Examples with SchedulingProcessor org.wso2.siddhi.core.query.processor.SchedulingProcessor used on opensource projects

Example 1 with SchedulingProcessor

use of org.wso2.siddhi.core.query.processor.SchedulingProcessor in project siddhi by wso2.

the class SingleStreamRuntime method clone.

@Override
public StreamRuntime clone(String key) {
    ProcessStreamReceiver clonedProcessStreamReceiver = this.processStreamReceiver.clone(key);
    EntryValveProcessor entryValveProcessor = null;
    SchedulingProcessor schedulingProcessor;
    Processor clonedProcessorChain = null;
    if (processorChain != null) {
        if (!(processorChain instanceof QuerySelector || processorChain instanceof OutputRateLimiter)) {
            clonedProcessorChain = processorChain.cloneProcessor(key);
            if (clonedProcessorChain instanceof EntryValveProcessor) {
                entryValveProcessor = (EntryValveProcessor) clonedProcessorChain;
            }
        }
        Processor processor = processorChain.getNextProcessor();
        while (processor != null) {
            if (!(processor instanceof QuerySelector || processor instanceof OutputRateLimiter)) {
                Processor clonedProcessor = processor.cloneProcessor(key);
                clonedProcessorChain.setToLast(clonedProcessor);
                if (clonedProcessor instanceof EntryValveProcessor) {
                    entryValveProcessor = (EntryValveProcessor) clonedProcessor;
                } else if (clonedProcessor instanceof SchedulingProcessor) {
                    schedulingProcessor = (SchedulingProcessor) clonedProcessor;
                    schedulingProcessor.setScheduler(((SchedulingProcessor) processor).getScheduler().clone(key, entryValveProcessor));
                }
            }
            processor = processor.getNextProcessor();
        }
    }
    return new SingleStreamRuntime(clonedProcessStreamReceiver, clonedProcessorChain, metaComplexEvent);
}

Example 2 with SchedulingProcessor

use of org.wso2.siddhi.core.query.processor.SchedulingProcessor in project siddhi by wso2.

the class SingleInputStreamParser method parseInputStream.

