Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright Terracotta, Inc.
 *
 * 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.
 */

import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class Main {
    /**
     * Properly shutdown and await pool termination for an arbitrary
     * amount of time.
     *
     * @param pool        Pool to shutdown
     * @param waitSeconds Seconds to wait before throwing exception
     * @throws java.util.concurrent.TimeoutException Thrown if the pool does not shutdown in the specified time
     */
    public static void shutdownAndWaitForTermination(ExecutorService pool, int waitSeconds)
            throws TimeoutException {
        // shut it down
        pool.shutdown();
        try {
            // wait, wait, wait
            if (!pool.awaitTermination(waitSeconds, TimeUnit.SECONDS)) {
                // things still running, nuke it
                pool.shutdownNow();
                // wait, wait, wai
                if (!pool.awaitTermination(waitSeconds, TimeUnit.SECONDS)) {
                    // boo hiss, didn't shutdown
                    throw new TimeoutException("Pool did not terminate");
                }
            }
        } catch (InterruptedException ie) {
            // try, try again
            pool.shutdownNow();
            Thread.currentThread().interrupt();
        }
    }
}