TorqueTurbineGroupManagerImpl.java

package org.apache.fulcrum.security.torque.turbine;
/*
 * 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 java.sql.Connection;
import java.util.List;
import java.util.Set;

import org.apache.fulcrum.security.entity.Group;
import org.apache.fulcrum.security.model.turbine.entity.TurbineGroup;
import org.apache.fulcrum.security.model.turbine.entity.TurbineUserGroupRole;
import org.apache.fulcrum.security.torque.om.TorqueTurbineGroupPeer;
import org.apache.fulcrum.security.torque.peer.TorqueTurbinePeer;
import org.apache.fulcrum.security.torque.peer.managers.PeerGroupManager;
import org.apache.fulcrum.security.torque.security.TorqueAbstractSecurityEntity;
import org.apache.fulcrum.security.util.DataBackendException;
import org.apache.torque.NoRowsException;
import org.apache.torque.TooManyRowsException;
import org.apache.torque.TorqueException;
import org.apache.torque.criteria.Criteria;
import org.apache.torque.util.Transaction;
/**
 * This implementation persists to a database via Torque.
 *
 * @author <a href="mailto:tv@apache.org">Thomas Vandahl</a>
 * @version $Id:$
 */
public class TorqueTurbineGroupManagerImpl extends PeerGroupManager
{
    

	/** Serial version */
	private static final long serialVersionUID = -5583297428186549693L;

	/**
     * @see org.apache.fulcrum.security.torque.TorqueAbstractGroupManager#doSelectAllGroups(java.sql.Connection)
     */
    @Override
	@SuppressWarnings("unchecked")
	protected <T extends Group> List<T> doSelectAllGroups(Connection con) throws TorqueException
    {
        Criteria criteria = new Criteria();
        
        if ( (getCustomPeer())) {
            try
            {
            	TorqueTurbinePeer<T> peerInstance = (TorqueTurbinePeer<T>)getPeerInstance();
                return peerInstance.doSelect( criteria, con );
            }
            catch ( DataBackendException e )
            {
                throw new TorqueException( e );
            }
        } else {
            return (List<T>) TorqueTurbineGroupPeer.doSelect(criteria, con);
        }


    }

    /**
     * @see org.apache.fulcrum.security.torque.TorqueAbstractGroupManager#doSelectById(java.lang.Integer, java.sql.Connection)
     */
    @Override
	@SuppressWarnings("unchecked")
	protected <T extends Group> T doSelectById(Integer id, Connection con) throws NoRowsException, TooManyRowsException, TorqueException
    {
        if ( (getCustomPeer())) {
            try
            {
            	TorqueTurbinePeer<T> peerInstance = (TorqueTurbinePeer<T>)getPeerInstance();
                return peerInstance.retrieveByPK( id, con );
            }
            catch ( DataBackendException e )
            {
                throw new TorqueException( e );
            }
        } else {
            return  (T)  TorqueTurbineGroupPeer.retrieveByPK(id, con);
        }

    }

    /**
     * @see org.apache.fulcrum.security.torque.TorqueAbstractGroupManager#doSelectByName(java.lang.String, java.sql.Connection)
     */
    @Override
	@SuppressWarnings("unchecked")
	protected <T extends Group> T doSelectByName(String name, Connection con) throws NoRowsException, TooManyRowsException, TorqueException
    {
        Criteria criteria = new Criteria();
        criteria.setIgnoreCase(true);
        criteria.setSingleRecord(true);
        List<T> groups = null;
        
        if ( (getCustomPeer())) {
            try
            {
            	TorqueTurbinePeer<T> peerInstance = (TorqueTurbinePeer<T>)getPeerInstance();
            	
                criteria.where(peerInstance.getTableMap().getColumn(getColumnName()), name);
                groups = peerInstance.doSelect( criteria, con );
            }
            catch ( DataBackendException e )
            {
                throw new TorqueException( e );
            }
        } else {
            criteria.where(TorqueTurbineGroupPeer.GROUP_NAME, name);
            groups = (List<T>) TorqueTurbineGroupPeer.doSelect(criteria, con);
        }

        if (groups.isEmpty())
        {
            throw new NoRowsException(name);
        }

        return groups.get(0);
    }

    
    public Set<TurbineUserGroupRole> getUserGroupRoleSet(Group group) throws DataBackendException {
        Connection con = null;

        if (getLazyLoading()) {
            try
            {
                con = Transaction.begin();
                // Add all dependent objects if they exist
                ((TorqueAbstractSecurityEntity)group).retrieveAttachedObjects(con, false);
    
                Transaction.commit(con);
                con = null;
            }
            catch (TorqueException e)
            {
                throw new DataBackendException("Error retrieving group information", e);
            }
            finally
            {
                if (con != null)
                {
                    Transaction.safeRollback(con);
                }
            }
        } 
        return ((TurbineGroup)group).getUserGroupRoleSet();

        
    }
  
}