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https://issues.apache.org/jira/browse/TINKERPOP3-338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marko A. Rodriguez closed TINKERPOP3-338.
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Resolution: Won't Fix
> If a MapReduce emit object is MapReduce.NullObject, do not emit it.
> -------------------------------------------------------------------
>
> Key: TINKERPOP3-338
> URL: https://issues.apache.org/jira/browse/TINKERPOP3-338
> Project: TinkerPop 3
> Issue Type: Improvement
> Components: process
> Reporter: Marko A. Rodriguez
> Assignee: Marko A. Rodriguez
>
> There are three solutions to this problem that I see:
> * MapReduce.getFinalEmitPattern(Enum.KEY || Enum.VALUE || Enum.KEYVALUE)
> * MapReduce.getMapOutputKeyClass(), MapReduce.getMapOutputValueClass(),
> MapReduce.getReduceOutputKeyClass(), MapReduce.getReduceOutputValueClass();
> * GremlinOutputFormat(AnotherOutputFormat) and
> GremlinInputFormat(AnotherInputFormat) and it knows to be smart about
> MapReduce.NullObject.
> [~dalaro]
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