/*
* Copyright (C) 2010 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.mop.navigation;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public interface NodeModel<N> {
/**
* A model based on itself.
*/
NodeModel<NodeContext<?>> SELF_MODEL = new NodeModel<NodeContext<?>>() {
public NodeContext<NodeContext<?>> getContext(NodeContext<?> node) {
throw new UnsupportedOperationException();
}
public NodeContext<?> create(NodeContext<NodeContext<?>> context) {
return context;
}
};
/**
* Returns the context of a node.
*
* @param node the node
* @return the node context
*/
NodeContext<N> getContext(N node);
/**
* Create a node wrapping a context.
*
* @param context the node context
* @return the node instance
*/
N create(NodeContext<N> context);
}