org.apache.jcs.engine
Class ZombieCacheService<K extends Serializable,V extends Serializable>

java.lang.Object
  org.apache.jcs.engine.ZombieCacheService<K,V>

All Implemented Interfaces:

ICacheService<K,V>, IZombie

Direct Known Subclasses:

ZombieCacheServiceNonLocal

public class ZombieCacheService<K extends Serializable,V extends Serializable>
extends Object
implements ICacheService<K,V>, IZombie

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

ZombieCacheService

public ZombieCacheService()

put

public void put(ICacheElement<K,V> item)

Parameters:

item -

update

public void update(ICacheElement<K,V> item)

Does nothing.

Specified by:

update in interface ICacheService<K extends Serializable,V extends Serializable>

Parameters:

item -

get

public ICacheElement<K,V> get(String cacheName,
                              K 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<K extends Serializable,V extends Serializable>

Parameters:

cacheName -

key -

Returns:

null. zombies have no internal data

getMultiple

public Map<K,ICacheElement<K,V>> getMultiple(String cacheName,
                                             Set<K> keys)

Returns an empty map. Zombies have no internal data.

Specified by:

getMultiple in interface ICacheService<K extends Serializable,V extends Serializable>

Parameters:

cacheName -

keys -

Returns:

Collections.EMPTY_MAP

getMatching

public Map<K,ICacheElement<K,V>> getMatching(String cacheName,
                                             String pattern)

Returns an empty map. Zombies have no internal data.

Specified by:

getMatching in interface ICacheService<K extends Serializable,V extends Serializable>

Parameters:

cacheName -

pattern -

Returns:

Collections.EMPTY_MAP

get

public Serializable get(String cacheName,
                        K key,
                        boolean container)

Logs the get to debug, but always balks.

Parameters:

cacheName -

key -

container -

Returns:

null always

remove

public void remove(String cacheName,
                   K key)

Description copied from interface: ICacheService

Removes the given key from the specified cache.

Specified by:

remove in interface ICacheService<K extends Serializable,V extends Serializable>

Parameters:

cacheName -

key -

removeAll

public void removeAll(String cacheName)

Description copied from interface: ICacheService

Remove all keys from the specified cache.

Specified by:

removeAll in interface ICacheService<K extends Serializable,V extends Serializable>

Parameters:

cacheName -

dispose

public void dispose(String cacheName)

Description copied from interface: ICacheService

Frees the specified cache.

Specified by:

dispose in interface ICacheService<K extends Serializable,V extends Serializable>

Parameters:

cacheName -

release

public void release()

Frees all caches.

Specified by:

release in interface ICacheService<K extends Serializable,V extends Serializable>