org.databene.profile.Profile Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of contiperf Show documentation

ContiPerf is an open source testing utility that enables the user to easily convert JUnit 4 test cases into performance tests.

The newest version!

/*
 * Copyright (C) 2011-2014 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.databene.profile;

import java.text.DecimalFormat;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.databene.stat.LatencyCounter;

/**
 * Uses a {@link LatencyCounter} to collect profile information and manages sub profiles.


 * Created: 19.05.2011 09:08:27
 * @since 2.0.0
 * @author Volker Bergmann
 */
public class Profile {
	
	private String name;
	private Profile parent;
	private Map subProfiles;
	private LatencyCounter counter;
	private DecimalFormat nf = new DecimalFormat("0");
	private DecimalFormat df = new DecimalFormat("0.0");

	public Profile(String name, Profile parent) {
		this.parent = parent;
		this.name = name;
		this.counter = new LatencyCounter(name);
		this.subProfiles = new HashMap();
	}
	
	public String getName() {
		return name;
	}
	
	public Profile getParent() {
		return parent;
	}
	
	public Collection getSubProfiles() {
		return subProfiles.values();
	}

	public Profile getOrCreateSubProfile(String name) {
		Profile result = subProfiles.get(name);
		if (result == null)
			result = createSubProfile(name);
		return result;
	}

	private Profile createSubProfile(String name) {
		Profile result = new Profile(name, this);
		subProfiles.put(name, result);
		return result;
	}

	public void addSample(int duration) {
		counter.addSample(duration);
	}

	public long getInvocationCount() {
		return counter.sampleCount();
	}
	
	public long getTotalLatency() {
		return counter.totalLatency();
	}

	public double getAverageLatency() {
		return counter.averageLatency();
	}

	@Override
	public String toString() {
		return "[" + nf.format(getInvocationCount()) + " inv., " +
				"avg: " + df.format(getAverageLatency()) + ", " +
				"total: " + nf.format(getTotalLatency()) + "]: " + 
				name;
	}

	@Override
	public int hashCode() {
		return name.hashCode();
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null || getClass() != obj.getClass())
			return false;
		Profile that = (Profile) obj;
		return this.name.equals(that.name);
	}
	
}