原来以为tiger已经自带了这种线程池,就是在任务数量超出时能够阻塞住投放任务的线程,主要想用在JMS消息监听。
开始做法:
在ThreadPoolExcecutor中代入new ArrayBlockingQueue(MAX_TASK). 在任务超出时报错:RejectedExecutionException。
后来不用execute方法加入任务,直接getQueue().add(task), 利用其阻塞特性。但是发现阻塞好用了,但是任务没有被处理。一看Queue,晕啊,原来都在里面,任务池就没处理它。看样还是要走任务池。
最后自己重载了一个BlockedThreadPoolExecutor:
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多线程程序很容易出错,写好了要拼命的用压力测试,否则问题多多啊~~~