@Override
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters)
throws Exception {
EventBus resolvedEventBus = eventBus;
if (resolvedEventBus == null) {
resolvedEventBus =
CamelContextHelper.mandatoryLookup(getCamelContext(), remaining, EventBus.class);
}
return new GuavaEventBusEndpoint(uri, this, resolvedEventBus, listenerInterface);
}
protected void configureScheduledPollConsumerProperties(
Map<String, Object> options, Map<String, Object> consumerProperties) {
// special for scheduled poll consumers as we want to allow end users to configure its options
// from the URI parameters without the consumer. prefix
Map<String, Object> schedulerProperties =
IntrospectionSupport.extractProperties(options, "scheduler.");
if (schedulerProperties != null && !schedulerProperties.isEmpty()) {
setSchedulerProperties(schedulerProperties);
}
if (scheduler == null && schedulerName != null) {
if ("none".equals(schedulerName)) {
// no cron scheduler in use
scheduler = null;
} else if ("spring".equals(schedulerName)) {
// special for scheduler if its "spring" or "quartz2"
try {
Class<? extends ScheduledPollConsumerScheduler> clazz =
getCamelContext()
.getClassResolver()
.resolveMandatoryClass(SPRING_SCHEDULER, ScheduledPollConsumerScheduler.class);
setScheduler(getCamelContext().getInjector().newInstance(clazz));
} catch (ClassNotFoundException e) {
throw new IllegalArgumentException(
"Cannot load "
+ SPRING_SCHEDULER
+ " from classpath. Make sure camel-spring.jar is on the classpath.",
e);
}
} else if ("quartz2".equals(schedulerName)) {
// special for scheduler if its "spring" or "quartz2"
try {
Class<? extends ScheduledPollConsumerScheduler> clazz =
getCamelContext()
.getClassResolver()
.resolveMandatoryClass(QUARTZ_2_SCHEDULER, ScheduledPollConsumerScheduler.class);
setScheduler(getCamelContext().getInjector().newInstance(clazz));
} catch (ClassNotFoundException e) {
throw new IllegalArgumentException(
"Cannot load "
+ QUARTZ_2_SCHEDULER
+ " from classpath. Make sure camel-quarz2.jar is on the classpath.",
e);
}
} else {
// must refer to a custom scheduler by the given name
setScheduler(
CamelContextHelper.mandatoryLookup(
getCamelContext(), schedulerName, ScheduledPollConsumerScheduler.class));
}
}
}
@Override
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters)
throws Exception {
CamelContext camelContext = getCamelContext();
int idx = remaining.indexOf(":");
if (idx <= 0) {
throw new IllegalArgumentException(BAD_FORMAT_MESSAGE);
}
String bindingName = remaining.substring(0, idx);
String delegateURI = remaining.substring(idx + 1);
if (delegateURI.isEmpty()) {
throw new IllegalArgumentException(BAD_FORMAT_MESSAGE);
}
Binding binding = CamelContextHelper.mandatoryLookup(camelContext, bindingName, Binding.class);
Endpoint delegate = getMandatoryEndpoint(camelContext, delegateURI);
return new BindingEndpoint(uri, this, binding, delegate);
}
/**
* Determines if redelivery is enabled by checking if any of the redelivery policy settings may
* allow redeliveries.
*
* @return <tt>true</tt> if redelivery is possible, <tt>false</tt> otherwise
* @throws Exception can be thrown
*/
private boolean determineIfRedeliveryIsEnabled() throws Exception {
// determine if redeliver is enabled either on error handler
if (getRedeliveryPolicy().getMaximumRedeliveries() != 0) {
// must check for != 0 as (-1 means redeliver forever)
return true;
}
if (retryWhilePolicy != null) {
return true;
}
// or on the exception policies
if (!exceptionPolicies.isEmpty()) {
// walk them to see if any of them have a maximum redeliveries > 0 or retry until set
for (OnExceptionDefinition def : exceptionPolicies.values()) {
if (def.getRedeliveryPolicy() != null) {
String ref = def.getRedeliveryPolicyRef();
if (ref != null) {
// lookup in registry if ref provided
RedeliveryPolicy policy =
CamelContextHelper.mandatoryLookup(camelContext, ref, RedeliveryPolicy.class);
if (policy.getMaximumRedeliveries() != 0) {
// must check for != 0 as (-1 means redeliver forever)
return true;
}
} else {
Integer max =
CamelContextHelper.parseInteger(
camelContext, def.getRedeliveryPolicy().getMaximumRedeliveries());
if (max != null && max != 0) {
// must check for != 0 as (-1 means redeliver forever)
return true;
}
}
}
if (def.getRetryWhilePolicy() != null || def.getRetryWhile() != null) {
return true;
}
}
}
return false;
}
@SuppressWarnings("deprecation")
public MethodInfo(
CamelContext camelContext,
Class<?> type,
Method method,
List<ParameterInfo> parameters,
List<ParameterInfo> bodyParameters,
boolean hasCustomAnnotation,
boolean hasHandlerAnnotation) {
this.camelContext = camelContext;
