001    package org.apache.ojb.odmg;
002    
003    /* Copyright 2002-2005 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.util.configuration.Configurable;
019    
020    /**
021     *  The OJBTxManager defines the contract for associating the caller with the
022     *  current or new transaction in ODMG.
023     *
024     * @author Matthew Baird
025     * @version $Id: OJBTxManager.java,v 1.1 2007-08-24 22:17:37 ewestfal Exp $
026     */
027    public interface OJBTxManager extends Configurable
028    {
029            /**
030         * Returns the current transaction for the calling thread.
031         * @throws org.odmg.TransactionNotInProgressException if no transaction was found.
032         */
033        TransactionImpl getCurrentTransaction();
034    
035        /**
036         * Returns the current transaction for the calling thread or <code>null</code>
037         * if no transaction was found.
038         */
039        TransactionImpl getTransaction();
040    
041        void registerTx(TransactionImpl tx);
042        void deregisterTx(Object token);
043        void abortExternalTx(TransactionImpl odmgTrans);
044    }