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https://github.com/Alfresco/alfresco-community-repo.git
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31c250682b
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5081 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
106 lines
3.1 KiB
Java
106 lines
3.1 KiB
Java
/*
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* Copyright (C) 2005 Alfresco, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program 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 General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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package org.alfresco.jcr.query;
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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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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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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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* 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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* 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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* 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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/* (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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/* (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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/* (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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