[jira] [Closed] (FLINK-3777) Add open and close methods to manage IF lifecycle

["Chesnay Schepler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-3777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler closed FLINK-3777.
-----------------------------------
    Resolution: Fixed

Implemented in ac2137cfa5e63bd4f53a4b7669dc591ab210093f

> Add open and close methods to manage IF lifecycle
> -------------------------------------------------
>
>                 Key: FLINK-3777
>                 URL: https://issues.apache.org/jira/browse/FLINK-3777
>             Project: Flink
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.0.1
>            Reporter: Flavio Pompermaier
>            Assignee: Flavio Pompermaier
>              Labels: inputformat, lifecycle
>
> At the moment the opening and closing of an inputFormat are not managed, although open() could be (improperly IMHO) simulated by configure().
> This limits the possibility to reuse expensive resources (like database connections) and manage their release. 
> Probably the best option would be to add 2 methods (i.e. openInputformat() and closeInputFormat() ) to RichInputFormat*
> * NOTE: the best option from a "semantic" point of view would be to rename the current open() and close() to openSplit() and closeSplit() respectively while using open() and close() methods for the IF lifecycle management, but this would cause a backward compatibility issue...



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