com.bigdata.btree

Interface IEvictionListener

All Superinterfaces:

HardReferenceQueueEvictionListener<PO>

All Known Implementing Classes:

DefaultEvictionListener, DefaultEvictionListener, MyEvictionListener, NoEvictionListener, NOPEvictionListener

public interface IEvictionListener
extends HardReferenceQueueEvictionListener<PO>

Interface to handle evictions of nodes or leaves from the hard reference queue. The listener is responsible for decrementing the AbstractNode.referenceCount and must write a dirty node or leaf onto the store when their reference counter reaches zero(0).

Version:

$Id$

Author:

Bryan Thompson

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.

Method Detail

evicted

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 HardReferenceQueueEvictionListener<PO>

Parameters:

cache - The cache on which the listener is registered.

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