| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| package org.apache.activemq.ra; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import javax.resource.ResourceException; |
| import javax.resource.spi.ConnectionEvent; |
| import javax.resource.spi.ConnectionEventListener; |
| import javax.resource.spi.ConnectionManager; |
| import javax.resource.spi.ConnectionRequestInfo; |
| import javax.resource.spi.ManagedConnection; |
| import javax.resource.spi.ManagedConnectionFactory; |
| import javax.security.auth.Subject; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A simple implementation of a ConnectionManager that can be extended so that |
| * it can see how the RA connections are interacting with it. |
| * |
| * |
| */ |
| public class ConnectionManagerAdapter implements ConnectionManager, ConnectionEventListener { |
| |
| private static final long serialVersionUID = 5205646563916645831L; |
| |
| private static final Logger LOG = LoggerFactory.getLogger(ConnectionManagerAdapter.class); |
| ArrayList<ConnectionEventListener> listners = new ArrayList<ConnectionEventListener>(); |
| ArrayList<ManagedConnection> connections = new ArrayList<ManagedConnection>(); |
| |
| /** |
| * Adds a listener to all connections created by this connection manager. |
| * This listener will be added to all previously created connections. |
| * |
| * @param l |
| */ |
| public void addConnectionEventListener(ConnectionEventListener l) { |
| for (Iterator<ManagedConnection> iter = connections.iterator(); iter.hasNext();) { |
| ManagedConnection c = iter.next(); |
| c.addConnectionEventListener(l); |
| } |
| listners.add(l); |
| } |
| |
| /** |
| * @see javax.resource.spi.ConnectionManager#allocateConnection(javax.resource.spi.ManagedConnectionFactory, |
| * javax.resource.spi.ConnectionRequestInfo) |
| */ |
| public Object allocateConnection(ManagedConnectionFactory connectionFactory, ConnectionRequestInfo info) throws ResourceException { |
| Subject subject = null; |
| ManagedConnection connection = connectionFactory.createManagedConnection(subject, info); |
| connection.addConnectionEventListener(this); |
| for (Iterator<ConnectionEventListener> iter = listners.iterator(); iter.hasNext();) { |
| ConnectionEventListener l = iter.next(); |
| connection.addConnectionEventListener(l); |
| } |
| connections.add(connection); |
| return connection.getConnection(subject, info); |
| } |
| |
| /** |
| * @see javax.resource.spi.ConnectionEventListener#connectionClosed(javax.resource.spi.ConnectionEvent) |
| */ |
| public void connectionClosed(ConnectionEvent event) { |
| connections.remove(event.getSource()); |
| try { |
| ((ManagedConnection)event.getSource()).cleanup(); |
| } catch (ResourceException e) { |
| LOG.warn("Error occured during the cleanup of a managed connection: ", e); |
| } |
| try { |
| ((ManagedConnection)event.getSource()).destroy(); |
| } catch (ResourceException e) { |
| LOG.warn("Error occured during the destruction of a managed connection: ", e); |
| } |
| } |
| |
| /** |
| * @see javax.resource.spi.ConnectionEventListener#localTransactionStarted(javax.resource.spi.ConnectionEvent) |
| */ |
| public void localTransactionStarted(ConnectionEvent event) { |
| } |
| |
| /** |
| * @see javax.resource.spi.ConnectionEventListener#localTransactionCommitted(javax.resource.spi.ConnectionEvent) |
| */ |
| public void localTransactionCommitted(ConnectionEvent event) { |
| } |
| |
| /** |
| * @see javax.resource.spi.ConnectionEventListener#localTransactionRolledback(javax.resource.spi.ConnectionEvent) |
| */ |
| public void localTransactionRolledback(ConnectionEvent event) { |
| } |
| |
| /** |
| * @see javax.resource.spi.ConnectionEventListener#connectionErrorOccurred(javax.resource.spi.ConnectionEvent) |
| */ |
| public void connectionErrorOccurred(ConnectionEvent event) { |
| LOG.warn("Managed connection experiened an error: ", event.getException()); |
| try { |
| ((ManagedConnection)event.getSource()).cleanup(); |
| } catch (ResourceException e) { |
| LOG.warn("Error occured during the cleanup of a managed connection: ", e); |
| } |
| try { |
| ((ManagedConnection)event.getSource()).destroy(); |
| } catch (ResourceException e) { |
| LOG.warn("Error occured during the destruction of a managed connection: ", e); |
| } |
| } |
| |
| } |