/**
* 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.
*
**/
package org.jencks.pool;
import java.util.Map;
import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.XAConnectionFactory;
import javax.jms.ConnectionFactory;
import javax.jms.XAConnection;
import javax.transaction.TransactionManager;
import org.activemq.pool.ConnectionKey;
import org.springframework.transaction.jta.JtaTransactionManager;
import EDU.oswego.cs.dl.util.concurrent.ConcurrentHashMap;
public class PooledSpringXAConnectionFactory implements ConnectionFactory {
private XAConnectionFactory connectionFactory;
private TransactionManager transactionManager;
private Map cache = new ConcurrentHashMap();
private Map pooledClientIds = new ConcurrentHashMap();
public PooledSpringXAConnectionFactory(
final XAConnectionFactory connectionFactory,
final TransactionManager transactionManager) {
this.connectionFactory = connectionFactory;
this.transactionManager = transactionManager;
}
public PooledSpringXAConnectionFactory() {
}
public TransactionManager getTransactionManager() {
return this.transactionManager;
}
public void setTransactionManager(final TransactionManager transactionManager) {
this.transactionManager = transactionManager;
}
public void setJtaTransactionManager(final JtaTransactionManager jtaTransactionManager) {
setTransactionManager(jtaTransactionManager.getTransactionManager());
}
public XAConnectionFactory getConnectionFactory() {
return this.connectionFactory;
}
public void setConnectionFactory(final XAConnectionFactory connectionFactory) {
this.connectionFactory = connectionFactory;
}
public Connection createConnection() throws JMSException {
return createConnection(null, null);
}
public synchronized Connection createConnection(final String userName, final String password) throws JMSException {
final ConnectionKey key = new ConnectionKey(userName, password);
PooledSpringXAConnection connection = (PooledSpringXAConnection) this.cache.get(key);
if (connection == null) {
final XAConnection delegate = createConnection(key);
connection = new PooledSpringXAConnection(this, getTransactionManager(), delegate);
this.cache.put(key, connection);
}
return connection.newInstance();
}
protected XAConnection createConnection(ConnectionKey key) throws JMSException {
if (key.getUserName() == null && key.getPassword() == null) {
return this.connectionFactory.createXAConnection();
} else {
return this.connectionFactory.createXAConnection(key.getUserName(), key.getPassword());
}
}
public String generateClientID(final String requestedClientID) {
if (requestedClientID == null) {
return null;
}
final int num;
synchronized (this) {
final Integer lastCount = (Integer) this.pooledClientIds
.get(requestedClientID);
if (lastCount == null) {
num = 1;
} else {
num = lastCount.intValue() + 1;
}
this.pooledClientIds.put(requestedClientID, new Integer(num));
}
return requestedClientID + "-" + num;
}
public void start() throws JMSException {
}
public void stop() throws JMSException {
}
}