dk.heick.caching.persistences.file

Class DefaultFileLRUCachingMap<K,V>

java.lang.Object

dk.heick.caching.DefaultLRUCachingMap<K,V>

dk.heick.caching.persistences.file.DefaultFileLRUCachingMap<K,V>

Type Parameters:

K - the key type.

V - the value type.

All Implemented Interfaces:

LRUCachingMap<K,V>, Serializable

public class DefaultFileLRUCachingMap<K,V>
extends DefaultLRUCachingMap<K,V>

The default LRUCachingMap for file handling.
The "AbstractValueWrapper" is always cast to a "DefaultFileValueWrapper".

Since:

1.0

Author:

Frederik Heick

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DefaultFileLRUCachingMap(LRUCachingMapConfiguration configuration, AbstractFileValueManager<K,V> fileValueManager) Constructor

Method Summary

Modifier and Type	Method and Description
DefaultFileValueWrapper<K,V>	cast(AbstractValueWrapper<K,V> valueWrapper) A convience method that cast the "AbstractValueWrapper" to a "DefaultFileValueWrapper"
File	getFile(K key) Gets the file where the value is stored in.

Methods inherited from class dk.heick.caching.DefaultLRUCachingMap

cleanup, exists, extend, extend, extend, get, getConfiguration, getExpirationDateTime, getExpirationTimeSpan, getExpirationTimeSpan, getKeys, getLastCleanupDateTime, getLogger, getNextToExpire, getStoreDateTime, getValueManager, getValueWrapper, isExpired, isPersisted, peek, put, reload, remove, removeAll, restoreCacheElement, size

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultFileLRUCachingMap

public DefaultFileLRUCachingMap(LRUCachingMapConfiguration configuration,
                                AbstractFileValueManager<K,V> fileValueManager)
                         throws NullPointerException

Constructor

Parameters:

configuration - configuration the confiuration.

fileValueManager - valueManager the instance of a ValueManager which handles how the values is stored.

Throws:

NullPointerException - if any parameter is null.

Method Detail

cast

public final DefaultFileValueWrapper<K,V> cast(AbstractValueWrapper<K,V> valueWrapper)

A convience method that cast the "AbstractValueWrapper" to a "DefaultFileValueWrapper"

Parameters:

valueWrapper - AbstractValueWrapper

Returns:

a casted version of "AbstractValueWrapper" to "DefaultFileValueWrapper".

getFile

public final File getFile(K key)

Gets the file where the value is stored in.

Parameters:

key - the key

Returns:

the file where the value for key is stored.