001    package org.apache.ojb.broker.accesslayer;
002    
003    /* Copyright 2003-2005 The Apache Software Foundation
004     *
005     * Licensed under the Apache License, Version 2.0 (the "License");
006     * you may not use this file except in compliance with the License.
007     * You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    import org.apache.ojb.broker.PersistenceBroker;
019    import org.apache.ojb.broker.util.factory.ConfigurableFactory;
020    
021    /**
022     * Factory for {@link org.apache.ojb.broker.accesslayer.ConnectionManagerIF}
023     * implementations.
024     * <br/>
025     * See also {@link org.apache.ojb.broker.accesslayer.ConnectionFactoryFactory}
026     *
027     * @author <a href="mailto:armin@codeAuLait.de">Armin Waibel</a>
028     * @version $Id: ConnectionManagerFactory.java,v 1.1 2007-08-24 22:17:30 ewestfal Exp $
029     */
030    public class ConnectionManagerFactory extends ConfigurableFactory
031    {
032        private static ConnectionManagerFactory singleton;
033    
034        public static synchronized ConnectionManagerFactory getInstance()
035        {
036            if (singleton == null)
037            {
038                singleton = new ConnectionManagerFactory();
039            }
040            return singleton;
041        }
042    
043        protected String getConfigurationKey()
044        {
045            return "ConnectionManagerClass";
046        }
047    
048        public ConnectionManagerIF createConnectionManager(PersistenceBroker broker)
049        {
050            return (ConnectionManagerIF) createNewInstance(PersistenceBroker.class, broker);
051        }
052    }