Examples with StateEvent org.wso2.siddhi.core.event.state.StateEvent used on opensource projects

Example 11 with StateEvent

use of org.wso2.siddhi.core.event.state.StateEvent in project siddhi by wso2.

the class AbstractRecordTable method find.

@Override
public StreamEvent find(CompiledCondition compiledCondition, StateEvent matchingEvent) throws ConnectionUnavailableException {
    RecordStoreCompiledCondition recordStoreCompiledCondition = ((RecordStoreCompiledCondition) compiledCondition);
    Map<String, Object> findConditionParameterMap = new HashMap<>();
    for (Map.Entry<String, ExpressionExecutor> entry : recordStoreCompiledCondition.variableExpressionExecutorMap.entrySet()) {
        findConditionParameterMap.put(entry.getKey(), entry.getValue().execute(matchingEvent));
    }
    Iterator<Object[]> records;
    if (recordTableHandler != null) {
        records = recordTableHandler.find(matchingEvent.getTimestamp(), findConditionParameterMap, recordStoreCompiledCondition.compiledCondition);
    } else {
        records = find(findConditionParameterMap, recordStoreCompiledCondition.compiledCondition);
    }
    ComplexEventChunk<StreamEvent> streamEventComplexEventChunk = new ComplexEventChunk<>(true);
    if (records != null) {
        while (records.hasNext()) {
            Object[] record = records.next();
            StreamEvent streamEvent = storeEventPool.borrowEvent();
            System.arraycopy(record, 0, streamEvent.getOutputData(), 0, record.length);
            streamEventComplexEventChunk.add(streamEvent);
        }
    }
    return streamEventComplexEventChunk.getFirst();
}

Example 12 with StateEvent

use of org.wso2.siddhi.core.event.state.StateEvent in project siddhi by wso2.

the class PartitionParser method createMetaEventForPartitioner.

/**
 * Create metaEvent to be used by StreamPartitioner with output attributes
 *
 * @param stateEvent metaStateEvent of the queryRuntime
 * @return metaStateEvent
 */
private static MetaStateEvent createMetaEventForPartitioner(MetaComplexEvent stateEvent) {
    MetaStateEvent metaStateEvent;
    if (stateEvent instanceof MetaStateEvent) {
        metaStateEvent = new MetaStateEvent(((MetaStateEvent) stateEvent).getStreamEventCount());
        for (MetaStreamEvent metaStreamEvent : ((MetaStateEvent) stateEvent).getMetaStreamEvents()) {
            AbstractDefinition definition = metaStreamEvent.getLastInputDefinition();
            MetaStreamEvent newMetaStreamEvent = new MetaStreamEvent();
            for (Attribute attribute : definition.getAttributeList()) {
                newMetaStreamEvent.addOutputData(attribute);
            }
            newMetaStreamEvent.addInputDefinition(definition);
            newMetaStreamEvent.setEventType(metaStreamEvent.getEventType());
            metaStateEvent.addEvent(newMetaStreamEvent);
        }
    } else {
        metaStateEvent = new MetaStateEvent(1);
        AbstractDefinition definition = ((MetaStreamEvent) stateEvent).getLastInputDefinition();
        MetaStreamEvent newMetaStreamEvent = new MetaStreamEvent();
        for (Attribute attribute : definition.getAttributeList()) {
            newMetaStreamEvent.addOutputData(attribute);
        }
        newMetaStreamEvent.addInputDefinition(definition);
        newMetaStreamEvent.setEventType(((MetaStreamEvent) stateEvent).getEventType());
        metaStateEvent.addEvent(newMetaStreamEvent);
    }
    return metaStateEvent;
}

Example 13 with StateEvent

use of org.wso2.siddhi.core.event.state.StateEvent in project siddhi by wso2.

the class EventChunkOperator method tryUpdate.

@Override
public ComplexEventChunk<StreamEvent> tryUpdate(ComplexEventChunk<StateEvent> updatingOrAddingEventChunk, Object storeEvents, InMemoryCompiledUpdateSet compiledUpdateSet, AddingStreamEventExtractor addingStreamEventExtractor) {
    ComplexEventChunk<StreamEvent> storeEventChunk = (ComplexEventChunk<StreamEvent>) storeEvents;
    updatingOrAddingEventChunk.reset();
    ComplexEventChunk<StreamEvent> failedEventChunk = new ComplexEventChunk<StreamEvent>(updatingOrAddingEventChunk.isBatch());
    while (updatingOrAddingEventChunk.hasNext()) {
        StateEvent overwritingOrAddingEvent = updatingOrAddingEventChunk.next();
        try {
            boolean updated = false;
            storeEventChunk.reset();
            while (storeEventChunk.hasNext()) {
                StreamEvent storeEvent = storeEventChunk.next();
                overwritingOrAddingEvent.setEvent(storeEventPosition, storeEvent);
                if ((Boolean) expressionExecutor.execute(overwritingOrAddingEvent)) {
                    for (Map.Entry<Integer, ExpressionExecutor> entry : compiledUpdateSet.getExpressionExecutorMap().entrySet()) {
                        storeEvent.setOutputData(entry.getValue().execute(overwritingOrAddingEvent), entry.getKey());
                    }
                    updated = true;
                }
            }
            if (!updated) {
                failedEventChunk.add(addingStreamEventExtractor.getAddingStreamEvent(overwritingOrAddingEvent));
            }
        } finally {
            overwritingOrAddingEvent.setEvent(storeEventPosition, null);
        }
    }
    return failedEventChunk;
}

Example 14 with StateEvent

use of org.wso2.siddhi.core.event.state.StateEvent in project siddhi by wso2.

the class EventChunkOperator method update.

@Override
public void update(ComplexEventChunk<StateEvent> updatingEventChunk, Object storeEvents, InMemoryCompiledUpdateSet compiledUpdateSet) {
    ComplexEventChunk<StreamEvent> storeEventChunk = (ComplexEventChunk<StreamEvent>) storeEvents;
    updatingEventChunk.reset();
    while (updatingEventChunk.hasNext()) {
        StateEvent updatingEvent = updatingEventChunk.next();
        try {
            storeEventChunk.reset();
            while (storeEventChunk.hasNext()) {
                StreamEvent storeEvent = storeEventChunk.next();
                updatingEvent.setEvent(storeEventPosition, storeEvent);
                if ((Boolean) expressionExecutor.execute(updatingEvent)) {
                    for (Map.Entry<Integer, ExpressionExecutor> entry : compiledUpdateSet.getExpressionExecutorMap().entrySet()) {
                        storeEvent.setOutputData(entry.getValue().execute(updatingEvent), entry.getKey());
                    }
                }
            }
        } finally {
            updatingEvent.setEvent(storeEventPosition, null);
        }
    }
}

Example 15 with StateEvent

use of org.wso2.siddhi.core.event.state.StateEvent in project siddhi by wso2.

the class EventChunkOperator method contains.

@Override
public boolean contains(StateEvent matchingEvent, Object storeEvents) {
    ComplexEventChunk<StreamEvent> storeEventChunk = (ComplexEventChunk<StreamEvent>) storeEvents;
    try {
        storeEventChunk.reset();
        while (storeEventChunk.hasNext()) {
            StreamEvent storeEvent = storeEventChunk.next();
            matchingEvent.setEvent(storeEventPosition, storeEvent);
            if ((Boolean) expressionExecutor.execute(matchingEvent)) {
                return true;
            }
        }
        return false;
    } finally {
        matchingEvent.setEvent(storeEventPosition, null);
    }
}