net.dryuf.concurrent.benchmark.BenchmarkSupport.java Source code

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Here is the source code for net.dryuf.concurrent.benchmark.BenchmarkSupport.java

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/*
 * Copyright 2015 Zbynek Vyskovsky mailto:kvr@centrum.cz http://kvr.znj.cz/ http://github.com/kvr000/
 *
 * 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 net.dryuf.concurrent.benchmark;

import java.util.concurrent.Callable;
import java.util.concurrent.FutureTask;
import java.util.concurrent.RunnableFuture;

public class BenchmarkSupport {
    public static final int WARMUP_ITERATIONS = 5;
    public static final int COUNT = 100000;

    public static FutureTask<Integer>[] populateJdkFutureArray(int count) {
        Callable<Integer> func = () -> {
            return 0;
        };
        FutureTask<Integer>[] array = new FutureTask[count];
        for (int i = 0; i < count; ++i) {
            array[i] = new FutureTask<Integer>(func);
        }
        return array;
    }

    public static net.dryuf.concurrent.ListenableFutureTask<Integer>[] populateLwFutureArray(int count) {
        Callable<Integer> func = () -> {
            return 0;
        };
        net.dryuf.concurrent.ListenableFutureTask[] array = new net.dryuf.concurrent.ListenableFutureTask[count];
        for (int i = 0; i < count; ++i) {
            array[i] = new net.dryuf.concurrent.ListenableFutureTask<Integer>(func);
        }
        return array;
    }

    public static org.springframework.util.concurrent.ListenableFutureTask<Integer>[] populateSpringFutureArray(
            int count) {
        Callable<Integer> func = () -> {
            return 0;
        };
        org.springframework.util.concurrent.ListenableFutureTask[] array = new org.springframework.util.concurrent.ListenableFutureTask[count];
        for (int i = 0; i < count; ++i) {
            array[i] = new org.springframework.util.concurrent.ListenableFutureTask(func);
        }
        return array;
    }

    public static com.google.common.util.concurrent.ListenableFutureTask<Integer>[] populateGuavaFutureArray(
            int count) {
        Callable<Integer> func = () -> {
            return 0;
        };
        com.google.common.util.concurrent.ListenableFutureTask[] array = new com.google.common.util.concurrent.ListenableFutureTask[count];
        for (int i = 0; i < count; ++i) {
            array[i] = com.google.common.util.concurrent.ListenableFutureTask.create(func);
        }
        return array;
    }

    public static void threadedRunFutures(RunnableFuture<Integer>[] array) {
        Thread t = new Thread(() -> {
            for (RunnableFuture<Integer> v : array) {
                v.run();
            }
        });
        t.start();
        try {
            t.join();
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
    }
}