/*
 * Copyright (C) 2005 Alfresco, Inc.
 *
 * Licensed under the Mozilla Public License version 1.1 
 * with a permitted attribution clause. You may obtain a
 * copy of the License at
 *
 *   http://www.alfresco.org/legal/license.txt
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the
 * License.
 */
/*
 * Created on 07-Jun-2005
 *
 * TODO Comment this class
 * 
 * 
 */
package org.alfresco.repo.search.results;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.alfresco.repo.search.AbstractResultSet;
import org.alfresco.repo.search.SimpleResultSetMetaData;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.cmr.repository.Path;
import org.alfresco.service.cmr.search.LimitBy;
import org.alfresco.service.cmr.search.PermissionEvaluationMode;
import org.alfresco.service.cmr.search.ResultSetMetaData;
import org.alfresco.service.cmr.search.ResultSetRow;
import org.alfresco.service.cmr.search.SearchParameters;

public class ChildAssocRefResultSet extends AbstractResultSet
{
    private List<ChildAssociationRef> cars;
    NodeService nodeService;
    
    public ChildAssocRefResultSet(NodeService nodeService, List<ChildAssociationRef> cars, Path[] propertyPaths)
    {
        super(propertyPaths);
        this.nodeService = nodeService;
        this.cars = cars;
    }
    
    public ChildAssocRefResultSet(NodeService nodeService, List<NodeRef> nodeRefs, Path[] propertyPaths, boolean resolveAllParents)
    {
        super(propertyPaths);
        this.nodeService = nodeService;
        List<ChildAssociationRef> cars = new ArrayList<ChildAssociationRef>(nodeRefs.size());
        for(NodeRef nodeRef : nodeRefs)
        {
            if(resolveAllParents)
            {
                cars.addAll(nodeService.getParentAssocs(nodeRef));
            }
            else
            {
                cars.add(nodeService.getPrimaryParent(nodeRef));
            }
        }
        this.cars = cars;
    }

    public int length()
    {
        return cars.size();
    }

    public NodeRef getNodeRef(int n)
    {
        return cars.get(n).getChildRef();
    }
    
    public ChildAssociationRef getChildAssocRef(int n)
    {
        return cars.get(n);
    }

    public ResultSetRow getRow(int i)
    {
        return new ChildAssocRefResultSetRow(this, i);
    }

    public Iterator<ResultSetRow> iterator()
    {
        return new ChildAssocRefResultSetRowIterator(this);
    }
    
    public NodeService getNodeService()
    {
        return nodeService;
    }

    public ResultSetMetaData getResultSetMetaData()
    {
        return new SimpleResultSetMetaData(LimitBy.UNLIMITED, PermissionEvaluationMode.EAGER, new SearchParameters());
    }
}