Use builder pattern in StoreFile and HFile
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Key: HBASE-5442
URL: https://issues.apache.org/jira/browse/HBASE-5442
Project: HBase
Issue Type: Improvement
Reporter: Mikhail Bautin
Assignee: Mikhail Bautin
We have five ways to create an HFile writer, two ways to create a StoreFile
writer, and the sets of parameters keep changing, creating a lot of confusion,
especially when porting patches across branches. The same thing is happening to
HColumnDescriptor. I think we should move to a "builder pattern" solution, e.g.
{code:java}
HFileWriter w = HFile.getWriterBuilder(conf, <some common args>)
.setParameter1(value1)
.setParameter2(value2)
...
.build();
{code}
Each parameter setter being on its own line will make merges/cherry-pick work
properly, we will not have to even mention default parameters again, and we can
eliminate a dozen impossible-to-remember constructors.
This particular JIRA addresses StoreFile and HFile refactoring. For
HColumnDescriptor refactoring see HBASE-5357.
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