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Generic JMS Pooled Connection library
/*
* 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.messaginghub.pooled.jms;
import java.io.Serializable;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.jms.BytesMessage;
import javax.jms.Destination;
import javax.jms.IllegalStateException;
import javax.jms.JMSException;
import javax.jms.MapMessage;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.ObjectMessage;
import javax.jms.Queue;
import javax.jms.QueueBrowser;
import javax.jms.QueueReceiver;
import javax.jms.QueueSender;
import javax.jms.QueueSession;
import javax.jms.Session;
import javax.jms.StreamMessage;
import javax.jms.TemporaryQueue;
import javax.jms.TemporaryTopic;
import javax.jms.TextMessage;
import javax.jms.Topic;
import javax.jms.TopicPublisher;
import javax.jms.TopicSession;
import javax.jms.TopicSubscriber;
import javax.jms.XASession;
import javax.transaction.xa.XAResource;
import org.apache.commons.pool2.KeyedObjectPool;
import org.messaginghub.pooled.jms.pool.PooledSessionHolder;
import org.messaginghub.pooled.jms.pool.PooledSessionKey;
import org.messaginghub.pooled.jms.util.JMSExceptionSupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class JmsPoolSession implements Session, TopicSession, QueueSession, XASession, AutoCloseable {
private static final transient Logger LOG = LoggerFactory.getLogger(JmsPoolSession.class);
private final PooledSessionKey key;
private final KeyedObjectPool sessionPool;
private final CopyOnWriteArrayList producers = new CopyOnWriteArrayList<>();
private final CopyOnWriteArrayList consumers = new CopyOnWriteArrayList<>();
private final CopyOnWriteArrayList browsers = new CopyOnWriteArrayList<>();
private final CopyOnWriteArrayList sessionEventListeners = new CopyOnWriteArrayList<>();
private final AtomicBoolean closed = new AtomicBoolean();
private PooledSessionHolder sessionHolder;
private boolean transactional = true;
private boolean ignoreClose;
private boolean isXa;
public JmsPoolSession(PooledSessionKey key, PooledSessionHolder sessionHolder, KeyedObjectPool sessionPool, boolean transactional) {
this.key = key;
this.sessionHolder = sessionHolder;
this.sessionPool = sessionPool;
this.transactional = transactional;
}
@Override
public void close() throws JMSException {
if (ignoreClose) {
return;
}
if (closed.compareAndSet(false, true)) {
boolean invalidate = false;
try {
// lets reset the session
getInternalSession().setMessageListener(null);
// Close any consumers, producers and browsers that may have been created.
for (MessageConsumer consumer : consumers) {
consumer.close();
}
for (QueueBrowser browser : browsers) {
browser.close();
}
for (MessageProducer producer : producers) {
producer.close();
}
consumers.clear();
producers.clear();
browsers.clear();
if (transactional && !isXa) {
try {
getInternalSession().rollback();
} catch (JMSException e) {
invalidate = true;
LOG.warn("Caught exception trying rollback() when putting session back into the pool, will invalidate. " + e, e);
}
}
} catch (JMSException ex) {
invalidate = true;
LOG.warn("Caught exception trying close() when putting session back into the pool, will invalidate. " + ex, ex);
} finally {
consumers.clear();
browsers.clear();
for (JmsPoolSessionEventListener listener : this.sessionEventListeners) {
listener.onSessionClosed(this);
}
sessionEventListeners.clear();
}
if (invalidate) {
// lets close the session and not put the session back into the pool
// instead invalidate it so the pool can create a new one on demand.
if (sessionHolder != null) {
try {
sessionHolder.close();
} catch (JMSException e1) {
LOG.trace("Ignoring exception on close as discarding session: " + e1, e1);
}
}
try {
sessionPool.invalidateObject(key, sessionHolder);
} catch (Exception e) {
LOG.trace("Ignoring exception on invalidateObject as discarding session: " + e, e);
}
} else {
try {
sessionPool.returnObject(key, sessionHolder);
} catch (Exception e) {
javax.jms.IllegalStateException illegalStateException = new javax.jms.IllegalStateException(e.toString());
illegalStateException.initCause(e);
throw illegalStateException;
}
}
sessionHolder = null;
}
}
//----- Destination factory methods --------------------------------------//
@Override
public TemporaryQueue createTemporaryQueue() throws JMSException {
TemporaryQueue result;
result = getInternalSession().createTemporaryQueue();
// Notify all of the listeners of the created temporary Queue.
