Examples with StreamPreStateProcessor org.wso2.siddhi.core.query.input.stream.state.StreamPreStateProcessor used on opensource projects

Example 1 with StreamPreStateProcessor

use of org.wso2.siddhi.core.query.input.stream.state.StreamPreStateProcessor in project siddhi by wso2.

the class SingleProcessStreamReceiver method processAndClear.

protected void processAndClear(ComplexEventChunk<StreamEvent> streamEventChunk) {
    ComplexEventChunk<StateEvent> retEventChunk = new ComplexEventChunk<StateEvent>(false);
    synchronized (lockKey) {
        while (streamEventChunk.hasNext()) {
            StreamEvent streamEvent = streamEventChunk.next();
            streamEventChunk.remove();
            stabilizeStates();
            currentStreamEventChunk.add(streamEvent);
            ComplexEventChunk<StateEvent> eventChunk = ((StreamPreStateProcessor) next).processAndReturn(currentStreamEventChunk);
            if (eventChunk.getFirst() != null) {
                retEventChunk.add(eventChunk.getFirst());
            }
            eventChunk.clear();
            currentStreamEventChunk.clear();
        }
    }
    while (retEventChunk.hasNext()) {
        StateEvent stateEvent = retEventChunk.next();
        retEventChunk.remove();
        querySelector.process(new ComplexEventChunk<StateEvent>(stateEvent, stateEvent, false));
    }
}

Example 2 with StreamPreStateProcessor

use of org.wso2.siddhi.core.query.input.stream.state.StreamPreStateProcessor in project siddhi by wso2.

the class StateMultiProcessStreamReceiver method processAndClear.

protected void processAndClear(int processIndex, StreamEvent streamEvent) {
    ComplexEventChunk<StateEvent> retEventChunk = new ComplexEventChunk<StateEvent>(batchProcessingAllowed);
    ComplexEventChunk<StreamEvent> currentStreamEventChunk = new ComplexEventChunk<StreamEvent>(streamEvent, streamEvent, batchProcessingAllowed);
    ComplexEventChunk<StateEvent> eventChunk = ((StreamPreStateProcessor) nextProcessors[processIndex]).processAndReturn(currentStreamEventChunk);
    if (eventChunk.getFirst() != null) {
        retEventChunk.add(eventChunk.getFirst());
    }
    eventChunk.clear();
    if (querySelector != null) {
        while (retEventChunk.hasNext()) {
            StateEvent stateEvent = retEventChunk.next();
            retEventChunk.remove();
            querySelector.process(new ComplexEventChunk<StateEvent>(stateEvent, stateEvent, batchProcessingAllowed));
        }
    }
}

Example 3 with StreamPreStateProcessor

use of org.wso2.siddhi.core.query.input.stream.state.StreamPreStateProcessor in project siddhi by wso2.

the class AbsentStreamPreStateProcessor method cloneProcessor.

@Override
public PreStateProcessor cloneProcessor(String key) {
    AbsentStreamPreStateProcessor streamPreStateProcessor = new AbsentStreamPreStateProcessor(stateType, withinStates, waitingTimeConstant);
    cloneProperties(streamPreStateProcessor, key);
    streamPreStateProcessor.init(siddhiAppContext, queryName);
    // Set the scheduler
    siddhiAppContext.addEternalReferencedHolder(streamPreStateProcessor);
    EntryValveProcessor entryValveProcessor = new EntryValveProcessor(siddhiAppContext);
    entryValveProcessor.setToLast(streamPreStateProcessor);
    Scheduler scheduler = SchedulerParser.parse(siddhiAppContext.getScheduledExecutorService(), entryValveProcessor, siddhiAppContext);
    streamPreStateProcessor.setScheduler(scheduler);
    return streamPreStateProcessor;
}

Example 4 with StreamPreStateProcessor

use of org.wso2.siddhi.core.query.input.stream.state.StreamPreStateProcessor in project siddhi by wso2.

the class StreamInnerStateRuntime method clone.

@Override
public InnerStateRuntime clone(String key) {
    StreamInnerStateRuntime streamInnerStateRuntime = new StreamInnerStateRuntime(stateType);
    for (SingleStreamRuntime singleStreamRuntime : singleStreamRuntimeList) {
        streamInnerStateRuntime.singleStreamRuntimeList.add((SingleStreamRuntime) singleStreamRuntime.clone(key));
    }
    Processor processor = streamInnerStateRuntime.singleStreamRuntimeList.get(0).getProcessorChain();
    streamInnerStateRuntime.firstProcessor = (StreamPreStateProcessor) processor;
    while (processor != null) {
        if (processor instanceof StreamPostStateProcessor) {
            streamInnerStateRuntime.lastProcessor = (StreamPostStateProcessor) processor;
            break;
        } else {
            processor = processor.getNextProcessor();
        }
    }
    ((StreamPostStateProcessor) streamInnerStateRuntime.lastProcessor).setThisStatePreProcessor((StreamPreStateProcessor) streamInnerStateRuntime.firstProcessor);
    ((StreamPreStateProcessor) streamInnerStateRuntime.firstProcessor).setThisStatePostProcessor((StreamPostStateProcessor) streamInnerStateRuntime.lastProcessor);
    ((StreamPreStateProcessor) streamInnerStateRuntime.firstProcessor).setThisLastProcessor((StreamPostStateProcessor) streamInnerStateRuntime.lastProcessor);
    return streamInnerStateRuntime;
}

Example 5 with StreamPreStateProcessor

use of org.wso2.siddhi.core.query.input.stream.state.StreamPreStateProcessor 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();
    }
}