[HBASE-15583] Any HTableDescriptor we give out should be immutable - ASF JIRA

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Details

Type: Sub-task
Status: Resolved
Priority: Minor
Resolution: Fixed
Affects Version/s: 2.0.0
Fix Version/s: 2.0.0
Component/s: None
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Release Note:

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# The HTD got from Admin, AsyncAdmin, and Table is immutable.
# DEFERRED_LOG_FLUSH is removed.
# cleanup the deprecated construction of HTD

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# The HTD got from Admin, AsyncAdmin, and Table is immutable. # DEFERRED_LOG_FLUSH is removed. # cleanup the deprecated construction of HTD

Description

From Enis Soztutar in https://issues.apache.org/jira/browse/HBASE-15505:

PS Should UnmodifyableHTableDescriptor be renamed to UnmodifiableHTableDescriptor?

It should be named ImmutableHTableDescriptor to be consistent with collections naming. Let's do this as a subtask of the parent jira, not here. Thinking about it though, why would we return an Immutable HTD in HTable.getTableDescriptor() versus a mutable HTD in Admin.getTableDescriptor(). It does not make sense. Should we just get rid of the Immutable ones?
We also have UnmodifyableHRegionInfo which is not used at the moment it seems.