/**
 * Parse single InputStream and return SingleStreamRuntime
 *
 * @param inputStream                 single input stream to be parsed
 * @param siddhiAppContext            query to be parsed
 * @param variableExpressionExecutors List to hold VariableExpressionExecutors to update after query parsing
 * @param streamDefinitionMap         Stream Definition Map
 * @param tableDefinitionMap          Table Definition Map
 * @param windowDefinitionMap         window definition map
 * @param aggregationDefinitionMap    aggregation definition map
 * @param tableMap                    Table Map
 * @param metaComplexEvent            MetaComplexEvent
 * @param processStreamReceiver       ProcessStreamReceiver
 * @param supportsBatchProcessing     supports batch processing
 * @param outputExpectsExpiredEvents  is output expects ExpiredEvents
 * @param queryName                   query name of single input stream belongs to.
 *
 * @return SingleStreamRuntime
 */
public static SingleStreamRuntime parseInputStream(SingleInputStream inputStream, SiddhiAppContext siddhiAppContext, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String, AbstractDefinition> streamDefinitionMap, Map<String, AbstractDefinition> tableDefinitionMap, Map<String, AbstractDefinition> windowDefinitionMap, Map<String, AbstractDefinition> aggregationDefinitionMap, Map<String, Table> tableMap, MetaComplexEvent metaComplexEvent, ProcessStreamReceiver processStreamReceiver, boolean supportsBatchProcessing, boolean outputExpectsExpiredEvents, String queryName) {
    Processor processor = null;
    EntryValveProcessor entryValveProcessor = null;
    boolean first = true;
    MetaStreamEvent metaStreamEvent;
    if (metaComplexEvent instanceof MetaStateEvent) {
        metaStreamEvent = new MetaStreamEvent();
        ((MetaStateEvent) metaComplexEvent).addEvent(metaStreamEvent);
        initMetaStreamEvent(inputStream, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, metaStreamEvent);
    } else {
        metaStreamEvent = (MetaStreamEvent) metaComplexEvent;
        initMetaStreamEvent(inputStream, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, metaStreamEvent);
    }
    // A window cannot be defined for a window stream
    if (!inputStream.getStreamHandlers().isEmpty() && windowDefinitionMap != null && windowDefinitionMap.containsKey(inputStream.getStreamId())) {
        for (StreamHandler handler : inputStream.getStreamHandlers()) {
            if (handler instanceof Window) {
                throw new OperationNotSupportedException("Cannot create " + ((Window) handler).getName() + " " + "window for the window stream " + inputStream.getStreamId());
            }
        }
    }
    if (!inputStream.getStreamHandlers().isEmpty()) {
        for (StreamHandler handler : inputStream.getStreamHandlers()) {
            Processor currentProcessor = generateProcessor(handler, metaComplexEvent, variableExpressionExecutors, siddhiAppContext, tableMap, supportsBatchProcessing, outputExpectsExpiredEvents, queryName);
            if (currentProcessor instanceof SchedulingProcessor) {
                if (entryValveProcessor == null) {
                    entryValveProcessor = new EntryValveProcessor(siddhiAppContext);
                    if (first) {
                        processor = entryValveProcessor;
                        first = false;
                    } else {
                        processor.setToLast(entryValveProcessor);
                    }
                }
                Scheduler scheduler = SchedulerParser.parse(siddhiAppContext.getScheduledExecutorService(), entryValveProcessor, siddhiAppContext);
                ((SchedulingProcessor) currentProcessor).setScheduler(scheduler);
            }
            if (first) {
                processor = currentProcessor;
                first = false;
            } else {
                processor.setToLast(currentProcessor);
            }
        }
    }
    metaStreamEvent.initializeAfterWindowData();
    return new SingleStreamRuntime(processStreamReceiver, processor, metaComplexEvent);
}

Example 3 with SchedulingProcessor

use of org.wso2.siddhi.core.query.processor.SchedulingProcessor in project siddhi by wso2.

the class StateInputStreamParser method parse.

