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FlatProfileBuilder.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
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package org.netbeans.lib.profiler.results.cpu;

import org.netbeans.lib.profiler.ContextAware;
import org.netbeans.lib.profiler.ProfilerClient;
import org.netbeans.lib.profiler.results.RuntimeCCTNode;
import org.netbeans.lib.profiler.results.cpu.CPUCallGraphBuilder.ThreadInfo;
import org.netbeans.lib.profiler.results.cpu.cct.CCTFlattener;
import org.netbeans.lib.profiler.results.cpu.cct.CompositeCPUCCTWalker;
import org.netbeans.lib.profiler.results.cpu.cct.nodes.RuntimeCPUCCTNode;

//import org.netbeans.lib.profiler.results.cpu.cct.NodeMarker;
import java.util.logging.Logger;


/**
 *
 * @author Jaroslav Bachorik
 */
00059 public class FlatProfileBuilder implements FlatProfileProvider, CPUCCTProvider.Listener, ContextAware {
    //~ Static fields/initializers -----------------------------------------------------------------------------------------------

    private static final Logger LOGGER = Logger.getLogger(FlatProfileBuilder.class.getName());

    //~ Instance fields ----------------------------------------------------------------------------------------------------------

    private CCTFlattener flattener;
    private FlatProfileContainer lastFlatProfile = null;
    private ProfilerClient client;
    private RuntimeCPUCCTNode appNode;

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    public void setContext(ProfilerClient client) {
        if (this.client != null) {
            this.client.registerFlatProfileProvider(null);
        }

        if (client != null) {
            flattener = new CCTFlattener(client);
            client.registerFlatProfileProvider(this);
        } else {
            flattener = null;
        }

        this.client = client;
        appNode = null;
    }

    public synchronized void cctEstablished(RuntimeCCTNode appRootNode, boolean empty) {
        if (empty) return;
        
        if (appRootNode instanceof RuntimeCPUCCTNode) {
            appNode = (RuntimeCPUCCTNode) appRootNode;
        } else {
            appNode = null;
        }
    }

    public synchronized void cctReset() {
        appNode = null;
    }

    public synchronized FlatProfileContainer createFlatProfile() {
        if (appNode == null) {
            return null;
        }

        client.getStatus().beginTrans(false);

        try {
            if (ThreadInfo.beginTrans(false, true)) {
                try {
                    CompositeCPUCCTWalker walker = new CompositeCPUCCTWalker();
                    walker.add(0, client.getMarkFilter());
                    walker.add(1, flattener);
                    walker.add(2, client.getTimeCollector());

                    walker.walk(appNode);

                    lastFlatProfile = flattener.getFlatProfile();
                } finally {
                    ThreadInfo.endTrans();
                }
            }
        } finally {
            client.getStatus().endTrans();
        }

        return lastFlatProfile;
    }
}

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