Transaction.java
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上传日期:2020-12-14
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- /*
- * JBoss, Home of Professional Open Source
- * Copyright 2008, Red Hat, Inc., and others contributors as indicated
- * by the @authors tag. All rights reserved.
- * See the copyright.txt in the distribution for a
- * full listing of individual contributors.
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU Lesser General Public License, v. 2.1.
- * This program is distributed in the hope that it will be useful, but WITHOUT A
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
- * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
- * You should have received a copy of the GNU Lesser General Public License,
- * v.2.1 along with this distribution; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- */
- package org.jboss.blacktie.jatmibroker.jab.factory;
- import org.jboss.blacktie.jatmibroker.jab.JABException;
- import org.jboss.blacktie.jatmibroker.jab.JABSession;
- import org.jboss.blacktie.jatmibroker.jab.JABTransaction;
- import org.jboss.blacktie.jatmibroker.jab.TransactionException;
- /**
- * The JABTransaction provides the programmer access to the underlying
- * transaction object it can be committed or rolled back at most once.
- *
- * @see JABConnection
- */
- public class Transaction {
- /**
- * The connection that created the transaction, the transaction must be
- * disassociated from the connection upon completion
- */
- private JABConnection connection;
- /**
- * The real transaction wrapper
- */
- private JABTransaction jabTransaction;
- /**
- * The constructor is hidden from the programmer as it should be created
- * using the factory method beginTransaction of JABConnection
- *
- * @param connection
- * The connection that initialised this transaction
- * @param timeout
- * The timeout for the transaction
- * @throws JABException
- * In case the transaction cannot be created
- */
- Transaction(JABConnection connection, JABSession session, int timeout)
- throws TransactionException {
- this.connection = connection;
- try {
- this.jabTransaction = new JABTransaction(session, timeout);
- } catch (Throwable e) {
- throw new TransactionException("Could not create the transaction: "
- + e.getMessage(), e);
- }
- }
- /**
- * Commit the work performed within the scope of this transaction
- *
- * @throws JABException
- * In case the transaction cannot be committed
- */
- public synchronized void commit() throws TransactionException {
- jabTransaction.commit();
- connection.removeTransaction(this);
- }
- /**
- * Discard the work associated with this transaction
- *
- * @throws JABException
- * In case the transaction cannot be rolled back successfully
- */
- public synchronized void rollback() throws TransactionException {
- jabTransaction.rollback();
- connection.removeTransaction(this);
- }
- /**
- * Get the transaction wrapper
- *
- * @return The transaction wrapper
- */
- JABTransaction getJABTransaction() {
- return jabTransaction;
- }
- }