Examples with ComplexEventChunk org.ballerinalang.siddhi.core.event.ComplexEventChunk used on opensource projects

Example 46 with ComplexEventChunk

use of org.ballerinalang.siddhi.core.event.ComplexEventChunk in project ballerina by ballerina-lang.

the class FirstPerTimeOutputRateLimiter 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 (firstEvent != null) {
                        firstEvent = null;
                    }
                    scheduledTime += value;
                    scheduler.notifyAt(scheduledTime);
                }
            } else if (event.getType() == ComplexEvent.Type.CURRENT || event.getType() == ComplexEvent.Type.EXPIRED) {
                if (firstEvent == null) {
                    complexEventChunk.remove();
                    firstEvent = event;
                    ComplexEventChunk<ComplexEvent> firstPerEventChunk = new ComplexEventChunk<ComplexEvent>(complexEventChunk.isBatch());
                    firstPerEventChunk.add(event);
                    outputEventChunks.add(firstPerEventChunk);
                }
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 47 with ComplexEventChunk

use of org.ballerinalang.siddhi.core.event.ComplexEventChunk in project ballerina by ballerina-lang.

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 48 with ComplexEventChunk

use of org.ballerinalang.siddhi.core.event.ComplexEventChunk in project ballerina by ballerina-lang.

the class CronWindowProcessor method dispatchEvents.

public void dispatchEvents() {
    ComplexEventChunk<StreamEvent> streamEventChunk = new ComplexEventChunk<StreamEvent>(false);
    synchronized (this) {
        if (currentEventChunk.getFirst() != null) {
            long currentTime = siddhiAppContext.getTimestampGenerator().currentTime();
            while (expiredEventChunk.hasNext()) {
                StreamEvent expiredEvent = expiredEventChunk.next();
                expiredEvent.setTimestamp(currentTime);
            }
            if (expiredEventChunk.getFirst() != null) {
                streamEventChunk.add(expiredEventChunk.getFirst());
            }
            expiredEventChunk.clear();
            while (currentEventChunk.hasNext()) {
                StreamEvent currentEvent = currentEventChunk.next();
                StreamEvent toExpireEvent = streamEventCloner.copyStreamEvent(currentEvent);
                toExpireEvent.setType(StreamEvent.Type.EXPIRED);
                expiredEventChunk.add(toExpireEvent);
            }
            streamEventChunk.add(currentEventChunk.getFirst());
            currentEventChunk.clear();
        }
    }
    if (streamEventChunk.getFirst() != null) {
        nextProcessor.process(streamEventChunk);
    }
}

Example 49 with ComplexEventChunk

use of org.ballerinalang.siddhi.core.event.ComplexEventChunk in project ballerina by ballerina-lang.

the class SingleProcessStreamReceiver method processAndClear.

protected void processAndClear(ComplexEventChunk<StreamEvent> streamEventChunk) {
    ComplexEventChunk<StateEvent> retEventChunk = new ComplexEventChunk<StateEvent>(false);
    synchronized (lockKey) {
        while (streamEventChunk.hasNext()) {
            StreamEvent streamEvent = streamEventChunk.next();
            streamEventChunk.remove();
            stabilizeStates();
            currentStreamEventChunk.add(streamEvent);
            ComplexEventChunk<StateEvent> eventChunk = ((StreamPreStateProcessor) next).processAndReturn(currentStreamEventChunk);
            if (eventChunk.getFirst() != null) {
                retEventChunk.add(eventChunk.getFirst());
            }
            eventChunk.clear();
            currentStreamEventChunk.clear();
        }
    }
    while (retEventChunk.hasNext()) {
        StateEvent stateEvent = retEventChunk.next();
        retEventChunk.remove();
        querySelector.process(new ComplexEventChunk<StateEvent>(stateEvent, stateEvent, false));
    }
}

Example 50 with ComplexEventChunk

use of org.ballerinalang.siddhi.core.event.ComplexEventChunk in project ballerina by ballerina-lang.

the class JoinProcessor method process.

/**
 * Process the handed StreamEvent.
 *
 * @param complexEventChunk event chunk to be processed
 */
@Override
public void process(ComplexEventChunk complexEventChunk) {
    if (trigger) {
        ComplexEventChunk<StateEvent> returnEventChunk = new ComplexEventChunk<StateEvent>(true);
        StateEvent joinStateEvent = new StateEvent(2, 0);
        StreamEvent nextEvent = (StreamEvent) complexEventChunk.getFirst();
        complexEventChunk.clear();
        while (nextEvent != null) {
            StreamEvent streamEvent = nextEvent;
            nextEvent = streamEvent.getNext();
            streamEvent.setNext(null);
            joinLockWrapper.lock();
            try {
                ComplexEvent.Type eventType = streamEvent.getType();
                if (eventType == ComplexEvent.Type.TIMER) {
                    continue;
                } else if (eventType == ComplexEvent.Type.RESET) {
                    if (!leftJoinProcessor) {
                        returnEventChunk.add(joinEventBuilder(null, streamEvent, eventType));
                    } else {
                        returnEventChunk.add(joinEventBuilder(streamEvent, null, eventType));
                    }
                } else {
                    joinStateEvent.setEvent(matchingStreamIndex, streamEvent);
                    StreamEvent foundStreamEvent = findableProcessor.find(joinStateEvent, compiledCondition);
                    joinStateEvent.setEvent(matchingStreamIndex, null);
                    if (foundStreamEvent == null) {
                        if (outerJoinProcessor && !leftJoinProcessor) {
                            returnEventChunk.add(joinEventBuilder(null, streamEvent, eventType));
                        } else if (outerJoinProcessor && leftJoinProcessor) {
                            returnEventChunk.add(joinEventBuilder(streamEvent, null, eventType));
                        }
                    } else {
                        while (foundStreamEvent != null) {
                            StreamEvent nextFoundStreamEvent = foundStreamEvent.getNext();
                            foundStreamEvent.setNext(null);
                            if (!leftJoinProcessor) {
                                returnEventChunk.add(joinEventBuilder(foundStreamEvent, streamEvent, eventType));
                            } else {
                                returnEventChunk.add(joinEventBuilder(streamEvent, foundStreamEvent, eventType));
                            }
                            foundStreamEvent = nextFoundStreamEvent;
                        }
                    }
                }
            } finally {
                joinLockWrapper.unlock();
            }
            if (returnEventChunk.getFirst() != null) {
                selector.process(returnEventChunk);
                returnEventChunk.clear();
            }
        }
    } else {
        if (preJoinProcessor) {
            joinLockWrapper.lock();
            try {
                nextProcessor.process(complexEventChunk);
            } finally {
                joinLockWrapper.unlock();
            }
        }
    }
}