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The core JMS Client implementation
/*
* 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.qpid.jms;
import java.io.IOException;
import java.net.URI;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
import javax.jms.Connection;
import javax.jms.ConnectionConsumer;
import javax.jms.ConnectionMetaData;
import javax.jms.Destination;
import javax.jms.ExceptionListener;
import javax.jms.IllegalStateException;
import javax.jms.InvalidClientIDException;
import javax.jms.InvalidDestinationException;
import javax.jms.JMSException;
import javax.jms.JMSRuntimeException;
import javax.jms.Queue;
import javax.jms.QueueConnection;
import javax.jms.QueueSession;
import javax.jms.ServerSessionPool;
import javax.jms.Session;
import javax.jms.TemporaryQueue;
import javax.jms.TemporaryTopic;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicSession;
import org.apache.qpid.jms.exceptions.JmsConnectionFailedException;
import org.apache.qpid.jms.exceptions.JmsExceptionSupport;
import org.apache.qpid.jms.message.JmsInboundMessageDispatch;
import org.apache.qpid.jms.message.JmsMessage;
import org.apache.qpid.jms.message.JmsMessageFactory;
import org.apache.qpid.jms.message.JmsOutboundMessageDispatch;
import org.apache.qpid.jms.meta.JmsConnectionId;
import org.apache.qpid.jms.meta.JmsConnectionInfo;
import org.apache.qpid.jms.meta.JmsConsumerId;
import org.apache.qpid.jms.meta.JmsConsumerInfo;
import org.apache.qpid.jms.meta.JmsProducerId;
import org.apache.qpid.jms.meta.JmsProducerInfo;
import org.apache.qpid.jms.meta.JmsResource;
import org.apache.qpid.jms.meta.JmsResource.ResourceState;
import org.apache.qpid.jms.meta.JmsSessionId;
import org.apache.qpid.jms.meta.JmsSessionInfo;
import org.apache.qpid.jms.meta.JmsTransactionId;
import org.apache.qpid.jms.meta.JmsTransactionInfo;
import org.apache.qpid.jms.policy.JmsDeserializationPolicy;
import org.apache.qpid.jms.policy.JmsMessageIDPolicy;
import org.apache.qpid.jms.policy.JmsPrefetchPolicy;
import org.apache.qpid.jms.policy.JmsPresettlePolicy;
import org.apache.qpid.jms.policy.JmsRedeliveryPolicy;
import org.apache.qpid.jms.provider.AsyncResult;
import org.apache.qpid.jms.provider.Provider;
import org.apache.qpid.jms.provider.ProviderClosedException;
import org.apache.qpid.jms.provider.ProviderConstants.ACK_TYPE;
import org.apache.qpid.jms.provider.ProviderFuture;
import org.apache.qpid.jms.provider.ProviderListener;
import org.apache.qpid.jms.provider.ProviderSynchronization;
import org.apache.qpid.jms.util.QpidJMSThreadFactory;
import org.apache.qpid.jms.util.ThreadPoolUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Implementation of a JMS Connection
*/
public class JmsConnection implements AutoCloseable, Connection, TopicConnection, QueueConnection, ProviderListener {
private static final Logger LOG = LoggerFactory.getLogger(JmsConnection.class);
private final Map sessions = new ConcurrentHashMap();
private final AtomicBoolean connected = new AtomicBoolean();
private final AtomicBoolean closed = new AtomicBoolean();
private final AtomicBoolean closing = new AtomicBoolean();
private final AtomicBoolean started = new AtomicBoolean();
private final AtomicReference failureCause = new AtomicReference<>();
private final JmsConnectionInfo connectionInfo;
private final ThreadPoolExecutor executor;
private ExceptionListener exceptionListener;
private JmsMessageFactory messageFactory;
private Provider provider;
private final Set connectionListeners =
new CopyOnWriteArraySet();
private final Map tempDestinations =
new ConcurrentHashMap();
private final AtomicLong sessionIdGenerator = new AtomicLong();
private final AtomicLong tempDestIdGenerator = new AtomicLong();
private final AtomicLong transactionIdGenerator = new AtomicLong();
private final Map requests = new ConcurrentHashMap();
protected JmsConnection(final JmsConnectionInfo connectionInfo, Provider provider) throws JMSException {
// This executor can be used for dispatching asynchronous tasks that might block or result
// in reentrant calls to this Connection that could block. The thread in this executor
// will also serve as a means of preventing JVM shutdown should a client application
// not have it's own mechanism for doing so if the configuration specifies that the
// Connection create this thread as a non-daemon thread.
