Java线程池工具类

Java线程池工具类

• java代码

package cn.pconline.common.utils;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * @Description 线程池工具类
 * @Author jie.zhao
 * @Date 2019/8/21 9:26
 */
public class ThreadPoolUtil {

    /**
     * 核心线程数，会一直存活，即使没有任务，线程池也会维护线程的最少数量
     */
    private static final int SIZE_CORE_POOL = 5;
    /**
     * 线程池维护线程的最大数量
     */
    private static final int SIZE_MAX_POOL = 10;
    /**
     * 线程池维护线程所允许的空闲时间
     */
    private static final long ALIVE_TIME = 2000;
    /**
     * 线程缓冲队列
     */
    private static BlockingQueue<Runnable> bqueue = new ArrayBlockingQueue<Runnable>(100);
    private static ThreadPoolExecutor pool = new ThreadPoolExecutor(SIZE_CORE_POOL, SIZE_MAX_POOL, ALIVE_TIME, TimeUnit.MILLISECONDS, bqueue, new ThreadPoolExecutor.CallerRunsPolicy());

    static {
        pool.prestartAllCoreThreads();
    }

    public static ThreadPoolExecutor getPool() {
        return pool;
    }
}

• 使用

ThreadPoolUtil.getPool().execute(new Runnable() {
	@Override
	public void run() {
		playService.syncData2(event, (Enroll) enroll);
	}
});