/** Teardown the activation */
protected synchronized void teardown() {
HornetQRALogger.LOGGER.debug("Tearing down " + spec);
if (resourceRecovery != null) {
ra.getRecoveryManager().unRegister(resourceRecovery);
}
for (HornetQMessageHandler handler : handlers) {
handler.interruptConsumer();
}
Thread threadTearDown =
new Thread("TearDown/HornetQActivation") {
public void run() {
for (HornetQMessageHandler handler : handlers) {
handler.teardown();
}
}
};
// We will first start a new thread that will call tearDown on all the instances, trying to
// graciously shutdown everything.
// We will then use the call-timeout to determine a timeout.
// if that failed we will then close the connection factory, and interrupt the thread
threadTearDown.start();
try {
threadTearDown.join(factory.getCallTimeout());
} catch (InterruptedException e) {
// nothing to be done on this context.. we will just keep going as we need to send an
// interrupt to threadTearDown and give up
}
if (threadTearDown.isAlive()) {
if (factory != null) {
// This will interrupt any threads waiting on reconnect
factory.close();
factory = null;
}
threadTearDown.interrupt();
try {
threadTearDown.join(5000);
} catch (InterruptedException e) {
// nothing to be done here.. we are going down anyways
}
if (threadTearDown.isAlive()) {
HornetQRALogger.LOGGER.warn("Thread " + threadTearDown + " couldn't be finished");
}
}
if (spec.isHasBeenUpdated() && factory != null) {
factory.close();
factory = null;
}
HornetQRALogger.LOGGER.debug("Tearing down complete " + this);
}
/**
* Setup the activation
*
* @throws Exception Thrown if an error occurs
*/
protected synchronized void setup() throws Exception {
HornetQRALogger.LOGGER.debug("Setting up " + spec);
setupCF();
setupDestination();
for (int i = 0; i < spec.getMaxSession(); i++) {
ClientSession session = null;
try {
ClientSessionFactory cf = factory.getServerLocator().createSessionFactory();
session = setupSession(cf);
HornetQMessageHandler handler =
new HornetQMessageHandler(this, ra.getTM(), (ClientSessionInternal) session, cf, i);
handler.setup();
session.start();
handlers.add(handler);
} catch (Exception e) {
if (session != null) {
session.close();
}
throw e;
}
}
resourceRecovery =
ra.getRecoveryManager().register(factory, spec.getUser(), spec.getPassword());
HornetQRALogger.LOGGER.debug("Setup complete " + this);
}
/**
* Is the destination a topic
*
* @return The value
*/
public boolean isTopic() {
if (HornetQActivation.trace) {
HornetQRALogger.LOGGER.trace("isTopic()");
}
return isTopic;
}
/**
* Start the activation
*
* @throws ResourceException Thrown if an error occurs
*/
public void start() throws ResourceException {
if (HornetQActivation.trace) {
HornetQRALogger.LOGGER.trace("start()");
}
deliveryActive.set(true);
ra.getWorkManager().scheduleWork(new SetupActivation());
}
/**
* Get the work manager
*
* @return The value
*/
public WorkManager getWorkManager() {
if (HornetQActivation.trace) {
HornetQRALogger.LOGGER.trace("getWorkManager()");
}
return ra.getWorkManager();
}
/**
* Get whether delivery is transacted
*
* @return The value
*/
public boolean isDeliveryTransacted() {
if (HornetQActivation.trace) {
HornetQRALogger.LOGGER.trace("isDeliveryTransacted()");
}
return isDeliveryTransacted;
}
/**
* Get the message endpoint factory
*
* @return The value
*/
public MessageEndpointFactory getMessageEndpointFactory() {
if (HornetQActivation.trace) {
HornetQRALogger.LOGGER.trace("getMessageEndpointFactory()");
}
return endpointFactory;
}
/**
* Get the activation spec
*
* @return The value
*/
public HornetQActivationSpec getActivationSpec() {
if (HornetQActivation.trace) {
HornetQRALogger.LOGGER.trace("getActivationSpec()");
}
return spec;
}
/**
* Constructor
*
* @param ra The resource adapter
* @param endpointFactory The endpoint factory
* @param spec The activation spec
* @throws ResourceException Thrown if an error occurs
*/
public HornetQActivation(
final HornetQResourceAdapter ra,
