Added support for VCD Database

com.minres.scviewer.database.sqlite/META-INF/MANIFEST.MF

@@ -12,3 +12,5 @@ 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
+Export-Package: com.minres.scviewer.database.sqlite
+Bundle-ActivationPolicy: lazy

com.minres.scviewer.database.sqlite/OSGI-INF/component.xml

@@ -2,6 +2,6 @@
 <scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" name="SQLiteDbFactory">
    <implementation class="com.minres.scviewer.database.sqlite.SQLiteDbFactory"/>
    <service>
-      <provide interface="com.minres.scviewer.database.ITransactionDbFactory"/>
+      <provide interface="com.minres.scviewer.database.IWaveformDbFactory"/>
    </service>
 </scr:component>

com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/SQLiteDb.java

@@ -9,23 +9,25 @@ import java.util.HashMap;
 import java.util.List;
 
 import com.minres.scviewer.database.EventTime;
-import com.minres.scviewer.database.ITrAttribute;
+import com.minres.scviewer.database.HierNode;
-import com.minres.scviewer.database.ITrDb;
+import com.minres.scviewer.database.IWaveformDb;
-import com.minres.scviewer.database.ITrHierNode;
+import com.minres.scviewer.database.IHierNode;
-import com.minres.scviewer.database.ITrStream;
+import com.minres.scviewer.database.ITxStream;
+import com.minres.scviewer.database.IWaveform;
 import com.minres.scviewer.database.InputFormatException;
 import com.minres.scviewer.database.RelationType;
 import com.minres.scviewer.database.sqlite.db.IDatabase;
+import com.minres.scviewer.database.sqlite.db.SQLiteDatabase;
 import com.minres.scviewer.database.sqlite.db.SQLiteDatabaseSelectHandler;
 import com.minres.scviewer.database.sqlite.tables.ScvSimProps;
 import com.minres.scviewer.database.sqlite.tables.ScvStream;
 import com.minres.scviewer.database.sqlite.tables.ScvTxEvent;
 
-public class SQLiteDb extends HierNode implements ITrDb {
+public class SQLiteDb extends HierNode implements IWaveformDb {
 
 	protected IDatabase database;
 	
-	protected List<ITrStream> streams;
+	protected List<IWaveform> streams;
 
 	long timeResolution=1;
 
@@ -55,13 +57,13 @@ public class SQLiteDb extends HierNode implements ITrDb {
 	}
 
 	@Override
-	public List<ITrStream> getAllStreams() {
+	public List<IWaveform> getAllWaves() {
 		if(streams==null){
 			SQLiteDatabaseSelectHandler<ScvStream> handler = new SQLiteDatabaseSelectHandler<ScvStream>(ScvStream.class, database);
-			streams=new ArrayList<ITrStream>();
+			streams=new ArrayList<IWaveform>();
 			try {
 				for(ScvStream scvStream:handler.selectObjects()){
-					streams.add(new Stream(this, scvStream));
+					streams.add(new TxStream(this, scvStream));
 				}
 			} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
 					| InvocationTargetException | SQLException | IntrospectionException e) {
@@ -83,7 +85,7 @@ public class SQLiteDb extends HierNode implements ITrDb {
 				| InvocationTargetException | SQLException | IntrospectionException e) {
 			e.printStackTrace();
 		}
-		addHierarchyNodes();
+		buildHierarchyNodes();
 	}
 
 	@Override
@@ -92,31 +94,27 @@ public class SQLiteDb extends HierNode implements ITrDb {
 	}
 
 	@Override
-	public ITrStream getStreamByName(String name) {
+	public IWaveform getStreamByName(String name) {
-		 for (ITrStream n : getAllStreams()) {
+		for (IWaveform n : getAllWaves())
-		        if (n.getName().equals(name)) {
+			if (n.getName().equals(name))
-		            return n;
+				return n;
-		        }
-		    }
 		return null;
 	}
 
-	public ITrStream getStreamById(long id) {
+	public ITxStream getStreamById(long id) {
-		 for (ITrStream n : getAllStreams()) {
+		for (IWaveform n : getAllWaves()) 
-		        if (n.getId().equals(id)) {
+			if (n.getId().equals(id))
-		            return n;
+				return (ITxStream) n;
-		        }
-		    }
 		return null;
 	}
 
-	private void addHierarchyNodes() throws InputFormatException{
+	private void buildHierarchyNodes() throws InputFormatException{
-		for(ITrStream stream:getAllStreams()){
+		for(IWaveform stream:getAllWaves()){
 			String[] hier = stream.getFullName().split("\\./");
-			ITrHierNode node = this;
+			IHierNode node = this;
 			for(String name:hier){
-				ITrHierNode n1 = null;
+				IHierNode n1 = null;
-				 for (ITrHierNode n : node.getChildNodes()) {
+				 for (IHierNode n : node.getChildNodes()) {
 				        if (n.getName().equals(name)) {
 				            n1=n;
 				            break;

com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/SQLiteDbFactory.java

@@ -3,10 +3,10 @@ package com.minres.scviewer.database.sqlite;
 import java.io.File;
 import java.io.FileInputStream;
 
-import com.minres.scviewer.database.ITrDb;
+import com.minres.scviewer.database.IWaveformDb;
-import com.minres.scviewer.database.ITransactionDbFactory;
+import com.minres.scviewer.database.IWaveformDbFactory;
 
-public class SQLiteDbFactory implements ITransactionDbFactory {
+public class SQLiteDbFactory implements IWaveformDbFactory {
 
 	private byte[] x = "SQLite format 3".getBytes();
 
@@ -14,7 +14,7 @@ public class SQLiteDbFactory implements ITransactionDbFactory {
 	}
 
 	@Override
-	public ITrDb createDatabase(File file) {
+	public IWaveformDb createDatabase(File file) {
 		try {
 			FileInputStream fis = new FileInputStream(file);
 			byte[] buffer = new byte[x.length];

com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/Tx.java

@@ -9,27 +9,27 @@ import java.util.List;
 
 import com.minres.scviewer.database.AssociationType;
 import com.minres.scviewer.database.EventTime;
-import com.minres.scviewer.database.ITrAttribute;
+import com.minres.scviewer.database.ITxAttribute;
-import com.minres.scviewer.database.ITrGenerator;
+import com.minres.scviewer.database.ITxGenerator;
-import com.minres.scviewer.database.ITrRelation;
+import com.minres.scviewer.database.ITxRelation;
-import com.minres.scviewer.database.ITrStream;
+import com.minres.scviewer.database.ITxStream;
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 import com.minres.scviewer.database.sqlite.db.SQLiteDatabaseSelectHandler;
 import com.minres.scviewer.database.sqlite.tables.ScvTx;
 import com.minres.scviewer.database.sqlite.tables.ScvTxAttribute;
 import com.minres.scviewer.database.sqlite.tables.ScvTxEvent;
 import com.minres.scviewer.database.sqlite.tables.ScvTxRelation;
 
-public class Transaction implements ITransaction {
+public class Tx implements ITx {
 
-	private Stream trStream;
+	private TxStream trStream;
-	private Generator trGenerator;
+	private TxGenerator trGenerator;
 	private ScvTx scvTx;
-	private List<ITrAttribute> attributes;
+	private List<ITxAttribute> attributes;
 	private EventTime begin, end;
-	private  List<ITrRelation> incoming, outgoing;
+	private  List<ITxRelation> incoming, outgoing;
 	
-	public Transaction(Stream trStream, Generator trGenerator, ScvTx scvTx) {
+	public Tx(TxStream trStream, TxGenerator trGenerator, ScvTx scvTx) {
 		this.trStream=trStream;
 		this.trGenerator=trGenerator;
 		this.scvTx=scvTx;
@@ -41,12 +41,12 @@ public class Transaction implements ITransaction {
 	}
 
 	@Override
-	public ITrStream getStream() {
+	public ITxStream getStream() {
 		return trStream;
 	}
 
 	@Override
-	public ITrGenerator getGenerator() {
+	public ITxGenerator getGenerator() {
 		return trGenerator;
 	}
 
@@ -83,14 +83,14 @@ public class Transaction implements ITransaction {
 	}
 
 	@Override
-	public List<ITrAttribute> getAttributes() {
+	public List<ITxAttribute> getAttributes() {
 		if(attributes==null){
 			SQLiteDatabaseSelectHandler<ScvTxAttribute> handler = new SQLiteDatabaseSelectHandler<ScvTxAttribute>(
 					ScvTxAttribute.class, trStream.getDb().getDb(), "tx="+scvTx.getId());
 			try {
-				attributes = new ArrayList<ITrAttribute>();
+				attributes = new ArrayList<ITxAttribute>();
 				for(ScvTxAttribute scvAttribute:handler.selectObjects()){
-					attributes.add(new Attribute(this, scvAttribute));
+					attributes.add(new TxAttribute(this, scvAttribute));
 					
 				}
 			} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
@@ -101,12 +101,12 @@ public class Transaction implements ITransaction {
 	}
 
 	@Override
-	public Collection<ITrRelation> getIncomingRelations() {
+	public Collection<ITxRelation> getIncomingRelations() {
 		if(incoming==null){
 			SQLiteDatabaseSelectHandler<ScvTxRelation> handler = new SQLiteDatabaseSelectHandler<ScvTxRelation>(
 					ScvTxRelation.class, trStream.getDb().getDb(), "sink="+scvTx.getId());
 			try {
-				incoming = new ArrayList<ITrRelation>();
+				incoming = new ArrayList<ITxRelation>();
 				for(ScvTxRelation scvRelation:handler.selectObjects()){
 					incoming.add(createRelation(scvRelation, false));
 				}
@@ -118,12 +118,12 @@ public class Transaction implements ITransaction {
 	}
 
 	@Override
-	public Collection<ITrRelation> getOutgoingRelations() {
+	public Collection<ITxRelation> getOutgoingRelations() {
 		if(outgoing==null){
 			SQLiteDatabaseSelectHandler<ScvTxRelation> handler = new SQLiteDatabaseSelectHandler<ScvTxRelation>(
 					ScvTxRelation.class, trStream.getDb().getDb(), "src="+scvTx.getId());
 			try {
-				outgoing = new ArrayList<ITrRelation>();
+				outgoing = new ArrayList<ITxRelation>();
 				for(ScvTxRelation scvRelation:handler.selectObjects()){
 					outgoing.add(createRelation(scvRelation, true));
 				}
@@ -134,17 +134,17 @@ public class Transaction implements ITransaction {
 		return outgoing;
 	}
 
-	private ITrRelation createRelation(ScvTxRelation rel, boolean outgoing) {
+	private ITxRelation createRelation(ScvTxRelation rel, boolean outgoing) {
 		long otherId = outgoing?rel.getSink():rel.getSrc();
 		try {
 			List<ScvTx> scvTx=new SQLiteDatabaseSelectHandler<ScvTx>(ScvTx.class, trStream.getDb().getDb(), "id="+otherId).selectObjects();
 			assert(scvTx.size()==1);
-			ITrStream stream = trStream.getDb().getStreamById(scvTx.get(0).getStream());
+			ITxStream stream = trStream.getDb().getStreamById(scvTx.get(0).getStream());
-			Transaction that=(Transaction) stream.getTransactionById(otherId);
+			Tx that=(Tx) stream.getTransactionById(otherId);
 			if(outgoing)
-				return new Relation(trStream.getDb().getRelationType(rel.getName()), this, that);
+				return new TxRelation(trStream.getDb().getRelationType(rel.getName()), this, that);
 			else
-				return new Relation(trStream.getDb().getRelationType(rel.getName()), that, this);
+				return new TxRelation(trStream.getDb().getRelationType(rel.getName()), that, this);
 		} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
 				| InvocationTargetException | SQLException | IntrospectionException e) {
 		}

com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxAttribute.java

@@ -2,15 +2,15 @@ package com.minres.scviewer.database.sqlite;
 
 import com.minres.scviewer.database.AssociationType;
 import com.minres.scviewer.database.DataType;
-import com.minres.scviewer.database.ITrAttribute;
+import com.minres.scviewer.database.ITxAttribute;
 import com.minres.scviewer.database.sqlite.tables.ScvTxAttribute;
 
-public class Attribute implements ITrAttribute{
+public class TxAttribute implements ITxAttribute{
 
-	Transaction trTransaction;
+	Tx trTransaction;
 	ScvTxAttribute scvAttribute;
 	
-	public Attribute(Transaction trTransaction, ScvTxAttribute scvAttribute) {
+	public TxAttribute(Tx trTransaction, ScvTxAttribute scvAttribute) {
 		this.trTransaction=trTransaction;
 		this.scvAttribute=scvAttribute;
 	}

com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxGenerator.java

@@ -2,16 +2,16 @@ package com.minres.scviewer.database.sqlite;
 
 import java.util.List;
 
-import com.minres.scviewer.database.ITrGenerator;
+import com.minres.scviewer.database.ITxGenerator;
-import com.minres.scviewer.database.ITrStream;
+import com.minres.scviewer.database.ITxStream;
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 import com.minres.scviewer.database.sqlite.tables.ScvGenerator;
 
-public class Generator implements ITrGenerator {
+public class TxGenerator implements ITxGenerator {
 
-	private ITrStream  stream;
+	private ITxStream  stream;
 	private ScvGenerator scvGenerator;
-	public Generator(ITrStream  stream, ScvGenerator scvGenerator) {
+	public TxGenerator(ITxStream  stream, ScvGenerator scvGenerator) {
 		this.stream=stream;
 		this.scvGenerator=scvGenerator;
 	}
@@ -22,7 +22,7 @@ public class Generator implements ITrGenerator {
 	}
 
 	@Override
-	public ITrStream getStream() {
+	public ITxStream getStream() {
 		return stream;
 	}
 
@@ -32,7 +32,7 @@ public class Generator implements ITrGenerator {
 	}
 
 	@Override
-	public List<ITransaction> getTransactions() {
+	public List<ITx> getTransactions() {
 		return null;
 	}
 

com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxRelation.java

@@ -1,15 +1,15 @@
 package com.minres.scviewer.database.sqlite;
 
-import com.minres.scviewer.database.ITrRelation;
+import com.minres.scviewer.database.ITxRelation;
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 import com.minres.scviewer.database.RelationType;
 
-public class Relation implements ITrRelation {
+public class TxRelation implements ITxRelation {
 
 	RelationType relationType;
-	Transaction source, target;
+	Tx source, target;
 
-	public Relation(RelationType relationType, Transaction source, Transaction target) {
+	public TxRelation(RelationType relationType, Tx source, Tx target) {
 		this.source = source;
 		this.target = target;
 		this.relationType = relationType;
@@ -21,12 +21,12 @@ public class Relation implements ITrRelation {
 	}
 
 	@Override
-	public ITransaction getSource() {
+	public ITx getSource() {
 		return source;
 	}
 
 	@Override
-	public ITransaction getTarget() {
+	public ITx getTarget() {
 		return target;
 	}
 

com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxStream.java

@@ -4,29 +4,31 @@ import java.beans.IntrospectionException;
 import java.lang.reflect.InvocationTargetException;
 import java.sql.SQLException;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 
-import com.minres.scviewer.database.ITrDb;
+import com.minres.scviewer.database.HierNode;
-import com.minres.scviewer.database.ITrGenerator;
+import com.minres.scviewer.database.ITxGenerator;
-import com.minres.scviewer.database.ITrStream;
+import com.minres.scviewer.database.ITxStream;
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 import com.minres.scviewer.database.sqlite.db.SQLiteDatabaseSelectHandler;
 import com.minres.scviewer.database.sqlite.tables.ScvGenerator;
 import com.minres.scviewer.database.sqlite.tables.ScvStream;
 import com.minres.scviewer.database.sqlite.tables.ScvTx;
 
-public class Stream extends HierNode implements ITrStream {
+public class TxStream extends HierNode implements ITxStream {
 
 	private String fullName;
+	
 	private SQLiteDb db;
+	
 	private ScvStream scvStream;
-	private HashMap<Integer, Generator> generators;
 	
-	private List<ITransaction> transactions;
+	private HashMap<Integer, TxGenerator> generators;
 	
-	public Stream(SQLiteDb trSQLiteDb, ScvStream scvStream) {
+	private List<ITx> transactions;
+	
+	public TxStream(SQLiteDb trSQLiteDb, ScvStream scvStream) {
 		super(scvStream.getName());
 		fullName=scvStream.getName();
 		this.scvStream=scvStream;
@@ -54,33 +56,33 @@ public class Stream extends HierNode implements ITrStream {
 	}
 
 	@Override
-	public List<ITrGenerator> getGenerators() {
+	public List<ITxGenerator> getGenerators() {
 		if(generators==null){
 			SQLiteDatabaseSelectHandler<ScvGenerator> handler = new SQLiteDatabaseSelectHandler<ScvGenerator>(
 					ScvGenerator.class, db.getDb(), "stream="+scvStream.getId());
-			generators=new HashMap<Integer, Generator>();
+			generators=new HashMap<Integer, TxGenerator>();
 			try {
 				for(ScvGenerator scvGenerator:handler.selectObjects()){
-					generators.put(scvGenerator.getId(), new Generator(this, scvGenerator));
+					generators.put(scvGenerator.getId(), new TxGenerator(this, scvGenerator));
 				}
 			} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
 					| InvocationTargetException | SQLException | IntrospectionException e) {
 				e.printStackTrace();
 			}
 		}
-		return new ArrayList<ITrGenerator>(generators.values());
+		return new ArrayList<ITxGenerator>(generators.values());
 	}
 
