package org.apache.ojb.broker.util.pooling;

 /* 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.logging.Logger;

 import org.apache.ojb.broker.util.logging.LoggerFactory;

 import org.apache.ojb.broker.util.WrappedConnection;

 import java.sql.Connection;

 import java.sql.SQLException;

 /**

  * Simple wrapper for connections that make some methods to no-op for

  * use in managed environments.

  *

  * @author <a href="mailto:arminw@apache.org">Armin Waibel</a>

  */

 public class ByPassConnection extends WrappedConnection

 {

     private Logger log = LoggerFactory.getLogger(ByPassConnection.class);

     public ByPassConnection(Connection c)

     {

         super(c);

         this.activateConnection();

     }

     /**

      * a no-op

      */

     public void setAutoCommit(boolean autoCommit) throws SQLException

     {

         /*

         we ignore this. in managed environments it is not

         allowed to change autoCommit state

         */

         if (log.isDebugEnabled()) log.debug("** we ignore setAutoCommit");

     }

     /**

      * a no-op

      */

     public void commit() throws SQLException

     {

         /*

         we ignore commit, cause this will do

         e.g. the J2EE environment for us, when using

         declarative or programmatic transaction in a j2ee container

         */

         if (log.isDebugEnabled()) log.debug("** we ignore commit");

     }

     /**

      * no-op

      */

     public void rollback() throws SQLException

     {

         /*

         arminw:

         rollback of the connection should be done by the AppServer

         so we ignore this call too. in beans user should use ctx.setRollbackOnly

         method

         */

         if (log.isDebugEnabled()) log.debug("** we ignore rollback, done by server");

     }

 }