org.apache.ojb.broker.cache

Class ObjectCachePerClassImpl

java.lang.Object

org.apache.ojb.broker.cache.AbstractMetaCache

org.apache.ojb.broker.cache.ObjectCachePerClassImpl

All Implemented Interfaces:

ObjectCache

public class ObjectCachePerClassImpl
extends AbstractMetaCache

Global ObjectCache implementation.

Version:

$Id: ObjectCachePerClassImpl.java 365232 2005-12-21 22:36:07Z tomdz $

Author:

matthew.baird

Field Summary

Fields inherited from class org.apache.ojb.broker.cache.AbstractMetaCache

METHOD_CACHE, METHOD_LOOKUP, METHOD_REMOVE

Constructor Summary

Constructors

Constructor and Description
ObjectCachePerClassImpl(PersistenceBroker broker, java.util.Properties prop) Constructor for the ObjectCachePerClassImpl object

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Clears the cache
ObjectCache	getCache(Identity oid, java.lang.Object obj, int methodCall) This method handle all calls against the ObjectCache interface.
void	setClassCache(java.lang.Class objectClass, ObjectCache cache) Sets the ObjectCache implementation to use for objects with the given type and subclasses

Methods inherited from class org.apache.ojb.broker.cache.AbstractMetaCache

cache, cacheIfNew, lookup, remove

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectCachePerClassImpl

public ObjectCachePerClassImpl(PersistenceBroker broker,
                       java.util.Properties prop)

Constructor for the ObjectCachePerClassImpl object

Method Detail

getCache

public ObjectCache getCache(Identity oid,
                   java.lang.Object obj,
                   int methodCall)

Description copied from class: AbstractMetaCache

This method handle all calls against the ObjectCache interface. Note: The parameter obj can be null - e.g. when lookup or remove method was called.

Specified by:

getCache in class AbstractMetaCache

Parameters:

oid - Identity of the target object.

obj - The target object itself or null if not available.

methodCall - Specifies the type of method call against the ObjectCache interface. AbstractMetaCache.METHOD_CACHE, AbstractMetaCache.METHOD_LOOKUP, AbstractMetaCache.METHOD_REMOVE.

Returns:

The ObjectCache implementation.

clear

public void clear()

Clears the cache

setClassCache

public void setClassCache(java.lang.Class objectClass,
                 ObjectCache cache)

Sets the ObjectCache implementation to use for objects with the given type and subclasses

Parameters:

objectClass - The object's class, use java.lang.Object to alter default caching for all objects which have no special caching defined

cache - The new ObjectCache implementation to use for this class and subclasses, null to switch off caching for the given class