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

Example 71 with StreamEvent

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

the class CountPreStateProcessor method processAndReturn.

@Override
public ComplexEventChunk<StateEvent> processAndReturn(ComplexEventChunk complexEventChunk) {
    ComplexEventChunk<StateEvent> returnEventChunk = new ComplexEventChunk<StateEvent>();
    complexEventChunk.reset();
    // Sure only one will be sent
    StreamEvent streamEvent = (StreamEvent) complexEventChunk.next();
    CountStreamPreState state = (CountStreamPreState) stateHolder.getState();
    lock.lock();
    try {
        for (Iterator<StateEvent> iterator = state.getPendingStateEventList().iterator(); iterator.hasNext(); ) {
            StateEvent stateEvent = iterator.next();
            if (removeIfNextStateProcessed(stateEvent, iterator, stateId + 1)) {
                continue;
            }
            if (removeIfNextStateProcessed(stateEvent, iterator, stateId + 2)) {
                continue;
            }
            stateEvent.addEvent(stateId, streamEventCloner.copyStreamEvent(streamEvent));
            state.successCondition = false;
            process(stateEvent);
            if (this.thisLastProcessor.isEventReturned()) {
                this.thisLastProcessor.clearProcessedEvent();
                returnEventChunk.add(stateEvent);
            }
            if (state.isStateChanged()) {
                iterator.remove();
            }
            if (!state.successCondition) {
                switch(stateType) {
                    case PATTERN:
                        stateEvent.removeLastEvent(stateId);
                        break;
                    case SEQUENCE:
                        stateEvent.removeLastEvent(stateId);
                        iterator.remove();
                        break;
                }
            }
        }
    } finally {
        lock.unlock();
        stateHolder.returnState(state);
    }
    return returnEventChunk;
}

Example 72 with StreamEvent

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

the class StreamPostStateProcessor method process.

protected void process(StateEvent stateEvent, ComplexEventChunk complexEventChunk) {
    thisStatePreProcessor.stateChanged();
    StreamEvent streamEvent = stateEvent.getStreamEvent(stateId);
    stateEvent.setTimestamp(streamEvent.getTimestamp());
    if (nextProcessor != null) {
        complexEventChunk.reset();
        this.isEventReturned = true;
    }
    if (nextStatePreProcessor != null) {
        nextStatePreProcessor.addState(stateEvent);
    }
    if (nextEveryStatePreProcessor != null) {
        nextEveryStatePreProcessor.addEveryState(stateEvent);
    }
    if (callbackPreStateProcessor != null) {
        callbackPreStateProcessor.startStateReset();
    }
}

Example 73 with StreamEvent

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

the class AbsentLogicalPostStateProcessor method process.

protected void process(StateEvent stateEvent, ComplexEventChunk complexEventChunk) {
    // Mark the state changed
    thisStatePreProcessor.stateChanged();
    // Update the timestamp
    StreamEvent streamEvent = stateEvent.getStreamEvent(stateId);
    // This is the notification to AbsentStreamPreStateProcessor that this event has been processed
    this.isEventReturned = true;
    ((AbsentPreStateProcessor) thisStatePreProcessor).updateLastArrivalTime(streamEvent.getTimestamp());
}

Example 74 with StreamEvent

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

the class DeleteOnDemandQueryRuntime method generateResetComplexEventChunk.

private ComplexEventChunk<ComplexEvent> generateResetComplexEventChunk(MetaStreamEvent metaStreamEvent) {
    StreamEvent streamEvent = new StreamEvent(metaStreamEvent.getBeforeWindowData().size(), metaStreamEvent.getOnAfterWindowData().size(), metaStreamEvent.getOutputData().size());
    streamEvent.setType(ComplexEvent.Type.RESET);
    StateEvent stateEvent = stateEventFactory.newInstance();
    stateEvent.addEvent(0, streamEvent);
    stateEvent.setType(ComplexEvent.Type.RESET);
    ComplexEventChunk<ComplexEvent> complexEventChunk = new ComplexEventChunk<>();
    complexEventChunk.add(stateEvent);
    return complexEventChunk;
}

Example 75 with StreamEvent

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

the class InsertOnDemandQueryRuntime method generateResetComplexEventChunk.

private ComplexEventChunk<ComplexEvent> generateResetComplexEventChunk(MetaStreamEvent metaStreamEvent) {
    StreamEvent streamEvent = new StreamEvent(metaStreamEvent.getBeforeWindowData().size(), metaStreamEvent.getOnAfterWindowData().size(), metaStreamEvent.getOutputData().size());
    streamEvent.setType(ComplexEvent.Type.RESET);
    StateEvent stateEvent = stateEventFactory.newInstance();
    stateEvent.addEvent(0, streamEvent);
    stateEvent.setType(ComplexEvent.Type.RESET);
    ComplexEventChunk<ComplexEvent> complexEventChunk = new ComplexEventChunk<>();
    complexEventChunk.add(stateEvent);
    return complexEventChunk;
}