package org.apache.fulcrum.security.torque.peer.managers;
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
import org.apache.fulcrum.security.torque.TorqueAbstractGroupManager;
import org.apache.fulcrum.security.torque.peer.Peer;
import org.apache.fulcrum.security.torque.peer.PeerManagable;
import org.apache.fulcrum.security.torque.peer.PeerManager;
import org.apache.fulcrum.security.torque.peer.TorqueTurbinePeer;
import org.apache.fulcrum.security.util.DataBackendException;

/**
 * This implementation persists to a database via Torque.
 *
 * @author <a href="mailto:tv@apache.org">Thomas Vandahl</a>
 * @version $Id:$
 */
public abstract class PeerGroupManager extends TorqueAbstractGroupManager implements PeerManagable
{
    
    private Boolean customPeer = false;  //  used for torque which uses per object peer classes
    private String peerClassName;
    transient PeerManager peerManager;
    private static final String PEER_CLASS_NAME_KEY = "peerClassName";
    
    private String columnName = "GROUP_NAME";
    
    /**
     * Avalon Service lifecycle method
     */
    @Override
	public void configure(Configuration conf) throws ConfigurationException
    {
       super.configure( conf );
       
        peerClassName = conf.getChild( PEER_CLASS_NAME_KEY).getValue( null );
        if (peerClassName != null) {
            setPeerClassName( peerClassName );
            setCustomPeer(true);
        } 
    }
    
    @Override
   	public Peer getPeerInstance() throws DataBackendException {
           return getPeerManager().getPeerInstance(getPeerClassName(), TorqueTurbinePeer.class, getClassName());
    }
       
       /**
        * @return Returns the persistenceHelper.
        */
       @Override
   	public PeerManager getPeerManager()
       {
           if (peerManager == null)
           {
               peerManager = (PeerManager) resolve(PeerManager.ROLE);
           }
           return peerManager;
       }

   	public String getColumnName() {
   		return columnName;
   	}

   	public void setColumnName(String columnName) {
   		this.columnName = columnName;
   	}
    
    @Override
	public Boolean getCustomPeer()
    {
        return customPeer;
    }

    @Override
	public void setCustomPeer( Boolean customPeer )
    {
        this.customPeer = customPeer;
    }

    @Override
	public String getPeerClassName()
    {
        return peerClassName;
    }

    @Override
	public void setPeerClassName( String peerClassName )
    {
        this.peerClassName = peerClassName;
    }

}