/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY 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 along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.cache.transaction;

import org.jboss.logging.Logger;

import javax.transaction.*;
import java.util.ArrayList;
import java.util.List;

/**
 * @author bela
 * @version $Revision: 1.3.2.6 $
 *          Date: May 15, 2003
 *          Time: 4:20:17 PM
 */
public class DummyUserTransaction implements UserTransaction,
        java.io.Serializable {
   int status=Status.STATUS_UNKNOWN;
   Logger logger_=Logger.getLogger(DummyUserTransaction.class);
   DummyTransactionManager tm_;

   /**
    * List<Synchronization>
    */
   List l=new ArrayList();

   public DummyUserTransaction(DummyTransactionManager tm) {
      tm_=tm;
   }


   /**
    * Starts a new transaction, and associate it with the calling thread.
    *
    * @throws NotSupportedException If the calling thread is already
    *                               associated with a transaction, and nested transactions are
    *                               not supported.
    * @throws SystemException       If the transaction service fails in an
    *                               unexpected way.
    */
   public void begin() throws NotSupportedException, SystemException {
      tm_.begin();
      status=Status.STATUS_ACTIVE;
   }

   /**
    * Attempt to commit this transaction.
    *
    * @throws RollbackException          If the transaction was marked for rollback
    *                                    only, the transaction is rolled back and this exception is
    *                                    thrown.
    * @throws SystemException            If the transaction service fails in an
    *                                    unexpected way.
    * @throws HeuristicMixedException    If a heuristic decision was made and
    *                                    some some parts of the transaction have been committed while
    *                                    other parts have been rolled back.
    * @throws HeuristicRollbackException If a heuristic decision to roll
    *                                    back the transaction was made.
    * @throws SecurityException          If the caller is not allowed to commit this
    *                                    transaction.
    */
   public void commit()
           throws RollbackException, HeuristicMixedException,
           HeuristicRollbackException, SecurityException, SystemException {

      tm_.commit();
      status=Status.STATUS_COMMITTED;
   }

   /**
    * Rolls back this transaction.
    *
    * @throws IllegalStateException If the transaction is in a state
    *                               where it cannot be rolled back. This could be because the
    *                               transaction is no longer active, or because it is in the
    *                               {@link Status#STATUS_PREPARED prepared state}.
    * @throws SystemException       If the transaction service fails in an
    *                               unexpected way.
    */
   public void rollback() throws IllegalStateException, SystemException {
      tm_.rollback();
      status=Status.STATUS_ROLLEDBACK;
   }

   /**
    * Mark the transaction so that the only possible outcome is a rollback.
    *
    * @throws IllegalStateException If the transaction is not in an active
    *                               state.
    * @throws SystemException       If the transaction service fails in an
    *                               unexpected way.
    */
   public void setRollbackOnly() throws IllegalStateException, SystemException {
      tm_.setRollbackOnly();
   }

   /**
    * Get the status of the transaction.
    *
    * @return The status of the transaction. This is one of the
    *         {@link Status} constants.
    * @throws SystemException If the transaction service fails in an
    *                         unexpected way.
    */
   public int getStatus() throws SystemException {
      return tm_.getStatus();
   }

   /**
    * Change the transaction timeout for transactions started by the calling
    * thread with the {@link #begin()} method.
    *
    * @param seconds The new timeout value, in seconds. If this parameter
    *                is <code>0</code>, the timeout value is reset to the default
    *                value.
    * @throws SystemException If the transaction service fails in an
    *                         unexpected way.
    */
   public void setTransactionTimeout(int seconds) throws SystemException {
      throw new SystemException("not supported");
   }

}
