Examples with VariableExpressionExecutor org.wso2.siddhi.core.executor.VariableExpressionExecutor used on opensource projects

Example 6 with VariableExpressionExecutor

use of org.wso2.siddhi.core.executor.VariableExpressionExecutor in project siddhi by wso2.

the class CollectionExpressionParser method buildCollectionExecutor.

public static CollectionExecutor buildCollectionExecutor(CollectionExpression collectionExpression, MatchingMetaInfoHolder matchingMetaInfoHolder, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String, Table> tableMap, SiddhiAppContext siddhiAppContext, boolean isFirst, String queryName) {
    if (collectionExpression instanceof AttributeCollectionExpression) {
        ExpressionExecutor expressionExecutor = null;
        if (isFirst) {
            expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
        }
        return new CompareCollectionExecutor(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex(), ((AttributeCollectionExpression) collectionExpression).getAttribute(), Compare.Operator.EQUAL, new ConstantExpressionExecutor(true, Attribute.Type.BOOL));
    } else if (collectionExpression instanceof CompareCollectionExpression) {
        ExpressionExecutor valueExpressionExecutor = ExpressionParser.parseExpression(((CompareCollectionExpression) collectionExpression).getValueCollectionExpression().getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
        AttributeCollectionExpression attributeCollectionExpression = ((AttributeCollectionExpression) ((CompareCollectionExpression) collectionExpression).getAttributeCollectionExpression());
        ExpressionExecutor expressionExecutor = null;
        if (isFirst) {
            expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
        }
        return new CompareCollectionExecutor(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex(), attributeCollectionExpression.getAttribute(), ((CompareCollectionExpression) collectionExpression).getOperator(), valueExpressionExecutor);
    } else if (collectionExpression instanceof NullCollectionExpression) {
        ExpressionExecutor expressionExecutor = null;
        if (isFirst) {
            expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
        }
        return new CompareCollectionExecutor(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex(), ((NullCollectionExpression) collectionExpression).getAttribute(), Compare.Operator.EQUAL, new ConstantExpressionExecutor(null, Attribute.Type.OBJECT));
    } else if (collectionExpression instanceof AndMultiPrimaryKeyCollectionExpression) {
        Map<String, ExpressionExecutor> multiPrimaryKeyExpressionExecutors = buildMultiPrimaryKeyExpressionExecutors(collectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, queryName);
        List<Attribute> attributes = matchingMetaInfoHolder.getStoreDefinition().getAttributeList();
        StringBuilder compositePrimaryKey = new StringBuilder();
        List<ExpressionExecutor> sortedExecutors = new ArrayList<ExpressionExecutor>();
        for (Attribute attribute : attributes) {
            ExpressionExecutor expressionExecutor = multiPrimaryKeyExpressionExecutors.get(attribute.getName());
            if (expressionExecutor != null) {
                sortedExecutors.add(expressionExecutor);
                compositePrimaryKey.append(attribute.getName()).append(SiddhiConstants.KEY_DELIMITER);
            }
        }
        return new AndMultiPrimaryKeyCollectionExecutor(compositePrimaryKey.toString(), sortedExecutors);
    } else if (collectionExpression instanceof AndCollectionExpression) {
        CollectionExpression leftCollectionExpression = ((AndCollectionExpression) collectionExpression).getLeftCollectionExpression();
        CollectionExpression rightCollectionExpression = ((AndCollectionExpression) collectionExpression).getRightCollectionExpression();
        ExpressionExecutor expressionExecutor = null;
        CollectionExecutor aCollectionExecutor = null;
        ExhaustiveCollectionExecutor exhaustiveCollectionExecutor = null;
        CollectionExecutor leftCollectionExecutor;
        CollectionExecutor rightCollectionExecutor;
        switch(leftCollectionExpression.getCollectionScope()) {
            case NON:
                switch(rightCollectionExpression.getCollectionScope()) {
                    case NON:
                        expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
                        return new NonCollectionExecutor(expressionExecutor);
                    case INDEXED_ATTRIBUTE:
                    case INDEXED_RESULT_SET:
                    case PRIMARY_KEY_ATTRIBUTE:
                    case PRIMARY_KEY_RESULT_SET:
                    case PARTIAL_PRIMARY_KEY_RESULT_SET:
                    case OPTIMISED_PRIMARY_KEY_OR_INDEXED_RESULT_SET:
                    case EXHAUSTIVE:
                        expressionExecutor = ExpressionParser.parseExpression(leftCollectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
                        aCollectionExecutor = buildCollectionExecutor(rightCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, isFirst, queryName);
                        return new NonAndCollectionExecutor(expressionExecutor, aCollectionExecutor, rightCollectionExpression.getCollectionScope());
                }
                break;
            case INDEXED_ATTRIBUTE:
            case PRIMARY_KEY_ATTRIBUTE:
                switch(rightCollectionExpression.getCollectionScope()) {
                    case NON:
                        expressionExecutor = ExpressionParser.parseExpression(rightCollectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
