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/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.core.runtime.internal.stats;
import java.util.ArrayList;
import java.util.List;
/**
* Maintain statistics about a loaded class.
*/
public class ClassStats {
private String className; // fully qualified name of this class
private ClassloaderStats classloader; // the classloader that loaded this class
private int loadOrder = -1;
private long timestamp; // time at which this class was loaded
private long timeLoading; // time to load the class
private long timeLoadingOthers = 0; // time spent loading classes which has been triggered by this class
// parentage of classes loaded
private ClassStats loadedBy = null; // a reference to the class that loaded this class
private List<ClassStats> loaded = new ArrayList<ClassStats>(2); // a reference to the classes that this class loaded
private boolean duringStartup; // indicate if the class was loaded during platform startup
//information to retrieve the stacktrace from the file
private long traceStart = -1;
private long traceEnd = -1;
public ClassStats(String name, ClassloaderStats classloader) {
className = name;
timestamp = System.currentTimeMillis();
duringStartup = StatsManager.isBooting();
this.classloader = classloader;
}
public void setLoadOrder(int order) {
loadOrder = order;
}
public void loadingDone() {
timeLoading = System.currentTimeMillis() - timestamp;
}
public long getTimeLoading() {
return timeLoading;
}
public long getLocalTimeLoading() {
return timeLoading - timeLoadingOthers;
}
public void addTimeLoadingOthers(long time) {
timeLoadingOthers = timeLoadingOthers + time;
}
public long getTraceStart() {
return traceStart;
}
public long getTraceEnd() {
return traceEnd;
}
public void setTraceStart(long position) {
traceStart = position;
}
public void setTraceEnd(long position) {
traceEnd = position;
}
public void loaded(ClassStats child) {
loaded.add(child);
}
public void setLoadedBy(ClassStats parent) {
loadedBy = parent;
}
public ClassStats getLoadedBy() {
return loadedBy;
}
public List<ClassStats> getLoadedClasses() {
return loaded;
}
public String getClassName() {
return className;
}
public boolean isStartupClass() {
return duringStartup;
}
public ClassloaderStats getClassloader() {
return classloader;
}
public int getLoadOrder() {
return loadOrder;
}
public long getTimestamp() {
return timestamp;
}
public void toBaseClass() {
duringStartup = true;
loadOrder = -2;
}
}
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