for (JmsPoolSessionEventListener listener : this.sessionEventListeners) {
listener.onTemporaryQueueCreate(result);
}
return result;
}
@Override
public TemporaryTopic createTemporaryTopic() throws JMSException {
TemporaryTopic result;
result = getInternalSession().createTemporaryTopic();
// Notify all of the listeners of the created temporary Topic.
for (JmsPoolSessionEventListener listener : this.sessionEventListeners) {
listener.onTemporaryTopicCreate(result);
}
return result;
}
@Override
public Queue createQueue(String s) throws JMSException {
return getInternalSession().createQueue(s);
}
@Override
public Topic createTopic(String s) throws JMSException {
return getInternalSession().createTopic(s);
}
//----- Message factory methods ------------------------------------------//
@Override
public BytesMessage createBytesMessage() throws JMSException {
return getInternalSession().createBytesMessage();
}
@Override
public MapMessage createMapMessage() throws JMSException {
return getInternalSession().createMapMessage();
}
@Override
public Message createMessage() throws JMSException {
return getInternalSession().createMessage();
}
@Override
public ObjectMessage createObjectMessage() throws JMSException {
return getInternalSession().createObjectMessage();
}
@Override
public ObjectMessage createObjectMessage(Serializable serializable) throws JMSException {
return getInternalSession().createObjectMessage(serializable);
}
@Override
public StreamMessage createStreamMessage() throws JMSException {
return getInternalSession().createStreamMessage();
}
@Override
public TextMessage createTextMessage() throws JMSException {
return getInternalSession().createTextMessage();
}
@Override
public TextMessage createTextMessage(String s) throws JMSException {
return getInternalSession().createTextMessage(s);
}
//----- Session management APIs ------------------------------------------//
@Override
public void unsubscribe(String s) throws JMSException {
getInternalSession().unsubscribe(s);
}
@Override
public int getAcknowledgeMode() throws JMSException {
return getInternalSession().getAcknowledgeMode();
}
@Override
public boolean getTransacted() throws JMSException {
return getInternalSession().getTransacted();
}
@Override
public void recover() throws JMSException {
getInternalSession().recover();
}
@Override
public void commit() throws JMSException {
getInternalSession().commit();
}
@Override
public void rollback() throws JMSException {
getInternalSession().rollback();
}
@Override
public XAResource getXAResource() {
final PooledSessionHolder session;
try {
session = safeGetSessionHolder();
} catch (JMSException e) {
throw JMSExceptionSupport.createRuntimeException(e);
}
if (session.getSession() instanceof XASession) {
return ((XASession) session.getSession()).getXAResource();
}
return null;
}
@Override
public Session getSession() {
return this;
}
//----- Java EE Session run entry point ----------------------------------//
@Override
public MessageListener getMessageListener() throws JMSException {
return getInternalSession().getMessageListener();
}
@Override
public void setMessageListener(MessageListener messageListener) throws JMSException {
getInternalSession().setMessageListener(messageListener);
}
@Override
public void run() {
final PooledSessionHolder session;
try {
session = safeGetSessionHolder();
} catch (JMSException e) {
throw JMSExceptionSupport.createRuntimeException(e);
}
if (session != null) {
session.getSession().run();
}
}
//----- Consumer related methods -----------------------------------------//
@Override
public QueueBrowser createBrowser(Queue queue) throws JMSException {
return addQueueBrowser(getInternalSession().createBrowser(queue));
}
@Override
public QueueBrowser createBrowser(Queue queue, String selector) throws JMSException {
return addQueueBrowser(getInternalSession().createBrowser(queue, selector));
}
@Override
public MessageConsumer createConsumer(Destination destination) throws JMSException {
return addConsumer(getInternalSession().createConsumer(destination));
}
@Override
