package org.apache.ojb.odmg;

 /* Copyright 2002-2005 The Apache Software Foundation

  *

  * Licensed 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.ojb.broker.util.factory.ConfigurableFactory;

 /**

  * The TxManagerFactory is responsible for creating instances of

  * TransactionManagers. Set the "OJBTxManagerClass" property in

  * OJB.properties in order to install a new TxManagerFactory

  * 

  * @author <a href="mailto:mattbaird@yahoo.com">Matthew Baird</a>

  * @version $Id: TxManagerFactory.java,v 1.1 2007-08-24 22:17:37 ewestfal Exp $

  */

 public class TxManagerFactory extends ConfigurableFactory

 {

     private static TxManagerFactory singleton;

     private OJBTxManager manager;

     static

     {

         singleton = new TxManagerFactory();

     }

     private TxManagerFactory()

     {

         manager = (OJBTxManager) this.createNewInstance();

     }

     private OJBTxManager getManager()

     {

         return manager;

     }

     public synchronized static OJBTxManager instance()

     {

         return singleton.getManager();

     }

     protected String getConfigurationKey()

     {

         return "OJBTxManagerClass";

     }

 }