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

Example 56 with StreamEvent

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

the class TestStoreForCachePreLoading method query.

@Override
protected RecordIterator<Object[]> query(Map<String, Object> parameterMap, CompiledCondition compiledCondition, CompiledSelection compiledSelection, Attribute[] outputAttributes) {
    StreamEvent outEvent = inMemoryTable.find(compiledCondition, findMatchingEvent);
    List<Object[]> objects = new LinkedList<>();
    CompiledSelectionWithCache compiledSelectionWithCache = null;
    if (outEvent != null) {
        compiledSelectionWithCache = (CompiledSelectionWithCache) compiledSelection;
        StateEventFactory stateEventFactory = new StateEventFactory(compiledSelectionWithCache.getMetaStateEvent());
        Event[] cacheResultsAfterSelection = executeSelector(stateEventFactory, null, outEvent, compiledSelectionWithCache.getStoreEventIndex(), compiledSelectionWithCache.getQuerySelector());
        if (compiledSelectionWithCache.getQuerySelector() != null & compiledSelectionWithCache.getQuerySelector().getAttributeProcessorList().size() != 0) {
            compiledSelectionWithCache.getQuerySelector().process(generateResetComplexEventChunk(outEvent.getOutputData().length, stateEventFactory));
        }
        if (cacheResultsAfterSelection != null) {
            for (Event event : cacheResultsAfterSelection) {
                objects.add(event.getData());
            }
        }
    }
    return new TestStoreWithCacheIterator(objects.iterator());
}

Example 57 with StreamEvent

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

the class TestStoreForCachePreLoading method init.

@Override
protected void init(TableDefinition tableDefinition, ConfigReader configReader) {
    inMemoryTable = new InMemoryTable();
    MetaStreamEvent cacheTableMetaStreamEvent = new MetaStreamEvent();
    cacheTableMetaStreamEvent.addInputDefinition(tableDefinition);
    for (Attribute attribute : tableDefinition.getAttributeList()) {
        cacheTableMetaStreamEvent.addOutputData(attribute);
    }
    StreamEventCloner testTableStreamEventCloner = new StreamEventCloner(cacheTableMetaStreamEvent, storeEventPool);
    TableDefinition testStoreContainingIMTableDefinition = TableDefinition.id(tableDefinition.getId());
    for (Attribute attribute : tableDefinition.getAttributeList()) {
        testStoreContainingIMTableDefinition.attribute(attribute.getName(), attribute.getType());
    }
    for (Annotation annotation : tableDefinition.getAnnotations()) {
        if (!annotation.getName().equalsIgnoreCase("Store")) {
            testStoreContainingIMTableDefinition.annotation(annotation);
        }
    }
    inMemoryTable.init(testStoreContainingIMTableDefinition, storeEventPool, testTableStreamEventCloner, configReader, siddhiAppContext, recordTableHandler);
    ComplexEventChunk<StreamEvent> originalData = new ComplexEventChunk<>();
    StreamEvent data1 = new StreamEvent(0, 0, 3);
    data1.setOutputData(new Object[] { "WSO2", 55.6f, 100L });
    originalData.add(data1);
    StreamEvent data2 = new StreamEvent(0, 0, 3);
    data2.setOutputData(new Object[] { "IBM", 75.6f, 100L });
    originalData.add(data2);
    inMemoryTable.add(originalData);
}

Example 58 with StreamEvent

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

the class FindOnDemandQueryRuntime method generateResetComplexEventChunk.

private ComplexEventChunk<ComplexEvent> generateResetComplexEventChunk(MetaStreamEvent metaStreamEvent) {
    StreamEvent streamEvent = new StreamEvent(metaStreamEvent.getBeforeWindowData().size(), metaStreamEvent.getOnAfterWindowData().size(), metaStreamEvent.getOutputData().size());
    streamEvent.setType(ComplexEvent.Type.RESET);
    StateEvent stateEvent = stateEventFactory.newInstance();
    if (eventType == MetaStreamEvent.EventType.AGGREGATE) {
        stateEvent.addEvent(1, streamEvent);
    } else {
        stateEvent.addEvent(0, streamEvent);
    }
    stateEvent.setType(ComplexEvent.Type.RESET);
    ComplexEventChunk<ComplexEvent> complexEventChunk = new ComplexEventChunk<>();
    complexEventChunk.add(stateEvent);
    return complexEventChunk;
}

Example 59 with StreamEvent

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

the class FindOnDemandQueryRuntime method execute.

@Override
public Event[] execute() {
    try {
        StateEvent stateEvent = new StateEvent(1, 0);
        StreamEvent streamEvents = null;
        switch(eventType) {
            case TABLE:
                streamEvents = table.find(stateEvent, compiledCondition);
                break;
            case WINDOW:
                streamEvents = window.find(stateEvent, compiledCondition);
                break;
            case AGGREGATE:
                stateEvent = new StateEvent(2, 0);
                streamEvents = aggregation.find(stateEvent, compiledCondition, siddhiQueryContext);
                break;
            case DEFAULT:
                break;
        }
        if (streamEvents == null) {
            return null;
        } else {
            if (selector != null) {
                if (eventType == MetaStreamEvent.EventType.AGGREGATE) {
                    return executeSelector(stateEventFactory, null, streamEvents, 1, selector);
                } else {
                    return executeSelector(stateEventFactory, null, streamEvents, 0, selector);
                }
            } else {
                List<Event> events = new ArrayList<Event>();
                while (streamEvents != null) {
                    events.add(new Event(streamEvents.getTimestamp(), streamEvents.getOutputData()));
                    streamEvents = streamEvents.getNext();
                }
                return events.toArray(new Event[0]);
            }
        }
    } catch (Throwable t) {
        throw new OnDemandQueryRuntimeException("Error executing '" + queryName + "', " + t.getMessage(), t);
    }
}

Example 60 with StreamEvent

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

the class UpdateOnDemandQueryRuntime method generateResetComplexEventChunk.

private ComplexEventChunk<ComplexEvent> generateResetComplexEventChunk(MetaStreamEvent metaStreamEvent) {
    StreamEvent streamEvent = new StreamEvent(metaStreamEvent.getBeforeWindowData().size(), metaStreamEvent.getOnAfterWindowData().size(), metaStreamEvent.getOutputData().size());
    streamEvent.setType(ComplexEvent.Type.RESET);
    StateEvent stateEvent = stateEventFactory.newInstance();
    stateEvent.addEvent(0, streamEvent);
    stateEvent.setType(ComplexEvent.Type.RESET);
    ComplexEventChunk<ComplexEvent> complexEventChunk = new ComplexEventChunk<>();
    complexEventChunk.add(stateEvent);
    return complexEventChunk;
}