private static InnerStateRuntime parse(StateElement stateElement, Map<String, AbstractDefinition> streamDefinitionMap, Map<String, AbstractDefinition> tableDefinitionMap, Map<String, AbstractDefinition> windowDefinitionMap, Map<String, AbstractDefinition> aggregationDefinitionMap, Map<String, Table> tableMap, MetaStateEvent metaStateEvent, SiddhiAppContext siddhiAppContext, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String, ProcessStreamReceiver> processStreamReceiverMap, StreamPreStateProcessor streamPreStateProcessor, StreamPostStateProcessor streamPostStateProcessor, StateInputStream.Type stateType, ArrayList<Map.Entry<Long, Set<Integer>>> withinStates, LatencyTracker latencyTracker, String queryName) {
    if (stateElement instanceof StreamStateElement) {
        BasicSingleInputStream basicSingleInputStream = ((StreamStateElement) stateElement).getBasicSingleInputStream();
        SingleStreamRuntime singleStreamRuntime = SingleInputStreamParser.parseInputStream(basicSingleInputStream, siddhiAppContext, variableExpressionExecutors, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, metaStateEvent, processStreamReceiverMap.get(basicSingleInputStream.getUniqueStreamIds().get(0)), false, false, queryName);
        int stateIndex = metaStateEvent.getStreamEventCount() - 1;
        if (streamPreStateProcessor == null) {
            if (stateElement.getWithin() != null) {
                Set<Integer> withinStateset = new HashSet<Integer>();
                withinStateset.add(SiddhiConstants.ANY);
                withinStates.add(0, new AbstractMap.SimpleEntry<Long, Set<Integer>>(stateElement.getWithin().getValue(), withinStateset));
            }
            if (stateElement instanceof AbsentStreamStateElement) {
                AbsentStreamPreStateProcessor absentProcessor = new AbsentStreamPreStateProcessor(stateType, clonewithinStates(withinStates), ((AbsentStreamStateElement) stateElement).getWaitingTime());
                // Set the scheduler
                siddhiAppContext.addEternalReferencedHolder(absentProcessor);
                EntryValveProcessor entryValveProcessor = new EntryValveProcessor(siddhiAppContext);
                entryValveProcessor.setToLast(absentProcessor);
                Scheduler scheduler = SchedulerParser.parse(siddhiAppContext.getScheduledExecutorService(), entryValveProcessor, siddhiAppContext);
                absentProcessor.setScheduler(scheduler);
                // Assign the AbsentStreamPreStateProcessor to streamPreStateProcessor
                streamPreStateProcessor = absentProcessor;
            } else {
                streamPreStateProcessor = new StreamPreStateProcessor(stateType, clonewithinStates(withinStates));
            }
            streamPreStateProcessor.init(siddhiAppContext, queryName);
            if (stateElement.getWithin() != null) {
                withinStates.remove(0);
            }
        }
        streamPreStateProcessor.setStateId(stateIndex);
        streamPreStateProcessor.setNextProcessor(singleStreamRuntime.getProcessorChain());
        singleStreamRuntime.setProcessorChain(streamPreStateProcessor);
        if (streamPostStateProcessor == null) {
            if (stateElement instanceof AbsentStreamStateElement) {
                streamPostStateProcessor = new AbsentStreamPostStateProcessor();
            } else {
                streamPostStateProcessor = new StreamPostStateProcessor();
            }
        }
        streamPostStateProcessor.setStateId(stateIndex);
        singleStreamRuntime.getProcessorChain().setToLast(streamPostStateProcessor);
        streamPostStateProcessor.setThisStatePreProcessor(streamPreStateProcessor);
        streamPreStateProcessor.setThisStatePostProcessor(streamPostStateProcessor);
        streamPreStateProcessor.setThisLastProcessor(streamPostStateProcessor);
        StreamInnerStateRuntime innerStateRuntime = new StreamInnerStateRuntime(stateType);
        innerStateRuntime.setFirstProcessor(streamPreStateProcessor);
        innerStateRuntime.setLastProcessor(streamPostStateProcessor);
        innerStateRuntime.addStreamRuntime(singleStreamRuntime);
        return innerStateRuntime;
    } else if (stateElement instanceof NextStateElement) {
        StateElement currentElement = ((NextStateElement) stateElement).getStateElement();
        InnerStateRuntime currentInnerStateRuntime = parse(currentElement, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, metaStateEvent, siddhiAppContext, variableExpressionExecutors, processStreamReceiverMap, streamPreStateProcessor, streamPostStateProcessor, stateType, withinStates, latencyTracker, queryName);
        if (stateElement.getWithin() != null) {
            Set<Integer> withinStateSet = new HashSet<Integer>();
            withinStateSet.add(currentInnerStateRuntime.getFirstProcessor().getStateId());
            withinStateSet.add(currentInnerStateRuntime.getLastProcessor().getStateId());
            withinStates.add(0, new AbstractMap.SimpleEntry<Long, Set<Integer>>(stateElement.getWithin().getValue(), withinStateSet));
