Examples with Event org.wso2.eventing.Event used on opensource projects

Example 26 with Event

use of org.wso2.eventing.Event in project siddhi by wso2.

the class LastGroupByPerTimeOutputRateLimiter method process.

@Override
public void process(ComplexEventChunk complexEventChunk) {
    ArrayList<ComplexEventChunk<ComplexEvent>> outputEventChunks = new ArrayList<ComplexEventChunk<ComplexEvent>>();
    complexEventChunk.reset();
    synchronized (this) {
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            if (event.getType() == ComplexEvent.Type.TIMER) {
                if (event.getTimestamp() >= scheduledTime) {
                    if (allGroupByKeyEvents.size() != 0) {
                        ComplexEventChunk<ComplexEvent> outputEventChunk = new ComplexEventChunk<ComplexEvent>(complexEventChunk.isBatch());
                        for (ComplexEvent complexEvent : allGroupByKeyEvents.values()) {
                            outputEventChunk.add(complexEvent);
                        }
                        outputEventChunks.add(outputEventChunk);
                        allGroupByKeyEvents.clear();
                    }
                    scheduledTime = scheduledTime + value;
                    scheduler.notifyAt(scheduledTime);
                }
            } else if (event.getType() == ComplexEvent.Type.CURRENT || event.getType() == ComplexEvent.Type.EXPIRED) {
                complexEventChunk.remove();
                GroupedComplexEvent groupedComplexEvent = ((GroupedComplexEvent) event);
                allGroupByKeyEvents.put(groupedComplexEvent.getGroupKey(), groupedComplexEvent.getComplexEvent());
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 27 with Event

use of org.wso2.eventing.Event in project siddhi by wso2.

the class LastPerTimeOutputRateLimiter method process.

@Override
public void process(ComplexEventChunk complexEventChunk) {
    ArrayList<ComplexEventChunk<ComplexEvent>> outputEventChunks = new ArrayList<ComplexEventChunk<ComplexEvent>>();
    complexEventChunk.reset();
    synchronized (this) {
        complexEventChunk.reset();
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            if (event.getType() == ComplexEvent.Type.TIMER) {
                if (event.getTimestamp() >= scheduledTime) {
                    if (lastEvent != null) {
                        ComplexEventChunk<ComplexEvent> outputEventChunk = new ComplexEventChunk<ComplexEvent>(complexEventChunk.isBatch());
                        outputEventChunk.add(lastEvent);
                        lastEvent = null;
                        outputEventChunks.add(outputEventChunk);
                    }
                    scheduledTime = scheduledTime + value;
                    scheduler.notifyAt(scheduledTime);
                }
            } else if (event.getType() == ComplexEvent.Type.CURRENT || event.getType() == ComplexEvent.Type.EXPIRED) {
                complexEventChunk.remove();
                lastEvent = event;
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 28 with Event

use of org.wso2.eventing.Event in project siddhi by wso2.

the class StreamPostStateProcessor method process.

/**
 * Process the handed StreamEvent
 *
 * @param complexEventChunk event chunk to be processed
 */
@Override
public void process(ComplexEventChunk complexEventChunk) {
    complexEventChunk.reset();
    if (complexEventChunk.hasNext()) {
        // one one event will be coming
        StateEvent stateEvent = (StateEvent) complexEventChunk.next();
        process(stateEvent, complexEventChunk);
    }
    complexEventChunk.clear();
}

Example 29 with Event

use of org.wso2.eventing.Event in project siddhi by wso2.

the class InsertIntoWindowCallback method send.

/**
 * Add the event into the {@link Window}
 *
 * @param complexEventChunk the event to add
 * @param noOfEvents number of events
 */
@Override
public void send(ComplexEventChunk complexEventChunk, int noOfEvents) {
    if (getSiddhiDebugger() != null) {
        getSiddhiDebugger().checkBreakPoint(getQueryName(), SiddhiDebugger.QueryTerminal.OUT, complexEventChunk.getFirst());
    }
    // If events are inserted directly from another window, expired events can arrive
    complexEventChunk.reset();
    while (complexEventChunk.hasNext()) {
        ComplexEvent complexEvent = complexEventChunk.next();
        if (complexEvent.getType() == ComplexEvent.Type.EXPIRED) {
            complexEvent.setType(ComplexEvent.Type.CURRENT);
        }
    }
    window.add(complexEventChunk);
}

Example 30 with Event

use of org.wso2.eventing.Event in project siddhi by wso2.

the class QueryCallback method receiveStreamEvent.

public void receiveStreamEvent(ComplexEventChunk complexEventChunk) {
    Event[] currentEvents = null;
    Event[] expiredEvents = null;
    long timestamp = -1;
    List<Event> currentEventBuffer = new ArrayList<Event>();
    List<Event> expiredEventBuffer = new ArrayList<Event>();
    complexEventChunk.reset();
    while (complexEventChunk.hasNext()) {
        ComplexEvent streamEvent = complexEventChunk.next();
        if (streamEvent.getType() == StreamEvent.Type.EXPIRED) {
            bufferEvent(streamEvent, expiredEventBuffer);
        } else if (streamEvent.getType() == StreamEvent.Type.CURRENT) {
            bufferEvent(streamEvent, currentEventBuffer);
        }
        timestamp = streamEvent.getTimestamp();
    }
    if (!currentEventBuffer.isEmpty()) {
        currentEvents = currentEventBuffer.toArray(new Event[currentEventBuffer.size()]);
        currentEventBuffer.clear();
    }
    if (!expiredEventBuffer.isEmpty()) {
        expiredEvents = expiredEventBuffer.toArray(new Event[expiredEventBuffer.size()]);
        expiredEventBuffer.clear();
    }
    send(timestamp, currentEvents, expiredEvents);
}