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https://issues.apache.org/jira/browse/FLINK-1819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14649269#comment-14649269
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ASF GitHub Bot commented on FLINK-1819:
---------------------------------------
Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/966#discussion_r35977130
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/operators/DataSourceTask.java
---
@@ -75,6 +78,13 @@
// cancel flag
private volatile boolean taskCanceled = false;
+ /**
+ * The accumulator map used in the RuntimeContext.
+ */
+ protected Map<String, Accumulator<?,?>> accumulatorMap;
--- End diff --
This field should be final. Or you get rid of the field and just access the
accumulators via `getEnvironment().getAccumulatorRegistry().getUserMap()`.
> 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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