001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. 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 package org.apache.activemq.ra;
018
019 import javax.resource.ResourceException;
020 import javax.resource.spi.ConnectionEvent;
021 import javax.resource.spi.ConnectionEventListener;
022 import javax.resource.spi.ConnectionManager;
023 import javax.resource.spi.ConnectionRequestInfo;
024 import javax.resource.spi.ManagedConnection;
025 import javax.resource.spi.ManagedConnectionFactory;
026 import javax.security.auth.Subject;
027
028 import org.apache.commons.logging.Log;
029 import org.apache.commons.logging.LogFactory;
030
031 /**
032 * A simple implementation of a ConnectionManager. An Application Server will
033 * have a better implementation with pooling and security etc.
034 *
035 * @version $Revision$
036 */
037 public class SimpleConnectionManager implements ConnectionManager, ConnectionEventListener {
038
039 private static final long serialVersionUID = -7662970495944876239L;
040
041 private static final Log LOG = LogFactory.getLog(SimpleConnectionManager.class);
042
043 /**
044 * @see javax.resource.spi.ConnectionManager#allocateConnection(javax.resource.spi.ManagedConnectionFactory,
045 * javax.resource.spi.ConnectionRequestInfo)
046 */
047 public Object allocateConnection(ManagedConnectionFactory connectionFactory, ConnectionRequestInfo info) throws ResourceException {
048 Subject subject = null;
049 ManagedConnection connection = connectionFactory.createManagedConnection(subject, info);
050 connection.addConnectionEventListener(this);
051 return connection.getConnection(subject, info);
052 }
053
054 /**
055 * @see javax.resource.spi.ConnectionEventListener#connectionClosed(javax.resource.spi.ConnectionEvent)
056 */
057 public void connectionClosed(ConnectionEvent event) {
058 try {
059 ((ManagedConnection)event.getSource()).cleanup();
060 } catch (ResourceException e) {
061 LOG.warn("Error occured during the cleanup of a managed connection: ", e);
062 }
063 try {
064 ((ManagedConnection)event.getSource()).destroy();
065 } catch (ResourceException e) {
066 LOG.warn("Error occured during the destruction of a managed connection: ", e);
067 }
068 }
069
070 /**
071 * @see javax.resource.spi.ConnectionEventListener#localTransactionStarted(javax.resource.spi.ConnectionEvent)
072 */
073 public void localTransactionStarted(ConnectionEvent event) {
074 }
075
076 /**
077 * @see javax.resource.spi.ConnectionEventListener#localTransactionCommitted(javax.resource.spi.ConnectionEvent)
078 */
079 public void localTransactionCommitted(ConnectionEvent event) {
080 }
081
082 /**
083 * @see javax.resource.spi.ConnectionEventListener#localTransactionRolledback(javax.resource.spi.ConnectionEvent)
084 */
085 public void localTransactionRolledback(ConnectionEvent event) {
086 }
087
088 /**
089 * @see javax.resource.spi.ConnectionEventListener#connectionErrorOccurred(javax.resource.spi.ConnectionEvent)
090 */
091 public void connectionErrorOccurred(ConnectionEvent event) {
092 LOG.warn("Managed connection experiened an error: ", event.getException());
093 try {
094 ((ManagedConnection)event.getSource()).cleanup();
095 } catch (ResourceException e) {
096 LOG.warn("Error occured during the cleanup of a managed connection: ", e);
097 }
098 try {
099 ((ManagedConnection)event.getSource()).destroy();
100 } catch (ResourceException e) {
101 LOG.warn("Error occured during the destruction of a managed connection: ", e);
102 }
103 }
104
105 }