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

Example 6 with Processor

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

the class JoinStreamRuntime method clone.

@Override
public StreamRuntime clone(String key) {
    JoinStreamRuntime joinStreamRuntime = new JoinStreamRuntime(siddhiAppContext, metaStateEvent);
    for (SingleStreamRuntime singleStreamRuntime : singleStreamRuntimeList) {
        joinStreamRuntime.addRuntime((SingleStreamRuntime) singleStreamRuntime.clone(key));
    }
    SingleStreamRuntime leftSingleStreamRuntime = joinStreamRuntime.getSingleStreamRuntimes().get(0);
    SingleStreamRuntime rightSingleStreamRuntime = joinStreamRuntime.getSingleStreamRuntimes().get(1);
    Processor lastLeftProcessor = leftSingleStreamRuntime.getProcessorChain();
    while (!(lastLeftProcessor instanceof JoinProcessor)) {
        lastLeftProcessor = lastLeftProcessor.getNextProcessor();
    }
    JoinProcessor leftPreJoinProcessor = (JoinProcessor) lastLeftProcessor;
    WindowProcessor leftWindowProcessor = (WindowProcessor) leftPreJoinProcessor.getNextProcessor();
    JoinProcessor leftPostJoinProcessor = (JoinProcessor) leftWindowProcessor.getNextProcessor();
    Processor lastRightProcessor = rightSingleStreamRuntime.getProcessorChain();
    while (!(lastRightProcessor instanceof JoinProcessor)) {
        lastRightProcessor = lastRightProcessor.getNextProcessor();
    }
    JoinProcessor rightPreJoinProcessor = (JoinProcessor) lastRightProcessor;
    WindowProcessor rightWindowProcessor = (WindowProcessor) rightPreJoinProcessor.getNextProcessor();
    JoinProcessor rightPostJoinProcessor = (JoinProcessor) rightWindowProcessor.getNextProcessor();
    rightPostJoinProcessor.setFindableProcessor((FindableProcessor) leftWindowProcessor);
    rightPreJoinProcessor.setFindableProcessor((FindableProcessor) leftWindowProcessor);
    leftPreJoinProcessor.setFindableProcessor((FindableProcessor) rightWindowProcessor);
    leftPostJoinProcessor.setFindableProcessor((FindableProcessor) rightWindowProcessor);
    return joinStreamRuntime;
}

Example 7 with Processor

use of org.wso2.siddhi.core.query.processor.Processor 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 8 with Processor

use of org.wso2.siddhi.core.query.processor.Processor 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 9 with Processor

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

the class FrequentWindowProcessor method process.

@Override
protected void process(ComplexEventChunk<StreamEvent> streamEventChunk, Processor nextProcessor, StreamEventCloner streamEventCloner) {
    synchronized (this) {
        StreamEvent streamEvent = streamEventChunk.getFirst();
        streamEventChunk.clear();
        long currentTime = siddhiAppContext.getTimestampGenerator().currentTime();
        while (streamEvent != null) {
            StreamEvent next = streamEvent.getNext();
            streamEvent.setNext(null);
            StreamEvent clonedEvent = streamEventCloner.copyStreamEvent(streamEvent);
            clonedEvent.setType(StreamEvent.Type.EXPIRED);
            String key = generateKey(streamEvent);
            StreamEvent oldEvent = map.put(key, clonedEvent);
            if (oldEvent != null) {
                countMap.put(key, countMap.get(key) + 1);
                streamEventChunk.add(streamEvent);
            } else {
                // This is a new event
                if (map.size() > mostFrequentCount) {
                    List<String> keys = new ArrayList<String>(countMap.keySet());
                    for (int i = 0; i < mostFrequentCount; i++) {
                        int count = countMap.get(keys.get(i)) - 1;
                        if (count == 0) {
                            countMap.remove(keys.get(i));
                            StreamEvent expiredEvent = map.remove(keys.get(i));
                            expiredEvent.setTimestamp(currentTime);
                            streamEventChunk.add(expiredEvent);
                        } else {
                            countMap.put(keys.get(i), count);
                        }
                    }
                    // now we have tried to remove one for newly added item
                    if (map.size() > mostFrequentCount) {
                        // nothing happend by the attempt to remove one from the
                        // map so we are ignoring this event
                        map.remove(key);
                    // Here we do nothing just drop the message
                    } else {
                        // we got some space, event is already there in map object
                        // we just have to add it to the countMap
                        countMap.put(key, 1);
                        streamEventChunk.add(streamEvent);
                    }
                } else {
                    countMap.put(generateKey(streamEvent), 1);
                    streamEventChunk.add(streamEvent);
                }
            }
            streamEvent = next;
        }
    }
    nextProcessor.process(streamEventChunk);
}

Example 10 with Processor

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

the class LengthBatchWindowProcessor method process.

@Override
protected void process(ComplexEventChunk<StreamEvent> streamEventChunk, Processor nextProcessor, StreamEventCloner streamEventCloner) {
    List<ComplexEventChunk<StreamEvent>> streamEventChunks = new ArrayList<ComplexEventChunk<StreamEvent>>();
    synchronized (this) {
        ComplexEventChunk<StreamEvent> outputStreamEventChunk = new ComplexEventChunk<StreamEvent>(true);
        long currentTime = siddhiAppContext.getTimestampGenerator().currentTime();
        while (streamEventChunk.hasNext()) {
            StreamEvent streamEvent = streamEventChunk.next();
            StreamEvent clonedStreamEvent = streamEventCloner.copyStreamEvent(streamEvent);
            currentEventChunk.add(clonedStreamEvent);
            count++;
            if (count == length) {
                if (outputExpectsExpiredEvents) {
                    if (expiredEventChunk.getFirst() != null) {
                        while (expiredEventChunk.hasNext()) {
                            StreamEvent expiredEvent = expiredEventChunk.next();
                            expiredEvent.setTimestamp(currentTime);
                        }
                        outputStreamEventChunk.add(expiredEventChunk.getFirst());
                    }
                }
                if (expiredEventChunk != null) {
                    expiredEventChunk.clear();
                }
                if (currentEventChunk.getFirst() != null) {
                    // add reset event in front of current events
                    outputStreamEventChunk.add(resetEvent);
                    resetEvent = null;
                    if (expiredEventChunk != null) {
                        currentEventChunk.reset();
                        while (currentEventChunk.hasNext()) {
                            StreamEvent currentEvent = currentEventChunk.next();
                            StreamEvent toExpireEvent = streamEventCloner.copyStreamEvent(currentEvent);
                            toExpireEvent.setType(StreamEvent.Type.EXPIRED);
                            expiredEventChunk.add(toExpireEvent);
                        }
                    }
                    resetEvent = streamEventCloner.copyStreamEvent(currentEventChunk.getFirst());
                    resetEvent.setType(ComplexEvent.Type.RESET);
                    outputStreamEventChunk.add(currentEventChunk.getFirst());
                }
                currentEventChunk.clear();
                count = 0;
                if (outputStreamEventChunk.getFirst() != null) {
                    streamEventChunks.add(outputStreamEventChunk);
                }
            }
        }
    }
    for (ComplexEventChunk<StreamEvent> outputStreamEventChunk : streamEventChunks) {
        nextProcessor.process(outputStreamEventChunk);
    }
}