/**
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.exoplatform.portal.pom.config;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public class TaskExecutionDecorator implements TaskExecutor
{
/** . */
private final TaskExecutor next;
public TaskExecutionDecorator(TaskExecutor next)
{
this.next = next;
}
public <V> V execute(POMSession session, POMTask<V> task) throws Exception
{
return next.execute(session, task);
}
public <E extends TaskExecutor> E getDecorator(Class<E> decoratorClass)
{
if (decoratorClass.isInstance(this))
{
return decoratorClass.cast(this);
}
else
{
if (next != null && next instanceof TaskExecutionDecorator)
{
return ((TaskExecutionDecorator)next).getDecorator(decoratorClass);
}
else
{
return null;
}
}
}
}