多线程

 

 

package com.test;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class RequestUtil {
	
	private int size; //一次请求的最大数量
	private int count;//thread count
	private int delta;
	
	private CountDownLatch countDownLath;
	
	private  ExecutorService threadPool;
	
	
	
	public RequestUtil(int size, int count) {
		this.size = size;
		this.count = count;
		threadPool = Executors.newFixedThreadPool(count);创建线程放入线程池
		countDownLath = new CountDownLatch(count);//子线程数  
		delta = size/count;
	}



	private void test(){
		//开启线程个数
		for(int i = 0 ; i<count; i++){
			int receive = i*delta;
			int max = delta *(i+1);
//			threadPool.execute();
//			this.pageCount=(rowCount+this.pageSize-1)/this.pageSize;  
		}
		try {
			countDownLath.await();
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		
	}
	
	

}