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	git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@18931 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
		
			
				
	
	
		
			107 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2005-2010 Alfresco Software Limited.
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|  *
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|  * This file is part of Alfresco
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|  *
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|  * Alfresco is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Lesser General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * Alfresco is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public License
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|  * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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|  */
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| package org.alfresco.jcr.query;
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| 
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| import java.io.Serializable;
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| import java.util.List;
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| import java.util.Map;
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| 
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| import javax.jcr.nodetype.PropertyDefinition;
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| import javax.jcr.query.Query;
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| import javax.jcr.query.Row;
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| import javax.jcr.query.RowIterator;
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| 
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| import org.alfresco.jcr.session.SessionImpl;
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| import org.alfresco.jcr.util.AbstractRangeIterator;
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| import org.alfresco.jcr.util.JCRProxyFactory;
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| import org.alfresco.service.cmr.repository.NodeRef;
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| import org.alfresco.service.cmr.repository.NodeService;
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| import org.alfresco.service.namespace.QName;
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| 
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| 
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| /**
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|  * Row Iterator based on a list of Node References
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|  * 
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|  * @author David Caruana
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|  */
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| public class NodeRefRowIteratorImpl extends AbstractRangeIterator implements RowIterator
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| {
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|     private SessionImpl session;
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|     private Map<QName, PropertyDefinition> columns;
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|     private List<NodeRef> nodeRefs;
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|     private RowIterator proxy = null;
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|     
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|     /**
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|      * Construct
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|      * 
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|      * @param session
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|      * @param columnNames
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|      * @param nodeRefs
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|      */
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|     public NodeRefRowIteratorImpl(SessionImpl session, Map<QName, PropertyDefinition> columns, List<NodeRef> nodeRefs)
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|     {
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|         this.session = session;
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|         this.columns = columns;
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|         this.nodeRefs = nodeRefs;
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|     }
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| 
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|     /**
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|      * Get proxied JCR Query
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|      * 
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|      * @return  proxy
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|      */
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|     public RowIterator getProxy()
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|     {
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|         if (proxy == null)
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|         {
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|             proxy = (RowIterator)JCRProxyFactory.create(this, RowIterator.class, session);
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|         }
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|         return proxy;
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|     }
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|     
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|     /* (non-Javadoc)
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|      * @see javax.jcr.query.RowIterator#nextRow()
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|      */
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|     public Row nextRow()
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|     {
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|         long position = skip();
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|         NodeRef nodeRef = nodeRefs.get((int)position);
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|         NodeService nodeService = session.getRepositoryImpl().getServiceRegistry().getNodeService();        
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|         Map<QName, Serializable> properties = nodeService.getProperties(nodeRef);
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|         return new PropertyMapRowImpl(session, columns, nodeRef, properties);
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|     }
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| 
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|     /* (non-Javadoc)
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|      * @see javax.jcr.RangeIterator#getSize()
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|      */
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|     public long getSize()
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|     {
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|         return nodeRefs.size();
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|     }
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| 
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|     /* (non-Javadoc)
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|      * @see java.util.Iterator#next()
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|      */
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|     public Object next()
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|     {
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|         return nextRow();
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|     }
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|     
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| }
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