分类：长轮询

2021
04-25

Java如何使用ReentrantLock实现长轮询

Java代码1.ReentrantLock加锁阻塞，一个condition对应一个线程，以便于唤醒时使用该condition一定会唤醒该线程/***获取探测点数据,长轮询实现*@parammessageId*@return*/publicJSONObjectgetToutData(StringmessageId){Messagemessage=toutMessageCache.get(messageId);if(message==null){//等待lock.lock();try{... 继续阅读 >

2021
01-21

基于springboot 长轮询的实现操作

springboot长轮询实现基于@EnableAsync,@Sync@SpringBootApplication@EnableAsyncpublicclassDemoApplication{publicstaticvoidmain(String[]args){SpringApplication.run(DemoApplication.class,args);}}@RequestMapping("/async")@RestControllerpublicclassAsyncRequestDemo{@AutowiredprivateAsyncRequestServiceasyncRequestService;@GetMapping("/value")publicStringgetValue(){Stringmsg=... 继续阅读 >