executor = new ThreadPoolExecutor(1, 1, 5, TimeUnit.SECONDS, new LinkedBlockingQueue(),
new QpidJMSThreadFactory("QpidJMS Connection Executor: " + connectionInfo.getId(), connectionInfo.isUseDaemonThread()));
executor.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardOldestPolicy());
// We need to start the core thread in order for it to prevent JVM shutdown as our
// single non-daemon thread.
executor.execute(new Runnable() {
@Override
public void run() {
}
});
this.provider = provider;
this.provider.setProviderListener(this);
try {
this.provider.start();
} catch (Exception e) {
executor.shutdown();
throw JmsExceptionSupport.create(e);
}
this.connectionInfo = connectionInfo;
}
JmsConnection connect() throws JMSException {
if (provider == null) {
throw new IllegalStateException("Remote provider instance not set.");
}
try {
provider.connect(connectionInfo);
} catch (Exception ex) {
LOG.error("Failed to connect to remote at: {}", connectionInfo.getConfiguredURI());
LOG.trace("Error: ", ex);
try {
provider.close();
} catch (Throwable ignored) {}
try {
executor.shutdown();
} catch (Throwable ignored) {}
throw JmsExceptionSupport.create(ex);
}
if (connectionInfo.isExplicitClientID() || !connectionInfo.isAwaitClientID()) {
createJmsConnection();
}
return this;
}
@Override
public void close() throws JMSException {
boolean interrupted = Thread.interrupted();
for (JmsSession session : sessions.values()) {
session.checkIsDeliveryThread();
session.checkIsCompletionThread();
}
try {
if (!closed.get() && !isFailed()) {
// do not fail if already closed as specified by the JMS specification.
doStop(false);
}
synchronized (this) {
if (closed.get()) {
return;
}
closing.set(true);
for (JmsSession session : sessions.values()) {
session.shutdown();
}
if (isConnected() && !isFailed()) {
ProviderFuture request = new ProviderFuture();
requests.put(request, request);
try {
provider.destroy(connectionInfo, request);
try {
request.sync();
} catch (Exception ex) {
// NOTE - Spec is a bit vague here, we don't fail if already closed but
// in this case we really aren't closed yet so there could be an
// argument that at this point an exception is still valid.
if (ex.getCause() instanceof InterruptedException) {
throw (InterruptedException) ex.getCause();
}
LOG.debug("Failed destroying Connection resource: {}", ex.getMessage());
}
} catch(ProviderClosedException pce) {
LOG.debug("Ignoring provider closed exception during connection close");
} finally {
requests.remove(request);
}
}
sessions.clear();
tempDestinations.clear();
connected.set(false);
started.set(false);
closing.set(false);
closed.set(true);
}
} catch (Exception e) {
throw JmsExceptionSupport.create(e);
} finally {
try {
ThreadPoolUtils.shutdown(executor);
} catch (Throwable e) {
LOG.warn("Error shutting down thread pool: " + executor + ". This exception will be ignored.", e);
}
if (provider != null) {
provider.close();
provider = null;
}
if (interrupted) {
Thread.currentThread().interrupt();
}
}
}
/**
* Called to free all Connection resources.
*/
protected void shutdown() throws JMSException {
shutdown(null);
}
/**
* Called to free all Connection resources.
*/
protected void shutdown(Exception cause) throws JMSException {
// NOTE - Once ConnectionConsumer is added we must shutdown those as well.
connectionInfo.setState(ResourceState.CLOSED);
for (JmsSession session : sessions.values()) {
session.shutdown(cause);
}
if (isConnected() && !isFailed() && !closing.get()) {
destroyResource(connectionInfo);
}
tempDestinations.clear();
started.set(false);
connected.set(false);
}
@Override
public Session createSession() throws JMSException {
return createSession(false, Session.AUTO_ACKNOWLEDGE);
}
@Override
public Session createSession(int acknowledgeMode) throws JMSException {
return createSession(acknowledgeMode == Session.SESSION_TRANSACTED ? true : false, acknowledgeMode);
}
@Override
public Session createSession(boolean transacted, int acknowledgeMode) throws JMSException {
checkClosedOrFailed();
createJmsConnection();
int ackMode = getSessionAcknowledgeMode(transacted, acknowledgeMode);
JmsSession result = new JmsSession(this, getNextSessionId(), ackMode);
addSession(result.getSessionInfo(), result);
if (started.get()) {
result.start();
}
return result;
}
@Override
public synchronized String getClientID() throws JMSException {
checkClosedOrFailed();
return connected.get() ? connectionInfo.getClientId() : null;
}
@Override
public ConnectionMetaData getMetaData() throws JMSException {
checkClosedOrFailed();
return JmsConnectionMetaData.INSTANCE;
}
@Override
public synchronized void setClientID(String clientID) throws JMSException {
checkClosedOrFailed();
if (connectionInfo.isExplicitClientID()) {
throw new IllegalStateException("The clientID has already been set");
}
if (clientID == null || clientID.isEmpty()) {
throw new InvalidClientIDException("Cannot have a null or empty clientID");
}
if (connected.get()) {
throw new IllegalStateException("Cannot set the client id once connected.");
}
this.connectionInfo.setClientId(clientID, true);
// We weren't connected if we got this far, we should now connect to ensure the
// configured clientID is valid.
