/*******************************************************************************
* Copyright (c) 2000, 2005 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.test.internal.performance;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.test.internal.performance.data.Assert;
import org.eclipse.test.internal.performance.data.DataPoint;
import org.eclipse.test.internal.performance.data.Dim;
import org.eclipse.test.internal.performance.data.Sample;
import org.eclipse.test.internal.performance.data.Scalar;
public class SystemTimePerformanceMeter extends InternalPerformanceMeter {
private static final int DEFAULT_INITIAL_CAPACITY= 3;
private long fStartDate;
private List fStartTime;
private List fStopTime;
/**
* @param scenarioId the scenario id
*/
public SystemTimePerformanceMeter(String scenarioId) {
this(scenarioId, DEFAULT_INITIAL_CAPACITY);
fStartDate= System.currentTimeMillis();
}
/**
* @param scenarioId the scenario id
* @param initalCapacity the initial capacity in the number of measurments
*/
public SystemTimePerformanceMeter(String scenarioId, int initalCapacity) {
super(scenarioId);
fStartTime= new ArrayList(initalCapacity);
fStopTime= new ArrayList(initalCapacity);
}
/*
* @see org.eclipse.test.performance.PerformanceMeter#start()
*/
public void start() {
fStartTime.add(new Long(System.currentTimeMillis()));
}
/*
* @see org.eclipse.test.performance.PerformanceMeter#stop()
*/
public void stop() {
fStopTime.add(new Long(System.currentTimeMillis()));
}
/*
* @see org.eclipse.test.performance.PerformanceMeter#commit()
*/
public void commit() {
Assert.isTrue(fStartTime.size() == fStopTime.size());
System.out.println("Scenario: " + getScenarioName()); //$NON-NLS-1$
int maxOccurenceLength= String.valueOf(fStartTime.size()).length();
for (int i= 0; i < fStartTime.size(); i++) {
String occurence= String.valueOf(i + 1);
System.out.println("Occurence " + replicate(" ", maxOccurenceLength - occurence.length()) + occurence + ": " + (((Long) fStopTime.get(i)).longValue() - ((Long) fStartTime.get(i)).longValue())); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}
private String replicate(String s, int n) {
StringBuffer buf= new StringBuffer(n * s.length());
for (int i= 0; i < n; i++)
buf.append(s);
return buf.toString();
}
/*
* @see org.eclipse.test.performance.PerformanceMeter#dispose()
*/
public void dispose() {
fStartTime= null;
fStopTime= null;
super.dispose();
}
public Sample getSample() {
Assert.isTrue(fStartTime.size() == fStopTime.size());
Map properties= new HashMap();
/*
properties.put(DRIVER_PROPERTY, PerformanceTestPlugin.getBuildId());
properties.put(HOSTNAME_PROPERTY, getHostName());
*/
DataPoint[] data= new DataPoint[2*fStartTime.size()];
for (int i= 0; i < fStartTime.size(); i++) {
data[2*i]= createDataPoint(BEFORE, InternalDimensions.SYSTEM_TIME, ((Long) fStartTime.get(i)).longValue());
data[2*i+1]= createDataPoint(AFTER, InternalDimensions.SYSTEM_TIME, ((Long) fStopTime.get(i)).longValue());
}
return new Sample(getScenarioName(), fStartDate, properties, data);
}
private DataPoint createDataPoint(int step, Dim dimension, long value) {
Map scalars= new HashMap();
scalars.put(dimension, new Scalar(dimension, value));
return new DataPoint(step, scalars);
}
}