/*
 *
 * Copyright (c) 2006 The Apache Software Foundation
 *
 * 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.apache.qpid.server.util;

import org.apache.qpid.server.util.TimedRun;

import java.util.concurrent.Callable;
import java.util.Collection;

public class AveragedRun implements Callable<RunStats>
{
    private final RunStats stats = new RunStats();
    private final TimedRun test;
    private final int iterations;

    public AveragedRun(TimedRun test, int iterations)
    {
        this.test = test;
        this.iterations = iterations;
    }

    public RunStats call() throws Exception
    {
        for (int i = 0; i < iterations; i++)
        {
            stats.record(test.call());
        }
        return stats;
    }

    public void run() throws Exception
    {
        System.out.println(test + ": " + call());
    }

    public String toString()
    {
        return test.toString();
    }

    static void run(Collection<AveragedRun> tests) throws Exception
    {
        for(AveragedRun test : tests)
        {
            test.run();
        }
    }
}