createJmsConnection();
}
@Override
public void start() throws JMSException {
checkClosedOrFailed();
createJmsConnection();
if (started.compareAndSet(false, true)) {
try {
for (JmsSession s : sessions.values()) {
s.start();
}
} catch (Exception e) {
throw JmsExceptionSupport.create(e);
}
}
}
@Override
public void stop() throws JMSException {
doStop(true);
}
/**
* Performs the actual connection stop with the option to disable the close check in cases
* where we don't want an exception.
*
* @see #stop()
* @param checkClosed true to check for already closed and throw
* {@link java.lang.IllegalStateException} if already closed,
* false to skip this check
* @throws JMSException if the JMS provider fails to stop message delivery due to some internal error.
*/
void doStop(boolean checkClosed) throws JMSException {
if (checkClosed) {
checkClosedOrFailed();
}
for (JmsSession session : sessions.values()) {
session.checkIsDeliveryThread();
}
if (started.compareAndSet(true, false)) {
synchronized(sessions) {
for (JmsSession s : sessions.values()) {
s.stop();
}
}
}
}
@Override
public ConnectionConsumer createSharedConnectionConsumer(Topic topic, String subscriptionName, String messageSelector, ServerSessionPool sessionPool, int maxMessages) throws JMSException {
checkClosedOrFailed();
createJmsConnection();
throw new JMSException("Not supported");
}
@Override
public ConnectionConsumer createSharedDurableConnectionConsumer(Topic topic, String subscriptionName, String messageSelector, ServerSessionPool sessionPool, int maxMessages) throws JMSException {
checkClosedOrFailed();
createJmsConnection();
throw new JMSException("Not supported");
}
@Override
public ConnectionConsumer createDurableConnectionConsumer(Topic topic, String subscriptionName,
String messageSelector, ServerSessionPool sessionPool, int maxMessages) throws JMSException {
checkClosedOrFailed();
createJmsConnection();
throw new JMSException("Not supported");
}
@Override
public ConnectionConsumer createConnectionConsumer(Destination destination, String messageSelector,
ServerSessionPool sessionPool, int maxMessages) throws JMSException {
checkClosedOrFailed();
createJmsConnection();
throw new JMSException("Not supported");
}
@Override
public ConnectionConsumer createConnectionConsumer(Topic topic, String messageSelector,
ServerSessionPool sessionPool, int maxMessages) throws JMSException {
checkClosedOrFailed();
createJmsConnection();
throw new JMSException("Not supported");
}
@Override
public ConnectionConsumer createConnectionConsumer(Queue queue, String messageSelector,
ServerSessionPool sessionPool, int maxMessages) throws JMSException {
checkClosedOrFailed();
createJmsConnection();
throw new JMSException("Not supported");
}
@Override
public TopicSession createTopicSession(boolean transacted, int acknowledgeMode) throws JMSException {
checkClosedOrFailed();
createJmsConnection();
int ackMode = getSessionAcknowledgeMode(transacted, acknowledgeMode);
JmsTopicSession result = new JmsTopicSession(this, getNextSessionId(), ackMode);
addSession(result.getSessionInfo(), result);
if (started.get()) {
result.start();
}
return result;
}
@Override
public QueueSession createQueueSession(boolean transacted, int acknowledgeMode) throws JMSException {
checkClosedOrFailed();
createJmsConnection();
int ackMode = getSessionAcknowledgeMode(transacted, acknowledgeMode);
JmsQueueSession result = new JmsQueueSession(this, getNextSessionId(), ackMode);
addSession(result.getSessionInfo(), result);
if (started.get()) {
result.start();
}
return result;
}
public void onException(Exception ex) {
onException(JmsExceptionSupport.create(ex));
}
public void onException(JMSException ex) {
ExceptionListener listener = this.exceptionListener;
if (listener != null) {
listener.onException(JmsExceptionSupport.create(ex));
}
}
protected int getSessionAcknowledgeMode(boolean transacted, int acknowledgeMode) throws JMSException {
int result = acknowledgeMode;
if (!transacted && acknowledgeMode == Session.SESSION_TRANSACTED) {
throw new JMSException("acknowledgeMode SESSION_TRANSACTED cannot be used for an non-transacted Session");
}
if (transacted) {
result = Session.SESSION_TRANSACTED;
} else {
try {
JmsSession.validateSessionMode(acknowledgeMode);
} catch (JMSRuntimeException jmsre) {
throw new JMSException("acknowledgeMode " + acknowledgeMode + " cannot be used for an non-transacted Session");
}
}
return result;
}
protected void removeSession(JmsSessionInfo sessionInfo) throws JMSException {
sessions.remove(sessionInfo.getId());
}
protected void addSession(JmsSessionInfo sessionInfo, JmsSession session) {
sessions.put(sessionInfo.getId(), session);
}
private void createJmsConnection() throws JMSException {
if (isConnected() || closed.get()) {
return;
}
synchronized(this.connectionInfo) {
if (isConnected() || closed.get()) {
return;
}
if (connectionInfo.getClientId() == null || connectionInfo.getClientId().trim().isEmpty()) {
throw new IllegalArgumentException("Client ID cannot be null or empty string");
}
createResource(connectionInfo);
connected.set(true);
}
}
/**
* @return a newly initialized TemporaryQueue instance.
