protected Object process(AtomicEvent event, OutputAttributeAggregator outputAttributeAggregator) {
if (size > 1) {
Object[] data = new Object[expressionExecutors.size()];
for (int i = 0, size = data.length; i < size; i++) {
data[i] = expressionExecutors.get(i).execute(event);
}
if (event instanceof RemoveStream) {
return outputAttributeAggregator.processRemove(data);
} else {
return outputAttributeAggregator.processAdd(data);
}
} else {
if (event instanceof RemoveStream) {
return outputAttributeAggregator.processRemove(expressionExecutors.get(0).execute(event));
} else {
return outputAttributeAggregator.processAdd(expressionExecutors.get(0).execute(event));
}
}
}
@Override
public Attribute.Type getOutputType() {
return sampleOutputAttributeAggregator.getReturnType();
}