protected Object receiveAction(AdminNotification action, UMOEventContext context)
throws UMOException {
UMOMessage result = null;
try {
UMOEndpointURI endpointUri = new MuleEndpointURI(action.getResourceIdentifier());
UMOEndpoint endpoint =
MuleEndpoint.getOrCreateEndpointForUri(endpointUri, UMOEndpoint.ENDPOINT_TYPE_SENDER);
UMOMessageDispatcher dispatcher = endpoint.getConnector().getDispatcher(endpoint);
long timeout =
MapUtils.getLongValue(
action.getProperties(),
MuleProperties.MULE_EVENT_TIMEOUT_PROPERTY,
MuleManager.getConfiguration().getSynchronousEventTimeout());
UMOEndpointURI ep = new MuleEndpointURI(action.getResourceIdentifier());
result = dispatcher.receive(ep, timeout);
if (result != null) {
// See if there is a default transformer on the connector
UMOTransformer trans =
((AbstractConnector) endpoint.getConnector()).getDefaultInboundTransformer();
if (trans != null) {
Object payload = trans.transform(result.getPayload());
result = new MuleMessage(payload, result);
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
wireFormat.write(out, result);
return out.toByteArray();
} else {
return null;
}
} catch (Exception e) {
return handleException(result, e);
}
}
/**
* Depending on the session state this methods either Passes an event synchronously to the next
* available Mule UMO in the pool or via the endpointUri configured for the event
*
* @param message the event message payload to send
* @param endpointUri The endpointUri to disptch the event through
* @return the return Message from the call or null if there was no result
* @throws org.mule.umo.UMOException if the event fails to be processed by the component or the
* transport for the endpointUri
*/
public UMOMessage sendEvent(UMOMessage message, UMOEndpointURI endpointUri) throws UMOException {
UMOEndpoint endpoint =
MuleEndpoint.getOrCreateEndpointForUri(endpointUri, UMOEndpoint.ENDPOINT_TYPE_SENDER);
// If synchronous receive has not been explicitly set, default it to
// true
setRemoteSync(message, endpoint);
return session.sendEvent(message, endpoint);
}
/**
* Will dispatch an application event through Mule
*
* @param applicationEvent the Spring event to be dispatched
* @throws ApplicationEventException if the event cannot be dispatched i.e. if the underlying
* transport throws an exception
*/
protected void dispatchEvent(MuleApplicationEvent applicationEvent)
throws ApplicationEventException {
UMOEndpoint endpoint = null;
try {
endpoint =
MuleEndpoint.getOrCreateEndpointForUri(
applicationEvent.getEndpoint(), UMOEndpoint.ENDPOINT_TYPE_SENDER);
} catch (UMOException e) {
throw new ApplicationEventException(
"Failed to get endpoint for endpointUri: " + applicationEvent.getEndpoint(), e);
}
if (endpoint != null) {
try {
// if (applicationEvent.getEndpoint() != null) {
// endpoint.setEndpointURI(applicationEvent.getEndpoint());
// }
MuleMessage message =
new MuleMessage(applicationEvent.getSource(), applicationEvent.getProperties());
// has dispatch been triggered using beanFactory.publish()
// without a current event
if (applicationEvent.getMuleEventContext() != null) {
// tell mule not to try and route this event itself
applicationEvent.getMuleEventContext().setStopFurtherProcessing(true);
applicationEvent.getMuleEventContext().dispatchEvent(message, endpoint);
} else {
UMOSession session =
new MuleSession(
message,
((AbstractConnector) endpoint.getConnector()).getSessionHandler(),
component);
RequestContext.setEvent(new MuleEvent(message, endpoint, session, false));
// transform if necessary
if (endpoint.getTransformer() != null) {
message =
new MuleMessage(
endpoint.getTransformer().transform(applicationEvent.getSource()),
applicationEvent.getProperties());
}
endpoint.dispatch(new MuleEvent(message, endpoint, session, false));
}
} catch (Exception e1) {
throw new ApplicationEventException("Failed to dispatch event: " + e1.getMessage(), e1);
}
} else {
throw new ApplicationEventException(
"Failed endpoint using name: " + applicationEvent.getEndpoint());
}
}
protected UMOStreamMessageAdapter sendStream(String uri, UMOStreamMessageAdapter sa)
throws UMOException {
UMOEndpoint ep = MuleEndpoint.getOrCreateEndpointForUri(uri, UMOEndpoint.ENDPOINT_TYPE_SENDER);
ep.setStreaming(true);
UMOMessage message = new MuleMessage(sa);
UMOEvent event =
new MuleEvent(message, ep, RequestContext.getEventContext().getSession(), true);
UMOMessage result = ep.send(event);
if (result != null) {
if (result.getAdapter() instanceof UMOStreamMessageAdapter) {
return (UMOStreamMessageAdapter) result.getAdapter();
} else {
// TODO i18n (though this case should never happen...)