                        aCollectionExecutor = buildCollectionExecutor(leftCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, isFirst, queryName);
                        return new NonAndCollectionExecutor(expressionExecutor, aCollectionExecutor, rightCollectionExpression.getCollectionScope());
                    case INDEXED_ATTRIBUTE:
                    case INDEXED_RESULT_SET:
                    case PRIMARY_KEY_ATTRIBUTE:
                    case PRIMARY_KEY_RESULT_SET:
                    case OPTIMISED_PRIMARY_KEY_OR_INDEXED_RESULT_SET:
                        exhaustiveCollectionExecutor = new ExhaustiveCollectionExecutor(ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName), matchingMetaInfoHolder.getStoreEventIndex());
                        leftCollectionExecutor = buildCollectionExecutor(leftCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, false, queryName);
                        rightCollectionExecutor = buildCollectionExecutor(rightCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, false, queryName);
                        return new AnyAndCollectionExecutor(leftCollectionExecutor, rightCollectionExecutor, exhaustiveCollectionExecutor);
                    case PARTIAL_PRIMARY_KEY_RESULT_SET:
                    case EXHAUSTIVE:
                        leftCollectionExecutor = buildCollectionExecutor(leftCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, isFirst, queryName);
                        if (isFirst || leftCollectionExecutor.getDefaultCost() == CollectionExecutor.Cost.SINGLE_RETURN_INDEX_MATCHING) {
                            exhaustiveCollectionExecutor = new ExhaustiveCollectionExecutor(ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName), matchingMetaInfoHolder.getStoreEventIndex());
                        }
                        return new CompareExhaustiveAndCollectionExecutor(leftCollectionExecutor, exhaustiveCollectionExecutor);
                }
                break;
            case INDEXED_RESULT_SET:
            case PRIMARY_KEY_RESULT_SET:
            case OPTIMISED_PRIMARY_KEY_OR_INDEXED_RESULT_SET:
                switch(rightCollectionExpression.getCollectionScope()) {
                    case NON:
                        expressionExecutor = ExpressionParser.parseExpression(rightCollectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
                        aCollectionExecutor = buildCollectionExecutor(leftCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, isFirst, queryName);
                        return new NonAndCollectionExecutor(expressionExecutor, aCollectionExecutor, rightCollectionExpression.getCollectionScope());
                    case INDEXED_ATTRIBUTE:
                    case PRIMARY_KEY_ATTRIBUTE:
                        exhaustiveCollectionExecutor = new ExhaustiveCollectionExecutor(ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName), matchingMetaInfoHolder.getStoreEventIndex());
                        leftCollectionExecutor = buildCollectionExecutor(leftCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, false, queryName);
                        rightCollectionExecutor = buildCollectionExecutor(rightCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, false, queryName);
                        return new AnyAndCollectionExecutor(rightCollectionExecutor, leftCollectionExecutor, exhaustiveCollectionExecutor);
                    case INDEXED_RESULT_SET:
                    case PRIMARY_KEY_RESULT_SET:
                    case OPTIMISED_PRIMARY_KEY_OR_INDEXED_RESULT_SET:
                        exhaustiveCollectionExecutor = new ExhaustiveCollectionExecutor(ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName), matchingMetaInfoHolder.getStoreEventIndex());
                        leftCollectionExecutor = buildCollectionExecutor(leftCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, false, queryName);
                        rightCollectionExecutor = buildCollectionExecutor(rightCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, false, queryName);
                        return new AnyAndCollectionExecutor(leftCollectionExecutor, rightCollectionExecutor, exhaustiveCollectionExecutor);
                    case PARTIAL_PRIMARY_KEY_RESULT_SET:
                    case EXHAUSTIVE:
                        leftCollectionExecutor = buildCollectionExecutor(leftCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, isFirst, queryName);
                        if (isFirst || leftCollectionExecutor.getDefaultCost() == CollectionExecutor.Cost.SINGLE_RETURN_INDEX_MATCHING) {
                            exhaustiveCollectionExecutor = new ExhaustiveCollectionExecutor(ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName), matchingMetaInfoHolder.getStoreEventIndex());
                        }
                        return new CompareExhaustiveAndCollectionExecutor(leftCollectionExecutor, exhaustiveCollectionExecutor);
                }
                break;
            case PARTIAL_PRIMARY_KEY_RESULT_SET:
            case EXHAUSTIVE:
                switch(rightCollectionExpression.getCollectionScope()) {
                    case NON:
                        expressionExecutor = ExpressionParser.parseExpression(rightCollectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
                        aCollectionExecutor = buildCollectionExecutor(leftCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, isFirst, queryName);
                        return new NonAndCollectionExecutor(expressionExecutor, aCollectionExecutor, rightCollectionExpression.getCollectionScope());