public MessageConsumer createConsumer(Destination destination, String selector) throws JMSException {
return addConsumer(getInternalSession().createConsumer(destination, selector));
}
@Override
public MessageConsumer createConsumer(Destination destination, String selector, boolean noLocal) throws JMSException {
return addConsumer(getInternalSession().createConsumer(destination, selector, noLocal));
}
@Override
public TopicSubscriber createDurableSubscriber(Topic topic, String selector) throws JMSException {
return addTopicSubscriber(getInternalSession().createDurableSubscriber(topic, selector));
}
@Override
public TopicSubscriber createDurableSubscriber(Topic topic, String name, String selector, boolean noLocal) throws JMSException {
return addTopicSubscriber(getInternalSession().createDurableSubscriber(topic, name, selector, noLocal));
}
@Override
public TopicSubscriber createSubscriber(Topic topic) throws JMSException {
return addTopicSubscriber(((TopicSession) getInternalSession()).createSubscriber(topic));
}
@Override
public TopicSubscriber createSubscriber(Topic topic, String selector, boolean local) throws JMSException {
return addTopicSubscriber(((TopicSession) getInternalSession()).createSubscriber(topic, selector, local));
}
@Override
public QueueReceiver createReceiver(Queue queue) throws JMSException {
return addQueueReceiver(((QueueSession) getInternalSession()).createReceiver(queue));
}
@Override
public QueueReceiver createReceiver(Queue queue, String selector) throws JMSException {
return addQueueReceiver(((QueueSession) getInternalSession()).createReceiver(queue, selector));
}
//----- JMS 2.0 Subscriber creation API ----------------------------------//
@Override
public MessageConsumer createSharedConsumer(Topic topic, String sharedSubscriptionName) throws JMSException {
PooledSessionHolder state = safeGetSessionHolder();
state.getConnection().checkClientJMSVersionSupport(2, 0);
return addConsumer(state.getSession().createSharedConsumer(topic, sharedSubscriptionName));
}
@Override
public MessageConsumer createSharedConsumer(Topic topic, String sharedSubscriptionName, String messageSelector) throws JMSException {
PooledSessionHolder state = safeGetSessionHolder();
state.getConnection().checkClientJMSVersionSupport(2, 0);
return addConsumer(state.getSession().createSharedConsumer(topic, sharedSubscriptionName, messageSelector));
}
@Override
public MessageConsumer createDurableConsumer(Topic topic, String name) throws JMSException {
PooledSessionHolder state = safeGetSessionHolder();
state.getConnection().checkClientJMSVersionSupport(2, 0);
return addConsumer(state.getSession().createDurableConsumer(topic, name));
}
@Override
public MessageConsumer createDurableConsumer(Topic topic, String name, String messageSelector, boolean noLocal) throws JMSException {
PooledSessionHolder state = safeGetSessionHolder();
state.getConnection().checkClientJMSVersionSupport(2, 0);
return addConsumer(state.getSession().createDurableConsumer(topic, name, messageSelector, noLocal));
}
@Override
public MessageConsumer createSharedDurableConsumer(Topic topic, String name) throws JMSException {
PooledSessionHolder state = safeGetSessionHolder();
state.getConnection().checkClientJMSVersionSupport(2, 0);
return addConsumer(state.getSession().createSharedDurableConsumer(topic, name));
}
@Override
public MessageConsumer createSharedDurableConsumer(Topic topic, String name, String messageSelector) throws JMSException {
PooledSessionHolder state = safeGetSessionHolder();
state.getConnection().checkClientJMSVersionSupport(2, 0);
return addConsumer(state.getSession().createSharedDurableConsumer(topic, name, messageSelector));
}
//----- Producer related methods -----------------------------------------//
@Override
public MessageProducer createProducer(Destination destination) throws JMSException {
JmsPoolMessageProducer result = safeGetSessionHolder().getOrCreateProducer(this, destination);
producers.add(result);
return result;
}
@Override
public QueueSender createSender(Queue queue) throws JMSException {
JmsPoolQueueSender result = safeGetSessionHolder().getOrCreateSender(this, queue);