 	@Override
-	public List<ITransaction> getTransactions() {
+	public List<ITx> getTransactions() {
 		checkTransactions();
 		return transactions;
 	}
 
 	@Override
-	public ITransaction getTransactionById(long id) {
+	public ITx getTransactionById(long id) {
 		checkTransactions();
-		for(ITransaction trans:transactions){
+		for(ITx trans:transactions){
 			if(trans.getId()==id)
 				return trans;
 		}
@@ -92,10 +94,10 @@ public class Stream extends HierNode implements ITrStream {
 			if(generators==null) getGenerators();
 			SQLiteDatabaseSelectHandler<ScvTx> handler = new SQLiteDatabaseSelectHandler<ScvTx>(ScvTx.class, db.getDb(),
 					"stream="+scvStream.getId());
-			transactions=new ArrayList<ITransaction>();
+			transactions=new ArrayList<ITx>();
 			try {
 				for(ScvTx scvTx:handler.selectObjects()){
-					transactions.add(new Transaction(this, generators.get(scvTx.getGenerator()), scvTx));
+					transactions.add(new Tx(this, generators.get(scvTx.getGenerator()), scvTx));
 				}
 			} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
 					| InvocationTargetException | SQLException | IntrospectionException e) {

com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/db/SQLiteDatabase.java

@@ -1,4 +1,4 @@
-package com.minres.scviewer.database.sqlite;
+package com.minres.scviewer.database.sqlite.db;
 
 import java.sql.Connection;
 import java.sql.DriverManager;
@@ -7,8 +7,6 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
 
-import com.minres.scviewer.database.sqlite.db.IDatabase;
-
 public class SQLiteDatabase implements IDatabase {
 
 	protected String dbFileName;

com.minres.scviewer.database.test/.classpath

@@ -0,0 +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-1.7"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

com.minres.scviewer.database.test/.gitignore

@@ -0,0 +1 @@
+/bin/

com.minres.scviewer.database.test/.project

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>com.minres.scviewer.database.test</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>

com.minres.scviewer.database.test/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding//src/com/minres/scviewer/database/test/DatabaseServicesTest.java=UTF-8

com.minres.scviewer.database.test/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,7 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.7

com.minres.scviewer.database.test/.settings/org.eclipse.pde.core.prefs

@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+pluginProject.extensions=false
+resolve.requirebundle=false

com.minres.scviewer.database.test/META-INF/MANIFEST.MF

@@ -0,0 +1,11 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: SCViewer database tests
+Bundle-SymbolicName: com.minres.scviewer.database.test
+Bundle-Version: 1.0.0.qualifier
+Bundle-Vendor: MINRES Technologies GnbH
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
+Require-Bundle: org.junit,
+ com.minres.scviewer.database
+Service-Component: OSGI-INF/component.xml
+Bundle-ActivationPolicy: lazy

com.minres.scviewer.database.test/OSGI-INF/component.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" name="com.minres.scviewer.database.test">
+   <implementation class="com.minres.scviewer.database.test.DatabaseServicesTest"/>
+   <reference bind="bind" cardinality="1..n" interface="com.minres.scviewer.database.IWaveformDbFactory" name="IWaveformDbFactory" policy="dynamic" unbind="unbind"/>
+</scr:component>

com.minres.scviewer.database.test/build.properties

@@ -0,0 +1,5 @@
+output.. = bin/
+bin.includes = META-INF/,\
+               .,\
+               OSGI-INF/component.xml
+source.. = src/

com.minres.scviewer.database.test/inputs/my_db.txlog

@@ -0,0 +1,254 @@
+scv_tr_stream (ID 1, name "pipelined_stream", kind "transactor")
+scv_tr_stream (ID 2, name "addr_stream", kind "transactor")
+scv_tr_stream (ID 3, name "data_stream", kind "transactor")
+scv_tr_generator (ID 4, name "read", scv_tr_stream 1,
+begin_attribute (ID 0, name "addr", type "UNSIGNED")
+end_attribute (ID 1, name "data", type "UNSIGNED")
+)
+scv_tr_generator (ID 5, name "write", scv_tr_stream 1,
+begin_attribute (ID 0, name "addr", type "UNSIGNED")
+end_attribute (ID 1, name "data", type "UNSIGNED")
+)
+scv_tr_generator (ID 6, name "addr", scv_tr_stream 2,
+begin_attribute (ID 0, name "addr", type "UNSIGNED")
+)
+scv_tr_generator (ID 7, name "rdata", scv_tr_stream 3,
+end_attribute (ID 0, name "data", type "UNSIGNED")
+)
+scv_tr_generator (ID 8, name "wdata", scv_tr_stream 3,
+begin_attribute (ID 0, name "data", type "UNSIGNED")
+)
+tx_begin 1 4 0 s
+a 0
+tx_record_attribute 1 "data_size" UNSIGNED = 24
+tx_begin 2 6 0 s
+a 0
+tx_relation "addr_phase" 2 1
+tx_end 2 6 180 ns
+tx_begin 3 7 180 ns
+tx_relation "data_phase" 3 1
+tx_begin 4 4 180 ns
+a 0
+tx_record_attribute 4 "data_size" UNSIGNED = 24
+tx_begin 5 6 180 ns
+a 0
+tx_relation "addr_phase" 5 4
+tx_end 5 6 300 ns
+tx_end 3 7 420 ns
+a 0
+tx_end 1 4 420 ns
+a 0
+tx_begin 6 4 420 ns
+a 1
+tx_record_attribute 6 "data_size" UNSIGNED = 24
+tx_begin 7 6 420 ns
+a 1
+tx_relation "addr_phase" 7 6
+tx_begin 8 7 420 ns
+tx_relation "data_phase" 8 4
+tx_end 7 6 480 ns
+tx_end 8 7 620 ns
+a 0
+tx_end 4 4 620 ns
+a 0
+tx_begin 9 4 620 ns
+a 1
+tx_record_attribute 9 "data_size" UNSIGNED = 24
+tx_begin 10 6 620 ns
+a 1
+tx_relation "addr_phase" 10 9
+tx_begin 11 7 620 ns
+tx_relation "data_phase" 11 6
+tx_end 11 7 700 ns
+a 1
+tx_end 6 4 700 ns
+a 1
+tx_end 10 6 760 ns
+tx_begin 12 7 760 ns
+tx_relation "data_phase" 12 9
+tx_begin 13 4 760 ns
+a 2
+tx_record_attribute 13 "data_size" UNSIGNED = 24
+tx_begin 14 6 760 ns
+a 2
+tx_relation "addr_phase" 14 13
+tx_end 14 6 880 ns
+tx_end 12 7 980 ns
+a 1
+tx_end 9 4 980 ns
+a 1
+tx_begin 15 4 980 ns
+a 2
+tx_record_attribute 15 "data_size" UNSIGNED = 24
+tx_begin 16 6 980 ns
+a 2
+tx_relation "addr_phase" 16 15
+tx_begin 17 7 980 ns
+tx_relation "data_phase" 17 13
+tx_end 16 6 1040 ns
+tx_end 17 7 1200 ns
+a 2
+tx_end 13 4 1200 ns
+a 2
+tx_begin 18 4 1200 ns
+a 120
+tx_record_attribute 18 "data_size" UNSIGNED = 24
+tx_begin 19 6 1200 ns
+a 120
+tx_relation "addr_phase" 19 18
+tx_begin 20 7 1200 ns
+tx_relation "data_phase" 20 15
+tx_end 19 6 1300 ns
+tx_end 20 7 1340 ns
+a 2
+tx_end 15 4 1340 ns
+a 2
+tx_begin 21 4 1340 ns
+a 11
+tx_record_attribute 21 "data_size" UNSIGNED = 24
+tx_begin 22 6 1340 ns
+a 11
+tx_relation "addr_phase" 22 21
+tx_begin 23 7 1340 ns
+tx_relation "data_phase" 23 18
+tx_end 23 7 1420 ns
+a 120
+tx_end 18 4 1420 ns
+a 120
+tx_end 22 6 1540 ns
+tx_begin 24 7 1540 ns
+tx_relation "data_phase" 24 21
+tx_begin 25 4 1540 ns
+a 147
+tx_record_attribute 25 "data_size" UNSIGNED = 24
+tx_begin 26 6 1540 ns
+a 147
+tx_relation "addr_phase" 26 25
+tx_end 24 7 1660 ns
+a 11
+tx_end 21 4 1660 ns
+a 11
+tx_end 26 6 1740 ns
+tx_begin 27 7 1740 ns
+tx_relation "data_phase" 27 25
+tx_begin 28 4 1740 ns
+a 99
+tx_record_attribute 28 "data_size" UNSIGNED = 24
+tx_begin 29 6 1740 ns
+a 99
+tx_relation "addr_phase" 29 28
+tx_end 29 6 1800 ns
+tx_end 27 7 1980 ns
+a 147
+tx_end 25 4 1980 ns
+a 147
+tx_begin 30 4 1980 ns
+a 55
+tx_record_attribute 30 "data_size" UNSIGNED = 24
+tx_begin 31 6 1980 ns
+a 55
+tx_relation "addr_phase" 31 30
+tx_begin 32 7 1980 ns
+tx_relation "data_phase" 32 28
+tx_end 32 7 2060 ns
+a 99
+tx_end 28 4 2060 ns
+a 99
+tx_end 31 6 2100 ns
+tx_begin 33 7 2100 ns
+tx_relation "data_phase" 33 30
+tx_begin 34 4 2100 ns
+a 126
+tx_record_attribute 34 "data_size" UNSIGNED = 24
+tx_begin 35 6 2100 ns
+a 126
+tx_relation "addr_phase" 35 34
+tx_end 33 7 2340 ns
+a 55
+tx_end 30 4 2340 ns
+a 55
+tx_end 35 6 2340 ns
+tx_begin 36 7 2340 ns
+tx_relation "data_phase" 36 34
+tx_begin 37 5 2340 ns
+a 204
+tx_record_attribute 37 "data_size" UNSIGNED = 24
+tx_begin 38 6 2340 ns
+a 204
+tx_relation "addr_phase" 38 37
+tx_end 38 6 2400 ns
+tx_end 36 7 2540 ns
+a 126
+tx_end 34 4 2540 ns
+a 126
+tx_begin 39 5 2540 ns
+a 242
+tx_record_attribute 39 "data_size" UNSIGNED = 24
+tx_begin 40 6 2540 ns
+a 242
+tx_relation "addr_phase" 40 39
+tx_begin 41 8 2540 ns
+a 211
+tx_relation "data_phase" 41 37
+tx_end 41 8 2640 ns
+tx_end 37 5 2640 ns
+a 211
+tx_end 40 6 2780 ns
+tx_begin 42 8 2780 ns
+a 58
+tx_relation "data_phase" 42 39
+tx_begin 43 5 2780 ns
+a 135
+tx_record_attribute 43 "data_size" UNSIGNED = 24
+tx_begin 44 6 2780 ns
+a 135
+tx_relation "addr_phase" 44 43
+tx_end 44 6 2960 ns
+tx_end 42 8 3 us
+tx_end 39 5 3 us
+a 58
+tx_begin 45 5 3 us
+a 26
+tx_record_attribute 45 "data_size" UNSIGNED = 24
+tx_begin 46 6 3 us
+a 26
+tx_relation "addr_phase" 46 45
+tx_begin 47 8 3 us
+a 31
+tx_relation "data_phase" 47 43
+tx_end 47 8 3140 ns
+tx_end 43 5 3140 ns
+a 31
+tx_end 46 6 3200 ns
+tx_begin 48 8 3200 ns
+a 37
+tx_relation "data_phase" 48 45
+tx_begin 49 5 3200 ns
+a 176
+tx_record_attribute 49 "data_size" UNSIGNED = 24
+tx_begin 50 6 3200 ns
+a 176
+tx_relation "addr_phase" 50 49
+tx_end 50 6 3300 ns
+tx_end 48 8 3380 ns
+tx_end 45 5 3380 ns
+a 37
+tx_begin 51 5 3380 ns
+a 58
+tx_record_attribute 51 "data_size" UNSIGNED = 24
+tx_begin 52 6 3380 ns
+a 58
+tx_relation "addr_phase" 52 51
+tx_begin 53 8 3380 ns
+a 220
+tx_relation "data_phase" 53 49
+tx_end 52 6 3440 ns
+tx_end 53 8 3560 ns
+tx_end 49 5 3560 ns
+a 220
+tx_begin 54 8 3560 ns
+a 109
+tx_relation "data_phase" 54 51
+tx_end 54 8 3660 ns
+tx_end 51 5 3660 ns
+a 109

com.minres.scviewer.database.test/src/com/minres/scviewer/database/test/DatabaseServicesTest.java

@@ -0,0 +1,99 @@
+package com.minres.scviewer.database.test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.File;
+import java.net.URISyntaxException;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.minres.scviewer.database.IWaveformDb;
+import com.minres.scviewer.database.IWaveformDbFactory;
+
+public class DatabaseServicesTest {
+
+	private static CountDownLatch dependencyLatch = new CountDownLatch(3);// 1 = number of dependencies required
+	
+	private static List<IWaveformDbFactory> services=new LinkedList<IWaveformDbFactory>();
+	
+	public void bind(IWaveformDbFactory factory){
+		services.add(factory);
+		dependencyLatch.countDown();
+		// System.out.println("service added");
+	}
+	
+	public void unbind(IWaveformDbFactory factory){
+		services.remove(factory);
+	}
+	
+	@Before
+	public void setUp() throws Exception {
+		 // Wait for OSGi dependencies
+	    try {
+	      dependencyLatch.await(10, TimeUnit.SECONDS); 
+	      // Dependencies fulfilled
+	    } catch (InterruptedException ex)  {
+	      fail("OSGi dependencies unfulfilled");
+	    }
+    }
+
+	@After
+	public void tearDown() throws Exception {
+	}
+
+	@Test
+	public void testVCD() throws URISyntaxException {
+		File f = new File("inputs/my_db.vcd").getAbsoluteFile();
+		assertTrue(f.exists());
+		IWaveformDb database=null;
+		for(IWaveformDbFactory factory:services){
+			database = factory.createDatabase(f);
+			if(database!=null) break;
+		}
+		assertNotNull(database);
+		assertEquals(3, services.size());
+		assertEquals(14,  database.getAllWaves().size());
+		assertEquals(2,  database.getChildNodes().size());
+	}
+
+	@Test
+	public void testTxSQLite() throws URISyntaxException {
+		File f = new File("inputs/my_db.txdb").getAbsoluteFile();
+		assertTrue(f.exists());
+		IWaveformDb database=null;
+		for(IWaveformDbFactory factory:services){
+			database = factory.createDatabase(f);
+			if(database!=null) break;
+		}
+		assertNotNull(database);
+		assertEquals(3, services.size());
+		assertEquals(3,  database.getAllWaves().size());
+		assertEquals(3,  database.getChildNodes().size());
+	}
+
+	@Test
+	public void testTxText() throws URISyntaxException {
+		File f = new File("inputs/my_db.txlog").getAbsoluteFile();
+		assertTrue(f.exists());
+		IWaveformDb database=null;
+		for(IWaveformDbFactory factory:services){
+			database = factory.createDatabase(f);
+			if(database!=null) break;
+		}
+		assertNotNull(database);
+		assertEquals(3, services.size());
+		assertEquals(3,  database.getAllWaves().size());
+		assertEquals(3,  database.getChildNodes().size());
+	}
+
+
+}

com.minres.scviewer.database.text/META-INF/MANIFEST.MF

@@ -13,3 +13,5 @@ Require-Bundle: com.minres.scviewer.database;bundle-version="1.0.0",
  org.eclipse.equinox.ds;bundle-version="1.4.200",
  org.eclipse.osgi.services;bundle-version="3.4.0"
 Service-Component: OSGI-INF/component.xml
+Export-Package: com.minres.scviewer.database.text
+Bundle-ActivationPolicy: lazy

com.minres.scviewer.database.text/OSGI-INF/component.xml

@@ -2,6 +2,6 @@
 <scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" name="TextDbFactory">
    <implementation class="com.minres.scviewer.database.text.TextDbFactory"/>
    <service>
-      <provide interface="com.minres.scviewer.database.ITransactionDbFactory"/>
+      <provide interface="com.minres.scviewer.database.IWaveformDbFactory"/>
    </service>
 </scr:component>

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/HierNode.groovy

@@ -1,54 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2012 IT Just working.
- * 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:
- *     IT Just working - initial API and implementation
- *******************************************************************************/
-package com.minres.scviewer.database.text;
-
-import java.beans.PropertyChangeListener;
-import java.util.List;
-import java.util.Map;
-
-import com.minres.scviewer.database.ITrHierNode;
-
-class HierNode implements ITrHierNode {
-
-	String name
-	def childs = []
-
-	public HierNode(){
-	}
-
-	public HierNode(String name){
-		this.name=name
-	}
-	
-	@Override
-	public List<ITrHierNode>  getChildNodes() {
-		return childs.sort{it.name}
-	}
-
-	@Override
-	public String getFullName() {
-		// TODO Auto-generated method stub
-		return name;
-	}
-
-	@Override
-	public void addPropertyChangeListener(PropertyChangeListener l) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void removePropertyChangeListener(PropertyChangeListener l) {
-		// TODO Auto-generated method stub
-		
-	}
-
-}

