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package com.brianway.learning.java.multithread.communication.example9;
/**
* Created by Brian on 2016/4/14.
*/
/**
* P167
* 一生产与多消费
*
* if判断存在弊端，条件发生改变时没有得到及时的响应，多个呈wait状态的线程被唤醒
* 继而执行list.remove(0)出现异常java.lang.IndexOutOfBoundsException
*/
public class Run9_oneP_manyC {
public static void main(String[] args) {
MyStack myStack = new MyStack();
Producer p = new Producer(myStack);
Consumer c1 = new Consumer(myStack);
Consumer c2 = new Consumer(myStack);
Consumer c3 = new Consumer(myStack);
Consumer c4 = new Consumer(myStack);
Consumer c5 = new Consumer(myStack);
P_Thread p_thread = new P_Thread(p);
p_thread.start();
C_Thread c_thread1 = new C_Thread(c1);
C_Thread c_thread2 = new C_Thread(c2);
C_Thread c_thread3 = new C_Thread(c3);
C_Thread c_thread4 = new C_Thread(c4);
C_Thread c_thread5 = new C_Thread(c5);
c_thread1.start();
c_thread2.start();
c_thread3.start();
c_thread4.start();
c_thread5.start();
}
}
/*
输出：
push = 1
pop = 0 Mystack的pop方法中 线程Thread-5
pop = 0.31174265732220185 Thread-5 Consumer的popService方法中打印pop返回值
pop操作中的： Thread-5 线程呈wait状态
pop操作中的： Thread-1 线程呈wait状态
pop操作中的： Thread-4 线程呈wait状态
push = 1
pop = 0 Mystack的pop方法中 线程Thread-5
pop = 0.2341485782888254 Thread-5 Consumer的popService方法中打印pop返回值
pop操作中的： Thread-5 线程呈wait状态
pop操作中的： Thread-3 线程呈wait状态
pop操作中的： Thread-2 线程呈wait状态
Exception in thread "Thread-1" java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.rangeCheck(ArrayList.java:653)
at java.util.ArrayList.get(ArrayList.java:429)
at com.brianway.learning.java.multithread.communication.example9.MyStack.pop(MyStack.java:32)
at com.brianway.learning.java.multithread.communication.example9.Consumer.popService(Consumer.java:15)
at com.brianway.learning.java.multithread.communication.example9.C_Thread.run(C_Thread.java:17)
*/