org.alfresco.jlan.server.filesys.cache.hazelcast

Class HazelCastClusterFileStateCache

java.lang.Object

org.alfresco.jlan.server.filesys.cache.FileStateCache

org.alfresco.jlan.server.filesys.cache.cluster.ClusterFileStateCache

org.alfresco.jlan.server.filesys.cache.hazelcast.HazelCastClusterFileStateCache

All Implemented Interfaces:

com.hazelcast.core.EntryListener, com.hazelcast.core.MembershipListener, com.hazelcast.core.MessageListener, java.util.EventListener, ClusterInterface

public class HazelCastClusterFileStateCache
extends ClusterFileStateCache
implements ClusterInterface, com.hazelcast.core.MembershipListener, com.hazelcast.core.EntryListener, com.hazelcast.core.MessageListener

HazelCast Clustered File State Cache Class

Field Summary

Fields

Modifier and Type	Field and Description
static int	DebugByteLock
static int	DebugCleanup
static int	DebugClusterEntry
static int	DebugClusterMessage
static int	DebugExpire
static int	DebugFileAccess
static int	DebugFileDataUpdate
static int	DebugFileStatus
static int	DebugMembership
static int	DebugNearCache
static int	DebugOplock
static int	DebugPerNode
static int	DebugRemoteTask
static int	DebugRemoteTiming
static int	DebugRename
static int	DebugStateCache
static long	DefaultNearCacheTimeout
static long	MaximumNearCacheTimeout
static long	MinimumNearCacheTimeout

Fields inherited from class org.alfresco.jlan.server.filesys.cache.FileStateCache

DefaultExpireCheckInterval, DefaultFileStateExpireInterval, MinimumExpireCheckInterval, MinimumFileStateExpireInterval