final MessageEndpointFactory endpointFactory,
final HornetQActivationSpec spec)
throws ResourceException {
spec.validate();
if (HornetQActivation.trace) {
HornetQRALogger.LOGGER.trace(
"constructor(" + ra + ", " + endpointFactory + ", " + spec + ")");
}
if (ra.isUseMaskedPassword()) {
String pass = spec.getOwnPassword();
if (pass != null) {
SensitiveDataCodec<String> codec = ra.getCodecInstance();
try {
spec.setPassword(codec.decode(pass));
} catch (Exception e) {
throw new ResourceException(e);
}
}
}
this.ra = ra;
this.endpointFactory = endpointFactory;
this.spec = spec;
try {
isDeliveryTransacted = endpointFactory.isDeliveryTransacted(HornetQActivation.ONMESSAGE);
} catch (Exception e) {
throw new ResourceException(e);
}
}
/** Stop the activation */
public void stop() {
if (HornetQActivation.trace) {
HornetQRALogger.LOGGER.trace("stop()");
}
deliveryActive.set(false);
teardown();
}
/**
* Setup a session
*
* @param cf
* @return The connection
* @throws Exception Thrown if an error occurs
*/
protected ClientSession setupSession(ClientSessionFactory cf) throws Exception {
ClientSession result = null;
try {
result =
ra.createSession(
cf,
spec.getAcknowledgeModeInt(),
spec.getUser(),
spec.getPassword(),
ra.getPreAcknowledge(),
ra.getDupsOKBatchSize(),
ra.getTransactionBatchSize(),
isDeliveryTransacted,
spec.isUseLocalTx(),
spec.getTransactionTimeout());
result.addMetaData("resource-adapter", "inbound");
result.addMetaData("jms-session", "");
String clientID = ra.getClientID() == null ? spec.getClientID() : ra.getClientID();
if (clientID != null) {
result.addMetaData("jms-client-id", clientID);
}
HornetQRALogger.LOGGER.debug("Using queue connection " + result);
return result;
} catch (Throwable t) {
try {
if (result != null) {
result.close();
}
} catch (Exception e) {
HornetQRALogger.LOGGER.trace("Ignored error closing connection", e);
}
if (t instanceof Exception) {
throw (Exception) t;
}
throw new RuntimeException("Error configuring connection", t);
}
}
/** * The activation. * * @author <a href="*****@*****.**">Adrian Brock</a> * @author <a href="*****@*****.**">Jesper Pedersen</a> * @author <a href="mailto:[email protected]">Andy Taylor</a> */ public class HornetQActivation { /** Trace enabled */ private static boolean trace = HornetQRALogger.LOGGER.isTraceEnabled(); /** The onMessage method */ public static final Method ONMESSAGE; /** The resource adapter */ private final HornetQResourceAdapter ra; /** The activation spec */ private final HornetQActivationSpec spec; /** The message endpoint factory */ private final MessageEndpointFactory endpointFactory; /** Whether delivery is active */ private final AtomicBoolean deliveryActive = new AtomicBoolean(false); /** The destination type */ private boolean isTopic = false; /** Is the delivery transacted */ private boolean isDeliveryTransacted; private HornetQDestination destination; /** The name of the temporary subscription name that all the sessions will share */ private SimpleString topicTemporaryQueue; private final List<HornetQMessageHandler> handlers = new ArrayList<HornetQMessageHandler>(); private HornetQConnectionFactory factory; // Whether we are in the failure recovery loop private final AtomicBoolean inFailure = new AtomicBoolean(false); private XARecoveryConfig resourceRecovery; static { try { ONMESSAGE = MessageListener.class.getMethod("onMessage", new Class[] {Message.class}); } catch (Exception e) { throw new RuntimeException(e); } } /** * Constructor * * @param ra The resource adapter * @param endpointFactory The endpoint factory * @param spec The activation spec * @throws ResourceException Thrown if an error occurs */ public HornetQActivation( final HornetQResourceAdapter ra, final MessageEndpointFactory endpointFactory, final HornetQActivationSpec spec) throws ResourceException { spec.validate(); if (HornetQActivation.trace) { HornetQRALogger.LOGGER.trace( "constructor(" + ra + ", " + endpointFactory + ", " + spec + ")"); } if (ra.isUseMaskedPassword()) { String pass = spec.getOwnPassword(); if (pass != null) { SensitiveDataCodec<String> codec = ra.getCodecInstance(); try { spec.setPassword(codec.decode(pass)); } catch (Exception e) { throw new ResourceException(e); } } } this.ra = ra; this.endpointFactory = endpointFactory; this.spec = spec; try { isDeliveryTransacted = endpointFactory.isDeliveryTransacted(HornetQActivation.ONMESSAGE); } catch (Exception e) { throw new ResourceException(e); } } /** * Get the activation spec * * @return The value */ public HornetQActivationSpec getActivationSpec() { if (HornetQActivation.trace) { HornetQRALogger.LOGGER.trace("getActivationSpec()"); } return spec; } /** * Get the message endpoint factory * * @return The value */ public MessageEndpointFactory getMessageEndpointFactory() { if (HornetQActivation.trace) { HornetQRALogger.LOGGER.trace("getMessageEndpointFactory()"); } return endpointFactory; } /** * Get whether delivery is transacted * * @return The value */ public boolean isDeliveryTransacted() { if (HornetQActivation.trace) { HornetQRALogger.LOGGER.trace("isDeliveryTransacted()"); } return isDeliveryTransacted; } /** * Get the work manager * * @return The value */ public WorkManager getWorkManager() { if (HornetQActivation.trace) { HornetQRALogger.LOGGER.trace("getWorkManager()"); } return ra.getWorkManager(); } /** * Is the destination a topic * * @return The value */ public boolean isTopic() { if (HornetQActivation.trace) { HornetQRALogger.LOGGER.trace("isTopic()"); } return isTopic; } /** * Start the activation * * @throws ResourceException Thrown if an error occurs */ public void start() throws ResourceException { if (HornetQActivation.trace) { HornetQRALogger.LOGGER.trace("start()"); } deliveryActive.set(true); ra.getWorkManager().scheduleWork(new SetupActivation()); } /** @return the topicTemporaryQueue */ public SimpleString getTopicTemporaryQueue() { return topicTemporaryQueue; } /** @param topicTemporaryQueue the topicTemporaryQueue to set */ public void setTopicTemporaryQueue(SimpleString topicTemporaryQueue) { this.topicTemporaryQueue = topicTemporaryQueue; } /** Stop the activation */ public void stop() { if (HornetQActivation.trace) { HornetQRALogger.LOGGER.trace("stop()"); } deliveryActive.set(false); teardown(); } /** * Setup the activation * * @throws Exception Thrown if an error occurs */ protected synchronized void setup() throws Exception { HornetQRALogger.LOGGER.debug("Setting up " + spec); setupCF(); setupDestination(); for (int i = 0; i < spec.getMaxSession(); i++) { ClientSession session = null; try { ClientSessionFactory cf = factory.getServerLocator().createSessionFactory(); session = setupSession(cf); HornetQMessageHandler handler = new HornetQMessageHandler(this, ra.getTM(), (ClientSessionInternal) session, cf, i); handler.setup(); session.start(); handlers.add(handler); } catch (Exception e) { if (session != null) { session.close(); } throw e; } } resourceRecovery = ra.getRecoveryManager().register(factory, spec.getUser(), spec.getPassword()); HornetQRALogger.LOGGER.debug("Setup complete " + this); } /** Teardown the activation */ protected synchronized void teardown() { HornetQRALogger.LOGGER.debug("Tearing down " + spec); if (resourceRecovery != null) { ra.getRecoveryManager().unRegister(resourceRecovery); } for (HornetQMessageHandler handler : handlers) { handler.interruptConsumer(); } Thread threadTearDown = new Thread("TearDown/HornetQActivation") { public void run() { for (HornetQMessageHandler handler : handlers) { handler.teardown(); } } }; // We will first start a new thread that will call tearDown on all the instances, trying to // graciously shutdown everything. // We will then use the call-timeout to determine a timeout. // if that failed we will then close the connection factory, and interrupt the thread threadTearDown.start(); try { threadTearDown.join(factory.getCallTimeout()); } catch (InterruptedException e) { // nothing to be done on this context.. we will just keep going as