Search in sources :

Example 6 with StreamRuntime

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

the class JoinInputStreamParser method parseInputStream.

public static StreamRuntime parseInputStream(JoinInputStream joinInputStream, SiddhiAppContext siddhiAppContext, Map<String, AbstractDefinition> streamDefinitionMap, Map<String, AbstractDefinition> tableDefinitionMap, Map<String, AbstractDefinition> windowDefinitionMap, Map<String, AbstractDefinition> aggregationDefinitionMap, Map<String, Table> tableMap, Map<String, Window> windowMap, Map<String, AggregationRuntime> aggregationMap, List<VariableExpressionExecutor> executors, LatencyTracker latencyTracker, boolean outputExpectsExpiredEvents, String queryName) {
    try {
        ProcessStreamReceiver leftProcessStreamReceiver;
        ProcessStreamReceiver rightProcessStreamReceiver;
        MetaStreamEvent leftMetaStreamEvent = new MetaStreamEvent();
        MetaStreamEvent rightMetaStreamEvent = new MetaStreamEvent();
        String leftInputStreamId = ((SingleInputStream) joinInputStream.getLeftInputStream()).getStreamId();
        String rightInputStreamId = ((SingleInputStream) joinInputStream.getRightInputStream()).getStreamId();
        boolean leftOuterJoinProcessor = false;
        boolean rightOuterJoinProcessor = false;
        if (joinInputStream.getAllStreamIds().size() == 2) {
            setEventType(streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, leftMetaStreamEvent, leftInputStreamId);
            setEventType(streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, rightMetaStreamEvent, rightInputStreamId);
            leftProcessStreamReceiver = new ProcessStreamReceiver(leftInputStreamId, latencyTracker, queryName, siddhiAppContext);
            leftProcessStreamReceiver.setBatchProcessingAllowed(leftMetaStreamEvent.getEventType() == WINDOW);
            rightProcessStreamReceiver = new ProcessStreamReceiver(rightInputStreamId, latencyTracker, queryName, siddhiAppContext);
            rightProcessStreamReceiver.setBatchProcessingAllowed(rightMetaStreamEvent.getEventType() == WINDOW);
            if ((leftMetaStreamEvent.getEventType() == TABLE || leftMetaStreamEvent.getEventType() == AGGREGATE) && (rightMetaStreamEvent.getEventType() == TABLE || rightMetaStreamEvent.getEventType() == AGGREGATE)) {
                throw new SiddhiAppCreationException("Both inputs of join " + leftInputStreamId + " and " + rightInputStreamId + " are from static sources");
            }
            if (leftMetaStreamEvent.getEventType() != AGGREGATE && rightMetaStreamEvent.getEventType() != AGGREGATE) {
                if (joinInputStream.getPer() != null) {
                    throw new SiddhiAppCreationException("When joining " + leftInputStreamId + " and " + rightInputStreamId + " 'per' cannot be used as neither of them is an aggregation ");
                } else if (joinInputStream.getWithin() != null) {
                    throw new SiddhiAppCreationException("When joining " + leftInputStreamId + " and " + rightInputStreamId + " 'within' cannot be used as neither of them is an aggregation ");
                }
            }
        } else {
            if (windowDefinitionMap.containsKey(joinInputStream.getAllStreamIds().get(0))) {
                leftMetaStreamEvent.setEventType(WINDOW);
                rightMetaStreamEvent.setEventType(WINDOW);
                rightProcessStreamReceiver = new MultiProcessStreamReceiver(joinInputStream.getAllStreamIds().get(0), 1, latencyTracker, queryName, siddhiAppContext);
                rightProcessStreamReceiver.setBatchProcessingAllowed(true);
                leftProcessStreamReceiver = rightProcessStreamReceiver;
