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jdk 5.0之后生产者消费者(基于指定大小集合操作)

发表于: 2014-08-26   作者:annan211   来源:转载   浏览:
摘要: package threadJDK5; import java.util.ArrayList; import java.util.List; import java.util.concurrent.locks.Condition; import java.util.concurrent.locks.Lock; import java.util.concurrent.locks.R
package threadJDK5;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class ArrayListTestJDK5 {
	public static final int Sorge_Size = 10;
	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(ArrayListTestJDK5.Sorge_Size);
	private int num;
	private Lock lock = new ReentrantLock();
	private Condition condition_p = lock.newCondition();
	private Condition condition_m = lock.newCondition();

	public void set(ArrayListStorge s){
		lock.lock();
		while(list.size()>=ArrayListTestJDK5.Sorge_Size){
			try {
				condition_p.await();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}

		s.list.add(num++);
		System.out.println(Thread.currentThread().getName()+"...存入----"+s.list.get(s.list.size()-1));
		if(s.list.size()>0){
			condition_m.signal();
			lock.unlock();
		}
	}

	public void out(ArrayListStorge s){
		lock.lock();
		while(s.list.size()<=0){
			try {
				condition_m.await();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		System.out.println(Thread.currentThread().getName()+"...取出-----"+s.list.remove(s.list.size()-1));
		if(s.list.size()<=0){
			condition_p.signal();
			lock.unlock();
		}
	}
}

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

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

jdk 5.0之后生产者消费者(基于指定大小集合操作)

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