org.apache.hadoop.hbase.procedure2

Interface LockStatus

All Known Implementing Classes:

LockAndQueue

@InterfaceAudience.Private
public interface LockStatus

Interface to get status of a Lock without getting access to acquire/release lock. Currently used in MasterProcedureScheduler where we want to give Queues access to lock's status for scheduling purposes, but not the ability to acquire/release it.

Method Summary

Modifier and Type	Method and Description
Procedure<?>	getExclusiveLockOwnerProcedure()
long	getExclusiveLockProcIdOwner()
int	getSharedLockCount()
boolean	hasExclusiveLock()
boolean	hasLockAccess(Procedure proc)
boolean	hasParentLock(Procedure proc)
boolean	isLocked()
boolean	isLockOwner(long procId)

Method Detail

isLocked

boolean isLocked()

hasExclusiveLock

boolean hasExclusiveLock()

isLockOwner

boolean isLockOwner(long procId)

hasParentLock

boolean hasParentLock(Procedure proc)

hasLockAccess

boolean hasLockAccess(Procedure proc)

getExclusiveLockOwnerProcedure

Procedure<?> getExclusiveLockOwnerProcedure()

getExclusiveLockProcIdOwner

long getExclusiveLockProcIdOwner()

getSharedLockCount

int getSharedLockCount()