            } else if (streamDefinitionMap.containsKey(joinInputStream.getAllStreamIds().get(0))) {
                rightProcessStreamReceiver = new MultiProcessStreamReceiver(joinInputStream.getAllStreamIds().get(0), 2, latencyTracker, queryName, siddhiAppContext);
                leftProcessStreamReceiver = rightProcessStreamReceiver;
            } else {
                throw new SiddhiAppCreationException("Input of join is from static source " + leftInputStreamId + " and " + rightInputStreamId);
            }
        }
        SingleStreamRuntime leftStreamRuntime = SingleInputStreamParser.parseInputStream((SingleInputStream) joinInputStream.getLeftInputStream(), siddhiAppContext, executors, streamDefinitionMap, leftMetaStreamEvent.getEventType() != TABLE ? null : tableDefinitionMap, leftMetaStreamEvent.getEventType() != WINDOW ? null : windowDefinitionMap, leftMetaStreamEvent.getEventType() != AGGREGATE ? null : aggregationDefinitionMap, tableMap, leftMetaStreamEvent, leftProcessStreamReceiver, true, outputExpectsExpiredEvents, queryName);
        for (VariableExpressionExecutor variableExpressionExecutor : executors) {
            variableExpressionExecutor.getPosition()[SiddhiConstants.STREAM_EVENT_CHAIN_INDEX] = 0;
        }
        int size = executors.size();
        SingleStreamRuntime rightStreamRuntime = SingleInputStreamParser.parseInputStream((SingleInputStream) joinInputStream.getRightInputStream(), siddhiAppContext, executors, streamDefinitionMap, rightMetaStreamEvent.getEventType() != TABLE ? null : tableDefinitionMap, rightMetaStreamEvent.getEventType() != WINDOW ? null : windowDefinitionMap, rightMetaStreamEvent.getEventType() != AGGREGATE ? null : aggregationDefinitionMap, tableMap, rightMetaStreamEvent, rightProcessStreamReceiver, true, outputExpectsExpiredEvents, queryName);
        for (int i = size; i < executors.size(); i++) {
            VariableExpressionExecutor variableExpressionExecutor = executors.get(i);
            variableExpressionExecutor.getPosition()[SiddhiConstants.STREAM_EVENT_CHAIN_INDEX] = 1;
        }
        setStreamRuntimeProcessorChain(leftMetaStreamEvent, leftStreamRuntime, leftInputStreamId, tableMap, windowMap, aggregationMap, executors, outputExpectsExpiredEvents, queryName, joinInputStream.getWithin(), joinInputStream.getPer(), siddhiAppContext, joinInputStream.getLeftInputStream());
        setStreamRuntimeProcessorChain(rightMetaStreamEvent, rightStreamRuntime, rightInputStreamId, tableMap, windowMap, aggregationMap, executors, outputExpectsExpiredEvents, queryName, joinInputStream.getWithin(), joinInputStream.getPer(), siddhiAppContext, joinInputStream.getRightInputStream());
        MetaStateEvent metaStateEvent = new MetaStateEvent(2);
        metaStateEvent.addEvent(leftMetaStreamEvent);
        metaStateEvent.addEvent(rightMetaStreamEvent);
        switch(joinInputStream.getType()) {
            case FULL_OUTER_JOIN:
                leftOuterJoinProcessor = true;
                rightOuterJoinProcessor = true;
                break;
            case RIGHT_OUTER_JOIN:
                rightOuterJoinProcessor = true;
                break;
            case LEFT_OUTER_JOIN:
                leftOuterJoinProcessor = true;
                break;
        }
        JoinProcessor leftPreJoinProcessor = new JoinProcessor(true, true, leftOuterJoinProcessor, 0);
        JoinProcessor leftPostJoinProcessor = new JoinProcessor(true, false, leftOuterJoinProcessor, 0);
        FindableProcessor leftFindableProcessor = insertJoinProcessorsAndGetFindable(leftPreJoinProcessor, leftPostJoinProcessor, leftStreamRuntime, siddhiAppContext, outputExpectsExpiredEvents, queryName, joinInputStream.getLeftInputStream());
