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.slf4j.Logger; 029 import org.slf4j.LoggerFactory; 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 * 036 */ 037 public class SimpleConnectionManager implements ConnectionManager, ConnectionEventListener { 038 039 private static final long serialVersionUID = -7662970495944876239L; 040 041 private static final Logger LOG = LoggerFactory.getLogger(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 }