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TextDb.groovy

@@ -19,17 +19,18 @@ import java.util.TreeMap;
 
 import com.minres.scviewer.database.AssociationType;
 import com.minres.scviewer.database.DataType;
-import com.minres.scviewer.database.ITrAttrType;
+import com.minres.scviewer.database.HierNode;
-import com.minres.scviewer.database.ITrAttribute;
+import com.minres.scviewer.database.ITxAttributeType;
-import com.minres.scviewer.database.ITrDb;
+import com.minres.scviewer.database.ITxAttribute;
-import com.minres.scviewer.database.ITrGenerator;
+import com.minres.scviewer.database.IWaveformDb;
-import com.minres.scviewer.database.ITrHierNode;
+import com.minres.scviewer.database.ITxGenerator;
-import com.minres.scviewer.database.ITrStream;
+import com.minres.scviewer.database.IHierNode;
+import com.minres.scviewer.database.ITxStream;
 import com.minres.scviewer.database.InputFormatException;
 import com.minres.scviewer.database.EventTime
 import com.minres.scviewer.database.RelationType
 
-public class TextDb extends HierNode implements ITrDb{
+public class TextDb extends HierNode implements IWaveformDb{
 
 	private EventTime maxTime;
 	
@@ -37,6 +38,10 @@ public class TextDb extends HierNode implements ITrDb{
 	
 	def relationTypes=[:]
 	
+	public TextDb() {
+		super("TextDb");
+	}
+
 	public String getFullName() {
 		return getName();
 	}
@@ -46,21 +51,21 @@ public class TextDb extends HierNode implements ITrDb{
 		return maxTime;
 	}
 
-	public ITrStream getStreamByName(String name){
+	public ITxStream getStreamByName(String name){
-		streams.find{ITrStream stream-> stream.fullName == name }
+		streams.find{ITxStream stream-> stream.fullName == name }
 	}
 	
-	public List<ITrStream> getAllStreams() {
+	public List<ITxStream> getAllWaves() {
-		return new LinkedList<ITrStream>(streams);
+		return new LinkedList<ITxStream>(streams);
 	}
 
-	public List<ITrHierNode>  getChildNodes() {
+	public List<IHierNode>  getChildNodes() {
 		return childs.sort{it.name};
 	}
 
-	public Map<Long, ITrGenerator> getGeneratorsById() {
+	public Map<Long, ITxGenerator> getGeneratorsById() {
-		TreeMap<Long, ITrGenerator> res = new TreeMap<Long, ITrGenerator>();
+		TreeMap<Long, ITxGenerator> res = new TreeMap<Long, ITxGenerator>();
-		streams.each{Stream stream -> stream.generators.each{res.put(it.id, id)} }
+		streams.each{TxStream stream -> stream.generators.each{res.put(it.id, id)} }
 		return res;
 	}
 
@@ -78,8 +83,8 @@ public class TextDb extends HierNode implements ITrDb{
 		def streamsById = [:]
 		def generatorsById = [:]
 		def transactionsById = [:]
-		Generator generator
+		TxGenerator generator
-		Transaction transaction
+		Tx transaction
 		boolean endTransaction=false
 		def matcher
 		input.eachLine { line ->
@@ -91,19 +96,19 @@ public class TextDb extends HierNode implements ITrDb{
 				case "end_attribute":
 					if ((matcher = line =~ /^scv_tr_stream\s+\(ID (\d+),\s+name\s+"([^"]+)",\s+kind\s+"([^"]+)"\)$/)) {
 						def id = Integer.parseInt(matcher[0][1])
-						def stream = new Stream(id, this, matcher[0][2], matcher[0][3])
+						def stream = new TxStream(id, this, matcher[0][2], matcher[0][3])
 						streams<<stream
 						streamsById[id]=stream
 					} else if ((matcher = line =~ /^scv_tr_generator\s+\(ID\s+(\d+),\s+name\s+"([^"]+)",\s+scv_tr_stream\s+(\d+),$/)) {
 						def id = Integer.parseInt(matcher[0][1])
-						ITrStream stream=streamsById[Integer.parseInt(matcher[0][3])]
+						ITxStream stream=streamsById[Integer.parseInt(matcher[0][3])]
-						generator=new Generator(id, stream, matcher[0][2])
+						generator=new TxGenerator(id, stream, matcher[0][2])
 						stream.generators<<generator
 						generatorsById[id]=generator
 					} else if ((matcher = line =~ /^begin_attribute \(ID (\d+), name "([^"]+)", type "([^"]+)"\)$/)) {
-						generator.begin_attrs << AttrType.getAttrType(matcher[0][2], DataType.valueOf(matcher[0][3]), AssociationType.BEGIN)
+						generator.begin_attrs << TxAttributeType.getAttrType(matcher[0][2], DataType.valueOf(matcher[0][3]), AssociationType.BEGIN)
 					} else if ((matcher = line =~ /^end_attribute \(ID (\d+), name "([^"]+)", type "([^"]+)"\)$/)) {
-						generator.end_attrs << AttrType.getAttrType(matcher[0][2], DataType.valueOf(matcher[0][3]), AssociationType.END)
+						generator.end_attrs << TxAttributeType.getAttrType(matcher[0][2], DataType.valueOf(matcher[0][3]), AssociationType.END)
 					}
 					break;
 				case ")":
@@ -111,8 +116,8 @@ public class TextDb extends HierNode implements ITrDb{
 					break
 				case "tx_begin"://matcher = line =~ /^tx_begin\s+(\d+)\s+(\d+)\s+(\d+)\s+([munpf]?s)/
 					def id = Integer.parseInt(tokens[1])
-					Generator gen=generatorsById[Integer.parseInt(tokens[2])]
+					TxGenerator gen=generatorsById[Integer.parseInt(tokens[2])]
-					transaction = new Transaction(id, gen.stream, gen, new EventTime(Integer.parseInt(tokens[3]), tokens[4]))
+					transaction = new Tx(id, gen.stream, gen, new EventTime(Integer.parseInt(tokens[3]), tokens[4]))
 					gen.transactions << transaction
 					transactionsById[id]= transaction
 					gen.begin_attrs_idx=0;
@@ -130,21 +135,21 @@ public class TextDb extends HierNode implements ITrDb{
 					break
 				case "tx_record_attribute"://matcher = line =~ /^tx_record_attribute\s+(\d+)\s+"([^"]+)"\s+(\S+)\s*=\s*(.+)$/
 					def id = Integer.parseInt(tokens[1])
-					transactionsById[id].attributes<<new Attribute(tokens[2][1..-2], DataType.valueOf(tokens[3]), AssociationType.RECORD, tokens[5..-1].join(' '))
+					transactionsById[id].attributes<<new TxAttribute(tokens[2][1..-2], DataType.valueOf(tokens[3]), AssociationType.RECORD, tokens[5..-1].join(' '))
 					break
 				case "a"://matcher = line =~ /^a\s+(.+)$/
 					if(endTransaction){
-						transaction.attributes << new Attribute(transaction.generator.end_attrs[0], tokens[1])
+						transaction.attributes << new TxAttribute(transaction.generator.end_attrs[0], tokens[1])
 					} else {
-						transaction.attributes << new Attribute(transaction.generator.begin_attrs[0], tokens[1])
+						transaction.attributes << new TxAttribute(transaction.generator.begin_attrs[0], tokens[1])
 					}
 					break
 				case "tx_relation"://matcher = line =~ /^tx_relation\s+\"(\S+)\"\s+(\d+)\s+(\d+)$/
-					Transaction tr1= transactionsById[Integer.parseInt(tokens[2])]
+					Tx tr1= transactionsById[Integer.parseInt(tokens[2])]
-					Transaction tr2= transactionsById[Integer.parseInt(tokens[3])]
+					Tx tr2= transactionsById[Integer.parseInt(tokens[3])]
 					def relType=tokens[1][1..-2]
 					if(!relationTypes.containsKey(relType)) relationTypes[relType]=new RelationType(relType)
-					def rel = new Relation(relationTypes[relType], tr1, tr2)
+					def rel = new TxRelation(relationTypes[relType], tr1, tr2)
 					tr1.outgoingRelations<<rel
 					tr2.incomingRelations<<rel
 					break
@@ -157,9 +162,9 @@ public class TextDb extends HierNode implements ITrDb{
 	}
 
 	def addHierarchyNodes(){
-		streams.each{ Stream stream->
+		streams.each{ TxStream stream->
 			def hier = stream.fullName.split(/\./)
-			ITrHierNode node = this
+			IHierNode node = this
 			hier.each { name ->
 				def n1 = node.childNodes.find{it.name == name}
 				if(name == hier[-1]){ //leaf

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TextDbFactory.groovy

@@ -2,15 +2,15 @@ package com.minres.scviewer.database.text
 
 import java.io.FileInputStream;
 
-import com.minres.scviewer.database.ITrDb
+import com.minres.scviewer.database.IWaveformDb
-import com.minres.scviewer.database.ITransactionDbFactory;
+import com.minres.scviewer.database.IWaveformDbFactory;
 
-class TextDbFactory implements ITransactionDbFactory {
+class TextDbFactory implements IWaveformDbFactory {
 
 	byte[] x = "scv_tr_stream".bytes
 	
 	@Override
-	public ITrDb createDatabase(File file) {
+	public IWaveformDb createDatabase(File file) {
 		try {
 			FileInputStream fis = new FileInputStream(file);
             byte[] buffer = new byte[x.size()];

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/Tx.groovy

@@ -15,37 +15,37 @@ import java.util.Set
 
 import com.minres.scviewer.database.*
 
-class Transaction implements ITransaction {
+class Tx implements ITx {
 	
 	Long id
 	
-	Generator generator
+	TxGenerator generator
 
-	Stream stream
+	TxStream stream
 	
 	EventTime beginTime
 	
 	EventTime endTime
 	
-	ArrayList<ITrAttribute> attributes = new ArrayList<ITrAttribute>()
+	ArrayList<ITxAttribute> attributes = new ArrayList<ITxAttribute>()
 	
 	def incomingRelations =[]
 	
 	def outgoingRelations =[]
 	
-	Transaction(int id, Stream stream, Generator generator, EventTime begin){
+	Tx(int id, TxStream stream, TxGenerator generator, EventTime begin){
 		this.id=id
 		this.generator=generator
 		this.beginTime=begin
 	}
 	
 	@Override
-	public Collection<ITrRelation> getIncomingRelations() {
+	public Collection<ITxRelation> getIncomingRelations() {
 		return incomingRelations;
 	}
 
 	@Override
-	public Collection<ITrRelation> getOutgoingRelations() {
+	public Collection<ITxRelation> getOutgoingRelations() {
 		return outgoingRelations;
 	}
 	

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxAttribute.groovy

@@ -12,17 +12,17 @@ package com.minres.scviewer.database.text
 
 import com.minres.scviewer.database.AssociationType;
 import com.minres.scviewer.database.DataType;
-import com.minres.scviewer.database.ITrAttrType;
+import com.minres.scviewer.database.ITxAttributeType;
-import com.minres.scviewer.database.ITrAttribute
+import com.minres.scviewer.database.ITxAttribute
 
-class Attribute  implements ITrAttribute{
+class TxAttribute  implements ITxAttribute{
 	
-	AttrType attributeType
+	TxAttributeType attributeType
 
 	def value
 	
-	Attribute(String name, DataType dataType, AssociationType type, value){
+	TxAttribute(String name, DataType dataType, AssociationType type, value){
-		attributeType = AttrTypeFactory.instance.getAttrType(name, dataType, type)
+		attributeType = TxAttributeTypeFactory.instance.getAttrType(name, dataType, type)
 		switch(dataType){
 			case DataType.STRING:
 			case DataType.ENUMERATION:
@@ -33,11 +33,11 @@ class Attribute  implements ITrAttribute{
 		}
 	}
 
-	Attribute(AttrType other){
+	TxAttribute(TxAttributeType other){
 		attributeType=other
 	}
 	
-	Attribute(AttrType other, value){
+	TxAttribute(TxAttributeType other, value){
 		this(other.name, other.dataType, other.type, value)
 	}
 

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxAttributeType.groovy

@@ -12,18 +12,18 @@ package com.minres.scviewer.database.text
 
 import com.minres.scviewer.database.AssociationType;
 import com.minres.scviewer.database.DataType;
-import com.minres.scviewer.database.ITrAttrType;
+import com.minres.scviewer.database.ITxAttributeType;
 
-class AttrType implements ITrAttrType {
+class TxAttributeType implements ITxAttributeType {
 	String name
 	DataType dataType
 	AssociationType type
 	
-	static AttrType getAttrType(String name, DataType dataType, AssociationType type){
+	static TxAttributeType getAttrType(String name, DataType dataType, AssociationType type){
-		AttrTypeFactory.instance.getAttrType(name, dataType, type)
+		TxAttributeTypeFactory.instance.getAttrType(name, dataType, type)
 	}
 	
-	AttrType(String name, DataType dataType, AssociationType type){
+	TxAttributeType(String name, DataType dataType, AssociationType type){
 		this.name=name
 		this.dataType=dataType
 		this.type=type

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxAttributeTypeFactory.groovy

@@ -12,25 +12,25 @@ package com.minres.scviewer.database.text
 
 import com.minres.scviewer.database.AssociationType;
 import com.minres.scviewer.database.DataType
-import com.minres.scviewer.database.ITrAttrType
+import com.minres.scviewer.database.ITxAttributeType
-import com.minres.scviewer.database.ITrAttribute
+import com.minres.scviewer.database.ITxAttribute
 
-class AttrTypeFactory {
+class TxAttributeTypeFactory {
-	private static final instance = new AttrTypeFactory()
+	private static final instance = new TxAttributeTypeFactory()
 	
 	def attributes = [:]
 	
-	private AttrTypeFactory() {
+	private TxAttributeTypeFactory() {
-		AttrTypeFactory.metaClass.constructor = {-> instance }
+		TxAttributeTypeFactory.metaClass.constructor = {-> instance }
 	}
 	
-	ITrAttrType getAttrType(String name, DataType dataType, AssociationType type){
+	ITxAttributeType getAttrType(String name, DataType dataType, AssociationType type){
 		def key = name+":"+dataType.toString()
-		ITrAttrType res
+		ITxAttributeType res
 		if(attributes.containsKey(key)){
 			res=attributes[key]
 		} else {
-			res=new AttrType(name, dataType, type)
+			res=new TxAttributeType(name, dataType, type)
 			attributes[key]=res
 		}
 		return res

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxGenerator.groovy

@@ -13,35 +13,35 @@ package com.minres.scviewer.database.text
 import java.util.ArrayList;
 import java.util.List;
 
-import com.minres.scviewer.database.ITrAttrType
+import com.minres.scviewer.database.ITxAttributeType
-import com.minres.scviewer.database.ITrAttribute;
+import com.minres.scviewer.database.ITxAttribute;
-import com.minres.scviewer.database.ITrGenerator;
+import com.minres.scviewer.database.ITxGenerator;
-import com.minres.scviewer.database.ITrStream;
+import com.minres.scviewer.database.ITxStream;
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 
-class Generator implements ITrGenerator{
+class TxGenerator implements ITxGenerator{
 	Long id
-	Stream stream
+	TxStream stream
 	String name
 	Boolean active = false
-	ArrayList<ITransaction> transactions=[]
+	ArrayList<ITx> transactions=[]
 	
-	ArrayList<ITrAttrType> begin_attrs = []
+	ArrayList<ITxAttributeType> begin_attrs = []
 	int begin_attrs_idx = 0
-	ArrayList<ITrAttrType> end_attrs= []
+	ArrayList<ITxAttributeType> end_attrs= []
 	int end_attrs_idx = 0
 	
-	Generator(int id, Stream stream, name){
+	TxGenerator(int id, TxStream stream, name){
 		this.id=id
 		this.stream=stream
 		this.name=name
 	}
 	
-	ITrStream getStream(){
+	ITxStream getStream(){
 		return stream;
 	}
 	
-	List<ITransaction> getTransactions(){
+	List<ITx> getTransactions(){
 		return transactions
 	}
 	

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxRelation.groovy

@@ -1,18 +1,18 @@
 package com.minres.scviewer.database.text
 
-import com.minres.scviewer.database.ITrRelation
+import com.minres.scviewer.database.ITxRelation
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 import com.minres.scviewer.database.RelationType;
 
-class Relation implements ITrRelation {
+class TxRelation implements ITxRelation {
-	Transaction source
+	Tx source
 	
-	Transaction target
+	Tx target
 	
 	RelationType relationType
 	
 	
-	public Relation(RelationType relationType, Transaction source, Transaction target) {
+	public TxRelation(RelationType relationType, Tx source, Tx target) {
 		this.source = source;
 		this.target = target;
 		this.relationType = relationType;
@@ -24,12 +24,12 @@ class Relation implements ITrRelation {
 	}
 
 	@Override
-	public ITransaction getSource() {
+	public ITx getSource() {
 		return source;
 	}
 
 	@Override
-	public ITransaction getTarget() {
+	public ITx getTarget() {
 		return target;
 	}
 

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TxStream.groovy

@@ -14,13 +14,14 @@ import java.beans.PropertyChangeListener;
 import java.util.List;
 import java.util.Map;
 
-import com.minres.scviewer.database.ITrDb
+import com.minres.scviewer.database.HierNode;
-import com.minres.scviewer.database.ITrGenerator
+import com.minres.scviewer.database.IWaveformDb
-import com.minres.scviewer.database.ITrHierNode
+import com.minres.scviewer.database.ITxGenerator
-import com.minres.scviewer.database.ITrStream
+import com.minres.scviewer.database.IHierNode
-import com.minres.scviewer.database.ITransaction
+import com.minres.scviewer.database.ITxStream
+import com.minres.scviewer.database.ITx
 