we need to send an // interrupt to threadTearDown and give up } if (threadTearDown.isAlive()) { if (factory != null) { // This will interrupt any threads waiting on reconnect factory.close(); factory = null; } threadTearDown.interrupt(); try { threadTearDown.join(5000); } catch (InterruptedException e) { // nothing to be done here.. we are going down anyways } if (threadTearDown.isAlive()) { HornetQRALogger.LOGGER.warn("Thread " + threadTearDown + " couldn't be finished"); } } if (spec.isHasBeenUpdated() && factory != null) { factory.close(); factory = null; } HornetQRALogger.LOGGER.debug("Tearing down complete " + this); } protected void setupCF() throws Exception { if (spec.isHasBeenUpdated()) { factory = ra.createHornetQConnectionFactory(spec); } else { factory = ra.getDefaultHornetQConnectionFactory(); } } /** * Setup a session * * @param cf * @return The connection * @throws Exception Thrown if an error occurs */ protected ClientSession setupSession(ClientSessionFactory cf) throws Exception { ClientSession result = null; try { result = ra.createSession( cf, spec.getAcknowledgeModeInt(), spec.getUser(), spec.getPassword(), ra.getPreAcknowledge(), ra.getDupsOKBatchSize(), ra.getTransactionBatchSize(), isDeliveryTransacted, spec.isUseLocalTx(), spec.getTransactionTimeout()); result.addMetaData("resource-adapter", "inbound"); result.addMetaData("jms-session", ""); String clientID = ra.getClientID() == null ? spec.getClientID() : ra.getClientID(); if (clientID != null) { result.addMetaData("jms-client-id", clientID); } HornetQRALogger.LOGGER.debug("Using queue connection " + result); return result; } catch (Throwable t) { try { if (result != null) { result.close(); } } catch (Exception e) { HornetQRALogger.LOGGER.trace("Ignored error closing connection", e); } if (t instanceof Exception) { throw (Exception) t; } throw new RuntimeException("Error configuring connection", t); } } public SimpleString getAddress() { return destination.getSimpleAddress(); } protected void setupDestination() throws Exception { String destinationName = spec.getDestination(); if (spec.isUseJNDI()) { Context ctx; if (spec.getParsedJndiParams() == null) { ctx = new InitialContext(); } else { ctx = new InitialContext(spec.getParsedJndiParams()); } HornetQRALogger.LOGGER.debug("Using context " + ctx.getEnvironment() + " for " + spec); if (HornetQActivation.trace) { HornetQRALogger.LOGGER.trace("setupDestination(" + ctx + ")"); } String destinationTypeString = spec.getDestinationType(); if (destinationTypeString != null && !destinationTypeString.trim().equals("")) { HornetQRALogger.LOGGER.debug("Destination type defined as " + destinationTypeString); Class<?> destinationType; if (Topic.class.getName().equals(destinationTypeString)) { destinationType = Topic.class; isTopic = true; } else { destinationType = Queue.class; } HornetQRALogger.LOGGER.debug( "Retrieving " + destinationType.getName() + " \"" + destinationName + "\" from JNDI"); try { destination = (HornetQDestination) HornetQRaUtils.lookup(ctx, destinationName, destinationType); } catch (Exception e) { if (destinationName == null) { throw HornetQRABundle.BUNDLE.noDestinationName(); } String calculatedDestinationName = destinationName.substring(destinationName.lastIndexOf('/') + 1); HornetQRALogger.LOGGER.debug( "Unable to retrieve " + destinationName + " from JNDI. Creating a new " + destinationType.getName() + " named " + calculatedDestinationName + " to be used by the MDB."); // If there is no binding on naming, we will just create a new instance if (isTopic) { destination = (HornetQDestination) HornetQJMSClient.createTopic(calculatedDestinationName); } else { destination = (HornetQDestination) HornetQJMSClient.createQueue(calculatedDestinationName); } } } else { HornetQRALogger.LOGGER.debug( "Destination type not defined in MDB activation configuration."); HornetQRALogger.LOGGER.debug( "Retrieving " + Destination.class.getName() + " \"" + destinationName + "\" from