        }
        StateElement nextElement = ((NextStateElement) stateElement).getNextStateElement();
        InnerStateRuntime nextInnerStateRuntime = parse(nextElement, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, metaStateEvent, siddhiAppContext, variableExpressionExecutors, processStreamReceiverMap, streamPreStateProcessor, streamPostStateProcessor, stateType, withinStates, latencyTracker, queryName);
        if (stateElement.getWithin() != null) {
            withinStates.remove(0);
        }
        // currentInnerStateRuntime.getFirstProcessor().getStateId()
        currentInnerStateRuntime.getLastProcessor().setNextStatePreProcessor(nextInnerStateRuntime.getFirstProcessor());
        NextInnerStateRuntime nextStateRuntime = new NextInnerStateRuntime(currentInnerStateRuntime, nextInnerStateRuntime, stateType);
        nextStateRuntime.setFirstProcessor(currentInnerStateRuntime.getFirstProcessor());
        nextStateRuntime.setLastProcessor(nextInnerStateRuntime.getLastProcessor());
        for (SingleStreamRuntime singleStreamRuntime : currentInnerStateRuntime.getSingleStreamRuntimeList()) {
            nextStateRuntime.addStreamRuntime(singleStreamRuntime);
        }
        for (SingleStreamRuntime singleStreamRuntime : nextInnerStateRuntime.getSingleStreamRuntimeList()) {
            nextStateRuntime.addStreamRuntime(singleStreamRuntime);
        }
        return nextStateRuntime;
    } else if (stateElement instanceof EveryStateElement) {
        StateElement currentElement = ((EveryStateElement) stateElement).getStateElement();
        InnerStateRuntime innerStateRuntime = parse(currentElement, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, metaStateEvent, siddhiAppContext, variableExpressionExecutors, processStreamReceiverMap, streamPreStateProcessor, streamPostStateProcessor, stateType, withinStates, latencyTracker, queryName);
        EveryInnerStateRuntime everyInnerStateRuntime = new EveryInnerStateRuntime(innerStateRuntime, stateType);
        everyInnerStateRuntime.setFirstProcessor(innerStateRuntime.getFirstProcessor());
        everyInnerStateRuntime.setLastProcessor(innerStateRuntime.getLastProcessor());
        for (SingleStreamRuntime singleStreamRuntime : innerStateRuntime.getSingleStreamRuntimeList()) {
            everyInnerStateRuntime.addStreamRuntime(singleStreamRuntime);
        }
        everyInnerStateRuntime.getLastProcessor().setNextEveryStatePerProcessor(everyInnerStateRuntime.getFirstProcessor());
        return everyInnerStateRuntime;
    } else if (stateElement instanceof LogicalStateElement) {
        LogicalStateElement.Type type = ((LogicalStateElement) stateElement).getType();
        if (stateElement.getWithin() != null) {
            Set<Integer> withinStateset = new HashSet<Integer>();
            withinStateset.add(SiddhiConstants.ANY);
            withinStates.add(0, new AbstractMap.SimpleEntry<Long, Set<Integer>>(stateElement.getWithin().getValue(), withinStateset));
        }
        LogicalPreStateProcessor logicalPreStateProcessor1;
        if (((LogicalStateElement) stateElement).getStreamStateElement1() instanceof AbsentStreamStateElement) {
            logicalPreStateProcessor1 = new AbsentLogicalPreStateProcessor(type, stateType, clonewithinStates(withinStates), ((AbsentStreamStateElement) ((LogicalStateElement) stateElement).getStreamStateElement1()).getWaitingTime());
            // Set the scheduler
            siddhiAppContext.addEternalReferencedHolder((AbsentLogicalPreStateProcessor) logicalPreStateProcessor1);
            EntryValveProcessor entryValveProcessor = new EntryValveProcessor(siddhiAppContext);
            entryValveProcessor.setToLast(logicalPreStateProcessor1);
            Scheduler scheduler = SchedulerParser.parse(siddhiAppContext.getScheduledExecutorService(), entryValveProcessor, siddhiAppContext);
            ((SchedulingProcessor) logicalPreStateProcessor1).setScheduler(scheduler);
        } else {
            logicalPreStateProcessor1 = new LogicalPreStateProcessor(type, stateType, clonewithinStates(withinStates));
        }
        logicalPreStateProcessor1.init(siddhiAppContext, queryName);
        LogicalPostStateProcessor logicalPostStateProcessor1;
        if (((LogicalStateElement) stateElement).getStreamStateElement1() instanceof AbsentStreamStateElement) {
            logicalPostStateProcessor1 = new AbsentLogicalPostStateProcessor(type);
        } else {
            logicalPostStateProcessor1 = new LogicalPostStateProcessor(type);
        }
        LogicalPreStateProcessor logicalPreStateProcessor2;
        if (((LogicalStateElement) stateElement).getStreamStateElement2() instanceof AbsentStreamStateElement) {
            logicalPreStateProcessor2 = new AbsentLogicalPreStateProcessor(type, stateType, clonewithinStates(withinStates), ((AbsentStreamStateElement) ((LogicalStateElement) stateElement).getStreamStateElement2()).getWaitingTime());