        JoinProcessor rightPreJoinProcessor = new JoinProcessor(false, true, rightOuterJoinProcessor, 1);
        JoinProcessor rightPostJoinProcessor = new JoinProcessor(false, false, rightOuterJoinProcessor, 1);
        FindableProcessor rightFindableProcessor = insertJoinProcessorsAndGetFindable(rightPreJoinProcessor, rightPostJoinProcessor, rightStreamRuntime, siddhiAppContext, outputExpectsExpiredEvents, queryName, joinInputStream.getRightInputStream());
        leftPreJoinProcessor.setFindableProcessor(rightFindableProcessor);
        leftPostJoinProcessor.setFindableProcessor(rightFindableProcessor);
        rightPreJoinProcessor.setFindableProcessor(leftFindableProcessor);
        rightPostJoinProcessor.setFindableProcessor(leftFindableProcessor);
        Expression compareCondition = joinInputStream.getOnCompare();
        if (compareCondition == null) {
            compareCondition = Expression.value(true);
        }
        MatchingMetaInfoHolder rightMatchingMetaInfoHolder = MatcherParser.constructMatchingMetaStateHolder(metaStateEvent, 0, rightMetaStreamEvent.getLastInputDefinition(), UNKNOWN_STATE);
        CompiledCondition leftCompiledCondition = rightFindableProcessor.compileCondition(compareCondition, rightMatchingMetaInfoHolder, siddhiAppContext, executors, tableMap, queryName);
        MatchingMetaInfoHolder leftMatchingMetaInfoHolder = MatcherParser.constructMatchingMetaStateHolder(metaStateEvent, 1, leftMetaStreamEvent.getLastInputDefinition(), UNKNOWN_STATE);
        CompiledCondition rightCompiledCondition = leftFindableProcessor.compileCondition(compareCondition, leftMatchingMetaInfoHolder, siddhiAppContext, executors, tableMap, queryName);
        if (joinInputStream.getTrigger() != JoinInputStream.EventTrigger.LEFT) {
            populateJoinProcessors(rightMetaStreamEvent, rightInputStreamId, rightPreJoinProcessor, rightPostJoinProcessor, rightCompiledCondition);
        }
        if (joinInputStream.getTrigger() != JoinInputStream.EventTrigger.RIGHT) {
            populateJoinProcessors(leftMetaStreamEvent, leftInputStreamId, leftPreJoinProcessor, leftPostJoinProcessor, leftCompiledCondition);
        }
        JoinStreamRuntime joinStreamRuntime = new JoinStreamRuntime(siddhiAppContext, metaStateEvent);
        joinStreamRuntime.addRuntime(leftStreamRuntime);
        joinStreamRuntime.addRuntime(rightStreamRuntime);
        return joinStreamRuntime;
    } catch (Throwable t) {
        ExceptionUtil.populateQueryContext(t, joinInputStream, siddhiAppContext);
        throw t;
    }
}
Also used : MultiProcessStreamReceiver(org.wso2.siddhi.core.query.input.MultiProcessStreamReceiver) ProcessStreamReceiver(org.wso2.siddhi.core.query.input.ProcessStreamReceiver) FindableProcessor(org.wso2.siddhi.core.query.processor.stream.window.FindableProcessor) SiddhiAppCreationException(org.wso2.siddhi.core.exception.SiddhiAppCreationException) SingleStreamRuntime(org.wso2.siddhi.core.query.input.stream.single.SingleStreamRuntime) JoinStreamRuntime(org.wso2.siddhi.core.query.input.stream.join.JoinStreamRuntime) VariableExpressionExecutor(org.wso2.siddhi.core.executor.VariableExpressionExecutor) MultiProcessStreamReceiver(org.wso2.siddhi.core.query.input.MultiProcessStreamReceiver) MetaStateEvent(org.wso2.siddhi.core.event.state.MetaStateEvent) CompiledCondition(org.wso2.siddhi.core.util.collection.operator.CompiledCondition) Expression(org.wso2.siddhi.query.api.expression.Expression) SingleInputStream(org.wso2.siddhi.query.api.execution.query.input.stream.SingleInputStream) MatchingMetaInfoHolder(org.wso2.siddhi.core.util.collection.operator.MatchingMetaInfoHolder) JoinProcessor(org.wso2.siddhi.core.query.input.stream.join.JoinProcessor) MetaStreamEvent(org.wso2.siddhi.core.event.stream.MetaStreamEvent)

