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

Example 91 with StreamEvent

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

the class ExhaustiveCollectionExecutor method findEvents.

public Collection<StreamEvent> findEvents(StateEvent matchingEvent, Collection<StreamEvent> preProcessedstoreEvents) {
    HashSet<StreamEvent> streamEvents = new HashSet<StreamEvent>();
    for (StreamEvent storeEvent : preProcessedstoreEvents) {
        matchingEvent.setEvent(storeEventIndex, storeEvent);
        if ((Boolean) expressionExecutor.execute(matchingEvent)) {
            streamEvents.add(storeEvent);
        }
        matchingEvent.setEvent(storeEventIndex, null);
    }
    return streamEvents;
}

Example 92 with StreamEvent

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

the class ExhaustiveCollectionExecutor method delete.

@Override
public void delete(StateEvent deletingEvent, IndexedEventHolder indexedEventHolder) {
    Collection<StreamEvent> storeEvents = indexedEventHolder.getAllEvents();
    Set<StreamEvent> toDeleteEvents = new HashSet<StreamEvent>();
    for (StreamEvent storeEvent : storeEvents) {
        deletingEvent.setEvent(storeEventIndex, storeEvent);
        if ((Boolean) expressionExecutor.execute(deletingEvent)) {
            toDeleteEvents.add(storeEvent);
        }
        deletingEvent.setEvent(storeEventIndex, null);
    }
    indexedEventHolder.deleteAll(toDeleteEvents);
}

Example 93 with StreamEvent

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

the class OnDemandQueryRuntimeUtil method executeSelector.

public static Event[] executeSelector(StateEventFactory stateEventFactory, StreamEvent streamEvent, StreamEvent storeEvents, int storeEventIndex, QuerySelector selector) {
    ComplexEventChunk outputComplexEventChunk = executeSelectorAndReturnChunk(stateEventFactory, streamEvent, storeEvents, storeEventIndex, selector);
    if (outputComplexEventChunk != null) {
        List<Event> events = new ArrayList<>();
        outputComplexEventChunk.reset();
        while (outputComplexEventChunk.hasNext()) {
            ComplexEvent complexEvent = outputComplexEventChunk.next();
            events.add(new Event(complexEvent.getTimestamp(), complexEvent.getOutputData()));
        }
        return events.toArray(new Event[0]);
    } else {
        return null;
    }
}

Example 94 with StreamEvent

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

the class OnDemandQueryRuntimeUtil method executeSelectorAndReturnChunk.

private static ComplexEventChunk executeSelectorAndReturnChunk(StateEventFactory stateEventFactory, StreamEvent streamEvent, StreamEvent storeEvents, int storeEventIndex, QuerySelector selector) {
    ComplexEventChunk<StateEvent> complexEventChunk = new ComplexEventChunk<>();
    while (storeEvents != null) {
        StreamEvent storeEvent = storeEvents;
        storeEvents = storeEvents.getNext();
        storeEvent.setNext(null);
        StateEvent joinEvent = stateEventFactory.newInstance();
        if (streamEvent == null) {
            joinEvent.addEvent(storeEventIndex, storeEvent);
        } else {
            joinEvent.addEvent(0, streamEvent);
            joinEvent.addEvent(1, storeEvent);
        }
        complexEventChunk.add(joinEvent);
    }
    return selector.execute(complexEventChunk);
}

Example 95 with StreamEvent

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

the class AndMultiPrimaryKeyCollectionExecutor method find.

public StreamEvent find(StateEvent matchingEvent, IndexedEventHolder indexedEventHolder, StreamEventCloner storeEventCloner) {
    ComplexEventChunk<StreamEvent> returnEventChunk = new ComplexEventChunk<StreamEvent>();
    Collection<StreamEvent> storeEventSet = findEvents(matchingEvent, indexedEventHolder);
    if (storeEventSet == null) {
        return returnEventChunk.getFirst();
    } else {
        for (StreamEvent storeEvent : storeEventSet) {
            if (cacheTable != null) {
                cacheTable.updateCachePolicyAttribute(storeEvent);
            }
            if (storeEventCloner != null) {
                returnEventChunk.add(storeEventCloner.copyStreamEvent(storeEvent));
            } else {
                returnEventChunk.add(storeEvent);
            }
        }
        return returnEventChunk.getFirst();
    }
}