jdk 5.0以前の生産者消費者(指定されたサイズの集合操作に基づく)

2373 ワード


package thread;

import java.util.ArrayList;
import java.util.List;

public class ArrayListTest {
	public static final int Storge_Size = 100;
	public static void main(String[] args) {
		ArrayListStorge storge = new ArrayListStorge();

		P p = new P(storge);
		M m = new M(storge);

		Thread t1 = new Thread(p);
		Thread t2 = new Thread(p);
		Thread t3 = new Thread(p);
		Thread t4 = new Thread(p);

		Thread t5 = new Thread(m);
		Thread t6 = new Thread(m);
		Thread t7 = new Thread(m);
		Thread t8 = new Thread(m);

		t1.start();
		t2.start();
		t3.start();
		t4.start();
		t5.start();
		t6.start();
		t7.start();
		t8.start();
	}
}


class ArrayListStorge{
	private List<Integer> list = new ArrayList<Integer>(ArrayListTest.Storge_Size);
	private int num = 1;
	public synchronized void set(ArrayListStorge s){
		while(s.list.size()>=ArrayListTest.Storge_Size){
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		s.list.add(num++);
		System.out.println(Thread.currentThread().getName()+"-- ----"+list.get(s.list.size()-1));
		if(s.list.size()>0){
			this.notifyAll();
		}
	}

	public synchronized void out(ArrayListStorge s){
		while(s.list.size()<=0){
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		System.out.println(Thread.currentThread().getName()+"-- ....."+s.list.remove(s.list.size()-1));
		if(s.list.size()<ArrayListTest.Storge_Size){
			this.notifyAll();
		}
	}
}

class P implements Runnable{
	private ArrayListStorge storge;
	public P (ArrayListStorge s){
		this.storge = s;
	}
	public void run(){
		while(true){
			this.storge.set(storge);
		}
	}
}

class M implements Runnable{
	private ArrayListStorge s;
	public M(ArrayListStorge s){
		this.s = s;
	}
	public void run(){
		while(true){
			this.s.out(s);
		}
	}
}