001 /** 002 * 003 * Copyright 2004 Hiram Chirino 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * 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 **/ 018 package org.activemq.ra; 019 020 import org.apache.commons.logging.Log; 021 import org.apache.commons.logging.LogFactory; 022 023 import javax.resource.ResourceException; 024 import javax.resource.spi.ConnectionEvent; 025 import javax.resource.spi.ConnectionEventListener; 026 import javax.resource.spi.ConnectionManager; 027 import javax.resource.spi.ConnectionRequestInfo; 028 import javax.resource.spi.ManagedConnection; 029 import javax.resource.spi.ManagedConnectionFactory; 030 import javax.security.auth.Subject; 031 032 033 /** 034 * A simple implementation of a ConnectionManager. 035 * An App Server will have a better implementation with pooling and security etc. 036 * 037 * @version $Revision: 1.1.1.1 $ 038 */ 039 public class SimpleConnectionManager implements ConnectionManager, ConnectionEventListener { 040 041 private static final Log log = LogFactory.getLog(SimpleConnectionManager.class); 042 043 /** 044 * @see javax.resource.spi.ConnectionManager#allocateConnection(javax.resource.spi.ManagedConnectionFactory, javax.resource.spi.ConnectionRequestInfo) 045 */ 046 public Object allocateConnection(ManagedConnectionFactory connectionFactory, ConnectionRequestInfo info) throws ResourceException { 047 Subject subject = null; 048 ManagedConnection connection = connectionFactory.createManagedConnection(subject, info); 049 connection.addConnectionEventListener(this); 050 return connection.getConnection(subject, info); 051 } 052 053 /** 054 * @see javax.resource.spi.ConnectionEventListener#connectionClosed(javax.resource.spi.ConnectionEvent) 055 */ 056 public void connectionClosed(ConnectionEvent event) { 057 try { 058 ((ManagedConnection) event.getSource()).cleanup(); 059 } 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 } 066 catch (ResourceException e) { 067 log.warn("Error occured during the destruction of a managed connection: ", e); 068 } 069 } 070 071 /** 072 * @see javax.resource.spi.ConnectionEventListener#localTransactionStarted(javax.resource.spi.ConnectionEvent) 073 */ 074 public void localTransactionStarted(ConnectionEvent event) { 075 } 076 077 /** 078 * @see javax.resource.spi.ConnectionEventListener#localTransactionCommitted(javax.resource.spi.ConnectionEvent) 079 */ 080 public void localTransactionCommitted(ConnectionEvent event) { 081 } 082 083 /** 084 * @see javax.resource.spi.ConnectionEventListener#localTransactionRolledback(javax.resource.spi.ConnectionEvent) 085 */ 086 public void localTransactionRolledback(ConnectionEvent event) { 087 } 088 089 /** 090 * @see javax.resource.spi.ConnectionEventListener#connectionErrorOccurred(javax.resource.spi.ConnectionEvent) 091 */ 092 public void connectionErrorOccurred(ConnectionEvent event) { 093 log.warn("Managed connection experiened an error: ", event.getException()); 094 try { 095 ((ManagedConnection) event.getSource()).cleanup(); 096 } 097 catch (ResourceException e) { 098 log.warn("Error occured during the cleanup of a managed connection: ", e); 099 } 100 try { 101 ((ManagedConnection) event.getSource()).destroy(); 102 } 103 catch (ResourceException e) { 104 log.warn("Error occured during the destruction of a managed connection: ", e); 105 } 106 } 107 108 }