Constructor Summary

Constructors

Constructor and Description
HazelCastClusterFileStateCache() Class constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	addLock(FileState fstate, FileLock lock) Add a lock to this file
boolean	addOpLock(FileState fstate, OpLockDetails oplock, NetworkFile netFile) Add an oplock
boolean	canReadFile(ClusterFileState clState, long offset, long len, int pid) Check if the file is readable for the specified section of the file and process id
boolean	canWriteFile(ClusterFileState clState, long offset, long len, int pid) Check if the file is writeable for the specified section of the file and process id
void	changeOpLockType(OpLockDetails oplock, int newTyp) Change an oplock type
protected boolean	checkFileAccess(ClusterFileState clState, long offset, long len, int pid, boolean writeCheck) Check file access using a remote call
protected void	clearLowPriorityStateUpdates(int updateMask) Clear some, or all, low priority state updates that may be queued
void	clearOpLock(FileState fstate) Clear an oplock
FileLock	createFileLockObject(NetworkFile file, long offset, long len, int pid) Create a file lock object
void	dumpCache(boolean dumpAttribs) Dump the state cache entries to the debug device
void	entryAdded(com.hazelcast.core.EntryEvent event) Invoked when an entry is added to the clustered cache
void	entryEvicted(com.hazelcast.core.EntryEvent event) Invoked when an entry is evicted from the clustered cache
void	entryRemoved(com.hazelcast.core.EntryEvent event) Invoked when an entry is removed from the clustered cache
void	entryUpdated(com.hazelcast.core.EntryEvent event) Invoked when an entry is updated in the clustered cache
java.util.Enumeration	enumerateCache() Enumerate the file state cache
FileState	findFileState(java.lang.String path) Find the file state for the specified path
FileState	findFileState(java.lang.String path, boolean create) Find the file state for the specified path, and optionally create a new file state if not found
FileState	findFileState(java.lang.String path, boolean create, int status) Find the file state for the specified path, and optionally create a new file state if not found with the specified initial status
java.lang.String	getClusterName() Return the cluster name
FileStateProxy	getFileStateProxy(FileState fstate) Return a file state proxy for the specified file state
ClusterNode	getLocalNode() Return the local node details
ClusterNodeList	getNodeList() Return the list of nodes
NotifyChangeHandler	getNotifyChangeHandler() Return the change notification handler, if configured for the filesystem
OpLockDetails	getOpLock(FileState fstate) Return the oplock details for a file, or null if there is no oplock
OpLockManager	getOpLockManager() Return the oplock manager
PerNodeState	getPerNodeState(ClusterFileState fState, boolean createState) Return the per node state for a file state, and optionally create a new per node state
PerNodeState	getPerNodeState(java.lang.String path, boolean createState) Return the per node state for a file path, and optionally create a new per node state
ClusterFileStateCache	getStateCache() Return the associated cluster state cache
protected HazelCastClusterFileState	getStateFromNearCache(java.lang.String path) Try and get a file state from the near cache
ThreadRequestPool	getThreadPool() Return the thread pool
FileAccessToken	grantFileAccess(FileOpenParams params, FileState fstate, int fileSts) Grant the required file access
boolean	hasActiveLocks(FileState fstate) Check if there are active locks on this file
boolean	hasDebugLevel(int flg) Check if the specified debug level is enabled
boolean	hasNearCache() Check if the near-cache is enabled
boolean	hasNotifyChangeHandler() Check if the change notification handler is set
boolean	hasSendNotExistStates() Check if none existent file/folder states should be sent to the cluster
boolean	hasTaskDebug() Check if remote task debugging is enabled
boolean	hasTaskTiming() Check if remote task timing is enabled
void	initializeCache(org.springframework.extensions.config.ConfigElement config, ServerConfiguration srvConfig) Initialize the file state cache
protected boolean	isLocalKey(java.lang.String path) Check if the path is in the locally owned cache partition
void	memberAdded(com.hazelcast.core.MembershipEvent membershipEvent) Cluster member added
void	memberRemoved(com.hazelcast.core.MembershipEvent membershipEvent) Cluster member removed
int	numberOfStates() Return the number of states in the cache
void	onMessage(ClusterMessage msg) Cluster topic message listener
protected void	procDataUpdate(DataUpdateMessage msg) Process a remote file data update message
protected void	procFileStateRename(StateRenameMessage msg) Process a remote file state rename message
protected void	procFileStateUpdate(StateUpdateMessage msg) Process a remote file state update message
protected void	procOpLockBreakNotify(OpLockMessage msg) Process a remote oplock break notify message
protected void	procOpLockBreakRequest(OpLockMessage msg) Process a remote oplock break request message
protected void	procOpLockTypeChange(OpLockMessage msg) Process a remote oplock type change message
int	releaseFileAccess(FileState fstate, FileAccessToken token) Release access to a file
protected boolean	remoteUpdateState(ClusterFileState clState, int updateMask) Update a file state using a remote task call
void	removeAllFileStates() Remove all file states from the cache
int	removeExpiredFileStates() Remove expired file states from the cache As the cache data is spread across the cluster we only expire file states that are stored on the local node.
FileState	removeFileState(java.lang.String path) Remove the file state for the specified path
void	removeLock(FileState fstate, FileLock lock) Remove a lock on this file
protected int	removeMemberData(com.hazelcast.core.Member member) Remove cluster cache data that is owned by the specified cluster member as the member has left the cluster (such as file locks and oplocks).
void	renameFileState(java.lang.String newPath, FileState state, boolean isDir) Rename a file state, remove the existing entry, update the path and add the state back into the cache using the new path.
void	requestOplockBreak(java.lang.String path, OpLockDetails oplock, SMBSrvSession sess, SMBSrvPacket pkt) Request an oplock break
void	setDataUpdateCompleted(FileState fstate) Indicate that a data update has completed for the specified file
void	setDataUpdateInProgress(FileState fstate) Indicate a data update is in progress for the specified file
void	setLocalNode(ClusterNode localNode) Set the local cluster node
void	setNodeList(ClusterNodeList nodeList) Set the cluster node list
void	setNotifyChangeHandler(NotifyChangeHandler notifyHandler) Set the change notification handler
void	setOpLockManager(OpLockManager oplockMgr) Set the oplock manager
void	setSendNotExistStates(boolean notExist) Set the send none existent file/folder states to the cluster
void	shutdownCluster() Shutdown the cluster
void	startCluster() Start the cluster
void	updateFileState(ClusterFileState clState, int updateMask) Update a file state, notify the cluster of the updates
protected void	updateNearCacheState(ClusterFileState clState) Update a near-cache state with a new state received from a remote task call

Methods inherited from class org.alfresco.jlan.server.filesys.cache.cluster.ClusterFileStateCache

addNodeToPurgeList, clusterRunning, getCluster, isClusteredCache, setCluster, setDriverDetails, stateCacheShuttingDown, stateCacheStarted

