org.jboss.dashboard.database.cache.custom
Class TimerCache

java.lang.Object
  org.jboss.dashboard.database.cache.custom.TimerCache

All Implemented Interfaces:

Runnable, ObjectCache, StatisticsObjectCache

public class TimerCache
extends Object
implements StatisticsObjectCache, Runnable

Cache implementation that times out cached elements. Each item put in the cache is timed out after a specified number of milliseconds (unless removed before the timeout).

Constructor Summary

TimerCache(boolean monitorizeCaches, long timeout, int size)

Method Summary

Object	clear(Serializable key) Clears an object from the cache by key.
void	clearAll() Clears the entire cache.
Object	get(Serializable key) Gets an object from the cache by key, or returns null if that object is not cached.
CacheStatistics	getCacheStatistics() Get the cache statistics
String	getType() Gets the cache type name.
void	put(Serializable key, Object object) Caches an object.
void	run()
protected void	setDeadline(long time)
void	setTimeout(long newTimeout) Sets a new timeout value-- only do this before using the cache!
void	setType(String type) Sets the cache type name.
void	stop() Called to stop the timer thread.
protected void	trimQueue(SynchronizedLRUMap cache)

Methods inherited from class java.lang.Object

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

Constructor Detail

TimerCache

public TimerCache(boolean monitorizeCaches,
                  long timeout,
                  int size)

Method Detail

setTimeout

public void setTimeout(long newTimeout)

Sets a new timeout value-- only do this before using the cache!

stop

public void stop()

Called to stop the timer thread. This should only be called once and the cache should not be used afterwards.

getType

public String getType()

Gets the cache type name.

Specified by:

getType in interface ObjectCache

setType

public void setType(String type)

Sets the cache type name.

Specified by:

setType in interface ObjectCache

put

public void put(Serializable key,
                Object object)

Caches an object. If object is null, then any object cached at the given key is removed from the cache.

Specified by:

put in interface ObjectCache

get

public Object get(Serializable key)

Description copied from interface: ObjectCache

Gets an object from the cache by key, or returns null if that object is not cached.

Specified by:

get in interface ObjectCache

clear

public Object clear(Serializable key)

Description copied from interface: ObjectCache

Clears an object from the cache by key.

Specified by:

clear in interface ObjectCache

clearAll

public void clearAll()

Description copied from interface: ObjectCache

Clears the entire cache.

Specified by:

clearAll in interface ObjectCache

setDeadline

protected void setDeadline(long time)

run

public void run()

Specified by:

run in interface Runnable

trimQueue

protected void trimQueue(SynchronizedLRUMap cache)

getCacheStatistics

public CacheStatistics getCacheStatistics()

Description copied from interface: StatisticsObjectCache

Get the cache statistics

Specified by:

getCacheStatistics in interface StatisticsObjectCache

Returns:

the cache statistics