ConsumeMessageOrderlyService can use ReentrantLock

[zangyk]

The ConsumeRequest class code is :
final Object objLock = messageQueueLock.fetchLockObject(this.messageQueue);
synchronized (objLock) {
......
}
it will block the messageQueue and other messageQueue to process
we can use ReentrantLock.tryLock()

[zangyk]

ReentrantLock objLock = messageQueueLock.fetchLockObject(this.messageQueue);
if(objLock.tryLock())
{
.....
}else
{
ConsumeMessageOrderlyService.this.submitConsumeRequestLater(this.messageQueue,this.processQueu,10);
}

[vongosling]

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[zangyk]

I think it is a question,it has low operating efficiency