-class Stream extends HierNode implements ITrStream {
+class TxStream extends HierNode implements ITxStream {
 
 	Long id;
 	
@@ -34,31 +35,27 @@ class Stream extends HierNode implements ITrStream {
 	
 	private allTransactions;
 
-	public TrHierNode(String name){
+	TxStream(int id, TextDb db, String name, String kind){
-		this.name=name
+		super(name)
-	}
-
-	Stream(int id, TextDb db, String name, String kind){
 		this.id=id
 		this.database=db
-		this.name=name
 		this.fullName=name
 		this.kind=kind
 	}
 
-	List<ITrGenerator> getGenerators(){
+	List<ITxGenerator> getGenerators(){
-		return generators as List<ITrGenerator>
+		return generators as List<ITxGenerator>
 	}
 
 	@Override
-	public ITrDb getDb() {
+	public IWaveformDb getDb() {
 		return database;
 	}
 
 	// FIXME: maybe need to be somewhere else
 	public int getMaxConcurrrentTx() {
 		def rowendtime = [0]
-		getTransactions().each{Transaction tx ->
+		getTransactions().each{Tx tx ->
 			def rowIdx = 0
 			for(rowIdx=0; rowendtime.size()<rowIdx || rowendtime[rowIdx]>tx.beginTime.value; rowIdx++);
 				if(rowendtime.size<=rowIdx){
@@ -71,14 +68,14 @@ class Stream extends HierNode implements ITrStream {
 	}
 
 	@Override
-	public List<ITransaction> getTransactions() {
+	public List<ITx> getTransactions() {
 		if(!allTransactions)
 			allTransactions=generators.transactions.flatten().sort{it.beginTime.value}
 		return allTransactions
 	}
 
 	@Override
-	public ITransaction getTransactionById(long id) {
+	public ITx getTransactionById(long id) {
 		if(!allTransactions)
 			allTransactions=generators.transactions.flatten().sort{it.beginTime.value}
 		allTransactions.find{it.id==id}

com.minres.scviewer.database/.project

@@ -20,6 +20,11 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ds.core.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.pde.PluginNature</nature>

com.minres.scviewer.database/META-INF/MANIFEST.MF

@@ -5,4 +5,7 @@ Bundle-SymbolicName: com.minres.scviewer.database
 Bundle-Version: 1.0.0.qualifier
 Bundle-Vendor: MINRES Technologies GmbH
 Bundle-RequiredExecutionEnvironment: JavaSE-1.7
-Export-Package: com.minres.scviewer.database
+Export-Package: com.minres.scviewer.database,
+ com.minres.scviewer.database.vcd
+Service-Component: OSGI-INF/component.xml
+Bundle-ActivationPolicy: lazy

com.minres.scviewer.database/OSGI-INF/component.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" name="VCDDbFactory">
+   <implementation class="com.minres.scviewer.database.vcd.VCDDbFactory"/>
+   <service>
+      <provide interface="com.minres.scviewer.database.IWaveformDbFactory"/>
+   </service>
+</scr:component>

com.minres.scviewer.database/build.properties

@@ -1,4 +1,5 @@
-source.. = src/
 output.. = bin/
 bin.includes = META-INF/,\
-               .
+               .,\
+               OSGI-INF/component.xml
+source.. = src/

com.minres.scviewer.database/src/com/minres/scviewer/database/AssociationType.java

@@ -1,3 +1,5 @@
 package com.minres.scviewer.database;
 
-public enum AssociationType {BEGIN, RECORD, END}
+public enum AssociationType {
+	BEGIN, RECORD, END
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/DataType.java

@@ -1,16 +1,18 @@
 package com.minres.scviewer.database;
-  public enum DataType {
+
-	    BOOLEAN,                       // bool
+public enum DataType {
-	    ENUMERATION,                   // enum
+	BOOLEAN, // bool
-	    INTEGER,                       // char, short, int, long, long long, sc_int, sc_bigint  
+	ENUMERATION, // enum
-	    UNSIGNED,                      // unsigned { char, short, int, long, long long }, sc_uint, sc_biguint  
+	INTEGER, // char, short, int, long, long long, sc_int, sc_bigint
-	    FLOATING_POINT_NUMBER,         // float, double 
+	UNSIGNED, // unsigned { char, short, int, long, long long }, sc_uint,
-	    BIT_VECTOR,                    // sc_bit, sc_bv
+				// sc_biguint
-	    LOGIC_VECTOR,                  // sc_logic, sc_lv
+	FLOATING_POINT_NUMBER, // float, double
-	    FIXED_POINT_INTEGER,           // sc_fixed
+	BIT_VECTOR, // sc_bit, sc_bv
-	    UNSIGNED_FIXED_POINT_INTEGER,  // sc_ufixed
+	LOGIC_VECTOR, // sc_logic, sc_lv
-	    RECORD,                        // struct/class
+	FIXED_POINT_INTEGER, // sc_fixed
-	    POINTER,                       // T*
+	UNSIGNED_FIXED_POINT_INTEGER, // sc_ufixed
-	    ARRAY,                         // T[N]
+	RECORD, // struct/class
-	    STRING                         // string, std::string
+	POINTER, // T*
-	  };
+	ARRAY, // T[N]
+	STRING // string, std::string
+};

com.minres.scviewer.database/src/com/minres/scviewer/database/EventTime.java

@@ -16,8 +16,11 @@ public class EventTime implements Comparable<EventTime>{
 	
 	public static final double MS = 1000000000.0;
 
+	public static final EventTime ZERO = new EventTime(0L, "fs");
+	
 	private long value; // unit is femto seconds
 	
+	
 	public EventTime(Long value, String unit){
 		setValue(value, unit);
 	}

com.minres.scviewer.database/src/com/minres/scviewer/database/HierNode.java

@@ -1,32 +1,26 @@
-package com.minres.scviewer.database.sqlite;
+package com.minres.scviewer.database;
 
 import java.beans.PropertyChangeListener;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.minres.scviewer.database.ITrHierNode;
+public class HierNode implements IHierNode {
-
-public class HierNode implements ITrHierNode {
 
 	protected String name;
 	
-	protected ArrayList<ITrHierNode> childs;
+	protected ArrayList<IHierNode> childs;
 	
 	public HierNode(String name) {
 		this.name=name;
-		childs = new ArrayList<ITrHierNode>();
+		childs = new ArrayList<IHierNode>();
 	}
 
 	@Override
 	public void addPropertyChangeListener(PropertyChangeListener l) {
-		// TODO Auto-generated method stub
-
 	}
 
 	@Override
 	public void removePropertyChangeListener(PropertyChangeListener l) {
-		// TODO Auto-generated method stub
-
 	}
 
 	@Override
@@ -45,7 +39,7 @@ public class HierNode implements ITrHierNode {
 	}
 
 	@Override
-	public List<ITrHierNode> getChildNodes() {
+	public List<IHierNode> getChildNodes() {
 		return childs;
 	}
 

com.minres.scviewer.database/src/com/minres/scviewer/database/IHierNode.java

@@ -13,7 +13,8 @@ package com.minres.scviewer.database;
 import java.beans.PropertyChangeListener;
 import java.util.List;
 
-public interface ITrHierNode {
+public interface IHierNode {
+	
 	/**
 	 * Attach a non-null PropertyChangeListener to this object.
 	 * 
@@ -23,6 +24,7 @@ public interface ITrHierNode {
 	 *             if the parameter is null
 	 */
 	public void addPropertyChangeListener(PropertyChangeListener l);
+
 	/**
 	 * Remove a PropertyChangeListener from this component.
 	 * 
@@ -37,6 +39,6 @@ public interface ITrHierNode {
 	
 	public void setName(String name);
 	
-	public List<ITrHierNode> getChildNodes();
+	public List<IHierNode> getChildNodes();
 
 }

com.minres.scviewer.database/src/com/minres/scviewer/database/ISignal.java

@@ -0,0 +1,13 @@
+package com.minres.scviewer.database;
+
+import java.util.NavigableSet;
+
+public interface ISignal<T extends ISignalChange> extends IWaveform{
+
+	public NavigableSet<ISignalChange> getSignalChanges();
+
+	public T getSignalChangeByTime(EventTime time);
+
+	public NavigableSet<ISignalChange> getSignalChangesByTimes(EventTime start, EventTime end);
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/ISignalChange.java

@@ -0,0 +1,9 @@
+package com.minres.scviewer.database;
+
+public interface ISignalChange extends Comparable<ISignalChange>{
+
+	public EventTime getTime();
+
+	public ISignalChange duplicate() throws CloneNotSupportedException;
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/ISignalChangeMulti.java

@@ -0,0 +1,7 @@
+package com.minres.scviewer.database;
+
+public interface ISignalChangeMulti extends ISignalChange {
+	
+	public String getValue();
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/ISignalChangeSingle.java

@@ -0,0 +1,7 @@
+package com.minres.scviewer.database;
+
+public interface ISignalChangeSingle extends ISignalChange{
+
+	public char getValue();
+	
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/ITrRelation.java

@@ -1,10 +0,0 @@
-package com.minres.scviewer.database;
-
-public interface ITrRelation {
-
-	RelationType getRelationType();
-	
-	ITransaction getSource();
-	
-	ITransaction getTarget();
-}

com.minres.scviewer.database/src/com/minres/scviewer/database/ITransactionDbFactory.java

@@ -1,9 +0,0 @@
-package com.minres.scviewer.database;
-
-import java.io.File;
-
-public interface ITransactionDbFactory {
-	
-	ITrDb createDatabase(File file);
-
-}

com.minres.scviewer.database/src/com/minres/scviewer/database/ITx.java

@@ -12,23 +12,22 @@ package com.minres.scviewer.database;
 
 import java.util.Collection;
 import java.util.List;
-import java.util.Set;
 
-public interface ITransaction {
+public interface ITx {
 
 	public Long getId();
 	
-	public ITrStream getStream();
+	public ITxStream getStream();
 	
-	public ITrGenerator getGenerator();
+	public ITxGenerator getGenerator();
 	
 	public EventTime getBeginTime();
 	
 	public EventTime getEndTime();
 	
-	public List<ITrAttribute> getAttributes();
+	public List<ITxAttribute> getAttributes();
 	
-	public Collection<ITrRelation> getIncomingRelations();
+	public Collection<ITxRelation> getIncomingRelations();
 
-	public Collection<ITrRelation> getOutgoingRelations();
+	public Collection<ITxRelation> getOutgoingRelations();
 }

com.minres.scviewer.database/src/com/minres/scviewer/database/ITxAttribute.java

@@ -10,6 +10,6 @@
  *******************************************************************************/
 package com.minres.scviewer.database;
 
-public interface ITrAttribute extends ITrAttrType {
+public interface ITxAttribute extends ITxAttributeType {
 	public Object getValue();
 }

com.minres.scviewer.database/src/com/minres/scviewer/database/ITxAttributeType.java

@@ -10,7 +10,7 @@
  *******************************************************************************/
 package com.minres.scviewer.database;
 
-public interface ITrAttrType {
+public interface ITxAttributeType {
 	public String getName();
 	public DataType getDataType();
 	public AssociationType getType();

com.minres.scviewer.database/src/com/minres/scviewer/database/ITxGenerator.java

@@ -12,9 +12,9 @@ package com.minres.scviewer.database;
 
 import java.util.List;
 
-public interface ITrGenerator {
+public interface ITxGenerator {
 	public Long getId();
-	public ITrStream getStream();
+	public ITxStream getStream();
 	public String getName();
-	public List<ITransaction> getTransactions();
+	public List<ITx> getTransactions();
 }

com.minres.scviewer.database/src/com/minres/scviewer/database/ITxRelation.java

@@ -0,0 +1,10 @@
+package com.minres.scviewer.database;
+
+public interface ITxRelation {
+
+	RelationType getRelationType();
+	
+	ITx getSource();
+	
+	ITx getTarget();
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/ITxStream.java

@@ -12,18 +12,12 @@ package com.minres.scviewer.database;
 
 import java.util.List;
 
-public interface  ITrStream extends ITrHierNode {
+public interface  ITxStream extends IWaveform {
 
-	public Long getId();
+	public List<ITxGenerator> getGenerators();
 
-	public String getKind();
+	public List<ITx> getTransactions();
 
-	public ITrDb getDb();
+	public ITx getTransactionById(long id);
-
-	public List<ITrGenerator> getGenerators();
-
-	public List<ITransaction> getTransactions();
-
-	public ITransaction getTransactionById(long id);
 
 }

com.minres.scviewer.database/src/com/minres/scviewer/database/IWaveform.java

@@ -0,0 +1,12 @@
+package com.minres.scviewer.database;
+
+public interface IWaveform extends IHierNode {
+
+	public Long getId();
+
+	public String getKind();
+
+	public IWaveformDb getDb();
+
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/IWaveformDb.java

@@ -11,19 +11,18 @@
 package com.minres.scviewer.database;
 
 import java.io.File;
-import java.io.InputStream;
 import java.util.List;
 
 
-public interface ITrDb extends ITrHierNode {
+public interface IWaveformDb extends IHierNode {
 
 	public EventTime getMaxTime();
 	
-	public ITrStream getStreamByName(String name);
+	public IWaveform getStreamByName(String name);
 	
-	public List<ITrStream> getAllStreams();
+	public List<IWaveform> getAllWaves();
 	
-	public void load(File inp) throws InputFormatException;
+	public void load(File inp) throws Exception;
 
 	public void clear();
 

com.minres.scviewer.database/src/com/minres/scviewer/database/IWaveformDbFactory.java

@@ -0,0 +1,9 @@
+package com.minres.scviewer.database;
+
+import java.io.File;
+
+public interface IWaveformDbFactory {
+	
+	IWaveformDb createDatabase(File file);
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/SignalChange.java

@@ -0,0 +1,36 @@
+package com.minres.scviewer.database;
+
+public class SignalChange implements ISignalChange {
+	
+	EventTime time;
+	
+	
+	public SignalChange() {
+		time=EventTime.ZERO;
+	}
+
+	public SignalChange(EventTime time) {
+		super();
+		this.time = time;
+	}
+
+	@Override
+	public int compareTo(ISignalChange o) {
+		return time.compareTo(o.getTime());
+	}
+
+	@Override
+	public EventTime getTime() {
+		return time;
+	}
+
+	public void setTime(EventTime time) {
+		this.time = time;
+	}
+
+	@Override
+	public ISignalChange duplicate() throws CloneNotSupportedException {
+		return (ISignalChange) this.clone();
+	}
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/BitVector.java

@@ -0,0 +1,39 @@
+package com.minres.scviewer.database.vcd;
+
+public class BitVector {
+
+	public static final char VALUE_X = 'X';
+	public static final char VALUE_Z = 'Z';
+	public static final char VALUE_1 = '1';
+	public static final char VALUE_0 = '0';
+
+	private final int width;
+	
+	private char[] value;
+	
+	public BitVector(int netWidth) {
+		this.width=netWidth;
+		value = new char[netWidth];
+		for(int i=0; i<netWidth; i++) value[i]='0';
+	}
+
+	public void setValue(int i, char value) {
+		this.value[i]=value;
+	}
+
+	public char[] getValue() {
+		return value;
+	}
+
+	public void setValue(char[] value) {
+		this.value = value;
+	}
+
+	public int getWidth() {
+		return width;
+	}
+
+	public String toString(){
+		return new String(value);
+	}
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/IVCDDatabaseBuilder.java

@@ -0,0 +1,48 @@
+package com.minres.scviewer.database.vcd;
+
+// TODO: Auto-generated Javadoc
+/**
+ * The Interface ITraceBuilder.
+ */
+public interface IVCDDatabaseBuilder {
+
+	/**
+	 * Enter module.
+	 *
+	 * @param tokenString the token string
+	 */
+	public void enterModule(String tokenString);
+
+	/**
+	 * Exit module.
+	 */
+	public void exitModule();
+
+	/**
+	 * New net.
+	 *
+	 * @param netName the net name
+	 * @param i the index of the net, -1 if a new one, otherwise the id if the referenced
+	 * @param width the width
+	 * @return the integer
+	 */
+	public Integer newNet(String netName, int i, int width) ;
+
+	/**
+	 * Gets the net width.
+	 *
+	 * @param intValue the int value
+	 * @return the net width
+	 */
+	public int getNetWidth(int intValue);
+
+	/**
+	 * Append transition.
+	 *
+	 * @param intValue the int value
+	 * @param fCurrentTime the f current time
+	 * @param decodedValues the decoded values
+	 */
+	public void appendTransition(int intValue, long fCurrentTime, BitVector decodedValues);
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/VCDDb.java

