// This method is used when the service invoked synchronously. It should really
// be used independantly of if the service is invoked synchronously when we are
// using an out-only outbound message exchange pattern
protected MuleMessage sendToOutboundRouter(MuleEvent event, MuleMessage result)
throws MessagingException {
if (event.isStopFurtherProcessing()) {
logger.debug(
"MuleEvent stop further processing has been set, no outbound routing will be performed.");
}
if (result != null
&& !event.isStopFurtherProcessing()
&& !(result.getPayload() instanceof NullPayload)) {
if (getOutboundRouter().hasEndpoints()) {
// Here we need to use a copy of the message instance because there
// is an inbound response so that transformers executed as part of
// the outbound phase do not affect the inbound response. MULE-3307
if (stats.isEnabled()) {
stats.incSentEventSync();
}
MuleMessage outboundReturnMessage =
getOutboundRouter()
.route(new DefaultMuleMessage(result.getPayload(), result), event.getSession());
if (outboundReturnMessage != null) {
result = outboundReturnMessage;
}
} else {
logger.debug(
"Outbound router on service '"
+ getName()
+ "' doesn't have any endpoints configured.");
}
}
return result;
}
public void dispatchEvent(MuleEvent event) throws MuleException {
if (stopping.get() || stopped.get()) {
throw new ServiceException(CoreMessages.componentIsStopped(name), event.getMessage(), this);
}
// Dispatching event to an inbound endpoint
// in the DefaultMuleSession#dispatchEvent
ImmutableEndpoint endpoint = event.getEndpoint();
if (endpoint instanceof OutboundEndpoint) {
try {
((OutboundEndpoint) endpoint).dispatch(event);
} catch (Exception e) {
throw new DispatchException(event.getMessage(), event.getEndpoint(), e);
}
return;
}
if (logger.isDebugEnabled()) {
logger.debug(
"Service: "
+ name
+ " has received asynchronous event on: "
+ event.getEndpoint().getEndpointURI());
}
// Dispatching event to the service
if (stats.isEnabled()) {
stats.incReceivedEventASync();
}
doDispatch(event);
}
/**
* Initialise the service. The service will first create a Mule UMO from the UMODescriptor and
* then initialise a pool based on the attributes in the UMODescriptor.
*
* @throws org.mule.api.lifecycle.InitialisationException if the service fails to initialise
*/
public final synchronized void initialise() throws InitialisationException {
if (initialised.get()) {
throw new InitialisationException(
CoreMessages.objectAlreadyInitialised("Service '" + name + "'"), this);
}
// Ensure Component has service instance and is initialised. If the component
// was configured with spring and is therefore in the registry it will get
// started automatically, if it was set on the service directly then it won't
// be started automatically. So to be sure we start it here.
component.setService(this);
component.initialise();
if (inboundRouter == null) {
// Create Default routes that route to the default inbound and
// outbound endpoints
inboundRouter = new DefaultInboundRouterCollection();
// TODO MULE-2102 This should be configured in the default template.
inboundRouter.addRouter(new InboundPassThroughRouter());
}
if (outboundRouter == null) {
outboundRouter = new DefaultOutboundRouterCollection();
// TODO MULE-2102 This should be configured in the default template.
outboundRouter.addRouter(new OutboundPassThroughRouter());
}
if (responseRouter == null) {
responseRouter = new DefaultResponseRouterCollection();
}
if (exceptionListener == null) {
// By default us the model Exception Listener
exceptionListener = getModel().getExceptionListener();
// // TODO MULE-2102 This should be configured in the default template.
// exceptionListener = new DefaultServiceExceptionStrategy(this);
// ((MuleContextAware) exceptionListener).setMuleContext(muleContext);
// ((Initialisable) exceptionListener).initialise();
}
doInitialise();
// initialise statistics
stats = createStatistics();
stats.setEnabled(muleContext.getStatistics().isEnabled());
muleContext.getStatistics().add(stats);
stats.setOutboundRouterStat(outboundRouter.getStatistics());
stats.setInboundRouterStat(inboundRouter.getStatistics());
stats.setComponentStat(component.getStatistics());
initialised.set(true);
fireServiceNotification(ServiceNotification.SERVICE_INITIALISED);
}
// This method is used when the service invoked asynchronously. It should really
// be used independantly of if the service is invoked asynchronously when we are
// using an out-in or out-optional-in outbound message exchange pattern
protected void dispatchToOutboundRouter(MuleEvent event, MuleMessage result)
throws MessagingException {
if (event.isStopFurtherProcessing()) {
logger.debug(
"MuleEvent stop further processing has been set, no outbound routing will be performed.");
}
if (result != null && !event.isStopFurtherProcessing()) {
if (getOutboundRouter().hasEndpoints()) {
// Here we can use the same message instance because there is no inbound response.
if (stats.isEnabled()) {
stats.incSentEventASync();
}
getOutboundRouter().route(result, event.getSession());
}
}
}
/**
* Initialise the service. The service will first create a component from the ServiceDescriptor
* and then initialise a pool based on the attributes in the ServiceDescriptor .
*
* @see org.mule.api.registry.ServiceDescriptor
* @throws org.mule.api.lifecycle.InitialisationException if the service fails to initialise
*/
public final synchronized void initialise() throws InitialisationException {
if (inboundRouter == null) {
// Create Default routes that route to the default inbound and
// outbound endpoints
inboundRouter = new DefaultInboundRouterCollection();
// TODO MULE-2102 This should be configured in the default template.
inboundRouter.addRouter(new InboundPassThroughRouter());
}
if (outboundRouter == null) {
outboundRouter = new DefaultOutboundRouterCollection();
// TODO MULE-2102 This should be configured in the default template.
outboundRouter.addRouter(new OutboundPassThroughRouter());
}
if (responseRouter == null) {
responseRouter = new DefaultResponseRouterCollection();
}
if (exceptionListener == null) {
// By default us the model Exception Listener
exceptionListener = getModel().getExceptionListener();
// // TODO MULE-2102 This should be configured in the default template.
// exceptionListener = new DefaultServiceExceptionStrategy(this);
// ((MuleContextAware) exceptionListener).setMuleContext(muleContext);
// ((Initialisable) exceptionListener).initialise();
}
try {
lifecycleManager.fireLifecycle(Initialisable.PHASE_NAME);
} catch (LifecycleException e) {
throw new InitialisationException(e, this);
}
// Ensure Component has service instance and is initialised. If the component
// was configured with spring and is therefore in the registry it will get
// started automatically, if it was set on the service directly then it won't
// be started automatically. So to be sure we start it here.
component.setService(this);
component.initialise();
// initialise statistics
stats = createStatistics();
stats.setEnabled(muleContext.getStatistics().isEnabled());
muleContext.getStatistics().add(stats);
stats.setOutboundRouterStat(outboundRouter.getStatistics());
stats.setInboundRouterStat(inboundRouter.getStatistics());
stats.setComponentStat(component.getStatistics());
}
public MuleMessage sendEvent(MuleEvent event) throws MuleException {
if (stopping.get() || stopped.get()) {
throw new ServiceException(CoreMessages.componentIsStopped(name), event.getMessage(), this);
}
try {
waitIfPaused(event);
} catch (InterruptedException e) {
throw new ServiceException(event.getMessage(), this, e);
}
if (stats.isEnabled()) {
stats.incReceivedEventSync();
}
if (logger.isDebugEnabled()) {
logger.debug(
"Service: "
+ name
+ " has received synchronous event on: "
+ event.getEndpoint().getEndpointURI());
}
event = OptimizedRequestContext.unsafeSetEvent(event);
return doSend(event);
}
