/*
* 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.services.jcr.datamodel;
import org.exoplatform.services.jcr.dataflow.ItemDataVisitor;
import javax.jcr.RepositoryException;
/**
* Created by The eXo Platform SAS<br>
*
* The Item data object interface
*
* @author <a href="mailto:gennady.azarenkov@exoplatform.com">Gennady Azarenkov</a>
* @version $Id: ItemData.java 11907 2008-03-13 15:36:21Z ksm $
* @LevelAPI Unsupported
*/
public interface ItemData
{
/**
* @return QPath of this item
*/
QPath getQPath();
/**
* @return identifier
*/
String getIdentifier();
/**
* @return number of item version retrieved from container. If item is not persisted returns -1;
*/
int getPersistedVersion();
/**
* @return parent NodeData. Parent is initialized on demand. It is possible that the method return
* null for root node only (but not neccessary)
* @throws IllegalStateException
* if parent can not be initialized (for example was deleted by other session)
*/
String getParentIdentifier();
/**
* @return if item data is node data
*/
boolean isNode();
/**
* Accept visitor
*
* @param visitor
* @throws RepositoryException
*/
void accept(ItemDataVisitor visitor) throws RepositoryException;
}