*/
protected TemporaryQueue createTemporaryQueue() throws JMSException {
String destinationName = connectionInfo.getId() + ":" + tempDestIdGenerator.incrementAndGet();
JmsTemporaryQueue queue = new JmsTemporaryQueue(destinationName);
createResource(queue);
tempDestinations.put(queue, queue);
queue.setConnection(this);
return queue;
}
/**
* @return a newly initialized TemporaryTopic instance.
*/
protected TemporaryTopic createTemporaryTopic() throws JMSException {
String destinationName = connectionInfo.getId() + ":" + tempDestIdGenerator.incrementAndGet();
JmsTemporaryTopic topic = new JmsTemporaryTopic(destinationName);
createResource(topic);
tempDestinations.put(topic, topic);
topic.setConnection(this);
return topic;
}
protected void deleteTemporaryDestination(JmsTemporaryDestination destination) throws JMSException {
checkClosedOrFailed();
try {
for (JmsSession session : sessions.values()) {
if (session.isDestinationInUse(destination)) {
throw new IllegalStateException("A consumer is consuming from the temporary destination");
}
}
tempDestinations.remove(destination);
destroyResource(destination);
} catch (Exception e) {
throw JmsExceptionSupport.create(e);
}
}
protected void checkClosedOrFailed() throws JMSException {
checkClosed();
if (failureCause.get() != null) {
throw new JmsConnectionFailedException(failureCause.get());
}
}
protected void checkConsumeFromTemporaryDestination(JmsTemporaryDestination destination) throws JMSException {
if (!this.equals(destination.getConnection())) {
throw new InvalidDestinationException("Can't consume from a temporary destination created using another connection");
}
}
protected boolean isTemporaryDestinationDeleted(JmsDestination destination) {
return !tempDestinations.containsKey(destination);
}
protected void checkClosed() throws IllegalStateException {
if (closed.get()) {
throw new IllegalStateException("The Connection is closed");
}
}
protected JmsSessionId getNextSessionId() {
return new JmsSessionId(connectionInfo.getId(), sessionIdGenerator.incrementAndGet());
}
protected JmsTransactionId getNextTransactionId() {
return new JmsTransactionId(connectionInfo.getId(), transactionIdGenerator.incrementAndGet());
}
protected synchronized boolean isExplicitClientID() {
return connectionInfo.isExplicitClientID();
}
//----- Provider interface methods ---------------------------------------//
void createResource(JmsResource resource) throws JMSException {
createResource(resource, null);
}
void createResource(JmsResource resource, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
requests.put(request, request);
try {
provider.create(resource, request);
request.sync();
} finally {
requests.remove(request);
}
} catch (Exception ex) {
throw JmsExceptionSupport.create(ex);
}
}
void startResource(JmsResource resource) throws JMSException {
startResource(resource, null);
}
void startResource(JmsResource resource, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
requests.put(request, request);
try {
provider.start(resource, request);
request.sync();
} finally {
requests.remove(request);
}
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
void stopResource(JmsResource resource) throws JMSException {
stopResource(resource, null);
}
void stopResource(JmsResource resource, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
requests.put(request, request);
try {
provider.stop(resource, request);
request.sync();
} finally {
requests.remove(request);
}
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
void destroyResource(JmsResource resource) throws JMSException {
destroyResource(resource, null);
}
void destroyResource(JmsResource resource, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
requests.put(request, request);
try {
provider.destroy(resource, request);
request.sync();
} finally {
requests.remove(request);
}
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
void send(JmsOutboundMessageDispatch envelope) throws JMSException {
send(envelope, null);
}
void send(JmsOutboundMessageDispatch envelope, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
