Uses of Enum Class
org.apache.hadoop.hdfs.util.RwLockMode

Packages that use RwLockMode

Package	Description
org.apache.hadoop.hdfs.server.namenode
org.apache.hadoop.hdfs.server.namenode.fgl	Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
org.apache.hadoop.hdfs.util

Uses of RwLockMode in org.apache.hadoop.hdfs.server.namenode

Methods in org.apache.hadoop.hdfs.server.namenode with parameters of type RwLockMode

Modifier and Type	Method	Description
boolean	FSNamesystem.hasReadLock(RwLockMode lockMode)
boolean	FSNamesystem.hasWriteLock(RwLockMode lockMode)
void	FSNamesystem.readLock(RwLockMode lockMode)
void	FSNamesystem.readLockInterruptibly(RwLockMode lockMode)
void	FSNamesystem.readUnlock(RwLockMode lockMode, String opName)
void	FSNamesystem.readUnlock(RwLockMode lockMode, String opName, Supplier<String> lockReportInfoSupplier)
void	FSNamesystem.writeLock(RwLockMode lockMode)
void	FSNamesystem.writeLockInterruptibly(RwLockMode lockMode)
void	FSNamesystem.writeUnlock(RwLockMode lockMode, String opName)
void	FSNamesystem.writeUnlock(RwLockMode lockMode, String opName, boolean suppressWriteLockReport)
void	FSNamesystem.writeUnlock(RwLockMode lockMode, String opName, Supplier<String> lockReportInfoSupplier)

Uses of RwLockMode in org.apache.hadoop.hdfs.server.namenode.fgl

Methods in org.apache.hadoop.hdfs.server.namenode.fgl with parameters of type RwLockMode

