protected void doStart() throws MuleException {
try {
workManager.start();
workManager.scheduleWork(this, WorkManager.INDEFINITE, null, this);
} catch (Exception e) {
throw new LifecycleException(CoreMessages.failedToStart("Service: " + name), e, this);
}
}
protected void doDispose() {
queue = null;
// threadPool.awaitTerminationAfterShutdown();
if (workManager != null) {
workManager.dispose();
}
}
protected void doStop() throws MuleException {
if (muleContext.getQueueManager().getQueueSession().getQueue(name).size() > 0) {
try {
stopping.whenFalse(null);
} catch (InterruptedException e) {
// we can ignore this
// TODO MULE-863: Why?
}
}
workManager.dispose();
}
protected void doStop() throws MuleException {
if (queue != null && queue.size() > 0) {
try {
stopping.whenFalse(null);
} catch (InterruptedException e) {
// we can ignore this
// TODO MULE-863: Why?
}
}
workManager.dispose();
}
public synchronized void dispose() {
if (isDisposed()) {
return;
}
ServerNotificationManager notificationManager = getNotificationManager();
lifecycleManager.checkPhase(Disposable.PHASE_NAME);
fireNotification(new MuleContextNotification(this, MuleContextNotification.CONTEXT_DISPOSING));
try {
if (isStarted()) {
stop();
}
} catch (MuleException e) {
logger.error("Failed to stop manager: " + e.getMessage(), e);
}
try {
lifecycleManager.firePhase(this, Disposable.PHASE_NAME);
// Dispose internal registries
registryBroker.dispose();
} catch (Exception e) {
logger.debug("Failed to cleanly dispose Mule: " + e.getMessage(), e);
}
notificationManager.fireNotification(
new MuleContextNotification(this, MuleContextNotification.CONTEXT_DISPOSED));
notificationManager.dispose();
workManager.dispose();
if ((getStartDate() > 0) && logger.isInfoEnabled()) {
SplashScreen splashScreen = SplashScreen.getInstance(ServerShutdownSplashScreen.class);
splashScreen.setHeader(this);
logger.info(splashScreen.toString());
}
// SplashScreen holds static variables which need to be cleared in case we restart the server.
SplashScreen.dispose();
}
public synchronized void initialise() throws InitialisationException {
if (isInitialised()) {
return;
}
lifecycleManager.checkPhase(Initialisable.PHASE_NAME);
if (getNotificationManager() == null) {
throw new MuleRuntimeException(
CoreMessages.objectIsNull(MuleProperties.OBJECT_NOTIFICATION_MANAGER));
}
if (workManager == null) {
throw new MuleRuntimeException(CoreMessages.objectIsNull("workManager"));
}
try {
registryBroker = createRegistryBroker();
muleRegistryHelper = createRegistryHelper(registryBroker);
// Initialize internal registries
registryBroker.initialise();
// We need to start the work manager straight away since we need it to fire notifications
workManager.start();
getNotificationManager().start(workManager, workListener);
fireNotification(
new MuleContextNotification(this, MuleContextNotification.CONTEXT_INITIALISING));
lifecycleManager.firePhase(this, Initialisable.PHASE_NAME);
fireNotification(
new MuleContextNotification(this, MuleContextNotification.CONTEXT_INITIALISED));
} catch (Exception e) {
throw new InitialisationException(e, this);
}
}
/**
* While the service isn't stopped this runs a continuous loop checking for new events in the
* queue.
*/
public void run() {
DefaultMuleEvent event = null;
QueueSession queueSession = muleContext.getQueueManager().getQueueSession();
while (!stopped.get()) {
try {
// Wait if the service is paused
paused.whenFalse(null);
// If we're doing a draining stop, read all events from the queue
// before stopping
if (stopping.get()) {
if (queueSession == null || getQueueSize() <= 0) {
stopping.set(false);
break;
}
}
event = (DefaultMuleEvent) dequeue();
if (event != null) {
if (stats.isEnabled()) {
stats.decQueuedEvent();
}
if (logger.isDebugEnabled()) {
logger.debug(
"Service: " + name + " dequeued event on: " + event.getEndpoint().getEndpointURI());
}
workManager.scheduleWork(
new ComponentStageWorker(event), WorkManager.INDEFINITE, null, this);
}
} catch (Exception e) {
if (isStopped() || isStopping()) {
break;
}
if (e instanceof InterruptedException) {
stopping.set(false);
break;
} else if (e instanceof NoSuchElementException) {
handleException(
new ServiceException(
CoreMessages.proxyPoolTimedOut(),
(event == null ? null : event.getMessage()),
this,
e));
} else if (e instanceof MuleException) {
handleException(e);
} else if (e instanceof WorkException) {
handleException(
new ServiceException(
CoreMessages.eventProcessingFailedFor(name),
(event == null ? null : event.getMessage()),
this,
e));
} else {
handleException(
new ServiceException(
CoreMessages.failedToGetPooledObject(),
(event == null ? null : event.getMessage()),
this,
e));
}
} finally {
stopping.set(false);
}
}
}
/**
* While the service isn't stopped this runs a continuous loop checking for new events in the
* queue.
*/
public void run() {
DefaultMuleEvent event = null;
QueueSession queueSession = muleContext.getQueueManager().getQueueSession();
while (!stopped.get()) {
try {
// Wait if the service is paused
if (paused.get()) {
paused.whenFalse(null);
// If service is resumed as part of stopping
if (stopping.get()) {
if (!queueProfile.isPersistent() && (queueSession != null && getQueueSize() > 0)) {
// Any messages in a non-persistent queue went paused service is stopped are lost
logger.warn(
CoreMessages.stopPausedSedaServiceNonPeristentQueueMessageLoss(
getQueueSize(), this));
}
stopping.set(false);
break;
}
}
// If we're doing a draining stop, read all events from the queue
// before stopping
if (stopping.get()) {
if (queueProfile.isPersistent() || (queueSession == null || getQueueSize() <= 0)) {
stopping.set(false);
break;
}
}
if (stats.isEnabled()) {
synchronized (queueStatsGuard) {
event = (DefaultMuleEvent) dequeue();
if (event != null) {
stats.decQueuedEvent();
}
}
} else {
// just dequeue without any hit for synchronization
event = (DefaultMuleEvent) dequeue();
}
if (event != null) {
if (logger.isDebugEnabled()) {
logger.debug(
MessageFormat.format(
"Service: {0} dequeued event on: {1}",
name, event.getEndpoint().getEndpointURI()));
}
workManager.scheduleWork(
new ComponentStageWorker(event), WorkManager.INDEFINITE, null, this);
}
} catch (Exception e) {
if (e instanceof InterruptedException) {
stopping.set(false);
break;
}
if (e instanceof MuleException) {
handleException(e);
} else {
handleException(
new ServiceException(
CoreMessages.eventProcessingFailedFor(name),
(event == null ? null : event.getMessage()),
this,
e));
}
}
}
}