                    case INDEXED_ATTRIBUTE:
                    case INDEXED_RESULT_SET:
                    case PRIMARY_KEY_ATTRIBUTE:
                    case PRIMARY_KEY_RESULT_SET:
                    case OPTIMISED_PRIMARY_KEY_OR_INDEXED_RESULT_SET:
                        rightCollectionExecutor = buildCollectionExecutor(rightCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, isFirst, queryName);
                        if (isFirst || rightCollectionExecutor.getDefaultCost() == CollectionExecutor.Cost.SINGLE_RETURN_INDEX_MATCHING) {
                            exhaustiveCollectionExecutor = new ExhaustiveCollectionExecutor(ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName), matchingMetaInfoHolder.getStoreEventIndex());
                        }
                        return new CompareExhaustiveAndCollectionExecutor(rightCollectionExecutor, exhaustiveCollectionExecutor);
                    case PARTIAL_PRIMARY_KEY_RESULT_SET:
                    case EXHAUSTIVE:
                        if (isFirst) {
                            expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
                        }
                        return new ExhaustiveCollectionExecutor(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex());
                }
                break;
        }
    } else if (collectionExpression instanceof OrCollectionExpression) {
        CollectionExpression leftCollectionExpression = ((OrCollectionExpression) collectionExpression).getLeftCollectionExpression();
        CollectionExpression rightCollectionExpression = ((OrCollectionExpression) collectionExpression).getRightCollectionExpression();
        ExpressionExecutor expressionExecutor = null;
        CollectionExecutor aCollectionExecutor = null;
        CollectionExecutor leftCollectionExecutor;
        CollectionExecutor rightCollectionExecutor;
        if (leftCollectionExpression.getCollectionScope() == NON && rightCollectionExpression.getCollectionScope() == NON) {
            expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
            return new NonCollectionExecutor(expressionExecutor);
        } else if ((leftCollectionExpression.getCollectionScope() == EXHAUSTIVE && leftCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_RESULT_SET) || (rightCollectionExpression.getCollectionScope() == EXHAUSTIVE && rightCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_RESULT_SET)) {
            if (isFirst) {
                expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
            }
            return new ExhaustiveCollectionExecutor(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex());
        } else {
            if (isFirst) {
                aCollectionExecutor = new ExhaustiveCollectionExecutor(ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName), matchingMetaInfoHolder.getStoreEventIndex());
            }
            leftCollectionExecutor = buildCollectionExecutor(leftCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, isFirst, queryName);
            rightCollectionExecutor = buildCollectionExecutor(rightCollectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, isFirst, queryName);
            return new OrCollectionExecutor(leftCollectionExecutor, rightCollectionExecutor, aCollectionExecutor);
        }
    } else if (collectionExpression instanceof NotCollectionExpression) {
        ExpressionExecutor expressionExecutor = null;
        switch(collectionExpression.getCollectionScope()) {
            case NON:
                expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
                return new NonCollectionExecutor(expressionExecutor);
            case INDEXED_ATTRIBUTE:
            case INDEXED_RESULT_SET:
            case PRIMARY_KEY_ATTRIBUTE:
            case PRIMARY_KEY_RESULT_SET:
            case OPTIMISED_PRIMARY_KEY_OR_INDEXED_RESULT_SET:
                ExhaustiveCollectionExecutor exhaustiveCollectionExecutor = null;
                if (isFirst) {
                    exhaustiveCollectionExecutor = new ExhaustiveCollectionExecutor(ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName), matchingMetaInfoHolder.getStoreEventIndex());
                }
                CollectionExecutor notCollectionExecutor = buildCollectionExecutor(((NotCollectionExpression) collectionExpression).getCollectionExpression(), matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, isFirst, queryName);
                return new NotCollectionExecutor(notCollectionExecutor, exhaustiveCollectionExecutor);
            case PARTIAL_PRIMARY_KEY_RESULT_SET:
            case EXHAUSTIVE:
                if (isFirst) {
                    expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
                }
                return new ExhaustiveCollectionExecutor(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex());
        }
    } else {
        // Basic
        ExpressionExecutor expressionExecutor = null;
        if (collectionExpression.getCollectionScope() == NON) {
            expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
            return new NonCollectionExecutor(expressionExecutor);
        } else {
            // EXHAUSTIVE
            if (isFirst) {
                expressionExecutor = ExpressionParser.parseExpression(collectionExpression.getExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
            }
            return new ExhaustiveCollectionExecutor(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex());
        }
    }
    throw new UnsupportedOperationException(collectionExpression.getClass().getName() + " not supported!");
}