requests.put(request, request);
try {
provider.send(envelope, request);
request.sync();
} finally {
requests.remove(request);
}
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
void acknowledge(JmsInboundMessageDispatch envelope, ACK_TYPE ackType) throws JMSException {
acknowledge(envelope, ackType, null);
}
void acknowledge(JmsInboundMessageDispatch envelope, ACK_TYPE ackType, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
provider.acknowledge(envelope, ackType, request);
request.sync();
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
void acknowledge(JmsSessionId sessionId, ACK_TYPE ackType) throws JMSException {
acknowledge(sessionId, ackType, null);
}
void acknowledge(JmsSessionId sessionId, ACK_TYPE ackType, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
provider.acknowledge(sessionId, ackType, request);
request.sync();
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
void unsubscribe(String name) throws JMSException {
unsubscribe(name, null);
}
void unsubscribe(String name, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
requests.put(request, request);
try {
provider.unsubscribe(name, request);
request.sync();
} finally {
requests.remove(request);
}
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
void commit(JmsTransactionInfo transactionInfo, JmsTransactionInfo nextTransactionId) throws JMSException {
commit(transactionInfo, nextTransactionId, null);
}
void commit(JmsTransactionInfo transactionInfo, JmsTransactionInfo nextTransactionId, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
requests.put(request, request);
try {
provider.commit(transactionInfo, nextTransactionId, request);
request.sync();
} finally {
requests.remove(request);
}
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
void rollback(JmsTransactionInfo transactionInfo, JmsTransactionInfo nextTransactionId) throws JMSException {
rollback(transactionInfo, nextTransactionId, null);
}
void rollback(JmsTransactionInfo transactionInfo, JmsTransactionInfo nextTransactionId, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
requests.put(request, request);
try {
provider.rollback(transactionInfo, nextTransactionId, request);
request.sync();
} finally {
requests.remove(request);
}
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
void recover(JmsSessionId sessionId) throws JMSException {
recover(sessionId, null);
}
void recover(JmsSessionId sessionId, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
requests.put(request, request);
try {
provider.recover(sessionId, request);
request.sync();
} finally {
requests.remove(request);
}
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
void pull(JmsConsumerId consumerId, long timeout) throws JMSException {
pull(consumerId, timeout, null);
}
void pull(JmsConsumerId consumerId, long timeout, ProviderSynchronization synchronization) throws JMSException {
checkClosedOrFailed();
try {
ProviderFuture request = new ProviderFuture(synchronization);
requests.put(request, request);
try {
provider.pull(consumerId, timeout, request);
request.sync();
} finally {
requests.remove(request);
}
} catch (Exception ioe) {
throw JmsExceptionSupport.create(ioe);
}
}
//----- Property setters and getters -------------------------------------//
@Override
public ExceptionListener getExceptionListener() throws JMSException {
checkClosedOrFailed();
return this.exceptionListener;
}
@Override
public void setExceptionListener(ExceptionListener listener) throws JMSException {
checkClosedOrFailed();
this.exceptionListener = listener;
}
/**
* Adds a JmsConnectionListener so that a client can be notified of events in
* the underlying connection and its state.
*
* @param listener
* the new listener to add to the collection.
*/
public void addConnectionListener(JmsConnectionListener listener) {
connectionListeners.add(listener);
}
/**
* Removes a JmsConnectionListener that was previously registered.
*
* @param listener
* the listener to remove from the collection.
*
* @return true if the given listener was removed from the current set.
