ThreadPoolUtils.java

package com.realmo.utils;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
/**
 * 线程池
 */
public class ThreadPoolUtils {
 private ThreadPoolUtils(){
 }
 //线程池核心线程数
 private static int CORE_POOL_SIZE = 5;
 //线程池最大线程数
 private static int MAX_POOL_SIZE = 100;
 //额外线程空状态生存时间
 private static int KEEP_ALIVE_TIME = 10000;
 //阻塞队列。当核心线程都被占用，且阻塞队列已满的情况下，才会开启额外线程。
 private static BlockingQueue<Runnable> workQueue = new ArrayBlockingQueue<Runnable>(10);

 //线程工厂
 private static ThreadFactory threadFactory = new ThreadFactory() {
 private final AtomicInteger integer = new AtomicInteger();

 @Override
 public Thread newThread(Runnable r) {
 return new Thread(r, "myThreadPool thread:" + integer.getAndIncrement());
 }
 };

 //线程池
 private static ThreadPoolExecutor threadPool;
 static {
 threadPool = new ThreadPoolExecutor(CORE_POOL_SIZE,MAX_POOL_SIZE, KEEP_ALIVE_TIME, TimeUnit.SECONDS, workQueue,threadFactory);
 }

 /**
 * 从线程池中抽取线程，执行指定的Runnable对象
 * @param runnable
 */
 public static void execute(Runnable runnable){
 threadPool.execute(runnable);
 }
}