bundles/org.eclipse.test.performance/src/org/eclipse/test/internal/performance/PerformanceMeterFactory.java

/*******************************************************************************
 * 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.HashSet;
import java.util.Set;

import org.eclipse.test.performance.Performance;
import org.eclipse.test.performance.PerformanceMeter;

import junit.framework.TestCase;

public abstract class PerformanceMeterFactory {

    private static Set<String> fScenarios = new HashSet<>();

    public PerformanceMeter createPerformanceMeter(String scenario) {
        assertUniqueScenario(scenario);
        return doCreatePerformanceMeter(scenario);
    }

    public PerformanceMeter createPerformanceMeter(TestCase testCase, String monitorId) {
        return createPerformanceMeter(Performance.getDefault().getDefaultScenarioId(testCase, monitorId));
    }

    public PerformanceMeter createPerformanceMeter(TestCase testCase) {
        return createPerformanceMeter(Performance.getDefault().getDefaultScenarioId(testCase));
    }

    protected abstract PerformanceMeter doCreatePerformanceMeter(String scenario);

    private static void assertUniqueScenario(String scenario) {
        if (fScenarios.contains(scenario))
            throw new IllegalArgumentException();
        fScenarios.add(scenario);
    }
}