@@ -0,0 +1,211 @@
+package com.minres.scviewer.database.vcd;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Stack;
+import java.util.Vector;
+
+import com.minres.scviewer.database.EventTime;
+import com.minres.scviewer.database.HierNode;
+import com.minres.scviewer.database.ISignal;
+import com.minres.scviewer.database.ISignalChange;
+import com.minres.scviewer.database.ISignalChangeMulti;
+import com.minres.scviewer.database.ISignalChangeSingle;
+import com.minres.scviewer.database.IWaveformDb;
+import com.minres.scviewer.database.IHierNode;
+import com.minres.scviewer.database.ITxStream;
+import com.minres.scviewer.database.IWaveform;
+import com.minres.scviewer.database.InputFormatException;
+import com.minres.scviewer.database.SignalChange;
+
+// TODO: Auto-generated Javadoc
+/**
+ * The Class VCDDb.
+ */
+public class VCDDb extends HierNode implements IWaveformDb, IVCDDatabaseBuilder {
+
+	
+	private static final String TIME_RES = "ps";
+
+	/** The module stack. */
+	private Stack<String> moduleStack;
+	
+	/** The signals. */
+	private List<IWaveform> signals;
+	
+	private HashMap<String, IWaveform> waveformLookup;
+	
+	private long maxTime;
+	
+	/**
+	 * Instantiates a new VCD db.
+	 *
+	 * @param netName the net name
+	 */
+	public VCDDb() {
+		super("VCDDb");
+		signals = new Vector<IWaveform>();
+		waveformLookup = new HashMap<String, IWaveform>();
+	}
+
+	/* (non-Javadoc)
+	 * @see com.minres.scviewer.database.ITrDb#getStreamByName(java.lang.String)
+	 */
+	@Override
+	public ITxStream getStreamByName(String name) {
+		return null;
+	}
+
+	/* (non-Javadoc)
+	 * @see com.minres.scviewer.database.ITrDb#load(java.io.File)
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void load(File inp) throws Exception {
+		moduleStack= new Stack<String>(); 
+		boolean res = new VCDFileParser(false).load(new FileInputStream(inp), this);
+		moduleStack=null;
+		if(!res) throw new InputFormatException();
+		EventTime lastTime=new EventTime(maxTime, TIME_RES);
+		for(IWaveform signal:signals){
+			ISignalChange change = ((ISignal<ISignalChange>)signal).getSignalChanges().last();
+			if(lastTime.compareTo(change.getTime())>0){
+				ISignalChange lastChange = change.duplicate();
+				((SignalChange)lastChange).setTime(lastTime);
+				((ISignal<ISignalChange>)signal).getSignalChanges().add(lastChange);
+			}
+		}
+		buildHierarchyNodes();
+	}
+
+	/* (non-Javadoc)
+	 * @see com.minres.scviewer.database.ITrDb#clear()
+	 */
+	@Override
+	public void clear() {
+		signals.clear();
+	}
+
+	/* (non-Javadoc)
+	 * @see com.minres.scviewer.database.ITrDb#getMaxTime()
+	 */
+	@Override
+	public EventTime getMaxTime() {
+		return new EventTime(maxTime, TIME_RES);
+	}
+
+	/* (non-Javadoc)
+	 * @see com.minres.scviewer.database.ITrDb#getAllWaves()
+	 */
+	@Override
+	public List<IWaveform> getAllWaves() {
+		return signals;
+	}
+
+	/* (non-Javadoc)
+	 * @see com.minres.scviewer.database.vcd.ITraceBuilder#enterModule(java.lang.String)
+	 */
+	@Override
+	public void enterModule(String tokenString) {
+		if(moduleStack.isEmpty())
+			moduleStack.push(tokenString);
+		else
+			moduleStack.push(moduleStack.peek()+"."+tokenString);
+
+	}
+
+	/* (non-Javadoc)
+	 * @see com.minres.scviewer.database.vcd.ITraceBuilder#exitModule()
+	 */
+	@Override
+	public void exitModule() {
+		if(!moduleStack.isEmpty()) moduleStack.pop();
+	}
+
+	/* (non-Javadoc)
+	 * @see com.minres.scviewer.database.vcd.ITraceBuilder#newNet(java.lang.String, int, int)
+	 */
+	@Override
+	public Integer newNet(String netName, int i, int width) {
+		int id = signals.size();
+		VCDSignal<? extends ISignalChange> signal;
+		if(width==1){
+			signal = i<0 ? new VCDSignal<ISignalChangeSingle>(id, netName) :
+				new VCDSignal<ISignalChangeSingle>(signals.get(i), id, netName);
+		} else {
+			signal = i<0 ? new VCDSignal<ISignalChangeMulti>(id, netName, width) :
+				new VCDSignal<ISignalChangeMulti>(signals.get(i), id, netName);
+		};
+		signals.add(signal);
+		return id;
+	}
+
+	/* (non-Javadoc)
+	 * @see com.minres.scviewer.database.vcd.ITraceBuilder#getNetWidth(int)
+	 */
+	@Override
+	public int getNetWidth(int intValue) {
+		VCDSignal<? extends ISignalChange> signal = (VCDSignal<? extends ISignalChange>) signals.get(intValue);
+		return signal.getWidth();
+	}
+
+	/* (non-Javadoc)
+	 * @see com.minres.scviewer.database.vcd.ITraceBuilder#appendTransition(int, long, com.minres.scviewer.database.vcd.BitVector)
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void appendTransition(int intValue, long fCurrentTime, BitVector decodedValues) {
+		VCDSignal<? extends ISignalChange> signal = (VCDSignal<? extends ISignalChange>) signals.get(intValue);
+		EventTime time = new EventTime(fCurrentTime, TIME_RES);
+		if(signal.getWidth()==1){
+			VCDSignalChangeSingle change = new VCDSignalChangeSingle(time, decodedValues.getValue()[0]);
+			((VCDSignal<ISignalChangeSingle>)signal).addSignalChange(change);
+		} else {
+			VCDSignalChangeMulti change = new VCDSignalChangeMulti(time, new String(decodedValues.getValue()));
+			((VCDSignal<VCDSignalChangeMulti>)signal).addSignalChange(change);			
+		}
+		maxTime= Math.max(maxTime, fCurrentTime);
+	}
+
+	private void buildHierarchyNodes() throws InputFormatException{
+		for(IWaveform stream:getAllWaves()){
+			waveformLookup.put(stream.getFullName(), stream);
+			String[] hier = stream.getFullName().split("\\.");
+			IHierNode node = this;
+			for(String name:hier){
+				IHierNode n1 = null;
+				 for (IHierNode n : node.getChildNodes()) {
+				        if (n.getName().equals(name)) {
+				            n1=n;
+				            break;
+				        }
+				    }
+				if(name == hier[hier.length-1]){ //leaf
+					if(n1!=null) {
+						if(n1 instanceof HierNode){
+							node.getChildNodes().remove(n1);
+							stream.getChildNodes().addAll(n1.getChildNodes());
+						} else {
+							throw new InputFormatException();
+						}
+					}
+					stream.setName(name);
+					node.getChildNodes().add(stream);
+					node=stream;
+				} else { // intermediate
+					if(n1 != null) {
+						node=n1;
+					} else {
+						HierNode newNode = new HierNode(name);
+						node.getChildNodes().add(newNode);
+						node=newNode;
+					}
+				}
+			}
+		}
+	}
+
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/VCDDbFactory.java

@@ -0,0 +1,37 @@
+package com.minres.scviewer.database.vcd;
+
+import java.io.File;
+import java.io.FileInputStream;
+
+import com.minres.scviewer.database.IWaveformDb;
+import com.minres.scviewer.database.IWaveformDbFactory;
+
+public class VCDDbFactory implements IWaveformDbFactory {
+
+	private byte[] x = "$date".getBytes();
+
+	public VCDDbFactory(){
+		
+	}
+	
+	@Override
+	public IWaveformDb createDatabase(File file) {
+		try {
+			FileInputStream fis = new FileInputStream(file);
+			byte[] buffer = new byte[x.length];
+			int read = fis.read(buffer, 0, x.length);
+			fis.close();
+			if (read == x.length)
+				for (int i = 0; i < x.length; i++)
+					if (buffer[i] != x[i])
+						return null;
+			VCDDb db = new VCDDb();
+			db.load(file);
+			return db;
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/VCDFileParser.java

@@ -0,0 +1,212 @@
+package com.minres.scviewer.database.vcd;
+
+import java.io.*;
+import java.util.*;
+
+class VCDFileParser {
+	private StreamTokenizer tokenizer;
+	private IVCDDatabaseBuilder traceBuilder;
+	private HashMap<String, Integer> nameToNetMap = new HashMap<String, Integer>();
+	private long picoSecondsPerIncrement;
+	private boolean stripNetWidth;
+	long currentTime;
+
+	public VCDFileParser(boolean stripNetWidth) {
+		this.stripNetWidth=stripNetWidth;
+	}
+
+	public boolean load(InputStream is, IVCDDatabaseBuilder builder) {
+		tokenizer = new StreamTokenizer(new BufferedReader(new InputStreamReader(is)));
+		tokenizer.resetSyntax();
+		tokenizer.wordChars(33, 126);
+		tokenizer.whitespaceChars('\r', '\r');
+		tokenizer.whitespaceChars('\n', '\n');
+		tokenizer.whitespaceChars(' ', ' ');
+		tokenizer.whitespaceChars('\t', '\t');
+		try {
+			traceBuilder = builder;
+			currentTime=0;
+			while (parseDefinition());
+			while (parseTransition());
+			return true;
+		} catch (Exception exc) {
+			exc.printStackTrace();
+			return false;
+		}
+	}
+
+	private void parseScope() throws Exception {
+		nextToken(); // Scope type (ignore)
+		nextToken();
+		traceBuilder.enterModule(tokenizer.sval);
+		match("$end");
+	}
+
+	private void parseUpscope() throws Exception {
+		match("$end");
+		traceBuilder.exitModule();
+	}
+
+	private void parseVar() throws Exception {
+		nextToken(); // type
+		nextToken(); // size
+		int width = Integer.parseInt(tokenizer.sval);
+
+		nextToken();
+		String id = tokenizer.sval;
+		nextToken();
+		String netName = tokenizer.sval;
+		while (nextToken() && !tokenizer.sval.equals("$end")) {
+			netName+=tokenizer.sval;
+		}
+
+		Integer net = nameToNetMap.get(id);
+		if (net == null) {
+			// We've never seen this net before
+			if(stripNetWidth){
+				int openBracket = netName.indexOf('[');
+				if (openBracket != -1) netName = netName.substring(0, openBracket);
+			}
+			nameToNetMap.put(id, traceBuilder.newNet(netName, -1, width));
+		} else {
+			// Shares data with existing net. Add as clone.
+			traceBuilder.newNet(netName, net, width);
+		}
+	}
+
+	private void parseTimescale() throws Exception {
+		nextToken();
+		String s = tokenizer.sval;
+		nextToken();
+		while(!tokenizer.sval.equals("$end")){
+			s+=" "+tokenizer.sval;
+			nextToken();
+		}
+		switch (s.charAt(s.length() - 2)){
+		case 'p': // Nano-seconds
+			picoSecondsPerIncrement = 1;
+			s = s.substring(0, s.length() - 2).trim();
+			break;
+		case 'n': // Nano-seconds
+			picoSecondsPerIncrement = 1000;
+			s = s.substring(0, s.length() - 2).trim();
+			break;
+		case 'u': // Microseconds
+			picoSecondsPerIncrement = 1000000;
+			s = s.substring(0, s.length() - 2).trim();
+			break;
+		case 'm': // Microseconds
+			picoSecondsPerIncrement = 1000000000;
+			s = s.substring(0, s.length() - 2).trim();
+			break;
+		default: // Seconds
+			picoSecondsPerIncrement = 1000000000000L;
+			s = s.substring(0, s.length() - 1);
+			break;
+		}
+		picoSecondsPerIncrement *= Long.parseLong(s);
+	}
+
+	private boolean parseDefinition() throws Exception {
+		nextToken();
+		if (tokenizer.sval.equals("$scope"))
+			parseScope();
+		else if (tokenizer.sval.equals("$var"))
+			parseVar();
+		else if (tokenizer.sval.equals("$upscope"))
+			parseUpscope();
+		else if (tokenizer.sval.equals("$timescale"))
+			parseTimescale();
+		else if (tokenizer.sval.equals("$enddefinitions")) {
+			match("$end");
+			return false;
+		} else {
+			// Ignore this defintion
+			do {
+				if (!nextToken()) return false;
+			} while (!tokenizer.sval.equals("$end"));
+		}
+
+		return true;
+	}
+
+	private boolean parseTransition() throws Exception {
+		if (!nextToken()) return false;
+		if (tokenizer.sval.charAt(0) == '#') {	// If the line begins with a #, this is a timestamp.
+			currentTime = Long.parseLong(tokenizer.sval.substring(1)) * picoSecondsPerIncrement;
+		} else {
+			if(tokenizer.sval.equals("$comment")){
+				do {
+					if (!nextToken()) return false;
+				} while (!tokenizer.sval.equals("$end"));
+				return true;
+			}
+			if (tokenizer.sval.equals("$dumpvars") || tokenizer.sval.equals("$end")) return true;
+			String value, id;
+			if (tokenizer.sval.charAt(0) == 'b') {
+				// Multiple value net. Value appears first, followed by space,
+				// then identifier
+				value = tokenizer.sval.substring(1);
+				nextToken();
+				id = tokenizer.sval;
+			} else {
+				// Single value net. identifier first, then value, no space.
+				value = tokenizer.sval.substring(0, 1);
+				id = tokenizer.sval.substring(1);
+			}
+
+			Integer net = nameToNetMap.get(id);
+			if (net == null) {
+				System.out.println("unknown net " + id + " value " + value);
+				return true;
+			}
+
+			int netWidth = traceBuilder.getNetWidth(net);
+			BitVector decodedValues = new BitVector(netWidth);
+			if (value.equals("z") && netWidth > 1) {
+				for (int i = 0; i < netWidth; i++)
+					decodedValues.setValue(i, BitVector.VALUE_Z);
+			} else if (value.equals("x") && netWidth > 1) {
+				for (int i = 0; i < netWidth; i++)
+					decodedValues.setValue(i, BitVector.VALUE_X);
+			} else {
+				int stringIndex = 0;
+				for (int convertedIndex = netWidth - value.length(); convertedIndex < netWidth; convertedIndex++) {
+					switch (value.charAt(stringIndex++)) {
+					case 'z':
+						decodedValues.setValue(convertedIndex, BitVector.VALUE_Z);
+						break;
+
+					case '1':
+						decodedValues.setValue(convertedIndex, BitVector.VALUE_1);
+						break;
+
+					case '0':
+						decodedValues.setValue(convertedIndex, BitVector.VALUE_0);
+						break;
+
+					case 'x':
+						decodedValues.setValue(convertedIndex, BitVector.VALUE_X);
+						break;
+
+					default:
+						decodedValues.setValue(convertedIndex, BitVector.VALUE_X);
+					}
+				}
+			}
+			traceBuilder.appendTransition(net, currentTime, decodedValues);
+		}
+		return true;
+	}
+
+	private void match(String value) throws Exception {
+		nextToken();
+		if (!tokenizer.sval.equals(value)) 
+			throw new Exception("Line "+tokenizer.lineno()+": parse error, expected "+value+" got "+tokenizer.sval);
+	}
+
+	private boolean nextToken() throws IOException {
+		return tokenizer.nextToken() != StreamTokenizer.TT_EOF;
+	}
+
+};

com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/VCDSignal.java

@@ -0,0 +1,108 @@
+package com.minres.scviewer.database.vcd;
+
+import java.util.Collections;
+import java.util.NavigableSet;
+import java.util.TreeSet;
+
+import com.minres.scviewer.database.EventTime;
+import com.minres.scviewer.database.HierNode;
+import com.minres.scviewer.database.ISignal;
+import com.minres.scviewer.database.ISignalChange;
+import com.minres.scviewer.database.IWaveformDb;
+import com.minres.scviewer.database.IWaveform;
+import com.minres.scviewer.database.SignalChange;
+
+public class VCDSignal<T extends ISignalChange> extends HierNode implements ISignal<T> {
+
+	private long id;
+
+	private String fullName;
+
+	private final String kind = "signal";
+	
+	private final int width;
+	
+	private VCDDb db;
+
+	TreeSet<ISignalChange> values;
+	
+	public VCDSignal(String name) {
+		this(0, name, 1);
+	}
+
+	public VCDSignal(int id, String name) {
+		this(id,name,1);
+	}
+
+	public VCDSignal(int id, String name, int width) {
+		super(name);
+		fullName=name;
+		this.id=id;
+		this.width=width;
+		this.values=new TreeSet<ISignalChange>();
+	}
+
+	@SuppressWarnings("unchecked")
+	public VCDSignal(IWaveform other, int id, String name) {
+		super(name);
+		fullName=name;
+		this.id=id;
+		assert(other instanceof VCDSignal<?>);
+		this.width=((VCDSignal<? extends ISignalChange>)other).width;
+		this.values=((VCDSignal<T>)other).values;
+	}
+
+	@Override
+	public String getFullName() {
+		return fullName;
+	}
+
+	public void setId(int id) {
+		this.id=id;
+	}
+
+	@Override
+	public Long getId() {
+		return id;
+	}
+
+	@Override
+	public String getKind() {
+		return kind;
+	}
+
+	public int getWidth() {
+		return width;
+	}
+
+	@Override
+	public IWaveformDb getDb() {
+		return db;
+	}
+
+	public void addSignalChange(T change){
+		values.add(change);
+	}
+	
+	@Override
+	public NavigableSet<ISignalChange> getSignalChanges() {
+		return values;
+	}
+
+	@Override
+	public T getSignalChangeByTime(EventTime time) {
+		return (T) values.floor(new SignalChange(time));
+	}
+
+	@Override
+	public NavigableSet<ISignalChange> getSignalChangesByTimes(EventTime start, EventTime end) {
+		ISignalChange low = values.floor(new SignalChange(start));
+		ISignalChange high = values.ceiling(new SignalChange(end));
+		if(high!=null)
+			return values.subSet(low, true, high, true);
+		else
+			return values.subSet(low, true, values.last(), true);
+	}
+
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/VCDSignalChangeMulti.java

