实用线程池工具类

主要采用guava和原生java并发包。

package com.ky.common;

import com.google.common.util.concurrent.ThreadFactoryBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.util.concurrent.*;

/**

• 线程池工具类

• @author Administrator
  */
  public class ThreadPoolUtil {

  private static final Log logger = LogFactory.getLog(ThreadPoolUtil.class);

  private static ThreadPoolUtil threadPool;
  private ThreadPoolExecutor executor;

  private TimeUnit unit = TimeUnit.SECONDS;

  public ThreadPoolUtil() {
  LinkedBlockingQueue workQueue = new LinkedBlockingQueue<>(1024);
  int corePoolSize = 10;
  long keepAliveTime = 1;
  int maximumPoolSize = 15;
  final ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat("hbase-thread-%d").build();
  executor = new ThreadPoolExecutor(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory, new ThreadPoolExecutor.AbortPolicy());
  System.out.println("线程池初始化成功");
  }

  public static ThreadPoolUtil init() {
  if (threadPool == null) {
  threadPool = new ThreadPoolUtil();
  }
  return threadPool;
  }

  public void awaitTermination() throws InterruptedException {
  logger.info("Thread pool ,awaitTermination started, please wait till all the jobs complete.");
  long timeout = 10;
  executor.awaitTermination(timeout, unit);
  }

  public void execute(Runnable t) {
  executor.execute(t);
  }

  public void execute(Thread t) {
  executor.execute(t);
  }

  public int getQueueSize() {
  return executor.getQueue().size();
  }

  public void shutdown() {
  getExecutor().shutdown();
  }

  private ThreadPoolExecutor getExecutor() {
  return executor;
  }

  public Future submit(Runnable t) {
  return executor.submit(t);
  }

  @SuppressWarnings({"unchecked", "rawtypes"})
  public Future submit(Callable t) {
  return getExecutor().submit(t);
  }

}