Methods inherited from class org.alfresco.jlan.server.filesys.cache.FileStateCache

addStateCacheListener, addStateListener, getCheckInterval, getFileStateExpireInterval, getStateCacheListener, getStateListener, hasDebug, hasDebugExpiredStates, hasDumpOnShutdown, hasStateCacheListener, hasStateListener, isCaseSensitive, removeStateCacheListener, removeStateListener, setCaseSensitive, setCheckInterval, setDebug, setDebugExpiredStates, setDumpOnShutdown, setFileStateExpireInterval

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.alfresco.jlan.server.filesys.cache.cluster.ClusterInterface

hasDebug

Field Detail

DebugStateCache

public static final int DebugStateCache

See Also:

Constant Field Values

DebugExpire

public static final int DebugExpire

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DebugNearCache

public static final int DebugNearCache

See Also:

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DebugOplock

public static final int DebugOplock

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DebugByteLock

public static final int DebugByteLock

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DebugFileAccess

public static final int DebugFileAccess

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DebugMembership

public static final int DebugMembership

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DebugCleanup

public static final int DebugCleanup

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DebugPerNode

public static final int DebugPerNode

See Also:

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DebugClusterEntry

public static final int DebugClusterEntry

See Also:

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DebugClusterMessage

public static final int DebugClusterMessage

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DebugRemoteTask

public static final int DebugRemoteTask

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DebugRemoteTiming

public static final int DebugRemoteTiming

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DebugRename

public static final int DebugRename

See Also:

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DebugFileDataUpdate

public static final int DebugFileDataUpdate

See Also:

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DebugFileStatus

public static final int DebugFileStatus

See Also:

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DefaultNearCacheTimeout

public static final long DefaultNearCacheTimeout

See Also:

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MinimumNearCacheTimeout

public static final long MinimumNearCacheTimeout

See Also:

Constant Field Values

MaximumNearCacheTimeout

public static final long MaximumNearCacheTimeout

See Also:

Constant Field Values

Constructor Detail

HazelCastClusterFileStateCache

public HazelCastClusterFileStateCache()

Class constructor

Method Detail

initializeCache

public void initializeCache(org.springframework.extensions.config.ConfigElement config,
                   ServerConfiguration srvConfig)
                     throws InvalidConfigurationException

Initialize the file state cache

Overrides:

initializeCache in class FileStateCache

Parameters:

srvConfig - ServerConfiguration

config - ConfigElement

Throws:

InvalidConfigurationException

numberOfStates

public int numberOfStates()

Return the number of states in the cache

Specified by:

numberOfStates in class FileStateCache

Returns:

int

enumerateCache

public java.util.Enumeration enumerateCache()

Enumerate the file state cache

Returns:

Enumeration

dumpCache

public void dumpCache(boolean dumpAttribs)

Dump the state cache entries to the debug device

Specified by:

dumpCache in class FileStateCache

Parameters:

dumpAttribs - boolean

getFileStateProxy

public FileStateProxy getFileStateProxy(FileState fstate)

Return a file state proxy for the specified file state

Overrides:

getFileStateProxy in class FileStateCache

Parameters:

fstate - FileState

hasNearCache

public final boolean hasNearCache()

Check if the near-cache is enabled

Returns:

boolean

findFileState

public FileState findFileState(java.lang.String path)

Find the file state for the specified path

Specified by:

findFileState in class FileStateCache

Parameters:

path - String

Returns:

FileState

findFileState

public FileState findFileState(java.lang.String path,
                      boolean create)

Find the file state for the specified path, and optionally create a new file state if not found

Specified by:

findFileState in class FileStateCache

Parameters:

path - String

create - boolean

Returns:

FileState

findFileState

public FileState findFileState(java.lang.String path,
                      boolean create,
                      int status)

Find the file state for the specified path, and optionally create a new file state if not found with the specified initial status

Specified by:

findFileState in class FileStateCache

Parameters:

path - String

create - boolean

status - int

Returns:

FileState

removeFileState

public FileState removeFileState(java.lang.String path)

Remove the file state for the specified path

Specified by:

removeFileState in class FileStateCache

Parameters:

path - String

Returns:

FileState

renameFileState

public void renameFileState(java.lang.String newPath,
                   FileState state,
                   boolean isDir)

Rename a file state, remove the existing entry, update the path and add the state back into the cache using the new path.