@@ -0,0 +1,28 @@
+package com.minres.scviewer.database.vcd;
+
+import com.minres.scviewer.database.EventTime;
+import com.minres.scviewer.database.ISignalChangeMulti;
+import com.minres.scviewer.database.SignalChange;
+
+public class VCDSignalChangeMulti extends SignalChange implements ISignalChangeMulti, Cloneable  {
+
+	private String value;
+	
+	public VCDSignalChangeMulti(EventTime time) {
+		super(time);
+	}
+
+	public VCDSignalChangeMulti(EventTime time, String value) {
+		super(time);
+		this.value=value;
+	}
+
+	public String getValue() {
+		return value;
+	}
+	
+	public void setValue(String value) {
+		this.value = value;
+	}
+
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/VCDSignalChangeSingle.java

@@ -0,0 +1,24 @@
+package com.minres.scviewer.database.vcd;
+
+import com.minres.scviewer.database.EventTime;
+import com.minres.scviewer.database.ISignalChangeSingle;
+import com.minres.scviewer.database.SignalChange;
+
+public class VCDSignalChangeSingle extends SignalChange implements ISignalChangeSingle, Cloneable {
+
+	private char value;
+
+	public VCDSignalChangeSingle(EventTime time, char value) {
+		super(time);
+		this.value=value;
+	}
+
+	public char getValue() {
+		return value;
+	}
+
+	public void setValue(char value) {
+		this.value = value;
+	}
+	
+}

com.minres.scviewer.ui/META-INF/MANIFEST.MF

@@ -20,4 +20,3 @@ Bundle-ActivationPolicy: lazy
 Import-Package: org.eclipse.ui.views.contentoutline
 Bundle-ClassPath: .,
  swing2swt.jar
-Service-Component: OSGI-INF/component.xml

com.minres.scviewer.ui/OSGI-INF/component.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" name="com.minres.scviewer.ui">
-   <implementation class="com.minres.scviewer.ui.TxEditorPlugin"/>
-   <reference bind="setTransactionDbFactory" cardinality="0..n" interface="com.minres.scviewer.database.ITransactionDbFactory" name="ITransactionDbFactory" policy="dynamic" unbind="unsetTransactionDbFactory"/>
-</scr:component>

com.minres.scviewer.ui/plugin.xml

@@ -21,8 +21,8 @@
             class="com.minres.scviewer.ui.TxEditorPart"
             contributorClass="com.minres.scviewer.ui.TxEditorActionBarContributor"
             extensions="txdb"
-            filenames="*.txdb,*.txlog"
+            filenames="*.txdb,*.txlog,*.vcd"
-            icon="icons/scviewer.gif"
+            icon="res/images/scviewer.png"
             id="com.minres.scviewer.ui.TxEditorPart"
             name="Wave Viewer">
       </editor>

com.minres.scviewer.ui/src/com/minres/scviewer/ui/TxEditorPart.java

@@ -13,7 +13,6 @@ package com.minres.scviewer.ui;
 import java.io.File;
 import java.util.List;
 
-import org.eclipse.core.resources.IFile;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.jface.dialogs.MessageDialog;
@@ -25,7 +24,6 @@ import org.eclipse.ui.IFileEditorInput;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.ide.FileStoreEditorInput;
-import org.eclipse.ui.internal.ide.dialogs.IFileStoreFilter;
 import org.eclipse.ui.part.EditorPart;
 import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
 import org.eclipse.ui.views.properties.IPropertySheetPage;
@@ -33,12 +31,12 @@ import org.eclipse.ui.views.properties.tabbed.ITabbedPropertySheetPageContributo
 import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.FrameworkUtil;
-import org.osgi.framework.InvalidSyntaxException;
 import org.osgi.framework.ServiceReference;
 
-import com.minres.scviewer.database.ITrDb;
+import com.minres.scviewer.database.IWaveformDb;
-import com.minres.scviewer.database.ITrStream;
+import com.minres.scviewer.database.ITxStream;
-import com.minres.scviewer.database.ITransactionDbFactory;
+import com.minres.scviewer.database.IWaveformDbFactory;
+import com.minres.scviewer.database.IWaveform;
 import com.minres.scviewer.ui.swt.TxDisplay;
 import com.minres.scviewer.ui.views.TxOutlinePage;
 
@@ -51,7 +49,7 @@ public class TxEditorPart extends EditorPart implements ITabbedPropertySheetPage
 	private TxDisplay txDisplay;
 	
 	/** This is the root of the editor's model. */
-	private ITrDb database;
+	private IWaveformDb database;
 
 	private Composite myParent;
 
@@ -85,7 +83,7 @@ public class TxEditorPart extends EditorPart implements ITabbedPropertySheetPage
 		if(getEditorInput()!=null && ((TxEditorInput) getEditorInput()).getStreamNames().size()>0 && database!=null){
 			if(MessageDialog.openConfirm(parent.getShell(), "Confirm", "Do you want the restore last state of the wave form?"))
 				for(String streamName:((TxEditorInput) getEditorInput()).getStreamNames()){
-					ITrStream stream = database.getStreamByName(streamName);
+					IWaveform stream = database.getStreamByName(streamName);
 					if(stream!=null)
 						txDisplay.addStream(stream);
 				}
@@ -126,10 +124,10 @@ public class TxEditorPart extends EditorPart implements ITabbedPropertySheetPage
 	protected void getTrDatabase(File file) {
 		try {
 			BundleContext context = FrameworkUtil.getBundle(this.getClass()).getBundleContext();
-			ServiceReference<?>[] serviceReferences = context.getServiceReferences(ITransactionDbFactory.class.getName(), null);
+			ServiceReference<?>[] serviceReferences = context.getServiceReferences(IWaveformDbFactory.class.getName(), null);
 			if(serviceReferences!=null){
 				for(ServiceReference<?> serviceReference:serviceReferences){
-					database = ((ITransactionDbFactory) context.getService(serviceReference)).createDatabase(file);
+					database = ((IWaveformDbFactory) context.getService(serviceReference)).createDatabase(file);
 					if(database!=null){
 						if(txDisplay !=null) database.addPropertyChangeListener(txDisplay);
 						return;
@@ -180,7 +178,7 @@ public class TxEditorPart extends EditorPart implements ITabbedPropertySheetPage
 		return super.getAdapter(type);
 	}
 
-	public ITrDb getModel() {
+	public IWaveformDb getModel() {
 		return database;
 	}
 
@@ -202,38 +200,38 @@ public class TxEditorPart extends EditorPart implements ITabbedPropertySheetPage
 		return false;
 	}
 
-	public ITrDb getDatabase() {
+	public IWaveformDb getDatabase() {
 		return database;
 	}
 
-	public void addStreamToList(ITrStream stream){
+	public void addStreamToList(IWaveform obj){
-		if(getEditorInput() instanceof TxEditorInput && !((TxEditorInput) getEditorInput()).getStreamNames().contains(stream.getFullName())){
+		if(getEditorInput() instanceof TxEditorInput && !((TxEditorInput) getEditorInput()).getStreamNames().contains(obj.getFullName())){
-			((TxEditorInput) getEditorInput()).getStreamNames().add(stream.getFullName());
+			((TxEditorInput) getEditorInput()).getStreamNames().add(obj.getFullName());
-			txDisplay.addStream(stream);
+			txDisplay.addStream(obj);
 		} else
-			txDisplay.addStream(stream);
+			txDisplay.addStream(obj);
 			
 	}
 	
-	public void addStreamsToList(ITrStream[] streams){
+	public void addStreamsToList(IWaveform[] iWaveforms){
-		for(ITrStream stream:streams)
+		for(IWaveform stream:iWaveforms)
 			addStreamToList(stream);
 	}
 
-	public void removeStreamFromList(ITrStream stream){
+	public void removeStreamFromList(IWaveform obj){
-		if(getEditorInput() instanceof TxEditorInput && ((TxEditorInput) getEditorInput()).getStreamNames().contains(stream.getFullName())){
+		if(getEditorInput() instanceof TxEditorInput && ((TxEditorInput) getEditorInput()).getStreamNames().contains(obj.getFullName())){
-			((TxEditorInput) getEditorInput()).getStreamNames().remove(stream.getFullName());
+			((TxEditorInput) getEditorInput()).getStreamNames().remove(obj.getFullName());
-			txDisplay.removeStream(stream);
+			txDisplay.removeStream(obj);
 		} else
-			txDisplay.removeStream(stream);
+			txDisplay.removeStream(obj);
 	}
 	
-	public void removeStreamsFromList(ITrStream[] streams){
+	public void removeStreamsFromList(IWaveform[] iWaveforms){
-		for(ITrStream stream:streams)
+		for(IWaveform stream:iWaveforms)
 			removeStreamFromList(stream);
 	}
 	
-	public List<ITrStream> getStreamList(){
+	public List<IWaveform> getStreamList(){
 		return txDisplay.getStreamList();
 	}
 

com.minres.scviewer.ui/src/com/minres/scviewer/ui/TxEditorPlugin.java

@@ -24,7 +24,7 @@ import org.eclipse.ui.plugin.AbstractUIPlugin;
 import org.eclipse.wb.swt.SWTResourceManager;
 import org.osgi.framework.BundleContext;
 
-import com.minres.scviewer.database.ITransactionDbFactory;
+import com.minres.scviewer.database.IWaveformDbFactory;
 
 /**
  * The activator class controls the plug-in life cycle
@@ -133,21 +133,4 @@ public class TxEditorPlugin extends AbstractUIPlugin {
 		return resourceBundle;
 	}
 
-	private ITransactionDbFactory transactionDbFactory;
-	private List<ITransactionDbFactory> factories= new ArrayList<ITransactionDbFactory>();
-	public ITransactionDbFactory getTransactionDbFactory() {
-		return transactionDbFactory;
-	}
-
-	public void setTransactionDbFactory(ITransactionDbFactory transactionDbFactory) {
-		factories.add( transactionDbFactory);
-		System.out.println("Service bound");
-	}
-
-	public void unsetTransactionDbFactory(ITransactionDbFactory transactionDbFactory) {
-		factories.remove(transactionDbFactory);
-		System.out.println("Service unbound");
-	}
-
-
 }

com.minres.scviewer.ui/src/com/minres/scviewer/ui/adapter/AdapterFactory.java

@@ -3,7 +3,7 @@ package com.minres.scviewer.ui.adapter;
 import org.eclipse.core.runtime.IAdapterFactory;
 import org.eclipse.ui.views.properties.IPropertySource;
 
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 
 public class AdapterFactory implements IAdapterFactory {
 
@@ -11,7 +11,7 @@ public class AdapterFactory implements IAdapterFactory {
 	@Override
 	public Object getAdapter(Object adaptableObject, Class adapterType) {
 		if (adapterType == IPropertySource.class)
-			return new ITransactionPropertySource((ITransaction) adaptableObject);
+			return new ITransactionPropertySource((ITx) adaptableObject);
 		return null;
 	}
 

com.minres.scviewer.ui/src/com/minres/scviewer/ui/adapter/ITransactionPropertySource.java

@@ -16,11 +16,11 @@ import org.eclipse.ui.views.properties.IPropertyDescriptor;
 import org.eclipse.ui.views.properties.IPropertySource;
 import org.eclipse.ui.views.properties.PropertyDescriptor;
 
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 
 public class ITransactionPropertySource implements IPropertySource {
 
-	private ITransaction iTransaction;
+	private ITx iTransaction;
 
 	public final static String PROPERTY_ID = "ID";
 	public final static String PROPERTY_BEGINTIME = "BEGINTIME";
@@ -29,7 +29,7 @@ public class ITransactionPropertySource implements IPropertySource {
 	
 	protected IPropertyDescriptor[] propertyDescriptors;
 
-	public ITransactionPropertySource(ITransaction iTransaction) {
+	public ITransactionPropertySource(ITx iTransaction) {
 		this.iTransaction=iTransaction;
 		}
 

com.minres.scviewer.ui/src/com/minres/scviewer/ui/swt/IWaveformWidget.java

@@ -0,0 +1,7 @@
+package com.minres.scviewer.ui.swt;
+
+public interface IWaveformWidget {
+
+	Transaction highlight(Object sel);
+
+}

com.minres.scviewer.ui/src/com/minres/scviewer/ui/swt/Ruler.java

@@ -70,9 +70,9 @@ public class Ruler extends Composite {
 		int end=start+e.width;
 		
 		gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
-		gc.fillRectangle(new Rectangle(0, 0, e.width, height));
+		gc.fillRectangle(new Rectangle(e.x, e.y, e.width, height));
 		gc.setBackground(headerBgColor);
-		gc.fillRectangle(new Rectangle(0, 0, e.width, height - 1));
+		gc.fillRectangle(new Rectangle(e.x, e.y, e.width, height - 1));
 		gc.setForeground(headerFgColor);
 		gc.drawLine(0, bottom, e.width, bottom);
 		

com.minres.scviewer.ui/src/com/minres/scviewer/ui/swt/SignalWidget.java

@@ -0,0 +1,168 @@
+package com.minres.scviewer.ui.swt;
+
+import java.util.NavigableSet;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.PaintEvent;
+import org.eclipse.swt.events.PaintListener;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Canvas;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.wb.swt.SWTResourceManager;
+
+import com.minres.scviewer.database.EventTime;
+import com.minres.scviewer.database.ISignal;
+import com.minres.scviewer.database.ISignalChange;
+import com.minres.scviewer.database.ISignalChangeMulti;
+import com.minres.scviewer.database.ISignalChangeSingle;
+import com.minres.scviewer.ui.TxEditorPlugin;
+
+public class SignalWidget extends Canvas implements IWaveformWidget{
+
+	static final int trackHeight = 50;
+	static final int trackInset = 2;
+	static final int txHeight = trackHeight - 2 * trackInset;
+
+	static double zoomFactor = EventTime.NS;
+	private Color lineColor;
+	private Color trackBgColor;
+	private Color color0;
+	private Color color1;
+	private Color colorZ;
+	private Color colorZdark;
+	private Color colorX;
+	private Color colorXdark;
+	private Color colorC;
+	private long length;
+	ISignal<ISignalChange> signal;
+	
+	public SignalWidget(Composite parent, int style) {
+		super(parent, style);
+		addPaintListener(new PaintListener() {
+			public void paintControl(PaintEvent e) {
+				SignalWidget.this.paintControl(e);
+			}
+		});
+		TxEditorPlugin plugin=TxEditorPlugin.getDefault();	
+		lineColor=plugin.getColor(TxEditorPlugin.lineColor);
+		trackBgColor=plugin.getColor(TxEditorPlugin.trackBgDarkColor);
+		color0=SWTResourceManager.getColor(SWT.COLOR_DARK_GREEN);
+		color1=SWTResourceManager.getColor(SWT.COLOR_GREEN);
+		colorZ=SWTResourceManager.getColor(SWT.COLOR_GRAY);
+		colorX=SWTResourceManager.getColor(SWT.COLOR_RED);
+		colorZdark=SWTResourceManager.getColor(SWT.COLOR_DARK_GRAY);
+		colorXdark=SWTResourceManager.getColor(SWT.COLOR_DARK_RED);
+		colorC=SWTResourceManager.getColor(SWT.COLOR_BLUE);
+	}
+
+	public void setTransactions(ISignal<ISignalChange> signal) {
+		this.signal=signal;
+		ISignalChange change = signal.getSignalChanges().last();
+		length=(long) (change.getTime().getValue()/zoomFactor);
+		layout(true,true);
+	}
+
+	@Override
+	public Point computeSize (int wHint, int hHint, boolean changed) {
+		return new Point((int) length, trackHeight);		
+	}
+
+	void paintControl(PaintEvent e) {
+		GC gc = e.gc;
+		gc.setForeground(lineColor);
+		gc.setFillRule(SWT.FILL_EVEN_ODD);
+		gc.setBackground(trackBgColor);
+		gc.setLineWidth(1);
+		gc.setLineStyle(SWT.LINE_SOLID);
+		gc.fillRectangle(new Rectangle(e.x, e.y, e.width, e.height));
+		ISignalChange lastChange = null;
+		NavigableSet<ISignalChange> visibleChanges = signal.getSignalChangesByTimes(
+				new EventTime((long) (e.x*zoomFactor), "fs"), 
+				new EventTime((long) ((e.x+e.width)*zoomFactor), "fs"));
+		for(ISignalChange actChange:visibleChanges){
+			if(lastChange!=null){
+				drawValues(e, gc, lastChange, actChange);
+			}
+			lastChange=actChange;
+		}
+	}
+
+	protected void drawValues(PaintEvent e, GC gc, ISignalChange lastChange, ISignalChange actChange) {
+		if(lastChange instanceof ISignalChangeSingle){
+			int yOffset = trackHeight/2;
+			Color color = colorX;
+			switch(((ISignalChangeSingle) lastChange).getValue()){
+			case '1':
+				color=color1;
+				yOffset = trackHeight/3;
+				break;
+			case '0':
+				color=color0;
+				yOffset = 2*trackHeight/3;
+				break;
+			case 'Z':
+				color=colorZ;
+				break;
+			default:	
+			}
+			gc.setForeground(color);
+			int endTime= (int)(actChange.getTime().getValue()/zoomFactor);
+			gc.drawLine((int)(lastChange.getTime().getValue()/zoomFactor), yOffset,
+					endTime, yOffset);
+			int yNext =  trackHeight/2;
+			switch(((ISignalChangeSingle) actChange).getValue()){
+			case '1':
+				yNext = trackHeight/3;
+				break;
+			case '0':
+				yNext = 2*trackHeight/3;
+				break;
+			default:	
+			}
+			gc.setForeground(colorC);
+			if(yOffset<yNext)
+				gc.drawLine(endTime, yOffset, endTime, yNext);
+			else
+				gc.drawLine(endTime, yNext, endTime, yOffset);
+			
+		} else if(lastChange instanceof ISignalChangeMulti){
+			int yOffsetT = trackHeight/3;
+			int yOffsetM = trackHeight/2;
+			int yOffsetB = 2*trackHeight/3;
+			Color color = color1;
+			Color colorBorder = color0;
+			ISignalChangeMulti last = (ISignalChangeMulti) lastChange;
+			if(last.getValue().contains("X")){
+				color=colorX;
+				colorBorder=colorXdark;
+			}else if(last.getValue().contains("Z")){
+				color=colorZ;
+				colorBorder=colorZdark;
+			}
+			int beginTime= (int)(lastChange.getTime().getValue()/zoomFactor);
+			int endTime= (int)(actChange.getTime().getValue()/zoomFactor);
+			int[] points = {
+					beginTime,yOffsetM, 
+					beginTime+1,yOffsetT, 
+					endTime-1,yOffsetT, 
+					endTime,yOffsetM, 
+					endTime-1,yOffsetB, 
+					beginTime+1,yOffsetB
+			};
+			gc.setBackground(color);
+			gc.fillPolygon(points);
+			gc.setForeground(colorBorder);
+			gc.drawPolygon(points);
+			gc.drawText(last.getValue(), beginTime+1, yOffsetT+1);
+		}
+	}
+
+	@Override
+	public Transaction highlight(Object sel) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+}

com.minres.scviewer.ui/src/com/minres/scviewer/ui/swt/Track.java

@@ -21,10 +21,10 @@ import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Layout;
 
 import com.minres.scviewer.database.EventTime;
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 import com.minres.scviewer.ui.TxEditorPlugin;
 
