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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1819) Allow access to RuntimeContext from Input and OutputFormats
Date Mon, 03 Aug 2015 21:52:04 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14652614#comment-14652614
] 

ASF GitHub Bot commented on FLINK-1819:
---------------------------------------

Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/966#discussion_r36135989
  
    --- Diff: flink-tests/src/test/java/org/apache/flink/test/recordJobs/util/DiscardingOutputFormat.java
---
    @@ -19,14 +19,14 @@
     
     package org.apache.flink.test.recordJobs.util;
     
    -import org.apache.flink.api.common.io.OutputFormat;
    +import org.apache.flink.api.common.io.RichOutputFormat;
     import org.apache.flink.configuration.Configuration;
     import org.apache.flink.types.Record;
     
     /**
      * A simple output format that discards all data by doing nothing.
      */
    -public class DiscardingOutputFormat implements OutputFormat<Record> {
    +public class DiscardingOutputFormat extends RichOutputFormat<Record> {
    --- End diff --
    
    I don't think the DiscardingOutputFormat needs to access the RuntimeContext


> Allow access to RuntimeContext from Input and OutputFormats
> -----------------------------------------------------------
>
>                 Key: FLINK-1819
>                 URL: https://issues.apache.org/jira/browse/FLINK-1819
>             Project: Flink
>          Issue Type: Improvement
>          Components: Local Runtime
>    Affects Versions: 0.9, 0.8.1
>            Reporter: Fabian Hueske
>            Priority: Minor
>             Fix For: 0.9
>
>
> User function that extend a RichFunction can access a {{RuntimeContext}} which gives
the parallel id of the task and access to Accumulators and BroadcastVariables. 
> Right now, Input and OutputFormats cannot access their {{RuntimeContext}}.



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