org.alfresco.jlan.server.filesys.cache

Class StandaloneFileStateCache

java.lang.Object

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

org.alfresco.jlan.server.filesys.cache.StandaloneFileStateCache

public class StandaloneFileStateCache
extends FileStateCache

File State Cache Class

Contains a cache of file/directory information for recently accessed files/directories to reduce the calls made by the core server code to the database.

Field Summary

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

DefaultExpireCheckInterval, DefaultFileStateExpireInterval, MinimumExpireCheckInterval, MinimumFileStateExpireInterval

Constructor Summary

Constructors

Constructor and Description
StandaloneFileStateCache() Class constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	dumpCache(boolean dumpAttribs) Dump the state cache entries to the specified stream
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
void	initializeCache(org.springframework.extensions.config.ConfigElement config, ServerConfiguration srvConfig) Initialize the file state cache
int	numberOfStates() Return the number of states in the cache
void	removeAllFileStates() Remove all file states from the cache
int	removeExpiredFileStates() Remove expired file states from the cache
FileState	removeFileState(java.lang.String path) Remove the file state for the specified path
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) Request an oplock break

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

addLock, addOpLock, addStateCacheListener, addStateListener, changeOpLockType, clearOpLock, createFileLockObject, getCheckInterval, getFileStateExpireInterval, getFileStateProxy, getOpLock, getStateCacheListener, getStateListener, grantFileAccess, hasActiveLocks, hasDebug, hasDebugExpiredStates, hasDumpOnShutdown, hasStateCacheListener, hasStateListener, isCaseSensitive, isClusteredCache, releaseFileAccess, removeLock, removeStateCacheListener, removeStateListener, requestOplockBreak, setCaseSensitive, setCheckInterval, setDataUpdateCompleted, setDataUpdateInProgress, setDebug, setDebugExpiredStates, setDriverDetails, setDumpOnShutdown, setFileStateExpireInterval, stateCacheShuttingDown, stateCacheStarted

Methods inherited from class java.lang.Object

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

Constructor Detail

StandaloneFileStateCache

public StandaloneFileStateCache()

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 final int numberOfStates()

Return the number of states in the cache

Specified by:

numberOfStates in class FileStateCache

Returns:

int

findFileState

public final 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 final 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 final 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 final 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 final 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 final void removeAllFileStates()

Remove all file states from the cache

Specified by:

removeAllFileStates in class FileStateCache

removeExpiredFileStates

public final int removeExpiredFileStates()

Remove expired file states from the cache

Specified by:

removeExpiredFileStates in class FileStateCache

Returns:

int

dumpCache

public final void dumpCache(boolean dumpAttribs)

Dump the state cache entries to the specified stream

Specified by:

dumpCache in class FileStateCache

Parameters:

dumpAttribs - boolean

requestOplockBreak

public void requestOplockBreak(java.lang.String path,
                      OpLockDetails oplock)
                        throws java.io.IOException

Request an oplock break

Parameters:

clNode - ClusterNode

clState - ClusterFileState

Throws:

java.io.IOException