*/
public boolean removeConnectionListener(JmsConnectionListener listener) {
return connectionListeners.remove(listener);
}
public boolean isForceAsyncSend() {
return connectionInfo.isForceAsyncSend();
}
public void setForceAsyncSend(boolean forceAsyncSend) {
connectionInfo.setForceAsyncSend(forceAsyncSend);
}
public boolean isForceSyncSend() {
return connectionInfo.isForceSyncSend();
}
public void setForceSyncSend(boolean alwaysSyncSend) {
connectionInfo.setForceSyncSend(alwaysSyncSend);
}
public String getTopicPrefix() {
return connectionInfo.getTopicPrefix();
}
public void setTopicPrefix(String topicPrefix) {
connectionInfo.setTopicPrefix(topicPrefix);
}
public String getQueuePrefix() {
return connectionInfo.getQueuePrefix();
}
public void setQueuePrefix(String queuePrefix) {
connectionInfo.setQueuePrefix(queuePrefix);
}
public boolean isValidatePropertyNames() {
return connectionInfo.isValidatePropertyNames();
}
public void setValidatePropertyNames(boolean validatePropertyNames) {
connectionInfo.setValidatePropertyNames(validatePropertyNames);
}
public JmsPrefetchPolicy getPrefetchPolicy() {
return connectionInfo.getPrefetchPolicy();
}
public void setPrefetchPolicy(JmsPrefetchPolicy prefetchPolicy) {
connectionInfo.setPrefetchPolicy(prefetchPolicy);
}
public JmsRedeliveryPolicy getRedeliveryPolicy() {
return connectionInfo.getRedeliveryPolicy();
}
public void setRedeliveryPolicy(JmsRedeliveryPolicy redeliveryPolicy) {
connectionInfo.setRedeliveryPolicy(redeliveryPolicy);
}
public JmsPresettlePolicy getPresettlePolicy() {
return connectionInfo.getPresettlePolicy();
}
public void setPresettlePolicy(JmsPresettlePolicy presettlePolicy) {
connectionInfo.setPresettlePolicy(presettlePolicy);
}
public JmsDeserializationPolicy getDeserializationPolicy() {
return connectionInfo.getDeserializationPolicy();
}
public void setDeserializationPolicy(JmsDeserializationPolicy deserializationPolicy) {
connectionInfo.setDeserializationPolicy(deserializationPolicy);
}
public boolean isReceiveLocalOnly() {
return connectionInfo.isReceiveLocalOnly();
}
public void setReceiveLocalOnly(boolean receiveLocalOnly) {
this.connectionInfo.setReceiveLocalOnly(receiveLocalOnly);
}
public boolean isReceiveNoWaitLocalOnly() {
return connectionInfo.isReceiveNoWaitLocalOnly();
}
public void setReceiveNoWaitLocalOnly(boolean receiveNoWaitLocalOnly) {
this.connectionInfo.setReceiveNoWaitLocalOnly(receiveNoWaitLocalOnly);
}
public boolean isLocalMessagePriority() {
return connectionInfo.isLocalMessagePriority();
}
public void setLocalMessagePriority(boolean localMessagePriority) {
this.connectionInfo.setLocalMessagePriority(localMessagePriority);
}
public long getCloseTimeout() {
return connectionInfo.getCloseTimeout();
}
public void setCloseTimeout(long closeTimeout) {
connectionInfo.setCloseTimeout(closeTimeout);
}
public long getConnectTimeout() {
return connectionInfo.getConnectTimeout();
}
public void setConnectTimeout(long connectTimeout) {
this.connectionInfo.setConnectTimeout(connectTimeout);
}
public long getSendTimeout() {
return connectionInfo.getSendTimeout();
}
public void setSendTimeout(long sendTimeout) {
connectionInfo.setSendTimeout(sendTimeout);
}
public long getRequestTimeout() {
return connectionInfo.getRequestTimeout();
}
public void setRequestTimeout(long requestTimeout) {
connectionInfo.setRequestTimeout(requestTimeout);
}
public URI getConfiguredURI() {
return connectionInfo.getConfiguredURI();
}
public URI getConnectedURI() {
return connectionInfo.getConnectedURI();
}
public String getUsername() {
return connectionInfo.getUsername();
}
byte[] getEncodedUsername() {
return connectionInfo.getEncodedUsername();
}
public String getPassword() {
return connectionInfo.getPassword();
}
public boolean isConnected() {
return connected.get();
}
public boolean isStarted() {
return started.get();
}
public boolean isClosed() {
return closed.get();
}
public boolean isFailed() {
return failureCause.get() != null;
}
public JmsConnectionId getId() {
return connectionInfo.getId();
}
public JmsMessageFactory getMessageFactory() {
if (messageFactory == null) {
throw new RuntimeException("Message factory should never be null");
}
return messageFactory;
}
void setMessageFactory(JmsMessageFactory factory) {
messageFactory = factory;
}
public boolean isForceAsyncAcks() {
return connectionInfo.isForceAsyncAcks();
}
public void setForceAsyncAcks(boolean forceAsyncAcks) {
connectionInfo.setForceAsyncAcks(forceAsyncAcks);
}
public boolean isLocalMessageExpiry() {
return connectionInfo.isLocalMessageExpiry();
}
public void setLocalMessageExpiry(boolean localMessageExpiry) {
connectionInfo.setLocalMessageExpiry(localMessageExpiry);
}
public JmsMessageIDPolicy getMessageIDPolicy() {
return connectionInfo.getMessageIDPolicy();
}
public void setMessageIDPolicy(JmsMessageIDPolicy messageIDPolicy) {
connectionInfo.setMessageIDPolicy(messageIDPolicy);
}
public boolean isPopulateJMSXUserID() {
return connectionInfo.isPopulateJMSXUserID();
}
public void setPopulateJMSXUserID(boolean populateJMSXUserID) {
connectionInfo.setPopulateJMSXUserID(populateJMSXUserID);
}
public boolean isUseDaemonThread() {
return connectionInfo.isUseDaemonThread();
}
//----- Async event handlers ---------------------------------------------//
@Override
public void onInboundMessage(final JmsInboundMessageDispatch envelope) {
JmsMessage incoming = envelope.getMessage();
if (incoming != null) {
// Ensure incoming Messages are in readonly mode.
