com.bigdata.btree

Class NOPEvictionListener

java.lang.Object

com.bigdata.btree.NOPEvictionListener

All Implemented Interfaces:

IEvictionListener, HardReferenceQueueEvictionListener<PO>

public class NOPEvictionListener
extends Object
implements IEvictionListener

A listener that does nothing.

Version:

$Id$

Author:

Bryan Thompson

Field Summary

Fields

Modifier and Type	Field and Description
static IEvictionListener	INSTANCE

Method Summary

Methods

Modifier and Type	Method and Description
void	evicted(IHardReferenceQueue<PO> cache, PO ref) Notice that a reference is being evicted from the cache.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final IEvictionListener INSTANCE

Method Detail

evicted

public void evicted(IHardReferenceQueue<PO> cache,
           PO ref)

Description copied from interface: HardReferenceQueueEvictionListener

Notice that a reference is being evicted from the cache. This notice does NOT imply that the cache no longer holds a reference to this object, neither does it imply that the object is dirty.

Specified by:

evicted in interface IEvictionListener

Specified by:

evicted in interface HardReferenceQueueEvictionListener<PO>

Parameters:

cache - The cache on which the listener is registered.

ref - The reference that is being evicted from the cache.