this.type = type;
this.method = method;
this.parameters = parameters;
this.bodyParameters = bodyParameters;
this.hasCustomAnnotation = hasCustomAnnotation;
this.hasHandlerAnnotation = hasHandlerAnnotation;
this.parametersExpression = createParametersExpression();
Map<Class<?>, Annotation> collectedMethodAnnotation = collectMethodAnnotations(type, method);
Pattern oneway = findOneWayAnnotation(method);
if (oneway != null) {
pattern = oneway.value();
}
org.apache.camel.RoutingSlip routingSlipAnnotation =
(org.apache.camel.RoutingSlip)
collectedMethodAnnotation.get(org.apache.camel.RoutingSlip.class);
if (routingSlipAnnotation != null && matchContext(routingSlipAnnotation.context())) {
routingSlip = new RoutingSlip(camelContext);
routingSlip.setDelimiter(routingSlipAnnotation.delimiter());
routingSlip.setIgnoreInvalidEndpoints(routingSlipAnnotation.ignoreInvalidEndpoints());
// add created routingSlip as a service so we have its lifecycle managed
try {
camelContext.addService(routingSlip);
} catch (Exception e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
}
}
org.apache.camel.DynamicRouter dynamicRouterAnnotation =
(org.apache.camel.DynamicRouter)
collectedMethodAnnotation.get(org.apache.camel.DynamicRouter.class);
if (dynamicRouterAnnotation != null && matchContext(dynamicRouterAnnotation.context())) {
dynamicRouter = new DynamicRouter(camelContext);
dynamicRouter.setDelimiter(dynamicRouterAnnotation.delimiter());
dynamicRouter.setIgnoreInvalidEndpoints(dynamicRouterAnnotation.ignoreInvalidEndpoints());
// add created dynamicRouter as a service so we have its lifecycle managed
try {
camelContext.addService(dynamicRouter);
} catch (Exception e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
}
}
org.apache.camel.RecipientList recipientListAnnotation =
(org.apache.camel.RecipientList)
collectedMethodAnnotation.get(org.apache.camel.RecipientList.class);
if (recipientListAnnotation != null && matchContext(recipientListAnnotation.context())) {
recipientList = new RecipientList(camelContext, recipientListAnnotation.delimiter());
recipientList.setStopOnException(recipientListAnnotation.stopOnException());
recipientList.setIgnoreInvalidEndpoints(recipientListAnnotation.ignoreInvalidEndpoints());
recipientList.setParallelProcessing(recipientListAnnotation.parallelProcessing());
recipientList.setParallelAggregate(recipientListAnnotation.parallelAggregate());
recipientList.setStreaming(recipientListAnnotation.streaming());
recipientList.setTimeout(recipientListAnnotation.timeout());
recipientList.setShareUnitOfWork(recipientListAnnotation.shareUnitOfWork());
if (ObjectHelper.isNotEmpty(recipientListAnnotation.executorServiceRef())) {
ExecutorService executor =
camelContext
.getExecutorServiceManager()
.newDefaultThreadPool(this, recipientListAnnotation.executorServiceRef());
recipientList.setExecutorService(executor);
}
if (recipientListAnnotation.parallelProcessing()
&& recipientList.getExecutorService() == null) {
// we are running in parallel so we need a thread pool
ExecutorService executor =
camelContext.getExecutorServiceManager().newDefaultThreadPool(this, "@RecipientList");
recipientList.setExecutorService(executor);
}
if (ObjectHelper.isNotEmpty(recipientListAnnotation.strategyRef())) {
AggregationStrategy strategy =
CamelContextHelper.mandatoryLookup(
camelContext, recipientListAnnotation.strategyRef(), AggregationStrategy.class);
recipientList.setAggregationStrategy(strategy);
}
if (ObjectHelper.isNotEmpty(recipientListAnnotation.onPrepareRef())) {
Processor onPrepare =
CamelContextHelper.mandatoryLookup(
camelContext, recipientListAnnotation.onPrepareRef(), Processor.class);
recipientList.setOnPrepare(onPrepare);
}
// add created recipientList as a service so we have its lifecycle managed
try {
camelContext.addService(recipientList);
} catch (Exception e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
}
}
}
/**
* Looks up a mandatory endpoint for a given name.
*
* <p>Derived classes could use this name as a logical name and look it up on some registry.
*
* <p>The default implementation will do a mandatory look up the name in the {@link
* org.apache.camel.spi.Registry}.
*
* @throws org.apache.camel.NoSuchBeanException if not found in the {@link
* org.apache.camel.spi.Registry}
*/
protected Endpoint lookupEndpoint(String name, Map<String, Object> parameters) {
return CamelContextHelper.mandatoryLookup(getCamelContext(), name, Endpoint.class);
}
@Override
public <T> T mandatoryLookup(String name, Class<T> type) {
return CamelContextHelper.mandatoryLookup(getCamelContext(), name, type);
}