[GitHub] [pulsar] lovelle opened a new pull request #3863: [cpp client] implement reference count for close()

[GitBox <gi...@apache.org>]

lovelle opened a new pull request #3863: [cpp client] implement reference count for close()
URL: https://github.com/apache/pulsar/pull/3863
 
 
   Add reference count feature to keep track of reused instances of a consumer
   instance, for more details please see commit ff4db8d.
   
   *Modifications*
   
     - Add refCount instance variable on ConsumerImpl.
     - Use new shouldTearDown() on close() in order to know whether effective close
       call should occur or not.
     - Increment reference count when a previous built consumer instance is being
       used by caller.
   
   *Future considerations*
   
   Thereafter when feature preventing duplicated consumer is made for
   PartitionedConsumer, MultiTopicsConsumer and PatternMultiTopicsConsumer,
   incrRefCount() member could be turned into a pure virtual method.
   
   ### Verifying this change
   
   - [ ] Make sure that the change passes the CI checks.

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