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

Example 6 with StreamEvent

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

the class IndexOperator method update.

@Override
public void update(ComplexEventChunk<StateEvent> updatingEventChunk, Object storeEvents, InMemoryCompiledUpdateSet compiledUpdateSet) {
    updatingEventChunk.reset();
    while (updatingEventChunk.hasNext()) {
        StateEvent updatingEvent = updatingEventChunk.next();
        StreamEvent streamEvents = collectionExecutor.find(updatingEvent, (IndexedEventHolder) storeEvents, null);
        if (streamEvents != null) {
            ComplexEventChunk<StreamEvent> foundEventChunk = new ComplexEventChunk<>(false);
            foundEventChunk.add(streamEvents);
            update((IndexedEventHolder) storeEvents, compiledUpdateSet, updatingEvent, foundEventChunk);
        }
    }
}

Example 7 with StreamEvent

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

the class CompareCollectionExecutor method find.

public StreamEvent find(StateEvent matchingEvent, IndexedEventHolder indexedEventHolder, StreamEventCloner storeEventCloner) {
    ComplexEventChunk<StreamEvent> returnEventChunk = new ComplexEventChunk<StreamEvent>(false);
    Collection<StreamEvent> storeEventSet = findEvents(matchingEvent, indexedEventHolder);
    if (storeEventSet == null) {
        // triggering sequential scan
        Collection<StreamEvent> storeEvents = indexedEventHolder.getAllEvents();
        for (StreamEvent storeEvent : storeEvents) {
            matchingEvent.setEvent(storeEventIndex, storeEvent);
            if ((Boolean) expressionExecutor.execute(matchingEvent)) {
                if (storeEventCloner != null) {
                    returnEventChunk.add(storeEventCloner.copyStreamEvent(storeEvent));
                } else {
                    returnEventChunk.add(storeEvent);
                }
            }
            matchingEvent.setEvent(storeEventIndex, null);
        }
        return returnEventChunk.getFirst();
    } else {
        for (StreamEvent storeEvent : storeEventSet) {
            if (storeEventCloner != null) {
                returnEventChunk.add(storeEventCloner.copyStreamEvent(storeEvent));
            } else {
                returnEventChunk.add(storeEvent);
            }
        }
        return returnEventChunk.getFirst();
    }
}

Example 8 with StreamEvent

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

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 9 with StreamEvent

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

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 10 with StreamEvent

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

the class NonCollectionExecutor method find.

public StreamEvent find(StateEvent matchingEvent, IndexedEventHolder indexedEventHolder, StreamEventCloner storeEventCloner) {
    if ((Boolean) expressionExecutor.execute(matchingEvent)) {
        ComplexEventChunk<StreamEvent> returnEventChunk = new ComplexEventChunk<StreamEvent>(false);
        Collection<StreamEvent> storeEvents = indexedEventHolder.getAllEvents();
        for (StreamEvent storeEvent : storeEvents) {
            if (storeEventCloner != null) {
                returnEventChunk.add(storeEventCloner.copyStreamEvent(storeEvent));
            } else {
                returnEventChunk.add(storeEvent);
            }
        }
        return returnEventChunk.getFirst();
    } else {
        return null;
    }
}