com.bigdata.cache

Class WeakCacheEntry<K,T>

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.WeakReference<T>

com.bigdata.cache.WeakCacheEntry<K,T>

All Implemented Interfaces:

IWeakRefCacheEntry<K,T>

public class WeakCacheEntry<K,T>
extends WeakReference<T>
implements IWeakRefCacheEntry<K,T>

Implementation based on WeakReference.

Version:

$Id$

Author:

thompsonbry

Constructor Summary

Constructors

Constructor and Description
WeakCacheEntry(K key, T obj, ReferenceQueue<T> queue)

Method Summary

Methods

Modifier and Type	Method and Description
K	getKey() Returns the key for the object stored in the cache entry.
T	getObject() The object in the cache.
String	toString()

Methods inherited from class java.lang.ref.Reference

clear, enqueue, get, isEnqueued

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakCacheEntry

public WeakCacheEntry(K key,
              T obj,
              ReferenceQueue<T> queue)

Method Detail

getKey

public K getKey()

Description copied from interface: IWeakRefCacheEntry

Returns the key for the object stored in the cache entry. This is generally an object identifier (OID).

Specified by:

getKey in interface IWeakRefCacheEntry<K,T>

getObject

public T getObject()

Description copied from interface: IWeakRefCacheEntry

The object in the cache. If the entry belongs to a weak reference cache, then this method returns the weak referent or null iff the weak reference has been cleared.

Specified by:

getObject in interface IWeakRefCacheEntry<K,T>

toString

public String toString()

Overrides:

toString in class Object