/**
* The main processing method that will be called upon event arrival
*
* @param streamEventChunk the stream event chunk that need to be processed
* @param nextProcessor the next processor to which the success events need to be passed
* @param streamEventCloner helps to clone the incoming event for local storage or modification
*/
@Override
protected void process(
ComplexEventChunk<StreamEvent> streamEventChunk,
Processor nextProcessor,
StreamEventCloner streamEventCloner) {
synchronized (this) {
long currentTime = executionPlanContext.getTimestampGenerator().currentTime();
StreamEvent streamEvent = streamEventChunk.getFirst();
streamEventChunk.clear();
while (streamEvent != null) {
StreamEvent clonedEvent = streamEventCloner.copyStreamEvent(streamEvent);
clonedEvent.setType(StreamEvent.Type.EXPIRED);
StreamEvent oldEvent = map.put(generateKey(clonedEvent), clonedEvent);
if (oldEvent != null) {
oldEvent.setTimestamp(currentTime);
streamEventChunk.add(oldEvent);
}
StreamEvent next = streamEvent.getNext();
streamEvent.setNext(null);
streamEventChunk.add(streamEvent);
streamEvent = next;
}
}
nextProcessor.process(streamEventChunk);
}
@Override
protected void process(
ComplexEventChunk<StreamEvent> streamEventChunk,
Processor nextProcessor,
StreamEventCloner streamEventCloner,
ComplexEventPopulater complexEventPopulater) {
synchronized (this) {
while (streamEventChunk.hasNext()) {
StreamEvent streamEvent = streamEventChunk.next();
if (logger.isDebugEnabled()) {
logger.debug(
String.format(
"Event received. Regex:%s Event:%s", regexPattern.pattern(), streamEvent));
}
Annotation document =
pipeline.process(attributeExpressionExecutors[1].execute(streamEvent).toString());
for (CoreMap sentence : document.get(CoreAnnotations.SentencesAnnotation.class)) {
TokenSequenceMatcher matcher =
regexPattern.getMatcher(sentence.get(CoreAnnotations.TokensAnnotation.class));
while (matcher.find()) {
Object[] data = new Object[attributeCount];
data[0] = matcher.group();
for (int i = 1; i < attributeCount; i++) {
data[i] = matcher.group(i);
}
StreamEvent newStreamEvent = streamEventCloner.copyStreamEvent(streamEvent);
complexEventPopulater.populateComplexEvent(newStreamEvent, data);
streamEventChunk.insertBeforeCurrent(newStreamEvent);
}
}
streamEventChunk.remove();
}
}
nextProcessor.process(streamEventChunk);
}