/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.aop.domain;
import java.lang.ref.WeakReference;
import java.util.concurrent.ConcurrentHashMap;
import org.jboss.aop.AspectManager;
import org.jboss.aop.Domain;
import org.jboss.aop.InterceptionMarkers;
import org.jboss.aop.advice.AspectDefinition;
/**
* A domain that is used for scoped classloaders
*
* @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
* @author adrian@jboss.org
* @version $Revision: 1.1 $
*/
public abstract class ScopedClassLoaderDomain extends Domain
{
private WeakReference<ClassLoader> loader;
protected boolean parentDelegation;
protected ConcurrentHashMap<String, Object> myPerVMAspects = new ConcurrentHashMap<String, Object>();
protected ConcurrentHashMap<String, Boolean> notMyPerVMAspects = new ConcurrentHashMap<String, Boolean>();
protected InterceptionMarkers interceptionMarkers = new InterceptionMarkers();
protected String classLoaderString;
public ScopedClassLoaderDomain(ClassLoader loader, String name, boolean parentDelegation, AspectManager manager, boolean parentFirst)
{
super(manager, name, parentFirst);
if (loader == null)
throw new IllegalArgumentException("Null classloader");
this.loader = new WeakReference<ClassLoader>(loader);
this.parentDelegation = parentDelegation;
classLoaderString = loader.toString();
super.inheritsBindings = true;
super.inheritsDeclarations = true;
}
protected ClassLoader getClassLoader()
{
ClassLoader cl = loader.get();
if (cl != null)
{
return cl;
}
return null;
}
// FIXME: JBAOP-107 REMOVE THIS HACK
@Override
public abstract boolean isValid();
@Override
public void removeAspectDefinition(String name)
{
AspectDefinition def = super.internalRemoveAspectDefintion(name);
if (def != null)
{
myPerVMAspects.remove(name);
}
}
@Override
public Object getPerVMAspect(AspectDefinition def)
{
return getPerVMAspect(def.getName());
}
@Override
public InterceptionMarkers getInterceptionMarkers()
{
return interceptionMarkers;
}
@Override
public Object getPerVMAspect(String def)
{
if (parentDelegation == true)
{
//We will alway be loading up the correct class
Object aspect = super.getPerVMAspect(def);
return aspect;
}
else
{
return getPerVmAspectWithNoParentDelegation(def);
}
}
protected Object getSuperPerVmAspect(String def)
{
return super.getPerVMAspect(def);
}
protected abstract Object getPerVmAspectWithNoParentDelegation(String def);
}