JNDI"); destination = (HornetQDestination) HornetQRaUtils.lookup(ctx, destinationName, Destination.class); if (destination instanceof Topic) { isTopic = true; } } } else { HornetQRALogger.LOGGER.instantiatingDestination( spec.getDestinationType(), spec.getDestination()); if (Topic.class.getName().equals(spec.getDestinationType())) { destination = (HornetQDestination) HornetQJMSClient.createTopic(spec.getDestination()); isTopic = true; } else { destination = (HornetQDestination) HornetQJMSClient.createQueue(spec.getDestination()); } } } /** * Get a string representation * * @return The value */ @Override public String toString() { StringBuffer buffer = new StringBuffer(); buffer.append(HornetQActivation.class.getName()).append('('); buffer.append("spec=").append(spec.getClass().getName()); buffer.append(" mepf=").append(endpointFactory.getClass().getName()); buffer.append(" active=").append(deliveryActive.get()); if (spec.getDestination() != null) { buffer.append(" destination=").append(spec.getDestination()); } buffer.append(" transacted=").append(isDeliveryTransacted); buffer.append(')'); return buffer.toString(); } /** * Handles any failure by trying to reconnect * * @param failure the reason for the failure */ public void handleFailure(Throwable failure) { if (failure instanceof HornetQException && ((HornetQException) failure).getType() == HornetQExceptionType.QUEUE_DOES_NOT_EXIST) { HornetQRALogger.LOGGER.awaitingTopicQueueCreation(getActivationSpec().getDestination()); } else if (failure instanceof HornetQException && ((HornetQException) failure).getType() == HornetQExceptionType.NOT_CONNECTED) { HornetQRALogger.LOGGER.awaitingJMSServerCreation(); } else { HornetQRALogger.LOGGER.failureInActivation(failure, spec); } int reconnectCount = 0; int setupAttempts = spec.getSetupAttempts(); long setupInterval = spec.getSetupInterval(); // Only enter the failure loop once if (inFailure.getAndSet(true)) return; try { Throwable lastException = failure; while (deliveryActive.get() && (setupAttempts == -1 || reconnectCount < setupAttempts)) { teardown(); try { Thread.sleep(setupInterval); } catch (InterruptedException e) { HornetQRALogger.LOGGER.debug("Interrupted trying to reconnect " + spec, e); break; } if (reconnectCount < 1) { HornetQRALogger.LOGGER.attemptingReconnect(spec); } try { setup(); HornetQRALogger.LOGGER.reconnected(); break; } catch (Throwable t) { if (failure instanceof HornetQException && ((HornetQException) failure).getType() == HornetQExceptionType.QUEUE_DOES_NOT_EXIST) { if (lastException == null || !(t instanceof HornetQNonExistentQueueException)) { lastException = t; HornetQRALogger.LOGGER.awaitingTopicQueueCreation( getActivationSpec().getDestination()); } } else if (failure instanceof HornetQException && ((HornetQException) failure).getType() == HornetQExceptionType.NOT_CONNECTED) { if (lastException == null || !(t instanceof HornetQNotConnectedException)) { lastException = t; HornetQRALogger.LOGGER.awaitingJMSServerCreation(); } } else { HornetQRALogger.LOGGER.errorReconnecting(t, spec); } } ++reconnectCount; } } finally { // Leaving failure recovery loop inFailure.set(false); } } public HornetQConnectionFactory getConnectionFactory() { return this.factory; } /** Handles the setup */ private class SetupActivation implements Work { public void run() { try { setup(); } catch (Throwable t) { handleFailure(t); } } public void release() {} } }
/**
* Handles any failure by trying to reconnect
*
* @param failure the reason for the failure
*/
public void handleFailure(Throwable failure) {
if (failure instanceof HornetQException
&& ((HornetQException) failure).getType() == HornetQExceptionType.QUEUE_DOES_NOT_EXIST) {
HornetQRALogger.LOGGER.awaitingTopicQueueCreation(getActivationSpec().getDestination());
} else if (failure instanceof HornetQException
&& ((HornetQException) failure).getType() == HornetQExceptionType.NOT_CONNECTED) {
HornetQRALogger.LOGGER.awaitingJMSServerCreation();
} else {
