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89 lines
2.6 KiB
89 lines
2.6 KiB
package etc.q2;
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import java.util.concurrent.locks.Condition;
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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReentrantLock;
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/**
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* 生产者消费者模型
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*/
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public class Main {
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private static final int MAX = 10;
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private static int count = 0;
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public Lock lock = new ReentrantLock();
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public Condition c1 = lock.newCondition();
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public Condition c2 = lock.newCondition();
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class Producer implements Runnable {
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@Override
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public void run() {
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for (int i = 0; i < 10; i++) {
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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lock.lock();
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try {
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while (count == MAX) {
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c1.await();
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}
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count++;
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System.out.println(Thread.currentThread().getName() + "生产者生产，目前共有：" + count);
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c2.signal();
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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lock.unlock();
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}
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}
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}
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}
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class Consumer implements Runnable {
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@Override
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public void run() {
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for (int i = 0; i < 10; i++) {
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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lock.lock();
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try {
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while (count == 0) {
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c2.await();
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}
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count--;
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System.out.println(Thread.currentThread().getName() + "消费者消费，目前共有：" + count);
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c1.signal();
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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lock.unlock();
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}
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}
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}
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}
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public static void main(String[] args) {
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Main main = new Main();
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new Thread(main.new Producer()).start();
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new Thread(main.new Producer()).start();
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new Thread(main.new Producer()).start();
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new Thread(main.new Producer()).start();
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new Thread(main.new Producer()).start();
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new Thread(main.new Consumer()).start();
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new Thread(main.new Consumer()).start();
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new Thread(main.new Consumer()).start();
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new Thread(main.new Consumer()).start();
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new Thread(main.new Consumer()).start();
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}
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}
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