com.nostra13.universalimageloader.cache.memory
Class BaseMemoryCache<K,V>

java.lang.Object
  com.nostra13.universalimageloader.cache.memory.BaseMemoryCache<K,V>

All Implemented Interfaces:

MemoryCacheAware<K,V>

Direct Known Subclasses:

LimitedMemoryCache, WeakMemoryCache

public abstract class BaseMemoryCache<K,V>
extends Object
implements MemoryCacheAware<K,V>

Base memory cache. Implements common functionality for memory cache. Provides object references ( not strong) storing.

Since:

1.0.0

Author:

Sergey Tarasevich (nostra13[at]gmail[dot]com)

Constructor Summary

BaseMemoryCache()

Method Summary

void	clear() Remove all items from cache
protected abstract Reference<V>	createReference(V value) Creates not strong reference of value
V	get(K key) Returns value by key.
Collection<K>	keys() Returns all keys of cache
boolean	put(K key, V value) Puts value into cache by key
void	remove(K key) Removes item by key

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseMemoryCache

public BaseMemoryCache()

Method Detail

get

public V get(K key)

Description copied from interface: MemoryCacheAware

Returns value by key. If there is no value for key then null will be returned.

Specified by:

get in interface MemoryCacheAware<K,V>

put

public boolean put(K key,
                   V value)

Description copied from interface: MemoryCacheAware

Puts value into cache by key

Specified by:

put in interface MemoryCacheAware<K,V>

Returns:

true - if value was put into cache successfully, false - if value was not put into cache

remove

public void remove(K key)

Description copied from interface: MemoryCacheAware

Removes item by key

Specified by:

remove in interface MemoryCacheAware<K,V>

keys

public Collection<K> keys()

Description copied from interface: MemoryCacheAware

Returns all keys of cache

Specified by:

keys in interface MemoryCacheAware<K,V>

clear

public void clear()

Description copied from interface: MemoryCacheAware

Remove all items from cache

Specified by:

clear in interface MemoryCacheAware<K,V>

createReference

protected abstract Reference<V> createReference(V value)

Creates not strong reference of value