/**
* Add a stream definition using the Event stream publisher.
*
* @param streamDefinitionBean The stream definition bean class.
*/
public String addStreamDefinition(StreamDefinitionBean streamDefinitionBean)
throws AnalyticsWebServiceException, MalformedStreamDefinitionException {
StreamDefinition streamDefinition = Utils.getStreamDefinition(streamDefinitionBean);
try {
eventStreamService.addEventStreamDefinition(streamDefinition);
return streamDefinition.getStreamId();
} catch (Exception e) {
logger.error(
"Unable to set the stream definition: ["
+ streamDefinition.getName()
+ ":"
+ streamDefinition.getVersion()
+ "]"
+ e.getMessage(),
e);
throw new AnalyticsWebServiceException(
"Unable to set the stream definition: ["
+ streamDefinition.getName()
+ ":"
+ streamDefinition.getVersion()
+ "], "
+ e.getMessage(),
e);
}
}
@Override
public void publish(Object[] payload) {
if (!isEnabled()) {
throw new RuntimeException("Statistics publisher is not enabled");
}
Event event = new Event();
event.setPayloadData(payload);
event.setArbitraryDataMap(new HashMap<String, String>());
try {
if (log.isDebugEnabled()) {
log.debug(
String.format(
"Publishing cep event: [stream] %s [version] %s",
streamDefinition.getName(), streamDefinition.getVersion()));
}
asyncDataPublisher.publish(streamDefinition.getName(), streamDefinition.getVersion(), event);
} catch (AgentException e) {
if (log.isErrorEnabled()) {
log.error(
String.format(
"Could not publish cep event: [stream] %s [version] %s",
streamDefinition.getName(), streamDefinition.getVersion()),
e);
}
}
}
public boolean isStreamDefinitionValidForConfiguration(
EventBuilderConfiguration eventBuilderConfiguration,
StreamDefinition exportedStreamDefinition) {
if (!(eventBuilderConfiguration.getToStreamName().equals(exportedStreamDefinition.getName())
&& eventBuilderConfiguration
.getToStreamVersion()
.equals(exportedStreamDefinition.getVersion()))) {
return false;
}
if (eventBuilderConfiguration.getInputMapping() instanceof XMLInputMapping) {
XMLInputMapping xmlInputMapping =
(XMLInputMapping) eventBuilderConfiguration.getInputMapping();
for (InputMappingAttribute inputMappingAttribute :
xmlInputMapping.getInputMappingAttributes()) {
Attribute attribute =
new Attribute(
inputMappingAttribute.getToElementKey(), inputMappingAttribute.getToElementType());
if (!exportedStreamDefinition.getPayloadData().contains(attribute)) {
return false;
}
}
} else {
return false;
}
return true;
}
public static void deployStreams(DeployableTemplate template) {
if (template.getStreams() != null) {
for (String stream : template.getStreams()) {
StreamDefinition streamDefinition = null;
try {
streamDefinition = EventDefinitionConverterUtils.convertFromJson(stream);
BatchScriptDeployerValueHolder.getEventStreamService()
.addEventStreamDefinition(streamDefinition);
} catch (MalformedStreamDefinitionException e) {
log.error("Stream definition is incorrect in domain template " + stream, e);
} catch (EventStreamConfigurationException e) {
log.error("Exception occurred when configuring stream " + streamDefinition.getName(), e);
} catch (StreamDefinitionAlreadyDefinedException e) {
log.error(
"Same template stream name "
+ streamDefinition.getName()
+ " has been defined for another definition ",
e);
throw e;
}
}
}
}
private void publishEvent(
BrokerConfiguration brokerConfiguration,
AsyncDataPublisher dataPublisher,
Event event,
StreamDefinition streamDefinition)
throws BrokerEventProcessingException {
try {
dataPublisher.publish(streamDefinition.getName(), streamDefinition.getVersion(), event);
} catch (AgentException ex) {
throw new BrokerEventProcessingException(
"Cannot publish data via DataPublisher for the broker configuration:"
+ brokerConfiguration.getName()
+ " for the event "
+ event,
ex);
}
}
private String createTopic(StreamDefinition streamDefinition) {
return streamDefinition.getName() + "/" + streamDefinition.getVersion();
}