[jira] [Created] (FLINK-7699) Define the BufferListener interface to replace EventlListener in BufferProvider

[Shang Yuanchun (Jira)]

zhijiang created FLINK-7699:
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             Summary: Define the BufferListener interface to replace EventlListener in BufferProvider
                 Key: FLINK-7699
                 URL: https://issues.apache.org/jira/browse/FLINK-7699
             Project: Flink
          Issue Type: Sub-task
          Components: Core
            Reporter: zhijiang
            Assignee: zhijiang
             Fix For: 1.4.0


Currently the {{EventListener}} is used in {{BufferProvider}} to be notified of buffer available or destroyed pool.

To be semantic clearly, we define a new {{BufferListener}} interface which can opt for a one-time only notification or to be notified repeatedly. And we can also notify the pool destroyed via explicitly method {{notifyBufferDestroyed}}.

The {{RemoteInputChannel}} will implement the {{BufferListener}} interface to wait for floating buffers from {{BufferProvider}}.



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