HornetQRALogger.LOGGER.failureInActivation(failure, spec);
}
int reconnectCount = 0;
int setupAttempts = spec.getSetupAttempts();
long setupInterval = spec.getSetupInterval();
// Only enter the failure loop once
if (inFailure.getAndSet(true)) return;
try {
Throwable lastException = failure;
while (deliveryActive.get() && (setupAttempts == -1 || reconnectCount < setupAttempts)) {
teardown();
try {
Thread.sleep(setupInterval);
} catch (InterruptedException e) {
HornetQRALogger.LOGGER.debug("Interrupted trying to reconnect " + spec, e);
break;
}
if (reconnectCount < 1) {
HornetQRALogger.LOGGER.attemptingReconnect(spec);
}
try {
setup();
HornetQRALogger.LOGGER.reconnected();
break;
} catch (Throwable t) {
if (failure instanceof HornetQException
&& ((HornetQException) failure).getType()
== HornetQExceptionType.QUEUE_DOES_NOT_EXIST) {
if (lastException == null || !(t instanceof HornetQNonExistentQueueException)) {
lastException = t;
HornetQRALogger.LOGGER.awaitingTopicQueueCreation(
getActivationSpec().getDestination());
}
} else if (failure instanceof HornetQException
&& ((HornetQException) failure).getType() == HornetQExceptionType.NOT_CONNECTED) {
if (lastException == null || !(t instanceof HornetQNotConnectedException)) {
lastException = t;
HornetQRALogger.LOGGER.awaitingJMSServerCreation();
}
} else {
HornetQRALogger.LOGGER.errorReconnecting(t, spec);
}
}
++reconnectCount;
}
} finally {
// Leaving failure recovery loop
inFailure.set(false);
}
}
protected void setupDestination() throws Exception {
String destinationName = spec.getDestination();
if (spec.isUseJNDI()) {
Context ctx;
if (spec.getParsedJndiParams() == null) {
ctx = new InitialContext();
} else {
ctx = new InitialContext(spec.getParsedJndiParams());
}
HornetQRALogger.LOGGER.debug("Using context " + ctx.getEnvironment() + " for " + spec);
if (HornetQActivation.trace) {
HornetQRALogger.LOGGER.trace("setupDestination(" + ctx + ")");
}
String destinationTypeString = spec.getDestinationType();
if (destinationTypeString != null && !destinationTypeString.trim().equals("")) {
HornetQRALogger.LOGGER.debug("Destination type defined as " + destinationTypeString);
Class<?> destinationType;
if (Topic.class.getName().equals(destinationTypeString)) {
destinationType = Topic.class;
isTopic = true;
} else {
destinationType = Queue.class;
}
HornetQRALogger.LOGGER.debug(
"Retrieving " + destinationType.getName() + " \"" + destinationName + "\" from JNDI");
try {
destination =
(HornetQDestination) HornetQRaUtils.lookup(ctx, destinationName, destinationType);
} catch (Exception e) {
if (destinationName == null) {
throw HornetQRABundle.BUNDLE.noDestinationName();
}
String calculatedDestinationName =
destinationName.substring(destinationName.lastIndexOf('/') + 1);
HornetQRALogger.LOGGER.debug(
"Unable to retrieve "
+ destinationName
+ " from JNDI. Creating a new "
+ destinationType.getName()
+ " named "
+ calculatedDestinationName
+ " to be used by the MDB.");
// If there is no binding on naming, we will just create a new instance
if (isTopic) {
destination =
(HornetQDestination) HornetQJMSClient.createTopic(calculatedDestinationName);
} else {
destination =
(HornetQDestination) HornetQJMSClient.createQueue(calculatedDestinationName);
}
}
} else {
HornetQRALogger.LOGGER.debug(
"Destination type not defined in MDB activation configuration.");
HornetQRALogger.LOGGER.debug(
"Retrieving " + Destination.class.getName() + " \"" + destinationName + "\" from JNDI");
destination =
(HornetQDestination) HornetQRaUtils.lookup(ctx, destinationName, Destination.class);
if (destination instanceof Topic) {
isTopic = true;
}
}
} else {
HornetQRALogger.LOGGER.instantiatingDestination(
spec.getDestinationType(), spec.getDestination());
if (Topic.class.getName().equals(spec.getDestinationType())) {
destination = (HornetQDestination) HornetQJMSClient.createTopic(spec.getDestination());
isTopic = true;
} else {
destination = (HornetQDestination) HornetQJMSClient.createQueue(spec.getDestination());
}
}
}