Allow Observers to completely override base function
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Key: HBASE-3348
URL: https://issues.apache.org/jira/browse/HBASE-3348
Project: HBase
Issue Type: Sub-task
Reporter: Andrew Purtell
Fix For: 0.92.0
Currently an observer can act as a filter or translator but cannot stop a
subsequent call down to the base method for get, put, delete, etc. This means
an observer cannot completely override the base function. To deal with this we
can:
- Change the preXXX methods to return the same type as the postXXX methods, the
same return type of the base method.
- Extend {{Coprocessor.Environment}} with methods that get/set a "should
continue" flag.
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