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

Example 21 with Event

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

the class GroupByPerSnapshotOutputRateLimiter method process.

/**
 * Sends the collected unique outputs per group by key upon arrival of timer event from scheduler.
 *
 * @param complexEventChunk Incoming {@link org.wso2.siddhi.core.event.ComplexEventChunk}
 */
@Override
public void process(ComplexEventChunk complexEventChunk) {
    List<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) {
                tryFlushEvents(outputEventChunks, event);
            } else if (event.getType() == ComplexEvent.Type.CURRENT) {
                complexEventChunk.remove();
                tryFlushEvents(outputEventChunks, event);
                GroupedComplexEvent groupedComplexEvent = ((GroupedComplexEvent) event);
                groupByKeyEvents.put(groupedComplexEvent.getGroupKey(), groupedComplexEvent.getComplexEvent());
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 22 with Event

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

the class PerSnapshotOutputRateLimiter method process.

@Override
public void process(ComplexEventChunk complexEventChunk) {
    List<ComplexEventChunk<ComplexEvent>> outputEventChunks = new ArrayList<ComplexEventChunk<ComplexEvent>>();
    complexEventChunk.reset();
    synchronized (this) {
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            if (event.getType() == ComplexEvent.Type.TIMER) {
                tryFlushEvents(outputEventChunks, event);
            } else if (event.getType() == ComplexEvent.Type.CURRENT) {
                complexEventChunk.remove();
                tryFlushEvents(outputEventChunks, event);
                lastEvent = event;
            } else {
                tryFlushEvents(outputEventChunks, event);
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 23 with Event

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

the class AbsentLogicalPreStateProcessor method processAndReturn.

@Override
public ComplexEventChunk<StateEvent> processAndReturn(ComplexEventChunk complexEventChunk) {
    ComplexEventChunk<StateEvent> returnEventChunk = new ComplexEventChunk<>(false);
    if (!this.active) {
        return returnEventChunk;
    }
    complexEventChunk.reset();
    // Sure only one will be sent
    StreamEvent streamEvent = (StreamEvent) complexEventChunk.next();
    this.lock.lock();
    try {
        for (Iterator<StateEvent> iterator = pendingStateEventList.iterator(); iterator.hasNext(); ) {
            StateEvent stateEvent = iterator.next();
            if (withinStates.size() > 0) {
                if (isExpired(stateEvent, streamEvent.getTimestamp())) {
                    iterator.remove();
                    continue;
                }
            }
            if (logicalType == LogicalStateElement.Type.OR && stateEvent.getStreamEvent(partnerStatePreProcessor.getStateId()) != null) {
                iterator.remove();
                continue;
            }
            StreamEvent currentStreamEvent = stateEvent.getStreamEvent(stateId);
            stateEvent.setEvent(stateId, streamEventCloner.copyStreamEvent(streamEvent));
            process(stateEvent);
            if (waitingTime != -1 || (stateType == StateInputStream.Type.SEQUENCE && logicalType == LogicalStateElement.Type.AND && thisStatePostProcessor.nextEveryStatePerProcessor != null)) {
                // Reset to the original state after processing
                stateEvent.setEvent(stateId, currentStreamEvent);
            }
            if (this.thisLastProcessor.isEventReturned()) {
                this.thisLastProcessor.clearProcessedEvent();
                // The event has passed the filter condition. So remove from being an absent candidate.
                iterator.remove();
                if (stateType == StateInputStream.Type.SEQUENCE) {
                    partnerStatePreProcessor.pendingStateEventList.remove(stateEvent);
                }
            }
            if (!stateChanged) {
                switch(stateType) {
                    case PATTERN:
                        stateEvent.setEvent(stateId, currentStreamEvent);
                        break;
                    case SEQUENCE:
                        stateEvent.setEvent(stateId, currentStreamEvent);
                        iterator.remove();
                        break;
                }
            }
        }
    } finally {
        this.lock.unlock();
    }
    return returnEventChunk;
}

Example 24 with Event

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

the class WindowedPerSnapshotOutputRateLimiter method process.

@Override
public void process(ComplexEventChunk complexEventChunk) {
    List<ComplexEventChunk<ComplexEvent>> outputEventChunks = new ArrayList<ComplexEventChunk<ComplexEvent>>();
    complexEventChunk.reset();
    synchronized (this) {
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            if (event instanceof GroupedComplexEvent) {
                event = ((GroupedComplexEvent) event).getComplexEvent();
            }
            if (event.getType() == ComplexEvent.Type.TIMER) {
                tryFlushEvents(outputEventChunks, event);
            } else if (event.getType() == ComplexEvent.Type.CURRENT) {
                complexEventChunk.remove();
                tryFlushEvents(outputEventChunks, event);
                eventList.add(event);
            } else if (event.getType() == ComplexEvent.Type.EXPIRED) {
                tryFlushEvents(outputEventChunks, event);
                for (Iterator<ComplexEvent> iterator = eventList.iterator(); iterator.hasNext(); ) {
                    ComplexEvent currentEvent = iterator.next();
                    if (comparator.compare(currentEvent, event) == 0) {
                        iterator.remove();
                        break;
                    }
                }
            } else if (event.getType() == ComplexEvent.Type.RESET) {
                tryFlushEvents(outputEventChunks, event);
                eventList.clear();
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 25 with Event

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

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);
    }
}