Example 7 with StreamRuntime

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

the class QueryParserHelper method initStreamRuntime.

public static void initStreamRuntime(StreamRuntime runtime, MetaComplexEvent metaComplexEvent, LockWrapper lockWrapper, String queryName) {
    if (runtime instanceof SingleStreamRuntime) {
        initSingleStreamRuntime((SingleStreamRuntime) runtime, 0, metaComplexEvent, null, lockWrapper, queryName);
    } else {
        MetaStateEvent metaStateEvent = (MetaStateEvent) metaComplexEvent;
        StateEventPool stateEventPool = new StateEventPool(metaStateEvent, 5);
        MetaStreamEvent[] metaStreamEvents = metaStateEvent.getMetaStreamEvents();
        for (int i = 0, metaStreamEventsLength = metaStreamEvents.length; i < metaStreamEventsLength; i++) {
            initSingleStreamRuntime(runtime.getSingleStreamRuntimes().get(i), i, metaStateEvent, stateEventPool, lockWrapper, queryName);
        }
    }
}
Also used : StateEventPool(org.wso2.siddhi.core.event.state.StateEventPool) SingleStreamRuntime(org.wso2.siddhi.core.query.input.stream.single.SingleStreamRuntime) MetaStreamEvent(org.wso2.siddhi.core.event.stream.MetaStreamEvent) MetaStateEvent(org.wso2.siddhi.core.event.state.MetaStateEvent)

Example 8 with StreamRuntime

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

the class InputStreamParser method parse.

/**
 * Parse an InputStream returning corresponding StreamRuntime
 *
 * @param inputStream                input stream to be parsed
 * @param siddhiAppContext           associated siddhi siddhiAppContext
 * @param streamDefinitionMap        map containing user given stream definitions
 * @param tableDefinitionMap         table definition map
 * @param windowDefinitionMap        window definition map
 * @param aggregationDefinitionMap   aggregation definition map
 * @param tableMap                   Table Map
 * @param windowMap                  event window map
 * @param aggregationMap             aggregator map
 * @param executors                  List to hold VariableExpressionExecutors to update after query parsing
 * @param latencyTracker             latency tracker
 * @param outputExpectsExpiredEvents is output expects ExpiredEvents
 * @param queryName                  query name of input stream belongs to.
 * @return StreamRuntime
 */
public static StreamRuntime parse(InputStream inputStream, SiddhiAppContext siddhiAppContext, Map<String, AbstractDefinition> streamDefinitionMap, Map<String, AbstractDefinition> tableDefinitionMap, Map<String, AbstractDefinition> windowDefinitionMap, Map<String, AbstractDefinition> aggregationDefinitionMap, Map<String, Table> tableMap, Map<String, Window> windowMap, Map<String, AggregationRuntime> aggregationMap, List<VariableExpressionExecutor> executors, LatencyTracker latencyTracker, boolean outputExpectsExpiredEvents, String queryName) {
    if (inputStream instanceof BasicSingleInputStream || inputStream instanceof SingleInputStream) {
        SingleInputStream singleInputStream = (SingleInputStream) inputStream;
        Window window = windowMap.get(singleInputStream.getStreamId());
        // If stream is from window, allow batch
        boolean batchProcessingAllowed = window != null;
        // processing
        ProcessStreamReceiver processStreamReceiver = new ProcessStreamReceiver(singleInputStream.getStreamId(), latencyTracker, queryName, siddhiAppContext);
        processStreamReceiver.setBatchProcessingAllowed(batchProcessingAllowed);
        return SingleInputStreamParser.parseInputStream((SingleInputStream) inputStream, siddhiAppContext, executors, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, new MetaStreamEvent(), processStreamReceiver, true, outputExpectsExpiredEvents, queryName);
    } else if (inputStream instanceof JoinInputStream) {
        return JoinInputStreamParser.parseInputStream(((JoinInputStream) inputStream), siddhiAppContext, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, windowMap, aggregationMap, executors, latencyTracker, outputExpectsExpiredEvents, queryName);
    } else if (inputStream instanceof StateInputStream) {
        MetaStateEvent metaStateEvent = new MetaStateEvent(inputStream.getAllStreamIds().size());
        return StateInputStreamParser.parseInputStream(((StateInputStream) inputStream), siddhiAppContext, metaStateEvent, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, executors, latencyTracker, queryName);
    } else {
        throw new OperationNotSupportedException();
    }
}
Also used : Window(org.wso2.siddhi.core.window.Window) OperationNotSupportedException(org.wso2.siddhi.core.exception.OperationNotSupportedException) ProcessStreamReceiver(org.wso2.siddhi.core.query.input.ProcessStreamReceiver) SingleInputStream(org.wso2.siddhi.query.api.execution.query.input.stream.SingleInputStream) BasicSingleInputStream(org.wso2.siddhi.query.api.execution.query.input.stream.BasicSingleInputStream) JoinInputStream(org.wso2.siddhi.query.api.execution.query.input.stream.JoinInputStream) BasicSingleInputStream(org.wso2.siddhi.query.api.execution.query.input.stream.BasicSingleInputStream) StateInputStream(org.wso2.siddhi.query.api.execution.query.input.stream.StateInputStream) MetaStreamEvent(org.wso2.siddhi.core.event.stream.MetaStreamEvent) MetaStateEvent(org.wso2.siddhi.core.event.state.MetaStateEvent)