            siddhiAppContext.addEternalReferencedHolder((AbsentLogicalPreStateProcessor) logicalPreStateProcessor2);
            EntryValveProcessor entryValveProcessor = new EntryValveProcessor(siddhiAppContext);
            entryValveProcessor.setToLast(logicalPreStateProcessor2);
            Scheduler scheduler = SchedulerParser.parse(siddhiAppContext.getScheduledExecutorService(), entryValveProcessor, siddhiAppContext);
            ((SchedulingProcessor) logicalPreStateProcessor2).setScheduler(scheduler);
        } else {
            logicalPreStateProcessor2 = new LogicalPreStateProcessor(type, stateType, clonewithinStates(withinStates));
        }
        logicalPreStateProcessor2.init(siddhiAppContext, queryName);
        LogicalPostStateProcessor logicalPostStateProcessor2;
        if (((LogicalStateElement) stateElement).getStreamStateElement2() instanceof AbsentStreamStateElement) {
            logicalPostStateProcessor2 = new AbsentLogicalPostStateProcessor(type);
        } else {
            logicalPostStateProcessor2 = new LogicalPostStateProcessor(type);
        }
        if (stateElement.getWithin() != null) {
            withinStates.remove(0);
        }
        logicalPostStateProcessor1.setPartnerPreStateProcessor(logicalPreStateProcessor2);
        logicalPostStateProcessor2.setPartnerPreStateProcessor(logicalPreStateProcessor1);
        logicalPostStateProcessor1.setPartnerPostStateProcessor(logicalPostStateProcessor2);
        logicalPostStateProcessor2.setPartnerPostStateProcessor(logicalPostStateProcessor1);
        logicalPreStateProcessor1.setPartnerStatePreProcessor(logicalPreStateProcessor2);
        logicalPreStateProcessor2.setPartnerStatePreProcessor(logicalPreStateProcessor1);
        StateElement stateElement2 = ((LogicalStateElement) stateElement).getStreamStateElement2();
        InnerStateRuntime innerStateRuntime2 = parse(stateElement2, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, metaStateEvent, siddhiAppContext, variableExpressionExecutors, processStreamReceiverMap, logicalPreStateProcessor2, logicalPostStateProcessor2, stateType, withinStates, latencyTracker, queryName);
        StateElement stateElement1 = ((LogicalStateElement) stateElement).getStreamStateElement1();
        InnerStateRuntime innerStateRuntime1 = parse(stateElement1, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, metaStateEvent, siddhiAppContext, variableExpressionExecutors, processStreamReceiverMap, logicalPreStateProcessor1, logicalPostStateProcessor1, stateType, withinStates, latencyTracker, queryName);
        LogicalInnerStateRuntime logicalInnerStateRuntime = new LogicalInnerStateRuntime(innerStateRuntime1, innerStateRuntime2, stateType);
        logicalInnerStateRuntime.setFirstProcessor(innerStateRuntime1.getFirstProcessor());
        logicalInnerStateRuntime.setLastProcessor(innerStateRuntime2.getLastProcessor());
        for (SingleStreamRuntime singleStreamRuntime : innerStateRuntime2.getSingleStreamRuntimeList()) {
            logicalInnerStateRuntime.addStreamRuntime(singleStreamRuntime);
        }
        for (SingleStreamRuntime singleStreamRuntime : innerStateRuntime1.getSingleStreamRuntimeList()) {
            logicalInnerStateRuntime.addStreamRuntime(singleStreamRuntime);
        }
        return logicalInnerStateRuntime;
    } else if (stateElement instanceof CountStateElement) {
        int minCount = ((CountStateElement) stateElement).getMinCount();
        int maxCount = ((CountStateElement) stateElement).getMaxCount();
        if (minCount == SiddhiConstants.ANY) {
            minCount = 0;
        }
        if (maxCount == SiddhiConstants.ANY) {
            maxCount = Integer.MAX_VALUE;
        }
        if (stateElement.getWithin() != null) {
            Set<Integer> withinStateset = new HashSet<Integer>();
            withinStateset.add(SiddhiConstants.ANY);
            withinStates.add(0, new AbstractMap.SimpleEntry<Long, Set<Integer>>(stateElement.getWithin().getValue(), withinStateset));
        }
        CountPreStateProcessor countPreStateProcessor = new CountPreStateProcessor(minCount, maxCount, stateType, withinStates);
        countPreStateProcessor.init(siddhiAppContext, queryName);
        CountPostStateProcessor countPostStateProcessor = new CountPostStateProcessor(minCount, maxCount);
        if (stateElement.getWithin() != null) {
            withinStates.remove(0);
        }
        countPreStateProcessor.setCountPostStateProcessor(countPostStateProcessor);
        StateElement currentElement = ((CountStateElement) stateElement).getStreamStateElement();
        InnerStateRuntime innerStateRuntime = parse(currentElement, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, metaStateEvent, siddhiAppContext, variableExpressionExecutors, processStreamReceiverMap, countPreStateProcessor, countPostStateProcessor, stateType, withinStates, latencyTracker, queryName);
        return new CountInnerStateRuntime((StreamInnerStateRuntime) innerStateRuntime);
    } else {
        throw new OperationNotSupportedException();
    }
}