producers.add(result);
return result;
}
@Override
public TopicPublisher createPublisher(Topic topic) throws JMSException {
JmsPoolTopicPublisher result = safeGetSessionHolder().getOrCreatePublisher(this, topic);
producers.add(result);
return result;
}
//----- Session configuration methods ------------------------------------//
public void addSessionEventListener(JmsPoolSessionEventListener listener) throws JMSException {
checkClosed();
if (!sessionEventListeners.contains(listener)) {
this.sessionEventListeners.add(listener);
}
}
public Session getInternalSession() throws JMSException {
return safeGetSessionHolder().getSession();
}
public void setIsXa(boolean isXa) {
this.isXa = isXa;
}
public boolean isIgnoreClose() {
return ignoreClose;
}
public void setIgnoreClose(boolean ignoreClose) {
this.ignoreClose = ignoreClose;
}
@Override
public String toString() {
try {
return getClass().getSimpleName() + " { " + safeGetSessionHolder() + " }";
} catch (JMSException e) {
return getClass().getSimpleName() + " { " + null + " }";
}
}
//----- Consumer callback methods ----------------------------------------//
/**
* Callback invoked when the consumer is closed.
*
* This is used to keep track of an explicit closed consumer created by this
* session so that the internal tracking data structures can be cleaned up.
*
* @param consumer
* the consumer which is being closed.
*/
protected void onConsumerClose(JmsPoolMessageConsumer consumer) {
consumers.remove(consumer);
}
/**
* Callback invoked when the consumer is closed.
*
* This is used to keep track of an explicit closed browser created by this
* session so that the internal tracking data structures can be cleaned up.
*
* @param browser
* the browser which is being closed.
*/
protected void onQueueBrowserClose(JmsPoolQueueBrowser browser) {
browsers.remove(browser);
}
/**
* Callback invoked when the producer is closed.
*
* This is used to keep track of an explicit closed producer created by this
* session so that the internal tracking data structures can be cleaned up.
*
* @param producer
* the producer which is being closed.
* @param force
* should the producer be closed regardless of other configuration
*
* @throws JMSException if an error occurs while closing the provider MessageProducer.
*/
protected void onMessageProducerClosed(JmsPoolMessageProducer producer, boolean force) throws JMSException {
producers.remove(producer);
safeGetSessionHolder().onJmsPoolProducerClosed(producer, force);
}
//----- Internal support methods -----------------------------------------//
protected void checkClientJMSVersionSupport(int major, int minor) throws JMSException {
safeGetSessionHolder().getConnection().checkClientJMSVersionSupport(major, minor);
}
protected boolean isJMSVersionSupported(int major, int minor) throws JMSException {
return safeGetSessionHolder().getConnection().isJMSVersionSupported(major, minor);
}
private void checkClosed() throws IllegalStateException {
if (closed.get()) {
throw new IllegalStateException("Session is closed");
}
}
private QueueBrowser addQueueBrowser(QueueBrowser browser) {
browser = new JmsPoolQueueBrowser(this, browser);
browsers.add((JmsPoolQueueBrowser) browser);
return browser;
}
private MessageConsumer addConsumer(MessageConsumer consumer) {
consumer = new JmsPoolMessageConsumer(this, consumer);
consumers.add((JmsPoolMessageConsumer) consumer);
return consumer;
}
private TopicSubscriber addTopicSubscriber(TopicSubscriber subscriber) {
subscriber = new JmsPoolTopicSubscriber(this, subscriber);
consumers.add((JmsPoolMessageConsumer) subscriber);
return subscriber;
}
private QueueReceiver addQueueReceiver(QueueReceiver receiver) {
receiver = new JmsPoolQueueReceiver(this, receiver);
consumers.add((JmsPoolMessageConsumer) receiver);
return receiver;
}
private PooledSessionHolder safeGetSessionHolder() throws JMSException {
PooledSessionHolder sessionHolder = this.sessionHolder;
if (sessionHolder == null) {
throw new IllegalStateException("The session has already been closed");
}
return sessionHolder;
}
}