-public class Track extends Composite implements MouseListener {
+public class Track extends Composite implements IWaveformWidget, MouseListener {
 
 	static final int trackHeight = 50;
 	static final int trackInset = 2;
@@ -34,9 +34,9 @@ public class Track extends Composite implements MouseListener {
 	private Color lineColor;
 	private Color trackBgColor;
 	
-	private ITransaction highlightedTx=null;
+	private ITx highlightedTx=null;
 	
-	private HashMap<ITransaction, Transaction> transactionMap =  new HashMap<ITransaction, Transaction>();
+	private HashMap<ITx, Transaction> transactionMap =  new HashMap<ITx, Transaction>();
 	
 	class TrackLayoutData {
 		protected int x, y;
@@ -121,11 +121,11 @@ public class Track extends Composite implements MouseListener {
 	}
 
 
-	public void setTransactions(List<ITransaction> transactions) {
+	public void setTransactions(List<ITx> transactions) {
-		Vector<ITransaction> rowendtime = new Vector<ITransaction>();
+		Vector<ITx> rowendtime = new Vector<ITx>();
-		for (ITransaction tx : transactions) {
+		for (ITx tx : transactions) {
 			int rowIdx = 0;
-			for (ITransaction lastTx : rowendtime) {
+			for (ITx lastTx : rowendtime) {
 				if((lastTx.getEndTime().getValue()-lastTx.getBeginTime().getValue())>0){
 					if (lastTx.getEndTime().compareTo(tx.getBeginTime())<=0 )
 						break;
@@ -187,16 +187,19 @@ public class Track extends Composite implements MouseListener {
 		this.notifyListeners(SWT.MouseUp, event);
 	}
 	
-	public Transaction highlightTransaction(ITransaction tx){
+	public Transaction highlight(Object obj){
-		if(highlightedTx!=null){
+		if(obj instanceof ITx){
-			transactionMap.get(highlightedTx).highlight(false);
+			ITx tx = (ITx) obj;
-			highlightedTx=null;
+			if(highlightedTx!=null){
-		}
+				transactionMap.get(highlightedTx).highlight(false);
-		if(tx!=null && transactionMap.containsKey(tx)){
+				highlightedTx=null;
-			Transaction trans = transactionMap.get(tx);
+			}
-			trans.highlight(true);
+			if(tx!=null && transactionMap.containsKey(tx)){
-			highlightedTx=tx;
+				Transaction trans = transactionMap.get(tx);
-			return trans;
+				trans.highlight(true);
+				highlightedTx=tx;
+				return trans;
+			}
 		}
 		return null;
 	}

com.minres.scviewer.ui/src/com/minres/scviewer/ui/swt/TxDisplay.java

@@ -52,14 +52,17 @@ import org.eclipse.wb.swt.SWTResourceManager;
 
 import swing2swt.layout.BorderLayout;
 
-import com.minres.scviewer.database.ITrStream;
+import com.minres.scviewer.database.ISignal;
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ISignalChange;
+import com.minres.scviewer.database.ITxStream;
+import com.minres.scviewer.database.ITx;
+import com.minres.scviewer.database.IWaveform;
 
 public class TxDisplay implements PropertyChangeListener, ISelectionProvider, MouseListener{
 
     private ListenerList listeners = new ListenerList();
-    private ITrStream currentStreamSelection;  
+    private ITxStream currentStreamSelection;  
-    private ITransaction currentSelection;
+    private ITx currentSelection;
 	private ScrolledComposite valueListScrolled;
 	private ScrolledComposite nameListScrolled;
 	private Composite nameList;
@@ -67,10 +70,10 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
 	private ScrolledComposite trackListScrolled;
 	private Composite trackList;
 	private Composite top;
-	private ArrayList<ITrStream> streams=new ArrayList<ITrStream>();
+	private ArrayList<IWaveform> streams=new ArrayList<IWaveform>();
 	private Composite trackPane;
 	private Ruler ruler;
-	private HashMap<ITrStream, Track> trackMap = new HashMap<ITrStream, Track>();
+	private HashMap<IWaveform, IWaveformWidget> trackMap = new HashMap<IWaveform, IWaveformWidget>();
 
     public TxDisplay(Composite parent) {
 		top = new Composite(parent, SWT.NONE);
@@ -207,40 +210,63 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
 	}
 
 	public void streamListChanged() {
-		LinkedList<ITrStream>toAdd = new LinkedList<ITrStream>();
+		LinkedList<IWaveform>toAdd = new LinkedList<IWaveform>();
 		toAdd.addAll(streams);
 		for(Control child:trackList.getChildren()){
-			Track track = (Track) child;
+			IWaveform stream=(IWaveform) child.getData("WAVEFORM");
-			Control c = (Control)track.getData("NAMEWIDGET");
-			ITrStream stream=(ITrStream) track.getData("STREAM");
 			if(!streams.contains(stream)){
-				track.setVisible(false);
+				child.setVisible(false);
-				c.setVisible(false);
+				((Control)(child.getData("NAMEWIDGET"))).setVisible(false);
+				((Control)(child.getData("VALUEWIDGET"))).setVisible(false);
 			}else{
 				toAdd.remove(stream);
-				track.setVisible(true);
+				child.setVisible(true);
-				c.setVisible(true);
+				((Control)(child.getData("NAMEWIDGET"))).setVisible(true);
+				((Control)(child.getData("VALUEWIDGET"))).setVisible(true);
 			}
 		}
-		for(ITrStream stream: toAdd){
+		for(IWaveform wave: toAdd){
-			Track track = new Track(trackList,SWT.NONE);
+			if(wave instanceof ITxStream){
-			track.setTransactions(stream.getTransactions());
+				ITxStream stream = (ITxStream) wave;
-			track.setData("STREAM", stream);
+				Track track = new Track(trackList,SWT.NONE);
-			track.addMouseListener(this);
+				track.setTransactions(stream.getTransactions());
-			Point trackSize = track.computeSize(SWT.DEFAULT,SWT.DEFAULT);
+				track.setData("WAVEFORM", stream);
-			
+				track.addMouseListener(this);
-			Label trackName = new Label(nameList, SWT.NONE);
+				Point trackSize = track.computeSize(SWT.DEFAULT,SWT.DEFAULT);
-			trackName.setText(stream.getFullName());
+				
-			RowData trackNamelayoutData = new RowData(SWT.DEFAULT, trackSize.y);
+				Label trackName = new Label(nameList, SWT.NONE);
-			trackName.setLayoutData(trackNamelayoutData);
+				trackName.setText(stream.getFullName());
-			track.setData("NAMEWIDGET", trackName);
+				RowData trackNamelayoutData = new RowData(SWT.DEFAULT, trackSize.y);
-			
+				trackName.setLayoutData(trackNamelayoutData);
-			Label trackValue = new Label(valueList, SWT.NONE);
+				track.setData("NAMEWIDGET", trackName);
-			trackValue.setText("-");
+				
-			RowData trackValuelayoutData = new RowData(SWT.DEFAULT, trackSize.y);
+				Label trackValue = new Label(valueList, SWT.NONE);
-			trackValue.setLayoutData(trackValuelayoutData);
+				trackValue.setText("-");
-			track.setData("VALUEWIDGET", trackValue);
+				RowData trackValuelayoutData = new RowData(SWT.DEFAULT, trackSize.y);
-			trackMap.put(stream, track);
+				trackValue.setLayoutData(trackValuelayoutData);
+				track.setData("VALUEWIDGET", trackValue);
+				trackMap.put(stream, track);
+			} else if(wave instanceof ISignal<?>){
+				ISignal<ISignalChange> isignal = (ISignal<ISignalChange>) wave;
+				SignalWidget signal = new SignalWidget(trackList, SWT.NONE);
+				signal.setTransactions(isignal);
+				signal.setData("WAVEFORM", isignal);
+				signal.addMouseListener(this);
+				Point trackSize = signal.computeSize(SWT.DEFAULT,SWT.DEFAULT);
+				
+				Label trackName = new Label(nameList, SWT.NONE);
+				trackName.setText(isignal.getFullName());
+				RowData trackNamelayoutData = new RowData(SWT.DEFAULT, trackSize.y);
+				trackName.setLayoutData(trackNamelayoutData);
+				signal.setData("NAMEWIDGET", trackName);
+				
+				Label trackValue = new Label(valueList, SWT.NONE);
+				trackValue.setText("-");
+				RowData trackValuelayoutData = new RowData(SWT.DEFAULT, trackSize.y);
+				trackValue.setLayoutData(trackValuelayoutData);
+				signal.setData("VALUEWIDGET", trackValue);
+				trackMap.put(isignal, signal);
+			}
 		}
 		recalculateNameBounds();
 		recalculateValueBounds();		
@@ -276,9 +302,9 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
 	@Override
 	public void propertyChange(PropertyChangeEvent pce) {
 		currentSelection=null;
-		ITrStream str = (ITrStream)pce.getNewValue();
+		ITxStream str = (ITxStream)pce.getNewValue();
-		if(str instanceof ITrStream)
+		if(str instanceof ITxStream)
-			currentStreamSelection=(ITrStream)str;
+			currentStreamSelection=(ITxStream)str;
 		if(currentStreamSelection!=null)
 			setSelection(getSelection());
 		else
@@ -309,15 +335,15 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
 	public void setSelection(ISelection selection) {
 		if(selection instanceof IStructuredSelection){
 			Object sel =((IStructuredSelection)selection).getFirstElement();
-			if(sel instanceof ITransaction && currentSelection!=sel){
+			if(sel instanceof ITx && currentSelection!=sel){
 				if(currentSelection!=null){
-					ITrStream stream = currentSelection.getGenerator().getStream();
+					ITxStream stream = currentSelection.getGenerator().getStream();
-					if(trackMap.containsKey(stream)) trackMap.get(stream).highlightTransaction(null);
+					if(trackMap.containsKey(stream)) trackMap.get(stream).highlight(null);
 				}
-				currentSelection=(ITransaction) sel;
+				currentSelection=(ITx) sel;
-				ITrStream stream = currentSelection.getGenerator().getStream();
+				ITxStream stream = currentSelection.getGenerator().getStream();
 				if(trackMap.containsKey(stream)){
-					Transaction trans = trackMap.get(stream).highlightTransaction(currentSelection);
+					Transaction trans = trackMap.get(stream).highlight(sel);
 					trackListScrolled.showControl(trans);
 				}
 				Object[] list = listeners.getListeners();  
@@ -337,7 +363,7 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
 		if(e.data!=null){
 			StructuredSelection sel = new StructuredSelection(((Transaction)e.data).getData());
 			setSelection(sel);
-		}else{
+		}else if(e.widget instanceof Track){
 			StructuredSelection sel = new StructuredSelection(new Object[]{ ((Track)e.widget).getData()});
 			setSelection(sel);
 		}
@@ -347,26 +373,26 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
 	public void mouseUp(MouseEvent e) {		
 	}
 	
-	public boolean addStream(ITrStream paramE){
+	public boolean addStream(IWaveform stream){
-		boolean res = streams.add(paramE);
+		boolean res = streams.add(stream);
 		streamListChanged();
 		return res;
 	}
 
-	public boolean addAllStreams(ITrStream[] streams) {
+	public boolean addAllStreams(ITxStream[] streams) {
 		boolean res =  this.streams.addAll(Arrays.asList(streams));
 		streamListChanged();
 		return res;
 	}
 
-	public boolean addAllStreams(Collection<? extends ITrStream> paramCollection){
+	public boolean addAllStreams(Collection<? extends ITxStream> paramCollection){
 		boolean res =  streams.addAll(paramCollection);
 		streamListChanged();
 		return res;
 	}
 
-	public boolean removeStream(ITrStream paramObject){
+	public boolean removeStream(IWaveform obj){
-		boolean res =  streams.remove(paramObject);
+		boolean res =  streams.remove(obj);
 		streamListChanged();
 		return res;
 	}
@@ -377,11 +403,11 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
 		return res;
 	}
 
-	public List<ITrStream> getStreamList(){
+	public List<IWaveform> getStreamList(){
 		return Collections.unmodifiableList(streams);
 	}
 
-	public boolean removeAllStreams(ITrStream[] streams) {
+	public boolean removeAllStreams(ITxStream[] streams) {
 		boolean res =  this.streams.removeAll(Arrays.asList(streams));
 		streamListChanged();
 		return res;

com.minres.scviewer.ui/src/com/minres/scviewer/ui/views/TxOutlinePage.java

@@ -35,9 +35,10 @@ import org.eclipse.ui.part.IPageSite;
 import org.eclipse.ui.views.contentoutline.ContentOutline;
 import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
 
-import com.minres.scviewer.database.ITrHierNode;
+import com.minres.scviewer.database.IHierNode;
-import com.minres.scviewer.database.ITrStream;
+import com.minres.scviewer.database.ITxStream;
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
+import com.minres.scviewer.database.IWaveform;
 import com.minres.scviewer.ui.TxEditorPart;
 import com.minres.scviewer.ui.views.provider.TxDbTreeContentProvider;
 import com.minres.scviewer.ui.views.provider.TxDbTreeLabelProvider;
@@ -124,10 +125,10 @@ public class TxOutlinePage extends ContentOutlinePage implements  ISelectionList
 		if(selection instanceof IStructuredSelection){
 			IStructuredSelection sel = (IStructuredSelection) selection;
 			Object obj = sel.getFirstElement();
-			menuMgr.add(makeStreamAction("Add to Wave", ISharedImages.IMG_OBJ_ADD, sel, obj instanceof ITrStream, false));
+			menuMgr.add(makeStreamAction("Add to Wave", ISharedImages.IMG_OBJ_ADD, sel, obj instanceof IWaveform, false));
 			menuMgr.add(makeStreamAction("Add all to Wave", ISharedImages.IMG_OBJ_ADD, sel, true, false));
-			menuMgr.add(makeStreamAction("Remove from Wave", ISharedImages.IMG_TOOL_DELETE, sel, obj instanceof ITrStream,true));
+//			menuMgr.add(makeStreamAction("Remove from Wave", ISharedImages.IMG_TOOL_DELETE, sel, obj instanceof IWaveform, true));
-			menuMgr.add(makeStreamAction("Remove all from Wave", ISharedImages.IMG_TOOL_DELETE, sel, true, true));	
+//			menuMgr.add(makeStreamAction("Remove all from Wave", ISharedImages.IMG_TOOL_DELETE, sel, true, true));	
 		}
 	}
 
