145 lines
3.9 KiB
Java
145 lines
3.9 KiB
Java
/*******************************************************************************
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* Copyright (c) 2012 IT Just working.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IT Just working - initial API and implementation
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*******************************************************************************/
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package com.minres.scviewer.database.text;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map.Entry;
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import java.util.NavigableMap;
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import org.mapdb.BTreeMap;
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import org.mapdb.Serializer;
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import com.minres.scviewer.database.EventKind;
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import com.minres.scviewer.database.HierNode;
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import com.minres.scviewer.database.IEvent;
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import com.minres.scviewer.database.IWaveform;
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import com.minres.scviewer.database.IWaveformDb;
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import com.minres.scviewer.database.WaveformType;
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import com.minres.scviewer.database.tx.ITx;
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import com.minres.scviewer.database.tx.ITxEvent;
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import com.minres.scviewer.database.tx.ITxGenerator;
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class TxStream extends HierNode implements IWaveform, Serializable {
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/**
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*
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*/
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private static final long serialVersionUID = 6721893017334753858L;
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private Long id;
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private IWaveformDb database;
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private ArrayList<ITxGenerator> generators = new ArrayList<ITxGenerator>();
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private int maxConcurrency;
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private BTreeMap<Long, IEvent[]> events;
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@SuppressWarnings("unchecked")
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TxStream(TextDbLoader loader, Long id, String name, String kind){
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super(name);
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this.id=id;
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this.database=loader.db;
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this.maxConcurrency=0;
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//events = new TreeMap<Long, List<ITxEvent>>()
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events = (BTreeMap<Long, IEvent[]>) loader.mapDb.treeMap(name).keySerializer(Serializer.LONG).createOrOpen();
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}
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List<ITxGenerator> getGenerators(){
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return generators;
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}
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@Override
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public IWaveformDb getDb() {
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return database;
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}
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@Override
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public int getWidth() {
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if(maxConcurrency==0){
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for(ITxGenerator generator:getGenerators()) {
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for(ITx tx:generator.getTransactions()){
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putEvent(new TxEvent(EventKind.BEGIN, tx));
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putEvent(new TxEvent(EventKind.END, tx));
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}
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}
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ArrayList<Long> rowendtime = new ArrayList<Long>();
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rowendtime.add(0l);
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for(Long time: events.keySet()){
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IEvent[] value=events.get(time);
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Arrays.asList(value).stream().filter(event -> event.getKind()==EventKind.BEGIN).forEach(event -> {
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ITx tx = ((ITxEvent)event).getTransaction();
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int rowIdx = 0;
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for(rowIdx=0; rowIdx<rowendtime.size() && rowendtime.get(rowIdx)>tx.getBeginTime(); rowIdx++);
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if(rowendtime.size()<=rowIdx)
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rowendtime.add(tx.getEndTime());
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else
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rowendtime.set(rowIdx, tx.getEndTime());
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((Tx)tx).setConcurrencyIndex(rowIdx);
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});
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}
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maxConcurrency=rowendtime.size();
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}
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return maxConcurrency;
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}
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private void putEvent(ITxEvent event){
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if(!events.containsKey(event.getTime()))
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events.put(event.getTime(), new ITxEvent[]{event} );
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else {
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IEvent[] entries = events.get(event.getTime());
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IEvent[] newEntries = Arrays.copyOf(entries, entries.length+1);
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newEntries[entries.length]=event;
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events.put(event.getTime(), newEntries);
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}
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}
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@Override
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public NavigableMap<Long, IEvent[]> getEvents() {
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return (NavigableMap<Long, IEvent[]>)events;
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}
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@Override
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public IEvent[] getEventsAtTime(Long time) {
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return events.get(time);
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}
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@Override
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public boolean isSame(IWaveform other) {
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return(other instanceof TxStream && this.getId()==other.getId());
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}
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@Override
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public IEvent[] getEventsBeforeTime(Long time) {
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Entry<Long, IEvent[]> e = events.floorEntry(time);
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if(e==null)
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return null;
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else
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return events.floorEntry(time).getValue();
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}
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@Override
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public WaveformType getType() {
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return WaveformType.TRANSACTION;
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}
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@Override
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public Long getId() {
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return id;
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}
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}
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