incoming.setReadOnlyBody(true);
incoming.setReadOnlyProperties(true);
incoming.setValidatePropertyNames(isValidatePropertyNames());
}
JmsMessageDispatcher dispatcher = sessions.get(envelope.getConsumerId().getParentId());
if (dispatcher != null) {
dispatcher.onInboundMessage(envelope);
}
// Run the application callbacks on the connection executor to allow the provider to
// return to its normal processing without waiting for client level processing to finish.
if (!connectionListeners.isEmpty()) {
for (final JmsConnectionListener listener : connectionListeners) {
executor.submit(new Runnable() {
@Override
public void run() {
listener.onInboundMessage(envelope);
}
});
}
}
}
@Override
public void onCompletedMessageSend(JmsOutboundMessageDispatch envelope) {
JmsSession session = sessions.get(envelope.getProducerId().getParentId());
if (session != null) {
session.onCompletedMessageSend(envelope);
} else {
LOG.debug("No matching Session found for async send result");
}
}
@Override
public void onFailedMessageSend(JmsOutboundMessageDispatch envelope, Throwable cause) {
JmsSession session = sessions.get(envelope.getProducerId().getParentId());
if (session != null) {
session.onFailedMessageSend(envelope, cause);
} else {
LOG.debug("No matching Session found for failed async send result");
}
}
@Override
public void onConnectionInterrupted(final URI remoteURI) {
for (JmsSession session : sessions.values()) {
session.onConnectionInterrupted();
}
// Run the application callbacks on the connection executor to allow the provider to
// return to its normal processing without waiting for client level processing to finish.
for (final JmsConnectionListener listener : connectionListeners) {
executor.submit(new Runnable() {
@Override
public void run() {
listener.onConnectionInterrupted(remoteURI);
}
});
}
}
@Override
public void onConnectionRecovery(Provider provider) throws Exception {
LOG.debug("Connection {} is starting recovery.", connectionInfo.getId());
ProviderFuture request = new ProviderFuture();
provider.create(connectionInfo, request);
request.sync();
for (JmsTemporaryDestination tempDestination : tempDestinations.values()) {
request = new ProviderFuture();
provider.create(tempDestination, request);
request.sync();
}
for (JmsSession session : sessions.values()) {
session.onConnectionRecovery(provider);
}
}
@Override
public void onConnectionRecovered(Provider provider) throws Exception {
LOG.debug("Connection {} is finalizing recovery.", connectionInfo.getId());
setMessageFactory(provider.getMessageFactory());
connectionInfo.setConnectedURI(provider.getRemoteURI());
for (JmsSession session : sessions.values()) {
session.onConnectionRecovered(provider);
}
}
@Override
public void onConnectionRestored(final URI remoteURI) {
for (JmsSession session : sessions.values()) {
session.onConnectionRestored();
}
// Run the application callbacks on the connection executor to allow the provider to
// return to its normal processing without waiting for client level processing to finish.
for (final JmsConnectionListener listener : connectionListeners) {
executor.submit(new Runnable() {
@Override
public void run() {
listener.onConnectionRestored(remoteURI);
}
});
}
}
@Override
public void onConnectionEstablished(final URI remoteURI) {
LOG.info("Connection {} connected to remote Broker: {}", connectionInfo.getId(), remoteURI);
setMessageFactory(provider.getMessageFactory());
connectionInfo.setConnectedURI(provider.getRemoteURI());
// Run the application callbacks on the connection executor to allow the provider to
// return to its normal processing without waiting for client level processing to finish.
for (final JmsConnectionListener listener : connectionListeners) {
executor.submit(new Runnable() {
@Override
public void run() {
listener.onConnectionEstablished(remoteURI);
}
});
}
}
@Override
public void onConnectionFailure(final IOException ex) {
providerFailed(ex);
// Signal that connection dropped we need to mark transactions as
// failed, deliver failure events to asynchronous send completions etc.