Example 7 with VariableExpressionExecutor

use of org.wso2.siddhi.core.executor.VariableExpressionExecutor in project siddhi by wso2.

the class ExpressionParser method parseInnerExpression.

/**
 * Parse the set of inner expression of AttributeFunctionExtensions and handling all (*) cases
 *
 * @param innerExpressions        InnerExpressions to be parsed
 * @param metaEvent               Meta Event
 * @param currentState            Current state number
 * @param tableMap                Event Table Map
 * @param executorList            List to hold VariableExpressionExecutors to update after query parsing @return
 * @param siddhiAppContext        SiddhiAppContext
 * @param groupBy                 is for groupBy expression
 * @param defaultStreamEventIndex Default StreamEvent Index
 * @return List of expressionExecutors
 */
private static ExpressionExecutor[] parseInnerExpression(Expression[] innerExpressions, MetaComplexEvent metaEvent, int currentState, Map<String, Table> tableMap, List<VariableExpressionExecutor> executorList, SiddhiAppContext siddhiAppContext, boolean groupBy, int defaultStreamEventIndex, String queryName) {
    ExpressionExecutor[] innerExpressionExecutors;
    if (innerExpressions != null) {
        if (innerExpressions.length > 0) {
            innerExpressionExecutors = new ExpressionExecutor[innerExpressions.length];
            for (int i = 0, innerExpressionsLength = innerExpressions.length; i < innerExpressionsLength; i++) {
                innerExpressionExecutors[i] = parseExpression(innerExpressions[i], metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            }
        } else {
            List<Expression> outputAttributes = new ArrayList<Expression>();
            if (metaEvent instanceof MetaStreamEvent) {
                List<Attribute> attributeList = ((MetaStreamEvent) metaEvent).getLastInputDefinition().getAttributeList();
                for (Attribute attribute : attributeList) {
                    outputAttributes.add(new Variable(attribute.getName()));
                }
            } else {
                for (MetaStreamEvent metaStreamEvent : ((MetaStateEvent) metaEvent).getMetaStreamEvents()) {
                    List<Attribute> attributeList = metaStreamEvent.getLastInputDefinition().getAttributeList();
                    for (Attribute attribute : attributeList) {
                        Expression outputAttribute = new Variable(attribute.getName());
                        if (!outputAttributes.contains(outputAttribute)) {
                            outputAttributes.add(outputAttribute);
                        } else {
                            List<AbstractDefinition> definitions = new ArrayList<AbstractDefinition>();
                            for (MetaStreamEvent aMetaStreamEvent : ((MetaStateEvent) metaEvent).getMetaStreamEvents()) {
                                definitions.add(aMetaStreamEvent.getLastInputDefinition());
                            }
                            throw new DuplicateAttributeException("Duplicate attribute exist in streams " + definitions, attribute.getQueryContextStartIndex(), attribute.getQueryContextEndIndex());
                        }
                    }
                }
            }
            innerExpressionExecutors = new ExpressionExecutor[outputAttributes.size()];
            for (int i = 0, innerExpressionsLength = outputAttributes.size(); i < innerExpressionsLength; i++) {
                innerExpressionExecutors[i] = parseExpression(outputAttributes.get(i), metaEvent, currentState, tableMap, executorList, siddhiAppContext, groupBy, defaultStreamEventIndex, queryName);
            }
        }
    } else {
        innerExpressionExecutors = new ExpressionExecutor[0];
    }
    return innerExpressionExecutors;
}

