今天就跟大家聊聊有关JAVA中怎么使用Lock和Condition手写阻塞队列,可能很多人都不太了解,为了让大家更加了解,小编给大家总结了以下内容,希望大家根据这篇文章可以有所收获。
创新互联建站10多年成都企业网站建设服务;为您提供网站建设,网站制作,网页设计及高端网站定制服务,成都企业网站建设及推广,对成都护栏打桩机等多个行业拥有丰富的营销推广经验的网站建设公司。
package com.study; import java.util.Random; import java.util.concurrent.locks.Condition; import java.util.concurrent.locks.Lock; import java.util.concurrent.locks.ReentrantLock; public class BlockingQueueDemo { public static void main(String[] args) { BlockingQueueDemo blockingQueueDemo = new BlockingQueueDemo(); final BlockingQueueClass blockingQueueClass = blockingQueueDemo.new BlockingQueueClass(); Thread thread = new Thread(new Runnable() { @Override public void run() { while(true){ int value = new Random().nextInt(); System.out.println("准备存数据了"); blockingQueueClass.put(value); System.out.println("已经存好数据了"); } } }); thread.start(); Thread thread2 = new Thread(new Runnable() { @Override public void run() { while(true){ System.out.println("准备取数据了"); Object value = blockingQueueClass.take(); System.out.println("取到的数据为:" + value); } } }); thread2.start(); } class BlockingQueueClass{ Lock lock = new ReentrantLock(); Condition notFullCondition = lock.newCondition(); Condition notEmptyCondition = lock.newCondition(); Object[] items = new Object[100]; private int putLength,takeLength,count; public void put(Object object){ lock.lock(); try { while(count == items.length){ try { notFullCondition.await(); } catch (InterruptedException error) { error.printStackTrace(); } } items[putLength] = object; if(++putLength == items.length){ putLength = 0; } ++count; notEmptyCondition.signal(); } catch (Exception e) { e.printStackTrace(); } finally{ lock.unlock(); } } public Object take(){ Object object = new Object(); lock.lock(); try { while(count == 0){ try { notEmptyCondition.await(); } catch (InterruptedException e) { e.printStackTrace(); } } object = items[takeLength]; if(++takeLength == items.length){ takeLength = 0; } --count; notFullCondition.signal(); } catch (Exception e) { e.printStackTrace(); lock.unlock(); } return object; } } }
看完上述内容,你们对JAVA中怎么使用Lock和Condition手写阻塞队列有进一步的了解吗?如果还想了解更多知识或者相关内容,请关注创新互联行业资讯频道,感谢大家的支持。