org.jboss.cache.interceptors
Class CacheLoaderInterceptor

java.lang.Object
  |
  +--org.jboss.cache.interceptors.Interceptor
        |
        +--org.jboss.cache.interceptors.CacheLoaderInterceptor

Direct Known Subclasses:

ActivationInterceptor

public class CacheLoaderInterceptor

extends Interceptor

Loads nodes that don't exist at the time of the call into memory from the CacheLoader

Version:

$Id: CacheLoaderInterceptor.java,v 1.10.12.1 2006/02/07 18:17:57 bstansberry Exp $

Author:

Bela Ban

Field Summary

protected CacheLoader

loader

Constructor Summary

CacheLoaderInterceptor()

Method Summary

protected DataNode	getNode(Fqn fqn, boolean load, boolean willAttrsBeLoaded)
java.lang.Object	invoke(org.jgroups.blocks.MethodCall m) Makes sure a node is loaded into memory before a call executes (no-op if node is already loaded).
protected void	loadAttributesFromCacheLoader(DataNode n)
protected void	lock(Fqn fqn, int lock_type, boolean recursive)
void	setCache(TreeCache cache)

Methods inherited from class org.jboss.cache.interceptors.Interceptor

getNext, setNext

Methods inherited from class java.lang.Object

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

Field Detail

loader

protected CacheLoader loader

Constructor Detail

CacheLoaderInterceptor

public CacheLoaderInterceptor()

Method Detail

setCache

public void setCache(TreeCache cache)

Overrides:

setCache in class Interceptor

invoke

public java.lang.Object invoke(org.jgroups.blocks.MethodCall m)
                        throws java.lang.Throwable

Makes sure a node is loaded into memory before a call executes (no-op if node is already loaded). If attributes of a node are to be accessed by the method, the attributes are also loaded.

Overrides:

invoke in class Interceptor

Parameters:

m -

Returns:

Throws:

java.lang.Throwable

lock

protected void lock(Fqn fqn,
                    int lock_type,
                    boolean recursive)
             throws java.lang.Throwable

java.lang.Throwable

getNode

protected DataNode getNode(Fqn fqn,
                           boolean load,
                           boolean willAttrsBeLoaded)

loadAttributesFromCacheLoader

protected void loadAttributesFromCacheLoader(DataNode n)