org.jboss.virtual.plugins.cache
Class AbstractVFSCache

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

All Implemented Interfaces:

CacheStatistics, VFSCache

Direct Known Subclasses:

IterableVFSCache, PathMatchingVFSCache

public abstract class AbstractVFSCache
extends Object
implements VFSCache, CacheStatistics

Abstract vfs cache.

Author:

Ales Justin

Field Summary

protected org.jboss.logging.Logger

log

Constructor Summary

AbstractVFSCache()

Method Summary

protected abstract void	check() Is cache valid.
VFSContext	findContext(URL url) Find the context based on url.
protected abstract VFSContext	getContext(String path) Get the cached context.
long	lastInsert() Get last insert timestamp.
protected abstract void	putContext(String path, VFSContext context) Put vfs context and its path key into cache.
void	putContext(VFSContext context) Put vfs context to cache.
protected void	readLock() Read lock.
protected void	readUnlock() Read unlock.
protected abstract void	removeContext(String path, VFSContext context) Remove vfs context and its path key from cache.
void	removeContext(VFSContext context) Remove vfs context from cache.
protected void	writeLock() Write lock.
protected void	writeUnlock() Write unlock.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jboss.virtual.spi.cache.VFSCache

findContext, flush, start, stop

Methods inherited from interface org.jboss.virtual.spi.cache.CacheStatistics

getCachedContexts, size

Field Detail

log

protected org.jboss.logging.Logger log

Constructor Detail

AbstractVFSCache

public AbstractVFSCache()

Method Detail

lastInsert

public long lastInsert()

Description copied from interface: CacheStatistics

Get last insert timestamp.

Specified by:

lastInsert in interface CacheStatistics

Returns:

the last insert timestamp

check

protected abstract void check()

Is cache valid.

findContext

public VFSContext findContext(URL url)

Description copied from interface: VFSCache

Find the context based on url.

Specified by:

findContext in interface VFSCache

Parameters:

url - the url

Returns:

found context or null

getContext

protected abstract VFSContext getContext(String path)

Get the cached context.

Parameters:

path - the path to match

Returns:

cached context or null if not found

putContext

public void putContext(VFSContext context)

Description copied from interface: VFSCache

Put vfs context to cache.

Specified by:

putContext in interface VFSCache

Parameters:

context - the vfs context

putContext

protected abstract void putContext(String path,
                                   VFSContext context)

Put vfs context and its path key into cache.

Parameters:

path - the context's path

context - the vfs context

removeContext

public void removeContext(VFSContext context)

Description copied from interface: VFSCache

Remove vfs context from cache.

Specified by:

removeContext in interface VFSCache

Parameters:

context - the vfs context

removeContext

protected abstract void removeContext(String path,
                                      VFSContext context)

Remove vfs context and its path key from cache.

Parameters:

path - the context's path

context - the vfs context

readLock

protected void readLock()

Read lock.

readUnlock

protected void readUnlock()

Read unlock.

writeLock

protected void writeLock()

Write lock.

writeUnlock

protected void writeUnlock()

Write unlock.