[pulsar-client] Fix bug that beforeConsume() of interceptor is not called when receiver queue size is 0 #5777
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…er queue size is 0
sijie
approved these changes
Dec 1, 2019
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Motivation
I implemented
ConsumerInterceptorand used it, but I noticed that thebeforeConsume()method is not executed when the size of the receiver queue is 0.Modifications
If the receiver queue size is 0, an instance of
ZeroQueueConsumerImplclass is created instead ofConsumerImpl, butbeforeConsume()is not called in this class now. So I fixedZeroQueueConsumerImpl.