throw new IllegalStateException(
"Mismatch of stream states. A stream was used for outbound channel, but a stream was not used for the response");
}
}
return null;
}
protected UMODescriptor getDefaultDescriptor() throws UMOException {
// When the the beanFactory is refreshed all the beans get
// reloaded so we need to unregister the component from Mule
UMOModel model = MuleManager.getInstance().lookupModel(ModelHelper.SYSTEM_MODEL);
if (model == null) {
model = new SedaModel();
model.setName(ModelHelper.SYSTEM_MODEL);
MuleManager.getInstance().registerModel(model);
}
UMODescriptor descriptor = model.getDescriptor(EVENT_MULTICASTER_DESCRIPTOR_NAME);
if (descriptor != null) {
model.unregisterComponent(descriptor);
}
descriptor = new MuleDescriptor(EVENT_MULTICASTER_DESCRIPTOR_NAME);
if (subscriptions == null) {
logger.info("No receive endpoints have been set, using default '*'");
descriptor.setInboundEndpoint(new MuleEndpoint("vm://*", true));
} else {
// Set multiple inbound subscriptions on the descriptor
UMOInboundRouterCollection messageRouter = descriptor.getInboundRouter();
for (int i = 0; i < subscriptions.length; i++) {
String subscription = subscriptions[i];
UMOEndpointURI endpointUri = new MuleEndpointURI(subscription);
UMOEndpoint endpoint =
MuleEndpoint.getOrCreateEndpointForUri(endpointUri, UMOEndpoint.ENDPOINT_TYPE_RECEIVER);
if (!asynchronous) {
endpoint.setSynchronous(true);
}
messageRouter.addEndpoint(endpoint);
}
}
// set the implementation name to this bean so Mule will manage it
descriptor.setImplementation(
AbstractApplicationContext.APPLICATION_EVENT_MULTICASTER_BEAN_NAME);
return descriptor;
}
/**
* Requests a synchronous receive of an event on the component
*
* @param endpointUri the endpointUri on which the event will be received
* @param timeout time in milliseconds before the request timesout
* @return The requested event or null if the request times out
* @throws org.mule.umo.UMOException if the request operation fails
*/
public UMOMessage receiveEvent(UMOEndpointURI endpointUri, long timeout) throws UMOException {
UMOEndpoint endpoint =
MuleEndpoint.getOrCreateEndpointForUri(endpointUri, UMOEndpoint.ENDPOINT_TYPE_SENDER);
return session.receiveEvent(endpoint, timeout);
}
/**
* Depending on the session state this methods either Passes an event asynchronously to the next
* available Mule UMO in the pool or via the endpointUri configured for the event
*
* @param message the event message payload to send
* @param endpointUri the endpointUri to dispatc the event to first on the component configuration
* and then on the mule manager configuration
* @throws org.mule.umo.UMOException if the event fails to be processed by the component or the
* transport for the endpointUri
*/
public void dispatchEvent(UMOMessage message, UMOEndpointURI endpointUri) throws UMOException {
UMOEndpoint endpoint =
MuleEndpoint.getOrCreateEndpointForUri(endpointUri, UMOEndpoint.ENDPOINT_TYPE_SENDER);
session.dispatchEvent(message, endpoint);
}
