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https://issues.apache.org/jira/browse/GEODE-782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16804406#comment-16804406
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Anthony Baker commented on GEODE-782:
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I agree with the sentiment but closing due to inaction. Please reopen if
needed.
> RegionFunctionContext.getFilter() should never return null
> ----------------------------------------------------------
>
> Key: GEODE-782
> URL: https://issues.apache.org/jira/browse/GEODE-782
> Project: Geode
> Issue Type: Wish
> Components: functions
> Reporter: Rafal Glowinski
> Priority: Minor
>
> Currently, RegionFunctionContext.getFilter() returns null reference if
> function has been called without providing any keys to filter.
> I think that it would be much better to return Collections.EMPTY_SET instead
> so that we should not check filter for null reference whenever we write
> custom functions. I know that current behaviour should remain unchanged due
> to backward compatibility, but maybe current getFilter() method could be made
> @Deprecated and new one introduced?
> I would be happy to implement it myself to get started with Geode OSS.
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