Remove duplicated code from Put, Delete, Get, Scan, MultiPut
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Key: HBASE-4347
URL: https://issues.apache.org/jira/browse/HBASE-4347
Project: HBase
Issue Type: Improvement
Components: util
Affects Versions: 0.92.0
Reporter: Lars Hofhansl
Priority: Minor
Fix For: 0.92.0
This came from discussion with Stack w.r.t. HBASE-2195.
There is currently a lot of duplicated code especially between Put and Delete,
and also between all Operations.
For example all of Put/Delete/Get/Scan have attributes with exactly the same
code in all classes.
Put and Delete also have the familyMap, Row, Rowlock, Timestamp, etc.
One way to do this is to introduce "OperationWithAttributes" which extends
Operation, and have Put/Delete/Get/Scan extend that rather than Operation.
In addition Put and Delete could extends from Mutation (which itself would
extend OperationWithAttributes).
If a static inheritance hierarchy is not desired here, we can use delegation.
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