alfresco-community-repo/source/java/org/alfresco/jcr/query/NodeRefRowIteratorImpl.java
Paul Holmes-Higgin 4e2300f095 Updated copyright
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5186 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2007-02-19 17:17:36 +00:00

113 lines
3.5 KiB
Java

/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing"
*/
package org.alfresco.jcr.query;
import java.io.Serializable;
import java.util.List;
import java.util.Map;
import javax.jcr.nodetype.PropertyDefinition;
import javax.jcr.query.Query;
import javax.jcr.query.Row;
import javax.jcr.query.RowIterator;
import org.alfresco.jcr.session.SessionImpl;
import org.alfresco.jcr.util.AbstractRangeIterator;
import org.alfresco.jcr.util.JCRProxyFactory;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.namespace.QName;
/**
* Row Iterator based on a list of Node References
*
* @author David Caruana
*/
public class NodeRefRowIteratorImpl extends AbstractRangeIterator implements RowIterator
{
private SessionImpl session;
private Map<QName, PropertyDefinition> columns;
private List<NodeRef> nodeRefs;
private RowIterator proxy = null;
/**
* Construct
*
* @param session
* @param columnNames
* @param nodeRefs
*/
public NodeRefRowIteratorImpl(SessionImpl session, Map<QName, PropertyDefinition> columns, List<NodeRef> nodeRefs)
{
this.session = session;
this.columns = columns;
this.nodeRefs = nodeRefs;
}
/**
* Get proxied JCR Query
*
* @return proxy
*/
public RowIterator getProxy()
{
if (proxy == null)
{
proxy = (RowIterator)JCRProxyFactory.create(this, RowIterator.class, session);
}
return proxy;
}
/* (non-Javadoc)
* @see javax.jcr.query.RowIterator#nextRow()
*/
public Row nextRow()
{
long position = skip();
NodeRef nodeRef = nodeRefs.get((int)position);
NodeService nodeService = session.getRepositoryImpl().getServiceRegistry().getNodeService();
Map<QName, Serializable> properties = nodeService.getProperties(nodeRef);
return new PropertyMapRowImpl(session, columns, nodeRef, properties);
}
/* (non-Javadoc)
* @see javax.jcr.RangeIterator#getSize()
*/
public long getSize()
{
return nodeRefs.size();
}
/* (non-Javadoc)
* @see java.util.Iterator#next()
*/
public Object next()
{
return nextRow();
}
}