/*
* Copyright (C) 2011 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.tree.diff;
import java.util.Iterator;
/**
* An adapter for a list of elements.
*
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
*/
public interface ListAdapter<L, E> {
/**
* Returns the number of list elements.
*
* @param list the list
* @return the list size
*/
int size(L list);
/**
* Returns an iterator over the list elements.
*
*
* @param list the list
* @param reverse the iteration direction
* @return the iterator
*/
Iterator<E> iterator(L list, boolean reverse);
}