Example 9 with StreamRuntime

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

the class JoinInputStreamParser method setStreamRuntimeProcessorChain.

private static void setStreamRuntimeProcessorChain(MetaStreamEvent metaStreamEvent, SingleStreamRuntime streamRuntime, String inputStreamId, Map<String, Table> tableMap, Map<String, Window> windowMap, Map<String, AggregationRuntime> aggregationMap, List<VariableExpressionExecutor> variableExpressionExecutors, boolean outputExpectsExpiredEvents, String queryName, Within within, Expression per, SiddhiAppContext siddhiAppContext, InputStream inputStream) {
    switch(metaStreamEvent.getEventType()) {
        case TABLE:
            TableWindowProcessor tableWindowProcessor = new TableWindowProcessor(tableMap.get(inputStreamId));
            tableWindowProcessor.initProcessor(metaStreamEvent.getLastInputDefinition(), new ExpressionExecutor[0], null, siddhiAppContext, outputExpectsExpiredEvents, queryName, inputStream);
            streamRuntime.setProcessorChain(tableWindowProcessor);
            break;
        case WINDOW:
            WindowWindowProcessor windowWindowProcessor = new WindowWindowProcessor(windowMap.get(inputStreamId));
            windowWindowProcessor.initProcessor(metaStreamEvent.getLastInputDefinition(), variableExpressionExecutors.toArray(new ExpressionExecutor[0]), null, siddhiAppContext, outputExpectsExpiredEvents, queryName, inputStream);
            streamRuntime.setProcessorChain(windowWindowProcessor);
            break;
        case AGGREGATE:
            AggregationRuntime aggregationRuntime = aggregationMap.get(inputStreamId);
            AggregateWindowProcessor aggregateWindowProcessor = new AggregateWindowProcessor(aggregationRuntime, within, per);
            aggregateWindowProcessor.initProcessor(metaStreamEvent.getLastInputDefinition(), variableExpressionExecutors.toArray(new ExpressionExecutor[0]), null, siddhiAppContext, outputExpectsExpiredEvents, queryName, inputStream);
            streamRuntime.setProcessorChain(aggregateWindowProcessor);
            break;
        case DEFAULT:
            break;
    }
}
Also used : AggregateWindowProcessor(org.wso2.siddhi.core.query.processor.stream.window.AggregateWindowProcessor) TableWindowProcessor(org.wso2.siddhi.core.query.processor.stream.window.TableWindowProcessor) VariableExpressionExecutor(org.wso2.siddhi.core.executor.VariableExpressionExecutor) ExpressionExecutor(org.wso2.siddhi.core.executor.ExpressionExecutor) ConstantExpressionExecutor(org.wso2.siddhi.core.executor.ConstantExpressionExecutor) WindowWindowProcessor(org.wso2.siddhi.core.query.processor.stream.window.WindowWindowProcessor) AggregationRuntime(org.wso2.siddhi.core.aggregation.AggregationRuntime)

Example 10 with StreamRuntime

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

the class QueryParser method parse.

