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https://issues.apache.org/jira/browse/STORM-1505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15121171#comment-15121171
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ASF GitHub Bot commented on STORM-1505:
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Github user arunmahadevan commented on the pull request:
https://github.com/apache/storm/pull/1050#issuecomment-176111096
@ptgoetz addressed review comments and also added a `filter` api so that
tuples can be filtered by passing only the predicate in the filter api than
using each.
> Add map, flatMap and filter operations in trident api
> -----------------------------------------------------
>
> Key: STORM-1505
> URL: https://issues.apache.org/jira/browse/STORM-1505
> Project: Apache Storm
> Issue Type: Improvement
> Reporter: Arun Mahadevan
> Assignee: Arun Mahadevan
>
> map and flatMap are common stream operations.
> Right now in trident this has to be implemented via each() which also sends
> the input field values in addition to the mapped field values, so the map and
> flatmap should make things slightly more efficient and easy.
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