Example 4 with SchedulingProcessor

use of org.wso2.siddhi.core.query.processor.SchedulingProcessor in project siddhi by wso2.

the class Window method init.

/**
 * Initialize the WindowEvent table by creating {@link WindowProcessor} to handle the events.
 *
 * @param tableMap       map of {@link Table}s
 * @param eventWindowMap map of EventWindows
 * @param queryName      name of the query window belongs to.
 */
public void init(Map<String, Table> tableMap, Map<String, Window> eventWindowMap, String queryName) {
    if (this.windowProcessor != null) {
        return;
    }
    // Create and initialize MetaStreamEvent
    MetaStreamEvent metaStreamEvent = new MetaStreamEvent();
    metaStreamEvent.addInputDefinition(windowDefinition);
    metaStreamEvent.setEventType(MetaStreamEvent.EventType.WINDOW);
    metaStreamEvent.initializeAfterWindowData();
    for (Attribute attribute : windowDefinition.getAttributeList()) {
        metaStreamEvent.addOutputData(attribute);
    }
    this.streamEventPool = new StreamEventPool(metaStreamEvent, 5);
    StreamEventCloner streamEventCloner = new StreamEventCloner(metaStreamEvent, this.streamEventPool);
    OutputStream.OutputEventType outputEventType = windowDefinition.getOutputEventType();
    boolean outputExpectsExpiredEvents = outputEventType != OutputStream.OutputEventType.CURRENT_EVENTS;
    WindowProcessor internalWindowProcessor = (WindowProcessor) SingleInputStreamParser.generateProcessor(windowDefinition.getWindow(), metaStreamEvent, new ArrayList<VariableExpressionExecutor>(), this.siddhiAppContext, tableMap, false, outputExpectsExpiredEvents, queryName);
    internalWindowProcessor.setStreamEventCloner(streamEventCloner);
    internalWindowProcessor.constructStreamEventPopulater(metaStreamEvent, 0);
    EntryValveProcessor entryValveProcessor = null;
    if (internalWindowProcessor instanceof SchedulingProcessor) {
        entryValveProcessor = new EntryValveProcessor(this.siddhiAppContext);
        Scheduler scheduler = SchedulerParser.parse(this.siddhiAppContext.getScheduledExecutorService(), entryValveProcessor, this.siddhiAppContext);
        scheduler.init(this.lockWrapper, queryName);
        scheduler.setStreamEventPool(streamEventPool);
        ((SchedulingProcessor) internalWindowProcessor).setScheduler(scheduler);
    }
    if (entryValveProcessor != null) {
        entryValveProcessor.setToLast(internalWindowProcessor);
        this.windowProcessor = entryValveProcessor;
    } else {
        this.windowProcessor = internalWindowProcessor;
    }
    // StreamPublishProcessor must be the last in chain so that it can publish the events to StreamJunction
    this.windowProcessor.setToLast(new StreamPublishProcessor(outputEventType));
    this.internalWindowProcessor = internalWindowProcessor;
}

