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Posted to issues@flink.apache.org by "Chesnay Schepler (JIRA)" <ji...@apache.org> on 2017/10/10 14:55:00 UTC

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

     [ https://issues.apache.org/jira/browse/FLINK-7699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler reopened FLINK-7699:
-------------------------------------

> Define the BufferListener interface to replace EventListener 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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