Example 8 with VariableExpressionExecutor

use of org.wso2.siddhi.core.executor.VariableExpressionExecutor 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;
    }
}

Example 9 with VariableExpressionExecutor

use of org.wso2.siddhi.core.executor.VariableExpressionExecutor in project siddhi by wso2.

the class OperatorParser method constructOperator.

public static Operator constructOperator(Object storeEvents, Expression expression, MatchingMetaInfoHolder matchingMetaInfoHolder, SiddhiAppContext siddhiAppContext, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String, Table> tableMap, String queryName) {
    if (storeEvents instanceof IndexedEventHolder) {
        CollectionExpression collectionExpression = CollectionExpressionParser.parseCollectionExpression(expression, matchingMetaInfoHolder, (IndexedEventHolder) storeEvents);
        CollectionExecutor collectionExecutor = CollectionExpressionParser.buildCollectionExecutor(collectionExpression, matchingMetaInfoHolder, variableExpressionExecutors, tableMap, siddhiAppContext, true, queryName);
        if (collectionExpression instanceof CompareCollectionExpression && ((CompareCollectionExpression) collectionExpression).getOperator() == Compare.Operator.EQUAL && (collectionExpression.getCollectionScope() == INDEXED_RESULT_SET || collectionExpression.getCollectionScope() == PRIMARY_KEY_RESULT_SET) && ((IndexedEventHolder) storeEvents).getPrimaryKeyReferenceHolders() != null && ((IndexedEventHolder) storeEvents).getPrimaryKeyReferenceHolders().length == 1 && ((IndexedEventHolder) storeEvents).getPrimaryKeyReferenceHolders()[0].getPrimaryKeyAttribute().equals(((AttributeCollectionExpression) ((CompareCollectionExpression) collectionExpression).getAttributeCollectionExpression()).getAttribute())) {
            return new OverwriteTableIndexOperator(collectionExecutor, queryName);
        } else if (collectionExpression instanceof AndMultiPrimaryKeyCollectionExpression && collectionExpression.getCollectionScope() == PRIMARY_KEY_RESULT_SET) {
            return new OverwriteTableIndexOperator(collectionExecutor, queryName);
        } else {
            return new IndexOperator(collectionExecutor, queryName);
        }
    } else if (storeEvents instanceof ComplexEventChunk) {
        ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(expression, matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
        return new EventChunkOperator(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex());
    } else if (storeEvents instanceof Map) {
        ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(expression, matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
        return new MapOperator(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex());
    } else if (storeEvents instanceof Collection) {
        ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(expression, matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
        return new CollectionOperator(expressionExecutor, matchingMetaInfoHolder.getStoreEventIndex());
    } else {
        throw new OperationNotSupportedException(storeEvents.getClass() + " is not supported by OperatorParser!");
    }
}

Example 10 with VariableExpressionExecutor

use of org.wso2.siddhi.core.executor.VariableExpressionExecutor in project siddhi by wso2.

the class SelectorParser method getAttributeProcessors.

