org.jboss.virtual.plugins.cache
Class MapVFSCache

java.lang.Object
  org.jboss.virtual.plugins.cache.AbstractVFSCache
      org.jboss.virtual.plugins.cache.IterableVFSCache
          org.jboss.virtual.plugins.cache.MapVFSCache

All Implemented Interfaces:

CacheStatistics, VFSCache

Direct Known Subclasses:

SoftRefVFSCache, WeakRefVFSCache

public abstract class MapVFSCache
extends IterableVFSCache

Map vfs cache.

Author:

Ales Justin

Field Summary

Fields inherited from class org.jboss.virtual.plugins.cache.AbstractVFSCache

log

Constructor Summary

MapVFSCache()

Method Summary

protected void	check() Is cache valid.
protected abstract Map<String,VFSContext>	createMap() Create cache map.
void	flush() Flush the cache.
Iterable<VFSContext>	getCachedContexts() Get cached contexts.
protected VFSContext	getContext(String path) Get the cached context.
protected Iterable<String>	getKeys() Get cache keys.
protected void	putContext(String path, VFSContext context) Put vfs context and its path key into cache.
protected void	removeContext(String path, VFSContext context) Remove vfs context and its path key from cache.
int	size() Get cache size.
void	start() Start the cache.
void	stop() Stop the cache.

Methods inherited from class org.jboss.virtual.plugins.cache.IterableVFSCache

findContext

Methods inherited from class org.jboss.virtual.plugins.cache.AbstractVFSCache

findContext, lastInsert, putContext, readLock, readUnlock, removeContext, writeLock, writeUnlock

Methods inherited from class java.lang.Object

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

Constructor Detail

MapVFSCache

public MapVFSCache()

Method Detail

getCachedContexts

public Iterable<VFSContext> getCachedContexts()

Description copied from interface: CacheStatistics

Get cached contexts.

Returns:

the cached contexts

size

public int size()

Description copied from interface: CacheStatistics

Get cache size.

Returns:

the cache size

check

protected void check()

Description copied from class: AbstractVFSCache

Is cache valid.

Specified by:

check in class AbstractVFSCache

getKeys

protected Iterable<String> getKeys()

Description copied from class: IterableVFSCache

Get cache keys.

Specified by:

getKeys in class IterableVFSCache

Returns:

the cache keys

getContext

protected VFSContext getContext(String path)

Description copied from class: AbstractVFSCache

Get the cached context.

Specified by:

getContext in class AbstractVFSCache

Parameters:

path - the path to match

Returns:

cached context or null if not found

putContext

protected void putContext(String path,
                          VFSContext context)

Description copied from class: AbstractVFSCache

Put vfs context and its path key into cache.

Specified by:

putContext in class AbstractVFSCache

Parameters:

path - the context's path

context - the vfs context

removeContext

protected void removeContext(String path,
                             VFSContext context)

Description copied from class: AbstractVFSCache

Remove vfs context and its path key from cache.

Specified by:

removeContext in class AbstractVFSCache

Parameters:

path - the context's path

context - the vfs context

createMap

protected abstract Map<String,VFSContext> createMap()

Create cache map.

Returns:

cache map

start

public void start()
           throws Exception

Description copied from interface: VFSCache

Start the cache.

Throws:

Exception - for any error

stop

public void stop()

Description copied from interface: VFSCache

Stop the cache.

flush

public void flush()

Description copied from interface: VFSCache

Flush the cache.