Examples with StreamEvent io.siddhi.core.event.stream.StreamEvent used on opensource projects

Example 1 with StreamEvent

use of io.siddhi.core.event.stream.StreamEvent in project siddhi by wso2.

the class IncrementalExecutorsInitialiser method recreateState.

private void recreateState(Long lastData, TimePeriod.Duration recreateForDuration, Table recreateFromTable, boolean isBeforeRoot) {
    Executor incrementalExecutor = incrementalExecutorMap.get(recreateForDuration);
    if (lastData != null) {
        endOFLatestEventTimestamp = IncrementalTimeConverterUtil.getNextEmitTime(lastData, recreateForDuration, timeZone);
    }
    OnDemandQuery onDemandQuery = getOnDemandQuery(recreateFromTable, false, endOFLatestEventTimestamp);
    onDemandQuery.setType(OnDemandQuery.OnDemandQueryType.FIND);
    OnDemandQueryRuntime onDemandQueryRuntime = OnDemandQueryParser.parse(onDemandQuery, null, siddhiAppContext, tableMap, windowMap, aggregationMap);
    Event[] events = onDemandQueryRuntime.execute();
    if (events != null) {
        long referenceToNextLatestEvent = (Long) events[events.length - 1].getData(0);
        ComplexEventChunk<StreamEvent> complexEventChunk = new ComplexEventChunk<>();
        for (Event event : events) {
            StreamEvent streamEvent = streamEventFactory.newInstance();
            streamEvent.setOutputData(event.getData());
            complexEventChunk.add(streamEvent);
        }
        incrementalExecutor.execute(complexEventChunk);
        if (isBeforeRoot) {
            TimePeriod.Duration rootDuration = incrementalDurations.get(0);
            Executor rootIncrementalExecutor = incrementalExecutorMap.get(rootDuration);
            long emitTimeOfLatestEventInTable = IncrementalTimeConverterUtil.getNextEmitTime(referenceToNextLatestEvent, rootDuration, timeZone);
            rootIncrementalExecutor.setEmitTime(emitTimeOfLatestEventInTable);
        }
    }
}

Example 2 with StreamEvent

use of io.siddhi.core.event.stream.StreamEvent in project siddhi by wso2.

the class FaultStreamEventConverter method convert.

public StreamEvent convert(Event[] events, Exception e) {
    StreamEvent firstEvent = streamEventFactory.newInstance();
    convertEvent(events[0], firstEvent, e);
    StreamEvent currentEvent = firstEvent;
    for (int i = 1, eventsLength = events.length; i < eventsLength; i++) {
        StreamEvent nextEvent = streamEventFactory.newInstance();
        convertEvent(events[i], nextEvent, e);
        currentEvent.setNext(nextEvent);
        currentEvent = nextEvent;
    }
    return firstEvent;
}

Example 3 with StreamEvent

use of io.siddhi.core.event.stream.StreamEvent in project siddhi by wso2.

the class FaultStreamEventConverter method convert.

public StreamEvent convert(Event event, Exception e) {
    StreamEvent newEvent = streamEventFactory.newInstance();
    convertEvent(event, newEvent, e);
    return newEvent;
}

Example 4 with StreamEvent

use of io.siddhi.core.event.stream.StreamEvent in project siddhi by wso2.

the class FaultStreamEventConverter method convert.

public StreamEvent convert(List<Event> events, Exception e) {
    StreamEvent firstEvent = streamEventFactory.newInstance();
    convertEvent(events.get(0), firstEvent, e);
    StreamEvent currentEvent = firstEvent;
    for (int i = 1, eventsLength = events.size(); i < eventsLength; i++) {
        StreamEvent nextEvent = streamEventFactory.newInstance();
        convertEvent(events.get(i), nextEvent, e);
        currentEvent.setNext(nextEvent);
        currentEvent = nextEvent;
    }
    return firstEvent;
}

Example 5 with StreamEvent

use of io.siddhi.core.event.stream.StreamEvent in project siddhi by wso2.

the class ConversionStreamEventChunk method convertAndAdd.

public void convertAndAdd(Event event) {
    StreamEvent newEvent = streamEventFactory.newInstance();
    streamEventConverter.convertEvent(event, newEvent);
    if (first == null) {
        first = newEvent;
        last = first;
    } else {
        last.setNext(newEvent);
        last = newEvent;
    }
}