threadpool.java

来自「Java多线程例子 为你提供一个JAVA多线程的实例」· Java 代码 · 共 50 行

/*
 * Created on 2005-9-2
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.apollo.thread.example;

import java.util.LinkedList;

public class ThreadPool {

	private LinkedList list = new LinkedList();
	private final int MAX_SIZE;
	
	public ThreadPool(int size) {
		this.MAX_SIZE = size;
		for (int i = 0; i < size; i++) {
			Thread t = new NodeProcessThread();
			list.add(t);
		}		
	}
	
	public boolean isEmpty(){
		return list.size() == 0;
	}
	
	public boolean isFull(){
		return list.size() == this.MAX_SIZE;
	}
	
	public void push(NodeProcessThread npt){
		if ( isFull() ) {
			//应该抛一个“线程池满”的异常
		} else {
			list.add(npt);
		}
	}
	
	public NodeProcessThread pop(){
		NodeProcessThread result = null;
		if ( isEmpty() ) {
			//应该抛一个“线程池空”的异常
		} else {
			result = (NodeProcessThread)list.removeFirst();
		}
		return result;
	}
}