/**
 * Method to construct AttributeProcessor list for the selector.
 *
 * @param selector                    Selector
 * @param id                          stream id
 * @param siddhiAppContext            siddhi app context
 * @param metaComplexEvent            meta ComplexEvent
 * @param tableMap                    Table Map
 * @param variableExpressionExecutors list of VariableExpressionExecutors
 * @param outputStream
 * @return list of AttributeProcessors
 */
private static List<AttributeProcessor> getAttributeProcessors(Selector selector, String id, SiddhiAppContext siddhiAppContext, MetaComplexEvent metaComplexEvent, Map<String, Table> tableMap, List<VariableExpressionExecutor> variableExpressionExecutors, OutputStream outputStream, String queryName, int metaPosition) {
    List<AttributeProcessor> attributeProcessorList = new ArrayList<>();
    StreamDefinition outputDefinition = StreamDefinition.id(id);
    outputDefinition.setQueryContextStartIndex(outputStream.getQueryContextStartIndex());
    outputDefinition.setQueryContextEndIndex(outputStream.getQueryContextEndIndex());
    List<OutputAttribute> outputAttributes = selector.getSelectionList();
    if (selector.getSelectionList().size() == 0) {
        if (metaComplexEvent instanceof MetaStreamEvent) {
            List<Attribute> attributeList = ((MetaStreamEvent) metaComplexEvent).getLastInputDefinition().getAttributeList();
            for (Attribute attribute : attributeList) {
                outputAttributes.add(new OutputAttribute(new Variable(attribute.getName())));
            }
        } else {
            int position = 0;
            for (MetaStreamEvent metaStreamEvent : ((MetaStateEvent) metaComplexEvent).getMetaStreamEvents()) {
                if (metaPosition == SiddhiConstants.UNKNOWN_STATE || metaPosition == position) {
                    List<Attribute> attributeList = metaStreamEvent.getLastInputDefinition().getAttributeList();
                    for (Attribute attribute : attributeList) {
                        OutputAttribute outputAttribute = new OutputAttribute(new Variable(attribute.getName()));
                        if (!outputAttributes.contains(outputAttribute)) {
                            outputAttributes.add(outputAttribute);
                        } else {
                            List<AbstractDefinition> definitions = new ArrayList<>();
                            for (MetaStreamEvent aMetaStreamEvent : ((MetaStateEvent) metaComplexEvent).getMetaStreamEvents()) {
                                definitions.add(aMetaStreamEvent.getLastInputDefinition());
                            }
                            throw new DuplicateAttributeException("Duplicate attribute exist in streams " + definitions, outputStream.getQueryContextStartIndex(), outputStream.getQueryContextEndIndex());
                        }
                    }
                }
                ++position;
            }
        }
    }
    int i = 0;
    for (OutputAttribute outputAttribute : outputAttributes) {
        ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(outputAttribute.getExpression(), metaComplexEvent, SiddhiConstants.UNKNOWN_STATE, tableMap, variableExpressionExecutors, siddhiAppContext, !(selector.getGroupByList().isEmpty()), 0, queryName);
        if (expressionExecutor instanceof VariableExpressionExecutor) {
            // for variables we will directly put
            // value at conversion stage
            VariableExpressionExecutor executor = ((VariableExpressionExecutor) expressionExecutor);
            if (metaComplexEvent instanceof MetaStateEvent) {
                ((MetaStateEvent) metaComplexEvent).addOutputDataAllowingDuplicate(new MetaStateEventAttribute(executor.getAttribute(), executor.getPosition()));
            } else {
                ((MetaStreamEvent) metaComplexEvent).addOutputDataAllowingDuplicate(executor.getAttribute());
            }
            outputDefinition.attribute(outputAttribute.getRename(), ((VariableExpressionExecutor) expressionExecutor).getAttribute().getType());
        } else {
            // To maintain output variable positions
            if (metaComplexEvent instanceof MetaStateEvent) {
                ((MetaStateEvent) metaComplexEvent).addOutputDataAllowingDuplicate(null);
            } else {
                ((MetaStreamEvent) metaComplexEvent).addOutputDataAllowingDuplicate(null);
            }
            AttributeProcessor attributeProcessor = new AttributeProcessor(expressionExecutor);
            attributeProcessor.setOutputPosition(i);
            attributeProcessorList.add(attributeProcessor);
            outputDefinition.attribute(outputAttribute.getRename(), attributeProcessor.getOutputType());
        }
        i++;
    }
    metaComplexEvent.setOutputDefinition(outputDefinition);
    return attributeProcessorList;
}