/**
 * Parse a query and return corresponding QueryRuntime.
 *
 * @param query                    query to be parsed.
 * @param siddhiAppContext         associated Siddhi app context.
 * @param streamDefinitionMap      keyvalue containing user given stream definitions.
 * @param tableDefinitionMap       keyvalue containing table definitions.
 * @param windowDefinitionMap      keyvalue containing window definition map.
 * @param aggregationDefinitionMap keyvalue containing aggregation definition map.
 * @param tableMap                 keyvalue containing event tables.
 * @param aggregationMap           keyvalue containing aggrigation runtimes.
 * @param windowMap                keyvalue containing event window map.
 * @param lockSynchronizer         Lock synchronizer for sync the lock across queries.
 * @param queryIndex               query index to identify unknown query by number
 * @return queryRuntime
 */
public static QueryRuntime parse(Query query, SiddhiAppContext siddhiAppContext, Map<String, AbstractDefinition> streamDefinitionMap, Map<String, AbstractDefinition> tableDefinitionMap, Map<String, AbstractDefinition> windowDefinitionMap, Map<String, AbstractDefinition> aggregationDefinitionMap, Map<String, Table> tableMap, Map<String, AggregationRuntime> aggregationMap, Map<String, Window> windowMap, LockSynchronizer lockSynchronizer, String queryIndex) {
    List<VariableExpressionExecutor> executors = new ArrayList<VariableExpressionExecutor>();
    QueryRuntime queryRuntime;
    Element nameElement = null;
    LatencyTracker latencyTracker = null;
    LockWrapper lockWrapper = null;
    try {
        nameElement = AnnotationHelper.getAnnotationElement("info", "name", query.getAnnotations());
        String queryName = null;
        if (nameElement != null) {
            queryName = nameElement.getValue();
        } else {
            queryName = "query_" + queryIndex + "_" + UUID.randomUUID().toString();
        }
        latencyTracker = QueryParserHelper.createLatencyTracker(siddhiAppContext, queryName, SiddhiConstants.METRIC_INFIX_QUERIES, null);
        OutputStream.OutputEventType outputEventType = query.getOutputStream().getOutputEventType();
        boolean outputExpectsExpiredEvents = false;
        if (outputEventType != OutputStream.OutputEventType.CURRENT_EVENTS) {
            outputExpectsExpiredEvents = true;
        }
        StreamRuntime streamRuntime = InputStreamParser.parse(query.getInputStream(), siddhiAppContext, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, windowMap, aggregationMap, executors, latencyTracker, outputExpectsExpiredEvents, queryName);
        QuerySelector selector = SelectorParser.parse(query.getSelector(), query.getOutputStream(), siddhiAppContext, streamRuntime.getMetaComplexEvent(), tableMap, executors, queryName, SiddhiConstants.UNKNOWN_STATE);
        boolean isWindow = query.getInputStream() instanceof JoinInputStream;
        if (!isWindow && query.getInputStream() instanceof SingleInputStream) {
            for (StreamHandler streamHandler : ((SingleInputStream) query.getInputStream()).getStreamHandlers()) {
                if (streamHandler instanceof org.wso2.siddhi.query.api.execution.query.input.handler.Window) {
                    isWindow = true;
                    break;
                }
            }
        }
        Element synchronizedElement = AnnotationHelper.getAnnotationElement("synchronized", null, query.getAnnotations());
        if (synchronizedElement != null) {
            if (!("false".equalsIgnoreCase(synchronizedElement.getValue()))) {
                // Query LockWrapper does not need a unique
                lockWrapper = new LockWrapper("");
                // id since it will
                // not be passed to the LockSynchronizer.
                // LockWrapper does not have a default lock
                lockWrapper.setLock(new ReentrantLock());
            }
        } else {
            if (isWindow || !(streamRuntime instanceof SingleStreamRuntime)) {
                if (streamRuntime instanceof JoinStreamRuntime) {
                    // If at least one Window is involved in the join, use the LockWrapper of that window
                    // for the query as well.
                    // If join is between two EventWindows, sync the locks of the LockWrapper of those windows
                    // and use either of them for query.
                    MetaStateEvent metaStateEvent = (MetaStateEvent) streamRuntime.getMetaComplexEvent();
                    MetaStreamEvent[] metaStreamEvents = metaStateEvent.getMetaStreamEvents();
                    if (metaStreamEvents[0].getEventType() == EventType.WINDOW && metaStreamEvents[1].getEventType() == EventType.WINDOW) {
                        LockWrapper leftLockWrapper = windowMap.get(metaStreamEvents[0].getLastInputDefinition().getId()).getLock();
                        LockWrapper rightLockWrapper = windowMap.get(metaStreamEvents[1].getLastInputDefinition().getId()).getLock();
                        if (!leftLockWrapper.equals(rightLockWrapper)) {
                            // Sync the lock across both wrappers
                            lockSynchronizer.sync(leftLockWrapper, rightLockWrapper);
                        }
                        // Can use either leftLockWrapper or rightLockWrapper since both of them will hold the
                        // same lock internally
                        // If either of their lock is updated later, the other lock also will be update by the
                        // LockSynchronizer.
                        lockWrapper = leftLockWrapper;
