scviewer.e4.product_slim/icons/SCViewer.icns
+++ b/products/com.minres.scviewer.e4.product_slim/icons/SCViewer.icns
--- a/products/com.minres.scviewer.e4.product_slim/icons/SCViewer.ico
+++ b/products/com.minres.scviewer.e4.product_slim/icons/SCViewer.ico
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Eyck Jentzsch	4ee2e8bc68	Merge branch 'release/2.12.1'	2021-02-18 08:19:16 +00:00
Eyck Jentzsch	bdcba613d5	fix version numbers	2021-02-18 08:18:47 +00:00
Eyck Jentzsch	049de0ddaf	add VM arguments for Java > 9	2021-02-18 08:14:12 +00:00
Eyck Jentzsch	6be3f378d4	renmove deprecated newInstance call	2021-02-18 06:32:14 +00:00
Eyck Jentzsch	6d8aa33fc9	update language level	2021-02-18 06:26:42 +00:00
Eyck Jentzsch	b37ba9f2f1	Merge branch 'master' into develop	2021-02-17 21:15:33 +00:00
Eyck Jentzsch	799f083a74	fix hierarchy display	2021-02-17 21:14:28 +00:00
Eyck Jentzsch	156abe63cd	fix display bug	2021-02-17 20:27:58 +00:00
Eyck Jentzsch	d38016a03f	fix display bug	2021-02-17 20:24:25 +00:00
Eyck Jentzsch	5604c3ee5e	Merge branch 'release/2.12.0'	2021-01-15 16:50:33 +01:00
Eyck Jentzsch	5adeae15a9	change name of generated product artifacts	2021-01-15 15:52:28 +01:00
Eyck Jentzsch	bca94ceb9d	fix stream row calculation	2021-01-15 15:51:59 +01:00
Eyck Jentzsch	a42f086339	set max heap to 2GB by default	2021-01-14 23:56:04 +01:00
Eyck Jentzsch	888edf32be	remove ITxGenerator interface	2021-01-14 23:55:47 +01:00
Eyck Jentzsch	ee5536f1b5	update version numbers	2021-01-14 23:51:18 +01:00
Eyck Jentzsch	59859e5d90	cache some more infos for stream	2021-01-14 23:36:29 +01:00
Eyck Jentzsch	5bae086712	fix (Sonarlint) warnings	2021-01-14 23:36:07 +01:00
Eyck Jentzsch	16de83616a	adapt ui to database API	2021-01-14 23:14:22 +01:00
Eyck Jentzsch	6530362b89	refactor tests	2021-01-14 23:14:05 +01:00
Eyck Jentzsch	0372e03abb	minor database API change	2021-01-14 23:13:11 +01:00
Eyck Jentzsch	26e8ea8a51	change design browser icons	2021-01-14 21:57:27 +01:00
Eyck Jentzsch	efd042dd22	fix duplicate version numbers	2021-01-12 20:28:51 +01:00
Eyck Jentzsch	d06642d51f	Merge branch 'release/2.11.2' into develop	2021-01-12 20:25:46 +01:00
Eyck Jentzsch	f27bcd7109	Merge branch 'release/2.11.2'	2021-01-12 20:25:45 +01:00
Eyck Jentzsch	eaea5a4653	update version numbers	2021-01-12 20:25:34 +01:00
Eyck Jentzsch	fa4bd0ddd5	move database to hashmap	2021-01-12 11:46:21 +01:00
Eyck Jentzsch	3cbbdbee92	reduce default JVM heap size	2021-01-12 11:30:59 +01:00
Eyck Jentzsch	d674e155e1	fix wrong name extraction	2021-01-12 11:30:37 +01:00
Eyck Jentzsch	cb3366a559	fix project setup	2021-01-12 07:36:41 +01:00
Eyck Jentzsch	8de0e11226	Merge branch 'release/2.11.1'	2021-01-12 07:36:02 +01:00
Eyck Jentzsch	b12232329b	Merge branch 'release/2.11.1' into develop	2021-01-12 07:36:02 +01:00
Eyck Jentzsch	5e63972500	update version numbers	2021-01-12 07:34:36 +01:00
Eyck Jentzsch	d53db967b3	Merge branch 'hotfix/tx_end_time_fix' into develop	2021-01-12 07:18:25 +01:00
Eyck Jentzsch	12b08ca8c6	fix version numbers to adhere to eclipse versioning	2021-01-10 16:26:46 +01:00
Eyck Jentzsch	bb60f3a9c8	fix bintray repo layout	2021-01-10 15:27:40 +01:00
Eyck Jentzsch	ba347a258d	refactor structure	2021-01-10 14:40:25 +01:00
Eyck Jentzsch	ac41feff6e	cleanup	2021-01-10 14:34:12 +01:00
Eyck Jentzsch	d2cf13d64b	Merge branch 'release/2.11.0' into develop	2021-01-10 13:37:39 +01:00