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.configuration.Configurable;

 /**

  *  The OJBTxManager defines the contract for associating the caller with the

  *  current or new transaction in ODMG.

  *

  * @author Matthew Baird

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

  */

 public interface OJBTxManager extends Configurable

 {

         /**

      * Returns the current transaction for the calling thread.

      * @throws org.odmg.TransactionNotInProgressException if no transaction was found.

      */

     TransactionImpl getCurrentTransaction();

     /**

      * Returns the current transaction for the calling thread or <code>null</code>

      * if no transaction was found.

      */

     TransactionImpl getTransaction();

     void registerTx(TransactionImpl tx);

     void deregisterTx(Object token);

     void abortExternalTx(TransactionImpl odmgTrans);

 }