Specified by:

renameFileState in class FileStateCache

Parameters:

newPath - String

state - FileState

isDir - boolean

removeAllFileStates

public void removeAllFileStates()

Remove all file states from the cache

Specified by:

removeAllFileStates in class FileStateCache

removeExpiredFileStates

public int removeExpiredFileStates()

Remove expired file states from the cache As the cache data is spread across the cluster we only expire file states that are stored on the local node.

Specified by:

removeExpiredFileStates in class FileStateCache

Returns:

int

getOpLock

public OpLockDetails getOpLock(FileState fstate)

Return the oplock details for a file, or null if there is no oplock

Overrides:

getOpLock in class FileStateCache

Parameters:

fstate - FileState

Returns:

OpLockDetails

addOpLock

public boolean addOpLock(FileState fstate,
                OpLockDetails oplock,
                NetworkFile netFile)
                  throws ExistingOpLockException

Add an oplock

Overrides:

addOpLock in class FileStateCache

Parameters:

fstate - FileState

oplock - OpLockDetails

netFile - NetworkFile

Returns:

boolean

Throws:

ExistingOpLockException

clearOpLock

public void clearOpLock(FileState fstate)

Clear an oplock

Overrides:

clearOpLock in class FileStateCache

Parameters:

fstate - FileState

createFileLockObject

public FileLock createFileLockObject(NetworkFile file,
                            long offset,
                            long len,
                            int pid)

Create a file lock object

Overrides:

createFileLockObject in class FileStateCache

Parameters:

file - NetworkFile

offset - long

len - long

pid - int

hasActiveLocks

public boolean hasActiveLocks(FileState fstate)

Check if there are active locks on this file

Overrides:

hasActiveLocks in class FileStateCache

Parameters:

fstate - FileState

Returns:

boolean

addLock

public void addLock(FileState fstate,
           FileLock lock)
             throws LockConflictException

Add a lock to this file

Overrides:

addLock in class FileStateCache

Parameters:

fstate - FileState

lock - FileLock

Throws:

LockConflictException

removeLock

public void removeLock(FileState fstate,
              FileLock lock)
                throws NotLockedException

Remove a lock on this file

Overrides:

removeLock in class FileStateCache

Parameters:

fstate - FileState

lock - FileLock

Throws:

NotLockedException

startCluster

public void startCluster()
                  throws java.lang.Exception

Start the cluster

Specified by:

startCluster in interface ClusterInterface

Throws:

java.lang.Exception

shutdownCluster

public void shutdownCluster()
                     throws java.lang.Exception

Shutdown the cluster

Specified by:

shutdownCluster in interface ClusterInterface

Throws:

java.lang.Exception

requestOplockBreak

public void requestOplockBreak(java.lang.String path,
                      OpLockDetails oplock,
                      SMBSrvSession sess,
                      SMBSrvPacket pkt)
                        throws java.io.IOException,
                               DeferFailedException

Request an oplock break

Overrides:

requestOplockBreak in class FileStateCache

Parameters:

clNode - ClusterNode

clState - ClusterFileState

sess - SMBSrvSession

pkt - SMBSrvPacket

Throws:

java.io.IOException

DeferFailedException

changeOpLockType

public void changeOpLockType(OpLockDetails oplock,
                    int newTyp)

Change an oplock type

Overrides:

changeOpLockType in class FileStateCache

Parameters:

oplock - OpLockDetails

newTyp -

memberAdded

public void memberAdded(com.hazelcast.core.MembershipEvent membershipEvent)

Cluster member added

Specified by:

memberAdded in interface com.hazelcast.core.MembershipListener

Parameters:

membershipEvent - MembershipEvent

memberRemoved

public void memberRemoved(com.hazelcast.core.MembershipEvent membershipEvent)

Cluster member removed

Specified by:

memberRemoved in interface com.hazelcast.core.MembershipListener

Parameters:

membershipEvent - MembershipEvent

removeMemberData

protected int removeMemberData(com.hazelcast.core.Member member)

Remove cluster cache data that is owned by the specified cluster member as the member has left the cluster (such as file locks and oplocks). As the cache data is spread across the cluster we remove data that is on the file states that are stored on the local node.