for (JmsSession session : sessions.values()) {
session.onConnectionInterrupted();
}
onProviderException(ex);
for (AsyncResult request : requests.keySet()) {
try {
request.onFailure(ex);
} catch (Exception e) {
LOG.debug("Exception during request cleanup", e);
}
}
if (!closing.get() && !closed.get()) {
executor.execute(new Runnable() {
@Override
public void run() {
if (provider != null) {
try {
provider.close();
} catch (Throwable error) {
LOG.debug("Error while closing failed Provider: {}", error.getMessage());
}
}
for (AsyncResult request : requests.keySet()) {
try {
request.onFailure(ex);
} catch (Exception e) {
LOG.debug("Exception during request cleanup", e);
}
}
try {
shutdown(ex);
} catch (JMSException e) {
LOG.warn("Exception during connection cleanup, " + e, e);
}
for (JmsConnectionListener listener : connectionListeners) {
listener.onConnectionFailure(ex);
}
// Don't accept any more connection work but allow all pending work
// to complete in order to ensure notifications are sent to any blocked
// resources.
executor.shutdown();
}
});
}
}
@Override
public void onResourceClosed(final JmsResource resource, final Throwable cause) {
// Closure of the Connection itself is notified via onConnectionFailure
// Run on the connection executor to free the provider to go do more work and avoid
// any chance of a deadlock if the code ever looped back to the provider.
if (!closing.get() && !closed.get()) {
// Set the failure cause indicator now to more quickly reflect the correct
// state in the resource. The actual shutdown and clean will be done on the
// connection executor thread to avoid looping or stalling the provider thread.
if (resource instanceof JmsSessionInfo) {
JmsSession session = sessions.get(resource.getId());
if (session != null) {
session.setFailureCause(cause);
}
} else if (resource instanceof JmsProducerInfo) {
JmsSessionId parentId = ((JmsProducerInfo) resource).getParentId();
JmsSession session = sessions.get(parentId);
if (session != null) {
JmsMessageProducer producer = session.lookup((JmsProducerId) resource.getId());
if (producer != null) {
producer.setFailureCause(cause);
}
}
} else if (resource instanceof JmsConsumerInfo) {
JmsSessionId parentId = ((JmsConsumerInfo) resource).getParentId();
JmsSession session = sessions.get(parentId);
if (session != null) {
JmsMessageConsumer consumer = session.lookup((JmsConsumerId) resource.getId());
if (consumer != null) {
consumer.setFailureCause(cause);
}
}
}
executor.execute(new Runnable() {
@Override
public void run() {
if (resource instanceof JmsSessionInfo) {
JmsSession session = sessions.get(resource.getId());
if (session != null) {
session.sessionClosed(cause);
for (JmsConnectionListener listener : connectionListeners) {
listener.onSessionClosed(session, cause);
}
}
} else if (resource instanceof JmsProducerInfo) {
JmsSessionId parentId = ((JmsProducerInfo) resource).getParentId();
JmsSession session = sessions.get(parentId);
if (session != null) {
JmsMessageProducer producer = session.producerClosed((JmsProducerInfo) resource, cause);
if (producer != null) {
for (JmsConnectionListener listener : connectionListeners) {
listener.onProducerClosed(producer, cause);
}
}
}
} else if (resource instanceof JmsConsumerInfo) {
JmsSessionId parentId = ((JmsConsumerInfo) resource).getParentId();
JmsSession session = sessions.get(parentId);
if (session != null) {
JmsMessageConsumer consumer = session.consumerClosed((JmsConsumerInfo) resource, cause);
if (consumer != null) {
for (JmsConnectionListener listener : connectionListeners) {
listener.onConsumerClosed(consumer, cause);
}
}
}
} else {
LOG.info("A JMS resource has been remotely closed: {}", resource);
}
}
});
}
}
@Override
public void onProviderException(final Exception cause) {
// Report this to any registered exception listener, let the receiver
// decide if it should be fatal.
onAsyncException(cause);
}
/**
* Handles any asynchronous errors that occur from the JMS framework classes.
*
* If any listeners are registered they will be notified of the error from a thread
* in the Connection's Executor service.
*
* @param error
* The exception that triggered this error.
*/
public void onAsyncException(Throwable error) {
if (!closed.get() && !closing.get()) {
if (this.exceptionListener != null) {
final JMSException jmsError = JmsExceptionSupport.create(error);
executor.execute(new Runnable() {
@Override
public void run() {
JmsConnection.this.exceptionListener.onException(jmsError);
}
});
} else {
LOG.debug("Async exception with no exception listener: {}", error, error);
}
}
}
protected void providerFailed(IOException cause) {
failureCause.compareAndSet(null, cause);
}
}
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