@@ -168,8 +169,8 @@ public class TxOutlinePage extends ContentOutlinePage implements  ISelectionList
          ISelection selection = anEvent.getSelection();
          if (!selection.isEmpty()) {
              Object tmp = ((IStructuredSelection) selection).getFirstElement();
-             if (tmp instanceof ITrHierNode) {
+             if (tmp instanceof IHierNode) {
-            	 fireSelectionChanged(new StructuredSelection((ITrHierNode) tmp));
+            	 fireSelectionChanged(new StructuredSelection((IHierNode) tmp));
              }
          }
      }
@@ -179,31 +180,31 @@ public class TxOutlinePage extends ContentOutlinePage implements  ISelectionList
 			public void run() {
 				if(selection!=null)
 					for(Object obj :selection.toArray()){
-						if(obj instanceof ITrStream){
+						if(obj instanceof IWaveform){
 							if(remove)
-								editor.removeStreamFromList((ITrStream) obj);
+								editor.removeStreamFromList((IWaveform) obj);
 							else
-								editor.addStreamToList((ITrStream) obj);
+								editor.addStreamToList((IWaveform) obj);
-						} else if(obj instanceof ITrHierNode){
+						} else if(obj instanceof IHierNode){
-							LinkedList<ITrHierNode> queue = new LinkedList<ITrHierNode>();
+							LinkedList<IHierNode> queue = new LinkedList<IHierNode>();
-							LinkedList<ITrStream> streams = new LinkedList<ITrStream>();
+							LinkedList<IWaveform> streams = new LinkedList<IWaveform>();
-							queue.add((ITrHierNode)obj);
+							queue.add((IHierNode)obj);
 							while(queue.size()>0){
-								ITrHierNode n = queue.poll();
+								IHierNode n = queue.poll();
-								if(n instanceof ITrStream) streams.add((ITrStream) n);
+								if(n instanceof IWaveform) streams.add((IWaveform) n);
 								queue.addAll(n.getChildNodes());
 							}
 							if(remove)
-								editor.removeStreamsFromList(streams.toArray(new ITrStream[]{}));
+								editor.removeStreamsFromList(streams.toArray(new IWaveform[]{}));
 							else
-								editor.addStreamsToList(streams.toArray(new ITrStream[]{}));
+								editor.addStreamsToList(streams.toArray(new IWaveform[]{}));
 						}
 					}
 			}
 		};
 		action.setText(text);
 		action.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(imgDescriptor));
-		if(selection.getFirstElement() instanceof ITrStream && editor.getStreamList().contains(selection.getFirstElement()))
+		if(selection.getFirstElement() instanceof IWaveform && editor.getStreamList().contains(selection.getFirstElement()))
 			action.setEnabled(false);
 		else
 			action.setEnabled(true);

com.minres.scviewer.ui/src/com/minres/scviewer/ui/views/provider/TxDbTreeContentProvider.java

@@ -13,19 +13,19 @@ package com.minres.scviewer.ui.views.provider;
 import org.eclipse.jface.viewers.ITreeContentProvider;
 import org.eclipse.jface.viewers.Viewer;
 
-import com.minres.scviewer.database.ITrDb;
+import com.minres.scviewer.database.IWaveformDb;
-import com.minres.scviewer.database.ITrHierNode;
+import com.minres.scviewer.database.IHierNode;
 
 public class TxDbTreeContentProvider implements ITreeContentProvider {
 
-	private ITrDb database;
+	private IWaveformDb database;
 	
 	@Override
 	public void dispose() {	}
 
 	@Override
 	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
-		database=(ITrDb)newInput;
+		database=(IWaveformDb)newInput;
 	}
 
 	@Override
@@ -35,8 +35,8 @@ public class TxDbTreeContentProvider implements ITreeContentProvider {
 
 	@Override
 	public Object[] getChildren(Object parentElement) {
-		if(parentElement instanceof ITrHierNode){
+		if(parentElement instanceof IHierNode){
-			return ((ITrHierNode)parentElement).getChildNodes().toArray();
+			return ((IHierNode)parentElement).getChildNodes().toArray();
 		}
 		return null;
 	}

com.minres.scviewer.ui/src/com/minres/scviewer/ui/views/provider/TxDbTreeLabelProvider.java

@@ -17,9 +17,10 @@ import org.eclipse.jface.viewers.ILabelProvider;
 import org.eclipse.jface.viewers.ILabelProviderListener;
 import org.eclipse.swt.graphics.Image;
 
-import com.minres.scviewer.database.ITrDb;
+import com.minres.scviewer.database.ISignal;
-import com.minres.scviewer.database.ITrHierNode;
+import com.minres.scviewer.database.IWaveformDb;
-import com.minres.scviewer.database.ITrStream;
+import com.minres.scviewer.database.IHierNode;
+import com.minres.scviewer.database.ITxStream;
 import com.minres.scviewer.ui.TxEditorPlugin;
 
 public class TxDbTreeLabelProvider implements ILabelProvider {
@@ -28,6 +29,7 @@ public class TxDbTreeLabelProvider implements ILabelProvider {
 
 	private Image database;
 	private Image stream;
+	private Image signal;
 	private Image folder;
 	
 	
@@ -36,6 +38,7 @@ public class TxDbTreeLabelProvider implements ILabelProvider {
 		database=TxEditorPlugin.createImage("database");
 		stream=TxEditorPlugin.createImage("stream");
 		folder=TxEditorPlugin.createImage("folder");
+		signal=TxEditorPlugin.createImage("signal");
 	}
 
 	@Override
@@ -48,6 +51,7 @@ public class TxDbTreeLabelProvider implements ILabelProvider {
 		if(database!=null) database.dispose();
 		if(stream!=null) stream.dispose();
 		if(folder!=null) folder.dispose();
+		if(signal!=null) signal.dispose();
 	}
 
 	@Override
@@ -62,11 +66,13 @@ public class TxDbTreeLabelProvider implements ILabelProvider {
 
 	@Override
 	public Image getImage(Object element) {
-		if(element instanceof ITrDb){
+		if(element instanceof IWaveformDb){
 			return database;
-		}else if(element instanceof ITrStream){
+		}else if(element instanceof ITxStream){
 			return stream;
-		}else if(element instanceof ITrHierNode){
+		}else if(element instanceof ISignal<?>){
+			return signal;
+		}else if(element instanceof IHierNode){
 			return folder;
 		} else
 			return null;
@@ -74,7 +80,7 @@ public class TxDbTreeLabelProvider implements ILabelProvider {
 
 	@Override
 	public String getText(Object element) {
-		return ((ITrHierNode)element).getName();
+		return ((IHierNode)element).getName();
 	}
 
 }

com.minres.scviewer.ui/src/com/minres/scviewer/ui/views/sections/AttributeProperty.java

@@ -44,8 +44,8 @@ import org.eclipse.ui.views.properties.tabbed.AbstractPropertySection;
 import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
 
 import com.minres.scviewer.database.AssociationType;
-import com.minres.scviewer.database.ITrAttribute;
+import com.minres.scviewer.database.ITxAttribute;
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 
 public class AttributeProperty extends AbstractPropertySection implements ISelectionProvider {
 
@@ -53,7 +53,7 @@ public class AttributeProperty extends AbstractPropertySection implements ISelec
 
 	private ListenerList listeners = new ListenerList();
 
-	private ITransaction iTr;
+	private ITx iTr;
 
 	private ISelection currentSelection;
 
@@ -104,19 +104,19 @@ public class AttributeProperty extends AbstractPropertySection implements ISelec
 
 		treeViewer.setAutoExpandLevel(2);
 		treeViewer.setContentProvider(new ITreeContentProvider() {
-			TreeMap<String, List<ITrAttribute>> hier = new TreeMap<String, List<ITrAttribute>>();
+			TreeMap<String, List<ITxAttribute>> hier = new TreeMap<String, List<ITxAttribute>>();
-			HashMap<ITrAttribute, String> parents = new HashMap<ITrAttribute, String>();
+			HashMap<ITxAttribute, String> parents = new HashMap<ITxAttribute, String>();
 
 			@Override
 			public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
-				if (newInput instanceof  ITransaction) {
+				if (newInput instanceof  ITx) {
-					List<ITrAttribute> attributes = ((ITransaction)newInput).getAttributes();
+					List<ITxAttribute> attributes = ((ITx)newInput).getAttributes();
 					hier.clear();
 					parents.clear();
 
 					String location="Begin";
-					List<ITrAttribute> childs=new LinkedList<ITrAttribute>();
+					List<ITxAttribute> childs=new LinkedList<ITxAttribute>();
-					for (ITrAttribute attr : attributes)
+					for (ITxAttribute attr : attributes)
 						if (attr != null && attr.getType()==AssociationType.BEGIN){
 							childs.add(attr);
 							parents.put(attr, location);
@@ -124,8 +124,8 @@ public class AttributeProperty extends AbstractPropertySection implements ISelec
 					if(childs.size()>0) hier.put(location, childs);
 					
 					location="Transaction";
-					childs=new LinkedList<ITrAttribute>();
+					childs=new LinkedList<ITxAttribute>();
-					for (ITrAttribute attr : attributes)
+					for (ITxAttribute attr : attributes)
 						if (attr != null && attr.getType()==AssociationType.RECORD){
 							childs.add(attr);
 							parents.put(attr, location);
@@ -133,8 +133,8 @@ public class AttributeProperty extends AbstractPropertySection implements ISelec
 					if(childs.size()>0) hier.put(location, childs);
 
 					location="End";
-					childs=new LinkedList<ITrAttribute>();
+					childs=new LinkedList<ITxAttribute>();
-					for (ITrAttribute attr : attributes)
+					for (ITxAttribute attr : attributes)
 						if (attr != null && attr.getType()==AssociationType.END){
 							childs.add(attr);
 							parents.put(attr, location);
@@ -154,7 +154,7 @@ public class AttributeProperty extends AbstractPropertySection implements ISelec
 
 			@Override
 			public Object getParent(Object element) {
-				if (element instanceof ITrAttribute)
+				if (element instanceof ITxAttribute)
 					return parents.get(element);
 				else
 					return null;
@@ -192,8 +192,8 @@ public class AttributeProperty extends AbstractPropertySection implements ISelec
 			public String getColumnText(Object element, int columnIndex) {
 				if (columnIndex == 0 && element instanceof String)
 					return element.toString();
-				else if(element instanceof ITrAttribute){
+				else if(element instanceof ITxAttribute){
-					ITrAttribute attr = (ITrAttribute)element;
+					ITxAttribute attr = (ITxAttribute)element;
 					if (columnIndex == 1 )
 						return attr.getName();
 					else if (columnIndex == 2 )
@@ -235,8 +235,8 @@ public class AttributeProperty extends AbstractPropertySection implements ISelec
 		currentSelection = null;
 		Assert.isTrue(selection instanceof IStructuredSelection);
 		Object input = ((IStructuredSelection) selection).getFirstElement();
-		Assert.isTrue(input instanceof ITransaction);
+		Assert.isTrue(input instanceof ITx);
-		iTr = (ITransaction) input;
+		iTr = (ITx) input;
 	}
 
 	public void refresh() {

com.minres.scviewer.ui/src/com/minres/scviewer/ui/views/sections/RelatedProperty.java

@@ -49,8 +49,8 @@ import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.views.properties.tabbed.AbstractPropertySection;
 import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
 
-import com.minres.scviewer.database.ITrRelation;
+import com.minres.scviewer.database.ITxRelation;
-import com.minres.scviewer.database.ITransaction;
+import com.minres.scviewer.database.ITx;
 import com.minres.scviewer.database.RelationType;
 
 public class RelatedProperty extends AbstractPropertySection implements ISelectionProvider, ISelectionChangedListener {
@@ -59,7 +59,7 @@ public class RelatedProperty extends AbstractPropertySection implements ISelecti
 
 	private ListenerList listeners = new ListenerList();
 
-	private ITransaction iTr;
+	private ITx iTr;
 
 	private ISelection currentSelection;
 
@@ -105,26 +105,26 @@ public class RelatedProperty extends AbstractPropertySection implements ISelecti
 
 		treeViewer.setAutoExpandLevel(2);
 		treeViewer.setContentProvider(new ITreeContentProvider() {
-			TreeMap<String, Collection<ITrRelation>> hier = new TreeMap<String, Collection<ITrRelation>>();
+			TreeMap<String, Collection<ITxRelation>> hier = new TreeMap<String, Collection<ITxRelation>>();
-			HashMap<ITrRelation, String> parents = new HashMap<ITrRelation, String>();
+			HashMap<ITxRelation, String> parents = new HashMap<ITxRelation, String>();
 
 			@Override
 			public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
-				if (newInput instanceof ITransaction) {
+				if (newInput instanceof ITx) {
 					hier.clear();
 					parents.clear();
 					String relName = "incoming";
-					Collection<ITrRelation> relSet = ((ITransaction)newInput).getIncomingRelations();
+					Collection<ITxRelation> relSet = ((ITx)newInput).getIncomingRelations();
 					if (relSet != null && relSet.size() > 0) {
 						hier.put(relName, relSet);
-						for (ITrRelation rel : relSet)
+						for (ITxRelation rel : relSet)
 							parents.put(rel, relName);
 					}
 					relName = "outgoing";
-					relSet = ((ITransaction)newInput).getOutgoingRelations();
+					relSet = ((ITx)newInput).getOutgoingRelations();
 					if (relSet != null && relSet.size() > 0) {
 						hier.put(relName, relSet);
-						for (ITrRelation rel : relSet)
+						for (ITxRelation rel : relSet)
 							parents.put(rel, relName);
 					}
 				}
@@ -141,7 +141,7 @@ public class RelatedProperty extends AbstractPropertySection implements ISelecti
 
 			@Override
 			public Object getParent(Object element) {
-				if (element instanceof ITransaction)
+				if (element instanceof ITx)
 					return parents.get(element);
 				else
 					return null;
@@ -179,14 +179,14 @@ public class RelatedProperty extends AbstractPropertySection implements ISelecti
 			public String getColumnText(Object element, int columnIndex) {
 				if (columnIndex == 0 && element instanceof String)
 					return element.toString();
-				else if (columnIndex == 1 && element instanceof ITrRelation)
+				else if (columnIndex == 1 && element instanceof ITxRelation)
-					return ((ITrRelation) element).getRelationType().getName();
+					return ((ITxRelation) element).getRelationType().getName();
-				else if (columnIndex == 2 && element instanceof ITrRelation){
+				else if (columnIndex == 2 && element instanceof ITxRelation){
-					ITrRelation rel = (ITrRelation) element;
+					ITxRelation rel = (ITxRelation) element;
 					if(rel.getTarget()==iTr) 
-						return ((ITrRelation) element).getSource().getId().toString();
+						return ((ITxRelation) element).getSource().getId().toString();
 					else
-						return ((ITrRelation) element).getTarget().getId().toString();
+						return ((ITxRelation) element).getTarget().getId().toString();
 				}
 				else
 					return null;
@@ -217,13 +217,13 @@ public class RelatedProperty extends AbstractPropertySection implements ISelecti
 //		}
 	}
 
-	private Action makeTransactionAction(final Object obj, final ITransaction transaction) {
+	private Action makeTransactionAction(final Object obj, final ITx transaction) {
 		Action action = new Action() {
 			public void run() {
-				if(obj instanceof ITrRelation){
+				if(obj instanceof ITxRelation){
 					IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
-					ITransaction targetTransaction  = ((ITrRelation)obj).getSource()==transaction?
+					ITx targetTransaction  = ((ITxRelation)obj).getSource()==transaction?
-							((ITrRelation)obj).getTarget():((ITrRelation)obj).getSource();
+							((ITxRelation)obj).getTarget():((ITxRelation)obj).getSource();
 					for(IEditorReference editorRef: page.getEditorReferences()){
 						IWorkbenchPart part =editorRef.getPart(false);
 						if(editorRef.getPage().isPartVisible(part)){
@@ -245,8 +245,8 @@ public class RelatedProperty extends AbstractPropertySection implements ISelecti
 		currentSelection = null;
 		Assert.isTrue(selection instanceof IStructuredSelection);
 		Object input = ((IStructuredSelection) selection).getFirstElement();
-		Assert.isTrue(input instanceof ITransaction);
+		Assert.isTrue(input instanceof ITx);
-		iTr = (ITransaction) input;
+		iTr = (ITx) input;
 	}
 
 	public void refresh() {

scv_tr_sqlite/src/scv_tr_recording_example.cpp

@@ -59,8 +59,19 @@ public:
             clk("clk"), rw("rw"), addr_req("addr_req"), addr_ack("addr_ack"), bus_addr("bus_addr"), data_rdy("data_rdy"), bus_data(
                     "bus_data") {
     }
+    virtual void trace( sc_trace_file* tf ) const;
 };
 
+void pipelined_bus_ports::trace( sc_trace_file* tf ) const {
+    sc_trace(tf, clk, clk.name());
+    sc_trace(tf, rw, rw.name());
+    sc_trace(tf, addr_req, addr_req.name());
+    sc_trace(tf, addr_ack, addr_ack.name());
+    sc_trace(tf, bus_addr, bus_addr.name());
+    sc_trace(tf, data_rdy, data_rdy.name());
+    sc_trace(tf, bus_data, bus_data.name());
+}
+
 class rw_pipelined_transactor: public rw_task_if, public pipelined_bus_ports {
 
     fifo_mutex addr_phase;fifo_mutex data_phase;
@@ -325,7 +336,7 @@ int sc_main(int argc, char *argv[]) {
 #endif
     scv_tr_db db(fileName);
     scv_tr_db::set_default_db(&db);
-
+    sc_trace_file* tf = sc_create_vcd_trace_file("my_db");
     // create signals
     sc_clock clk("clk", 20.0, SC_NS, 0.5, 0.0, SC_NS, true);
     sc_signal<bool> rw;
@@ -350,6 +361,7 @@ int sc_main(int argc, char *argv[]) {
     tr.bus_addr(bus_addr);
     tr.data_rdy(data_rdy);
     tr.bus_data(bus_data);
+    tr.trace(tf);
 
     duv.clk(clk);
     duv.rw(rw);
@@ -358,13 +370,14 @@ int sc_main(int argc, char *argv[]) {
     duv.bus_addr(bus_addr);
     duv.data_rdy(data_rdy);
     duv.bus_data(bus_data);
+    duv.trace(tf);
 
     // Accellera SystemC >=2.2 got picky about multiple drivers.
     // Disable check for bus simulation.
     sc_report_handler::set_actions(SC_ID_MORE_THAN_ONE_SIGNAL_DRIVER_, SC_DO_NOTHING);
     // run the simulation
     sc_start(1.0, SC_MS);
-
+    sc_close_vcd_trace_file(tf);
     return 0;
 }