org.apache.jcs.engine

Class ZombieCacheService

java.lang.Object

org.apache.jcs.engine.ZombieCacheService

All Implemented Interfaces:

ICacheService, IZombie

Direct Known Subclasses:

ZombieLateralCacheService, ZombieRemoteCacheService

public class ZombieCacheService
extends java.lang.Object
implements ICacheService, IZombie

Zombie adapter for any cache service. Balks at every call.

Constructor Summary

Constructors

Constructor and Description
ZombieCacheService()

Method Summary

Methods

Modifier and Type	Method and Description
void	dispose(java.lang.String cacheName) Frees the specified cache.
ICacheElement	get(java.lang.String cacheName, java.io.Serializable key) Returns a cache bean from the specified cache; or null if the key does not exist.
java.io.Serializable	get(java.lang.String cacheName, java.io.Serializable key, boolean container) Logs the get to debug, but always balks.
java.util.Map	getMatching(java.lang.String cacheName, java.lang.String pattern) Returns an empty map.
java.util.Map	getMultiple(java.lang.String cacheName, java.util.Set keys) Returns an empty map.
void	put(ICacheElement item)
void	release() Frees all caches.
void	remove(java.lang.String cacheName, java.io.Serializable key) Removes the given key from the specified cache.
void	removeAll(java.lang.String cacheName) Remove all keys from the sepcified cache.
void	update(ICacheElement item) Does nothing.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZombieCacheService

public ZombieCacheService()

Method Detail

put

public void put(ICacheElement item)

Parameters:

item -

update

public void update(ICacheElement item)

Does nothing.

Specified by:

update in interface ICacheService

Parameters:

item -

get

public ICacheElement get(java.lang.String cacheName,
                java.io.Serializable key)

Description copied from interface: ICacheService

Returns a cache bean from the specified cache; or null if the key does not exist.

Specified by:

get in interface ICacheService

Parameters:

cacheName -

key -

Returns:

null. zombies have no internal data

getMultiple

public java.util.Map getMultiple(java.lang.String cacheName,
                        java.util.Set keys)

Returns an empty map. Zombies have no internal data.

Specified by:

getMultiple in interface ICacheService

Parameters:

cacheName -

keys -

Returns:

Collections.EMPTY_MAP

getMatching

public java.util.Map getMatching(java.lang.String cacheName,
                        java.lang.String pattern)

Returns an empty map. Zombies have no internal data.

Specified by:

getMatching in interface ICacheService

Parameters:

cacheName -

pattern -

Returns:

Collections.EMPTY_MAP

get

public java.io.Serializable get(java.lang.String cacheName,
                       java.io.Serializable key,
                       boolean container)

Logs the get to debug, but always balks.

Parameters:

cacheName -

key -

container -

Returns:

null always

remove

public void remove(java.lang.String cacheName,
          java.io.Serializable key)

Description copied from interface: ICacheService

Removes the given key from the specified cache.

Specified by:

remove in interface ICacheService

Parameters:

cacheName -

key -

removeAll

public void removeAll(java.lang.String cacheName)

Description copied from interface: ICacheService

Remove all keys from the sepcified cache.

Specified by:

removeAll in interface ICacheService

Parameters:

cacheName -

dispose

public void dispose(java.lang.String cacheName)

Description copied from interface: ICacheService

Frees the specified cache.

Specified by:

dispose in interface ICacheService

Parameters:

cacheName -

release

public void release()

Frees all caches.

Specified by:

release in interface ICacheService