org.shiftone.cache.decorator.tandem
Class TandemCache

java.lang.Object
  org.shiftone.cache.decorator.tandem.TandemCache

All Implemented Interfaces:

Cache

Direct Known Subclasses:

TandemAllGetsCache

public class TandemCache

extends java.lang.Object

implements Cache

This cache will stop asking cache's for values once one of them returns a non null response.

Version:

$Revision: 1.4 $

Author:

$Author: jeffdrost $

Field Summary

protected Cache[]

caches

Constructor Summary

TandemCache(Cache[] caches)

Method Summary

void	addObject(java.lang.Object key, java.lang.Object cacheObject) adds an object to the cache
void	clear() Removes ALL keys and values from the cache.
java.lang.Object	getObject(java.lang.Object key) gets the value stored in the cache by it's key, or null if the key is not found.
void	remove(java.lang.Object key) remove a specific key/value pair from the cache
int	size() The number of key/value pares in the cache

Methods inherited from class java.lang.Object

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

Field Detail

caches

protected final Cache[] caches

Constructor Detail

TandemCache

public TandemCache(Cache[] caches)

Method Detail

addObject

public void addObject(java.lang.Object key,
                      java.lang.Object cacheObject)

Description copied from interface: Cache

adds an object to the cache

Specified by:

addObject in interface Cache

getObject

public java.lang.Object getObject(java.lang.Object key)

Description copied from interface: Cache

gets the value stored in the cache by it's key, or null if the key is not found.

Specified by:

getObject in interface Cache

size

public int size()

Description copied from interface: Cache

The number of key/value pares in the cache

Specified by:

size in interface Cache

remove

public void remove(java.lang.Object key)

Description copied from interface: Cache

remove a specific key/value pair from the cache

Specified by:

remove in interface Cache

clear

public void clear()

Description copied from interface: Cache

Removes ALL keys and values from the cache. Use with digression. Using this method too frequently may defeat the purpose of caching.

Specified by:

clear in interface Cache