[HBASE-17809] cleanup unused class

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 2.0.0
• Hadoop Flags: Reviewed
• Assignee: Chia-Ping Tsai
• Reporter: Chia-Ping Tsai
• Created: 20/Mar/17 09:29
• Updated: 23/Mar/17 12:20
• Resolved: 23/Mar/17 06:17

Description

inspired by HBASE-17805. We had left a lot of orphan class due to a bunch of commits. We shall remove them.

class	last meeting	why	line count
LruHashMap	HBASE-1822	get rid of	1100
ScannerTimeoutException	HBASE-16266	get rid of	45
SortedCopyOnWriteSet	HBASE-12748	get rid of	178
TestSortedCopyOnWriteSet	HBASE-12748	get rid of	107
DelegatingRetryingCallable	HBASE-9049	create but never used	65
LockTimeoutException	HBASE-16786	get rid of	44
OperationConflictException	HBASE-9899	get rid of	50
InvalidQuotaSettingsException	HBASE-11598	create but never used	33
ShareableMemory	HBASE-15735	get rid of	40
BoundedArrayQueue	HBASE-14860	get rid of	82
TestBoundedArrayQueue	HBASE-14860	get rid of	61
ChecksumFactory	HBASE-11927	get rid of	100
TokenDepthComparator	HBASE-4676	create but never used	65
RegionMergeTransaction	HBASE-17470	get rid of	249
MetaUtils	HBASE-1822	get rid of	156