                    } else if (metaStreamEvents[0].getEventType() == EventType.WINDOW) {
                        // Share the same wrapper as the query lock wrapper
                        lockWrapper = windowMap.get(metaStreamEvents[0].getLastInputDefinition().getId()).getLock();
                    } else if (metaStreamEvents[1].getEventType() == EventType.WINDOW) {
                        // Share the same wrapper as the query lock wrapper
                        lockWrapper = windowMap.get(metaStreamEvents[1].getLastInputDefinition().getId()).getLock();
                    } else {
                        // Join does not contain any Window
                        // Query LockWrapper does not need a unique
                        lockWrapper = new LockWrapper("");
                        // id since
                        // it will not be passed to the LockSynchronizer.
                        // LockWrapper does not have a default lock
                        lockWrapper.setLock(new ReentrantLock());
                    }
                } else {
                    lockWrapper = new LockWrapper("");
                    lockWrapper.setLock(new ReentrantLock());
                }
            }
        }
        OutputRateLimiter outputRateLimiter = OutputParser.constructOutputRateLimiter(query.getOutputStream().getId(), query.getOutputRate(), query.getSelector().getGroupByList().size() != 0, isWindow, siddhiAppContext.getScheduledExecutorService(), siddhiAppContext, queryName);
        if (outputRateLimiter instanceof WrappedSnapshotOutputRateLimiter) {
            selector.setBatchingEnabled(false);
        }
        siddhiAppContext.addEternalReferencedHolder(outputRateLimiter);
        OutputCallback outputCallback = OutputParser.constructOutputCallback(query.getOutputStream(), streamRuntime.getMetaComplexEvent().getOutputStreamDefinition(), tableMap, windowMap, siddhiAppContext, !(streamRuntime instanceof SingleStreamRuntime), queryName);
        QueryParserHelper.reduceMetaComplexEvent(streamRuntime.getMetaComplexEvent());
        QueryParserHelper.updateVariablePosition(streamRuntime.getMetaComplexEvent(), executors);
        QueryParserHelper.initStreamRuntime(streamRuntime, streamRuntime.getMetaComplexEvent(), lockWrapper, queryName);
        selector.setEventPopulator(StateEventPopulatorFactory.constructEventPopulator(streamRuntime.getMetaComplexEvent()));
        queryRuntime = new QueryRuntime(query, siddhiAppContext, streamRuntime, selector, outputRateLimiter, outputCallback, streamRuntime.getMetaComplexEvent(), lockWrapper != null, queryName);
        if (outputRateLimiter instanceof WrappedSnapshotOutputRateLimiter) {
            selector.setBatchingEnabled(false);
            ((WrappedSnapshotOutputRateLimiter) outputRateLimiter).init(streamRuntime.getMetaComplexEvent().getOutputStreamDefinition().getAttributeList().size(), selector.getAttributeProcessorList(), streamRuntime.getMetaComplexEvent());
        }
        outputRateLimiter.init(siddhiAppContext, lockWrapper, queryName);
    } catch (DuplicateDefinitionException e) {
        if (nameElement != null) {
            throw new DuplicateDefinitionException(e.getMessageWithOutContext() + ", when creating query " + nameElement.getValue(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext.getName(), siddhiAppContext.getSiddhiAppString());
        } else {
            throw new DuplicateDefinitionException(e.getMessage(), e, e.getQueryContextStartIndex(), e.getQueryContextEndIndex(), siddhiAppContext.getName(), siddhiAppContext.getSiddhiAppString());
        }
    } catch (Throwable t) {
        ExceptionUtil.populateQueryContext(t, query, siddhiAppContext);
        throw t;
    }
    return queryRuntime;
}
Also used : Element(org.wso2.siddhi.query.api.annotation.Element) OutputStream(org.wso2.siddhi.query.api.execution.query.output.stream.OutputStream) ArrayList(java.util.ArrayList) OutputCallback(org.wso2.siddhi.core.query.output.callback.OutputCallback) QueryRuntime(org.wso2.siddhi.core.query.QueryRuntime) JoinInputStream(org.wso2.siddhi.query.api.execution.query.input.stream.JoinInputStream) SingleInputStream(org.wso2.siddhi.query.api.execution.query.input.stream.SingleInputStream) WrappedSnapshotOutputRateLimiter(org.wso2.siddhi.core.query.output.ratelimit.snapshot.WrappedSnapshotOutputRateLimiter) OutputRateLimiter(org.wso2.siddhi.core.query.output.ratelimit.OutputRateLimiter) StreamHandler(org.wso2.siddhi.query.api.execution.query.input.handler.StreamHandler) SingleStreamRuntime(org.wso2.siddhi.core.query.input.stream.single.SingleStreamRuntime) StreamRuntime(org.wso2.siddhi.core.query.input.stream.StreamRuntime) JoinStreamRuntime(org.wso2.siddhi.core.query.input.stream.join.JoinStreamRuntime) Window(org.wso2.siddhi.core.window.Window) ReentrantLock(java.util.concurrent.locks.ReentrantLock) DuplicateDefinitionException(org.wso2.siddhi.query.api.exception.DuplicateDefinitionException) SingleStreamRuntime(org.wso2.siddhi.core.query.input.stream.single.SingleStreamRuntime) JoinStreamRuntime(org.wso2.siddhi.core.query.input.stream.join.JoinStreamRuntime) VariableExpressionExecutor(org.wso2.siddhi.core.executor.VariableExpressionExecutor) QuerySelector(org.wso2.siddhi.core.query.selector.QuerySelector) LockWrapper(org.wso2.siddhi.core.util.lock.LockWrapper) MetaStateEvent(org.wso2.siddhi.core.event.state.MetaStateEvent) LatencyTracker(org.wso2.siddhi.core.util.statistics.LatencyTracker) WrappedSnapshotOutputRateLimiter(org.wso2.siddhi.core.query.output.ratelimit.snapshot.WrappedSnapshotOutputRateLimiter) MetaStreamEvent(org.wso2.siddhi.core.event.stream.MetaStreamEvent)

