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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2015/09/29 14:16:05 UTC

[jira] [Closed] (FLINK-2723) CopyableValue method to copy into new instance

     [ https://issues.apache.org/jira/browse/FLINK-2723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen closed FLINK-2723.
-------------------------------

> CopyableValue method to copy into new instance
> ----------------------------------------------
>
>                 Key: FLINK-2723
>                 URL: https://issues.apache.org/jira/browse/FLINK-2723
>             Project: Flink
>          Issue Type: New Feature
>          Components: Core
>    Affects Versions: master
>            Reporter: Greg Hogan
>            Assignee: Greg Hogan
>            Priority: Minor
>             Fix For: 0.10
>
>
> Provide a method for generic user-defined functions to clone a {{CopyableValue}}. A common use case is a {{GroupReduceFunction}} that needs to store multiple objects. With object reuse we need to make a deep copy and with type erasure we cannot call new.



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