Parameters:

member - Member

Returns:

int

getPerNodeState

public PerNodeState getPerNodeState(ClusterFileState fState,
                           boolean createState)

Return the per node state for a file state, and optionally create a new per node state

Specified by:

getPerNodeState in class ClusterFileStateCache

Parameters:

fState - ClusterFileState

createState - boolean

Returns:

PerNodeState

getPerNodeState

public PerNodeState getPerNodeState(java.lang.String path,
                           boolean createState)

Return the per node state for a file path, and optionally create a new per node state

Specified by:

getPerNodeState in class ClusterFileStateCache

Parameters:

path - String

createState - boolean

Returns:

PerNodeState

grantFileAccess

public FileAccessToken grantFileAccess(FileOpenParams params,
                              FileState fstate,
                              int fileSts)
                                throws FileSharingException,
                                       AccessDeniedException,
                                       FileExistsException

Grant the required file access

Overrides:

grantFileAccess in class FileStateCache

Parameters:

params - FileOpenParams

fstate - FileState

fileSts - int

Returns:

FileAccessToken

Throws:

FileSharingException

AccessDeniedException

FileExistsException

releaseFileAccess

public int releaseFileAccess(FileState fstate,
                    FileAccessToken token)

Release access to a file

Overrides:

releaseFileAccess in class FileStateCache

Parameters:

token - FileAccessToken

Returns:

int

canReadFile

public boolean canReadFile(ClusterFileState clState,
                  long offset,
                  long len,
                  int pid)

Check if the file is readable for the specified section of the file and process id

Specified by:

canReadFile in class ClusterFileStateCache

Parameters:

clState - ClusterFileState

offset - long

len - long

pid - int

Returns:

boolean

canWriteFile

public boolean canWriteFile(ClusterFileState clState,
                   long offset,
                   long len,
                   int pid)

Check if the file is writeable for the specified section of the file and process id

Specified by:

canWriteFile in class ClusterFileStateCache

Parameters:

clState - ClusterFileState

offset - long

len - long

pid - int

Returns:

boolean

checkFileAccess

protected boolean checkFileAccess(ClusterFileState clState,
                      long offset,
                      long len,
                      int pid,
                      boolean writeCheck)

Check file access using a remote call

Parameters:

clState - ClusterFileState

offset - long

len - long

pid - int

writeCheck - boolean

Returns:

boolean

remoteUpdateState

protected boolean remoteUpdateState(ClusterFileState clState,
                        int updateMask)

Update a file state using a remote task call

Parameters:

clState - ClusterFileState

updateMask - int

Returns:

boolean

updateFileState

public void updateFileState(ClusterFileState clState,
                   int updateMask)

Update a file state, notify the cluster of the updates

Specified by:

updateFileState in class ClusterFileStateCache

Parameters:

clState - ClusterFileState

updateMask - int

getClusterName

public java.lang.String getClusterName()

Return the cluster name

Specified by:

getClusterName in interface ClusterInterface

Returns:

String

getNodeList

public ClusterNodeList getNodeList()

Return the list of nodes

Specified by:

getNodeList in interface ClusterInterface

Returns:

ClusterNodeList

getLocalNode

public ClusterNode getLocalNode()

Return the local node details

Specified by:

getLocalNode in interface ClusterInterface

Returns:

ClusterNode

getStateCache

public ClusterFileStateCache getStateCache()

Return the associated cluster state cache

Specified by:

getStateCache in interface ClusterInterface

Returns:

ClusterFileStateCache

getThreadPool

public ThreadRequestPool getThreadPool()

Return the thread pool

Specified by:

getThreadPool in interface ClusterInterface

Returns:

ThreadRequestPool

hasSendNotExistStates

public boolean hasSendNotExistStates()

Check if none existent file/folder states should be sent to the cluster

Specified by:

hasSendNotExistStates in interface ClusterInterface

Returns:

boolean

getOpLockManager

public OpLockManager getOpLockManager()

Return the oplock manager

Specified by:

getOpLockManager in interface ClusterInterface

Returns:

OpLockManager

hasNotifyChangeHandler

public boolean hasNotifyChangeHandler()

Check if the change notification handler is set

Returns:

boolean

getNotifyChangeHandler

public NotifyChangeHandler getNotifyChangeHandler()

Return the change notification handler, if configured for the filesystem

Specified by:

getNotifyChangeHandler in interface ClusterInterface

Returns:

NotifyChangeHandler

setSendNotExistStates

public void setSendNotExistStates(boolean notExist)

Set the send none existent file/folder states to the cluster

Specified by:

setSendNotExistStates in interface ClusterInterface

Parameters:

notExist - boolean

setOpLockManager

public void setOpLockManager(OpLockManager oplockMgr)

