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https://issues.apache.org/jira/browse/FLINK-3978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15302133#comment-15302133
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Greg Hogan commented on FLINK-3978:
-----------------------------------
Thanks! I removed that bit from the description. Only looking at
{{containsBroadcastVariable}} now.
> Add contains methods to RuntimeContext
> --------------------------------------
>
> Key: FLINK-3978
> URL: https://issues.apache.org/jira/browse/FLINK-3978
> Project: Flink
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.1.0
> Reporter: Greg Hogan
> Assignee: Greg Hogan
> Priority: Minor
>
> The javadocs for `RuntimeContext` state that `getAccumulator` "throws an
> exception if the accumulator does not exist or if the accumulator exists, but
> with different type", although `AbstractRuntimeUDFContext` does not throw an
> exception but will return null.
> The javadocs for `getBroadcastVariable` do not mention throwing an exception.
> Currently the only way to handle a broadcast variable that that may or may
> not exist is to catch and ignore the exception. Adding a
> `containsBroadcastVariable` method to `RuntimeContext` would make this
> explicit.
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