org.softamis.net.cache
Interface SimpleCache<K extends java.io.Serializable,V extends java.io.Serializable>

Type Parameters:

K - type of keys used to identify cache items

V - type of values stored in the cache

All Known Implementing Classes:

DefaultDistributedCache, DefaultDistributedCache, MapBasedCache

public interface SimpleCache<K extends java.io.Serializable,V extends java.io.Serializable>

Generic interface for simple distributed cache. Items placed into this cache will be distributed amount other instances of cache. NOTE this is specific case of using cache - items are not removed from cache individually.

Author:

Andrew Sazonov

Method Summary

void	clear() Clears cache content
java.util.Set<K>	getKeys() Returns set of keys for items stored in cache
V	getObject(K aKey) Returns object from cache for given key
java.util.Set<V>	getValues() Returns items stored in the cache
void	saveObject(K aKey, V aValue) Stores object in cache
int	size() Returns amount of items stored in cache
void	update(java.util.Map<K,V> aData) Updates content of cache by given values (old values will be removed)

Method Detail

saveObject

void saveObject(K aKey,
                V aValue)

Stores object in cache

Parameters:

aKey - key of object

aValue - item value

getObject

V getObject(K aKey)

Returns object from cache for given key

Parameters:

aKey - key of the object

Returns:

object stored in cache under given key, null if there is no item in the cache for given key

clear

void clear()

Clears cache content

update

void update(java.util.Map<K,V> aData)

Updates content of cache by given values (old values will be removed)

Parameters:

aData - new content of the cache

getValues

java.util.Set<V> getValues()

Returns items stored in the cache

Returns:

items stored int the cache

size

int size()

Returns amount of items stored in cache

Returns:

items count

getKeys

java.util.Set<K> getKeys()

Returns set of keys for items stored in cache

Returns:

set of keys