[jira] [Commented] (STORM-1505) Add map, flatMap and filter operations in trident api

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/STORM-1505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15121171#comment-15121171 ] 

ASF GitHub Bot commented on STORM-1505:
---------------------------------------

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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