Modifier and Type	Method	Description
long	FineGrainedFSNamesystemLock.getNumOfReadLockLongHold(RwLockMode lockMode)
long	FSNLockManager.getNumOfReadLockLongHold(RwLockMode lockMode)	Returns the number of time the read lock has been held longer than the threshold.
long	GlobalFSNamesystemLock.getNumOfReadLockLongHold(RwLockMode lockMode)
long	FineGrainedFSNamesystemLock.getNumOfWriteLockLongHold(RwLockMode lockMode)
long	FSNLockManager.getNumOfWriteLockLongHold(RwLockMode lockMode)	Returns the number of time the write-lock has been held longer than the threshold.
long	GlobalFSNamesystemLock.getNumOfWriteLockLongHold(RwLockMode lockMode)
int	FineGrainedFSNamesystemLock.getQueueLength(RwLockMode lockMode)
int	FSNLockManager.getQueueLength(RwLockMode lockMode)	Returns the QueueLength of waiting threads.
int	GlobalFSNamesystemLock.getQueueLength(RwLockMode lockMode)
int	FineGrainedFSNamesystemLock.getReadHoldCount(RwLockMode lockMode)	This method is only used for ComputeDirectoryContentSummary.
int	FSNLockManager.getReadHoldCount(RwLockMode lockMode)	Queries the number of reentrant read holds on this lock by the current thread.
int	GlobalFSNamesystemLock.getReadHoldCount(RwLockMode lockMode)
boolean	FineGrainedFSNamesystemLock.hasReadLock(RwLockMode lockMode)
boolean	FSNLockManager.hasReadLock(RwLockMode lockMode)	Check if the current thread holds read lock according to the lock mode.
boolean	GlobalFSNamesystemLock.hasReadLock(RwLockMode lockMode)
boolean	FineGrainedFSNamesystemLock.hasWriteLock(RwLockMode lockMode)
boolean	FSNLockManager.hasWriteLock(RwLockMode lockMode)	Check if the current thread holds write lock according to the lock mode.
boolean	GlobalFSNamesystemLock.hasWriteLock(RwLockMode lockMode)
void	FineGrainedFSNamesystemLock.readLock(RwLockMode lockMode)
void	FSNLockManager.readLock(RwLockMode lockMode)	Acquire read lock for an operation according to the lock mode.
void	GlobalFSNamesystemLock.readLock(RwLockMode lockMode)
void	FineGrainedFSNamesystemLock.readLockInterruptibly(RwLockMode lockMode)
void	FSNLockManager.readLockInterruptibly(RwLockMode lockMode)	Acquire read lock according to the lock mode, unless interrupted while waiting.
void	GlobalFSNamesystemLock.readLockInterruptibly(RwLockMode lockMode)
void	FineGrainedFSNamesystemLock.readUnlock(RwLockMode lockMode, String opName)
void	FineGrainedFSNamesystemLock.readUnlock(RwLockMode lockMode, String opName, Supplier<String> lockReportInfoSupplier)
void	FSNLockManager.readUnlock(RwLockMode lockMode, String opName)	Release read lock for the operation according to the lock mode.
void	FSNLockManager.readUnlock(RwLockMode lockMode, String opName, Supplier<String> lockReportInfoSupplier)	Release read lock for the operation according to the lock mode.
void	GlobalFSNamesystemLock.readUnlock(RwLockMode lockMode, String opName)
void	GlobalFSNamesystemLock.readUnlock(RwLockMode lockMode, String opName, Supplier<String> lockReportInfoSupplier)
void	FineGrainedFSNamesystemLock.writeLock(RwLockMode lockMode)
void	FSNLockManager.writeLock(RwLockMode lockMode)	Acquire write lock for an operation according to the lock mode.
void	GlobalFSNamesystemLock.writeLock(RwLockMode lockMode)
void	FineGrainedFSNamesystemLock.writeLockInterruptibly(RwLockMode lockMode)
void	FSNLockManager.writeLockInterruptibly(RwLockMode lockMode)
void	GlobalFSNamesystemLock.writeLockInterruptibly(RwLockMode lockMode)
void	FineGrainedFSNamesystemLock.writeUnlock(RwLockMode lockMode, String opName)
void	FineGrainedFSNamesystemLock.writeUnlock(RwLockMode lockMode, String opName, boolean suppressWriteLockReport)
void	FineGrainedFSNamesystemLock.writeUnlock(RwLockMode lockMode, String opName, Supplier<String> lockReportInfoSupplier)
void	FSNLockManager.writeUnlock(RwLockMode lockMode, String opName)	Release write lock for the operation according to the lock mode.
void	FSNLockManager.writeUnlock(RwLockMode lockMode, String opName, boolean suppressWriteLockReport)	Release write lock for the operation according to the lock mode.
void	FSNLockManager.writeUnlock(RwLockMode lockMode, String opName, Supplier<String> lockReportInfoSupplier)	Release write lock for the operation according to the lock mode.
void	GlobalFSNamesystemLock.writeUnlock(RwLockMode lockMode, String opName)
void	GlobalFSNamesystemLock.writeUnlock(RwLockMode lockMode, String opName, boolean suppressWriteLockReport)
void	GlobalFSNamesystemLock.writeUnlock(RwLockMode lockMode, String opName, Supplier<String> lockReportInfoSupplier)

Uses of RwLockMode in org.apache.hadoop.hdfs.util

Methods in org.apache.hadoop.hdfs.util that return RwLockMode

Modifier and Type	Method	Description
static RwLockMode	RwLockMode.valueOf(String name)	Returns the enum constant of this class with the specified name.
static RwLockMode[]	RwLockMode.values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods in org.apache.hadoop.hdfs.util with parameters of type RwLockMode

Modifier and Type	Method	Description
boolean	RwLock.hasReadLock(RwLockMode lockMode)	Check if the current thread holds read lock.
boolean	RwLock.hasWriteLock(RwLockMode lockMode)	Check if the current thread holds write lock.
void	RwLock.readLock(RwLockMode lockMode)	Acquire read lock.
void	RwLock.readLockInterruptibly(RwLockMode lockMode)	Acquire read lock, unless interrupted while waiting.
void	RwLock.readUnlock(RwLockMode lockMode, String opName)	Release read lock with operation name.
void	RwLock.writeLock(RwLockMode lockMode)	Acquire write lock.
void	RwLock.writeLockInterruptibly(RwLockMode lockMode)	Acquire write lock, unless interrupted while waiting.
void	RwLock.writeUnlock(RwLockMode lockMode, String opName)	Release write lock with operation name.