UIAsyncTaskPool.java

/*
 * The MIT License
 *
 * Copyright 2014 noko
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package net.nokok.twitduke.core.view.async;

import java.util.concurrent.ForkJoinPool;
import net.nokok.twitduke.core.ShutdownHook;

/**
 * 非同期でコンポーネントの状態を更新するためのマネージャーです。
 */
enum UIAsyncTaskPool {

    INSTANCE;

    private final ForkJoinPool pool = new ForkJoinPool();

    private UIAsyncTaskPool() {
        ShutdownHook.INSTANCE.addHook("UIAsyncTaskPool Shutdown Thread", pool::shutdownNow);
    }

    /**
     * タスクをCPUで利用可能なスレッド数で並列に実行します。
     *
     * @param runnable 実行するタスク
     */
    public void runTask(Runnable runnable) {
        if ( pool.isShutdown() ) {
            return;
        }
        pool.execute(runnable);
    }
}