alluxio.master.file.meta

Class CompositeInodeLockList

java.lang.Object

alluxio.master.file.meta.InodeLockList

alluxio.master.file.meta.CompositeInodeLockList

All Implemented Interfaces:

AutoCloseable

@ThreadSafe
public class CompositeInodeLockList
extends InodeLockList

Manages the locks for a list of Inodes, based off an existing lock list. This does not modify the base lock list, and when this lock list is closed, the base lock list is not closed.

Field Summary

Fields inherited from class alluxio.master.file.meta.InodeLockList

mInodes, mLockModes

Constructor Summary

Constructors

Constructor and Description
CompositeInodeLockList(InodeLockList baseLockList) Constructs a new lock list, using an existing lock list as the base list.
CompositeInodeLockList(InodeLockList baseLockList, InodeLockList descendantLockList) Constructs a new lock list, using an existing lock list as the base list.

Method Summary

Modifier and Type	Method and Description
List<Inode<?>>	getInodes()
boolean	isEmpty()

Methods inherited from class alluxio.master.file.meta.InodeLockList

close, downgradeLast, lockRead, lockReadAndCheckNameAndParent, lockReadAndCheckParent, lockWrite, lockWriteAndCheckNameAndParent, lockWriteAndCheckParent, unlockLast

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CompositeInodeLockList

public CompositeInodeLockList(InodeLockList baseLockList)

Constructs a new lock list, using an existing lock list as the base list.

Parameters:

baseLockList - the base InodeLockList to use

CompositeInodeLockList

public CompositeInodeLockList(InodeLockList baseLockList,
                              InodeLockList descendantLockList)

Constructs a new lock list, using an existing lock list as the base list.

Parameters:

baseLockList - the base InodeLockList to use

descendantLockList - the locklist extension

Method Detail

getInodes

public List<Inode<?>> getInodes()

Overrides:

getInodes in class InodeLockList

Returns:

a copy of the the list of inodes locked in this lock list, in order of when the inodes were locked

isEmpty

public boolean isEmpty()

Overrides:

isEmpty in class InodeLockList

Returns:

true if the locklist is empty