Aggregations

SingleStreamRuntime (org.wso2.siddhi.core.query.input.stream.single.SingleStreamRuntime)8 MetaStreamEvent (org.wso2.siddhi.core.event.stream.MetaStreamEvent)6 StreamRuntime (org.wso2.siddhi.core.query.input.stream.StreamRuntime)6 VariableExpressionExecutor (org.wso2.siddhi.core.executor.VariableExpressionExecutor)5 ProcessStreamReceiver (org.wso2.siddhi.core.query.input.ProcessStreamReceiver)5 MetaStateEvent (org.wso2.siddhi.core.event.state.MetaStateEvent)4 SiddhiAppCreationException (org.wso2.siddhi.core.exception.SiddhiAppCreationException)4 QueryRuntime (org.wso2.siddhi.core.query.QueryRuntime)4 OutputCallback (org.wso2.siddhi.core.query.output.callback.OutputCallback)4 ArrayList (java.util.ArrayList)3 ReentrantLock (java.util.concurrent.locks.ReentrantLock)3 ExpressionExecutor (org.wso2.siddhi.core.executor.ExpressionExecutor)3 OutputRateLimiter (org.wso2.siddhi.core.query.output.ratelimit.OutputRateLimiter)3 Processor (org.wso2.siddhi.core.query.processor.Processor)3 FindableProcessor (org.wso2.siddhi.core.query.processor.stream.window.FindableProcessor)3 QuerySelector (org.wso2.siddhi.core.query.selector.QuerySelector)3 AggregationRuntime (org.wso2.siddhi.core.aggregation.AggregationRuntime)2 OperationNotSupportedException (org.wso2.siddhi.core.exception.OperationNotSupportedException)2 ConstantExpressionExecutor (org.wso2.siddhi.core.executor.ConstantExpressionExecutor)2 JoinProcessor (org.wso2.siddhi.core.query.input.stream.join.JoinProcessor)2