/*  PAT: Persistent Applications Toolkit (patsystem.sf.net)
 *  Copyright (C) 2004, 2005  Tomasz Nazar, nthx at irc dot pl
 *  This library 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 of the License, or (at your option) any later version.
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  Lesser General Public License for more details.
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *  Full version of the license is /docs/LICENSE.txt
package org.nthx.pat;

import org.nthx.util.jbossaop.DefaultInterceptorImpl;
import org.jboss.aop.joinpoint.Invocation;
import org.jboss.aop.joinpoint.ConstructorInvocation;
import org.apache.log4j.Logger;

/** Aspect takes care of creating commands when any business object is being
 *  created. But it works only on "top-level" execution of constructors.
 *  It means: when there is a nested constructor invoked within some other BO
 *  constructor, then it is not applied.
 *  @see BOStorageCommand
 *  @version $Id: TopBusinessObjectCreationInterceptor.java 3725 2005-06-09 23:57:03Z nthx $
 *  @author nthx@users.sourceforge.net
public class TopBusinessObjectCreationInterceptor
       extends DefaultInterceptorImpl

    public Object invoke(Invocation invocation) throws Throwable
        if (Pat.getInstance().isInNoCommandsMode())
            return invocation.invokeNext();
        if (Pat.getInstance().beforeRootConstructor()) 
            return invocation.invokeNext();
        ConstructorInvocation ci = (ConstructorInvocation) invocation;
        BOStorageCommand boCommand =
            new BOStorageCommand(ci.getConstructor(),
        return Pat.getInstance().executeCommand(boCommand);

    //--- internal Fields -------
    private transient static Logger log = Logger.getLogger("pat");