Set the oplock manager

Specified by:

setOpLockManager in interface ClusterInterface

Parameters:

oplockMgr - OpLockManager

setNotifyChangeHandler

public void setNotifyChangeHandler(NotifyChangeHandler notifyHandler)

Set the change notification handler

Specified by:

setNotifyChangeHandler in interface ClusterInterface

Parameters:

notifyHandler - NotifyChangeHandler

setNodeList

public void setNodeList(ClusterNodeList nodeList)

Set the cluster node list

Specified by:

setNodeList in interface ClusterInterface

Parameters:

nodeList - ClusterNodeList

setLocalNode

public void setLocalNode(ClusterNode localNode)

Set the local cluster node

Specified by:

setLocalNode in interface ClusterInterface

Parameters:

localNode - ClusterNode

hasDebugLevel

public final boolean hasDebugLevel(int flg)

Check if the specified debug level is enabled

Parameters:

flg - int

Returns:

boolean

hasTaskDebug

public final boolean hasTaskDebug()

Check if remote task debugging is enabled

Returns:

boolean

hasTaskTiming

public final boolean hasTaskTiming()

Check if remote task timing is enabled

Returns:

boolean

entryAdded

public void entryAdded(com.hazelcast.core.EntryEvent event)

Invoked when an entry is added to the clustered cache

Specified by:

entryAdded in interface com.hazelcast.core.EntryListener

Parameters:

event - entry event

entryRemoved

public void entryRemoved(com.hazelcast.core.EntryEvent event)

Invoked when an entry is removed from the clustered cache

Specified by:

entryRemoved in interface com.hazelcast.core.EntryListener

Parameters:

event - entry event

entryUpdated

public void entryUpdated(com.hazelcast.core.EntryEvent event)

Invoked when an entry is updated in the clustered cache

Specified by:

entryUpdated in interface com.hazelcast.core.EntryListener

Parameters:

event - entry event

entryEvicted

public void entryEvicted(com.hazelcast.core.EntryEvent event)

Invoked when an entry is evicted from the clustered cache

Specified by:

entryEvicted in interface com.hazelcast.core.EntryListener

Parameters:

event - entry event

onMessage

public void onMessage(ClusterMessage msg)

Cluster topic message listener

Specified by:

onMessage in interface com.hazelcast.core.MessageListener

Parameters:

msg - ClusterMessage

procOpLockBreakRequest

protected void procOpLockBreakRequest(OpLockMessage msg)

Process a remote oplock break request message

Parameters:

msg - OpLockMessage

procOpLockBreakNotify

protected void procOpLockBreakNotify(OpLockMessage msg)

Process a remote oplock break notify message

Parameters:

msg - OpLockMessage

procOpLockTypeChange

protected void procOpLockTypeChange(OpLockMessage msg)

Process a remote oplock type change message

Parameters:

msg - OpLockMessage

procFileStateUpdate

protected void procFileStateUpdate(StateUpdateMessage msg)

Process a remote file state update message

Parameters:

msg - StateUpdateMessage

procFileStateRename

protected void procFileStateRename(StateRenameMessage msg)

Process a remote file state rename message

Parameters:

msg - StateRenameMessage

procDataUpdate

protected void procDataUpdate(DataUpdateMessage msg)

Process a remote file data update message

Parameters:

msg - DataUpdateMessage

isLocalKey

protected boolean isLocalKey(java.lang.String path)

Check if the path is in the locally owned cache partition

Parameters:

path - String

Returns:

boolean

clearLowPriorityStateUpdates

protected final void clearLowPriorityStateUpdates(int updateMask)

Clear some, or all, low priority state updates that may be queued

Parameters:

updateMask - int

updateNearCacheState

protected final void updateNearCacheState(ClusterFileState clState)

Update a near-cache state with a new state received from a remote task call

Parameters:

clState - ClusterFileState

setDataUpdateInProgress

public void setDataUpdateInProgress(FileState fstate)

Indicate a data update is in progress for the specified file

Overrides:

setDataUpdateInProgress in class FileStateCache

Parameters:

fstate - FileState

setDataUpdateCompleted

public void setDataUpdateCompleted(FileState fstate)

Indicate that a data update has completed for the specified file

Overrides:

setDataUpdateCompleted in class FileStateCache

Parameters:

fstate - FileState

getStateFromNearCache

protected final HazelCastClusterFileState getStateFromNearCache(java.lang.String path)

Try and get a file state from the near cache

Parameters:

path - String

Returns:

HazelCastClusterFileState