Parth Brahmbhatt created STORM-519:
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Summary: HBaseLookupBolt should pass the input tuple to
ValueMapper to allow users to enrich input tuple.
Key: STORM-519
URL: https://issues.apache.org/jira/browse/STORM-519
Project: Apache Storm
Issue Type: Improvement
Affects Versions: 0.9.3
Reporter: Parth Brahmbhatt
Priority: Minor
Fix For: 0.9.3
Currently the hbase lookup bolt only passes the result returned after the
lookup is performed to HBaseValueMapper interface. This restricts the user to
only return result instance's variable as values that can be emitted.
The general use case is , user receives a tuple , it looks up some value from
hbase for this tuple, the lookup bolt returns some combination of original
tuple and new lookup value. With the current interface the user can only
return/emit values from the lookup and not from original tuple. I propose to
pass the original input tuple along with the result to interface.
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