Example 5 with SchedulingProcessor

use of org.wso2.siddhi.core.query.processor.SchedulingProcessor in project siddhi by wso2.

the class QueryParserHelper method initSingleStreamRuntime.

private static void initSingleStreamRuntime(SingleStreamRuntime singleStreamRuntime, int streamEventChainIndex, MetaComplexEvent metaComplexEvent, StateEventPool stateEventPool, LockWrapper lockWrapper, String queryName) {
    MetaStreamEvent metaStreamEvent;
    if (metaComplexEvent instanceof MetaStateEvent) {
        metaStreamEvent = ((MetaStateEvent) metaComplexEvent).getMetaStreamEvent(streamEventChainIndex);
    } else {
        metaStreamEvent = (MetaStreamEvent) metaComplexEvent;
    }
    StreamEventPool streamEventPool = new StreamEventPool(metaStreamEvent, 5);
    ProcessStreamReceiver processStreamReceiver = singleStreamRuntime.getProcessStreamReceiver();
    processStreamReceiver.setMetaStreamEvent(metaStreamEvent);
    processStreamReceiver.setStreamEventPool(streamEventPool);
    processStreamReceiver.setLockWrapper(lockWrapper);
    processStreamReceiver.init();
    Processor processor = singleStreamRuntime.getProcessorChain();
    while (processor != null) {
        if (processor instanceof SchedulingProcessor) {
            ((SchedulingProcessor) processor).getScheduler().setStreamEventPool(streamEventPool);
            ((SchedulingProcessor) processor).getScheduler().init(lockWrapper, queryName);
        }
        if (processor instanceof AbstractStreamProcessor) {
            ((AbstractStreamProcessor) processor).setStreamEventCloner(new StreamEventCloner(metaStreamEvent, streamEventPool));
            ((AbstractStreamProcessor) processor).constructStreamEventPopulater(metaStreamEvent, streamEventChainIndex);
        }
        if (stateEventPool != null && processor instanceof JoinProcessor) {
            if (((JoinProcessor) processor).getCompiledCondition() instanceof IncrementalAggregateCompileCondition) {
                IncrementalAggregateCompileCondition compiledCondition = (IncrementalAggregateCompileCondition) ((JoinProcessor) processor).getCompiledCondition();
                ComplexEventPopulater complexEventPopulater = StreamEventPopulaterFactory.constructEventPopulator(metaStreamEvent, 0, compiledCondition.getAdditionalAttributes());
                compiledCondition.setComplexEventPopulater(complexEventPopulater);
            }
            ((JoinProcessor) processor).setStateEventPool(stateEventPool);
            ((JoinProcessor) processor).setJoinLock(lockWrapper);
        }
        if (stateEventPool != null && processor instanceof StreamPreStateProcessor) {
            ((StreamPreStateProcessor) processor).setStateEventPool(stateEventPool);
            ((StreamPreStateProcessor) processor).setStreamEventPool(streamEventPool);
            ((StreamPreStateProcessor) processor).setStreamEventCloner(new StreamEventCloner(metaStreamEvent, streamEventPool));
            if (metaComplexEvent instanceof MetaStateEvent) {
                ((StreamPreStateProcessor) processor).setStateEventCloner(new StateEventCloner(((MetaStateEvent) metaComplexEvent), stateEventPool));
            }
        }
        processor = processor.getNextProcessor();
    }
}