ro.isdc.wro.cache.impl
Class MemoryCacheStrategy<K,V>

java.lang.Object
  ro.isdc.wro.cache.impl.MemoryCacheStrategy<K,V>

All Implemented Interfaces:

CacheStrategy<K,V>

Direct Known Subclasses:

LruMemoryCacheStrategy

public class MemoryCacheStrategy<K,V>
extends Object
implements CacheStrategy<K,V>

Default CacheStrategy implementation using a Map to store values in memory.

Memory caches are thread-safe in all operations.

Author:

Alex Objelean

Constructor Summary

MemoryCacheStrategy()
Default constructor.

MemoryCacheStrategy(Map<K,V> cacheHolder)
Constructs a new MemoryCacheStrategy and sets the Map that will be used as memory cache.

Method Summary

void	clear() Clear all cache contents.
void	destroy() Perform the clean up.
V	get(K key) Restore a value from the cache.
void	put(K key, V value) Put a value in the cache using a key.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryCacheStrategy

public MemoryCacheStrategy()

Default constructor. Uses a HashMap as memory cache.

MemoryCacheStrategy

public MemoryCacheStrategy(Map<K,V> cacheHolder)

Constructs a new MemoryCacheStrategy and sets the Map that will be used as memory cache.

Parameters:

cacheHolder - Map to use as memory cache. It cannot be null.

Method Detail

get

public V get(K key)

Restore a value from the cache.

Specified by:

get in interface CacheStrategy<K,V>

Parameters:

key - Object

Returns:

value Object.

put

public void put(K key,
                V value)

Put a value in the cache using a key.

Specified by:

put in interface CacheStrategy<K,V>

Parameters:

key - Object.

value - Object.

clear

public void clear()

Clear all cache contents.

Specified by:

clear in interface CacheStrategy<K,V>

destroy

public void destroy()

Perform the clean up.

Specified by:

destroy in interface CacheStrategy<K,V>