Jungtaek Lim created STORM-2072:
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Summary: Add map, flatMap with different outputs (T->V) in Trident
Key: STORM-2072
URL: https://issues.apache.org/jira/browse/STORM-2072
Project: Apache Storm
Issue Type: Improvement
Components: storm-core
Reporter: Jungtaek Lim
Assignee: Jungtaek Lim
In STORM-1505 we introduced map, flatMap, filter to Trident which are more
familiar than what Trident originally had (users had to use each and project to
do the similar thing).
Current version of map and flatMap assume next output fields are same to
current output fields, in other words, supporting only T -> T conversion. But
in many situations we need to have T -> V conversion.
This issue adds T -> V conversion (via method overloading) to both map and
flatMap.
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