Examples with AbstractDefinition org.ballerinalang.siddhi.query.api.definition.AbstractDefinition used on opensource projects

Example 11 with AbstractDefinition

use of org.ballerinalang.siddhi.query.api.definition.AbstractDefinition in project ballerina by ballerina-lang.

the class PartitionParser method parse.

public static PartitionRuntime parse(SiddhiAppRuntimeBuilder siddhiAppRuntimeBuilder, Partition partition, SiddhiAppContext siddhiAppContext, ConcurrentMap<String, AbstractDefinition> streamDefinitionMap, int queryIndex) {
    PartitionRuntime partitionRuntime = new PartitionRuntime(siddhiAppRuntimeBuilder.getStreamDefinitionMap(), siddhiAppRuntimeBuilder.getStreamJunctions(), partition, siddhiAppContext);
    validateStreamPartitions(partition.getPartitionTypeMap(), streamDefinitionMap);
    for (Query query : partition.getQueryList()) {
        List<VariableExpressionExecutor> executors = new ArrayList<VariableExpressionExecutor>();
        ConcurrentMap<String, AbstractDefinition> combinedStreamMap = new ConcurrentHashMap<String, AbstractDefinition>();
        combinedStreamMap.putAll(streamDefinitionMap);
        combinedStreamMap.putAll(partitionRuntime.getLocalStreamDefinitionMap());
        QueryRuntime queryRuntime = QueryParser.parse(query, siddhiAppContext, combinedStreamMap, siddhiAppRuntimeBuilder.getTableDefinitionMap(), siddhiAppRuntimeBuilder.getWindowDefinitionMap(), siddhiAppRuntimeBuilder.getAggregationDefinitionMap(), siddhiAppRuntimeBuilder.getTableMap(), siddhiAppRuntimeBuilder.getAggregationMap(), siddhiAppRuntimeBuilder.getWindowMap(), siddhiAppRuntimeBuilder.getLockSynchronizer(), String.valueOf(queryIndex));
        queryIndex++;
        MetaStateEvent metaStateEvent = createMetaEventForPartitioner(queryRuntime.getMetaComplexEvent());
        partitionRuntime.addQuery(queryRuntime);
        partitionRuntime.addPartitionReceiver(queryRuntime, executors, metaStateEvent);
        QueryParserHelper.reduceMetaComplexEvent(metaStateEvent);
        if (queryRuntime.getMetaComplexEvent() instanceof MetaStateEvent) {
            QueryParserHelper.updateVariablePosition(metaStateEvent, executors);
        } else {
            QueryParserHelper.updateVariablePosition(metaStateEvent.getMetaStreamEvent(0), executors);
        }
        partitionRuntime.init();
    }
    return partitionRuntime;
}

Example 12 with AbstractDefinition

use of org.ballerinalang.siddhi.query.api.definition.AbstractDefinition in project ballerina by ballerina-lang.

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;
}

Example 13 with AbstractDefinition

use of org.ballerinalang.siddhi.query.api.definition.AbstractDefinition in project ballerina by ballerina-lang.

the class SingleInputStreamParser method initMetaStreamEvent.

/**
 * Method to generate MetaStreamEvent reagent to the given input stream. Empty definition will be created and
 * definition and reference is will be set accordingly in this method.
 *
 * @param inputStream              InputStream
 * @param streamDefinitionMap      StreamDefinition Map
 * @param tableDefinitionMap       TableDefinition Map
 * @param aggregationDefinitionMap AggregationDefinition Map
 * @param metaStreamEvent          MetaStreamEvent
 */
private static void initMetaStreamEvent(SingleInputStream inputStream, Map<String, AbstractDefinition> streamDefinitionMap, Map<String, AbstractDefinition> tableDefinitionMap, Map<String, AbstractDefinition> windowDefinitionMap, Map<String, AbstractDefinition> aggregationDefinitionMap, MetaStreamEvent metaStreamEvent) {
    String streamId = inputStream.getStreamId();
    if (!inputStream.isInnerStream() && windowDefinitionMap != null && windowDefinitionMap.containsKey(streamId)) {
        AbstractDefinition inputDefinition = windowDefinitionMap.get(streamId);
        if (!metaStreamEvent.getInputDefinitions().contains(inputDefinition)) {
            metaStreamEvent.addInputDefinition(inputDefinition);
        }
    } else if (streamDefinitionMap != null && streamDefinitionMap.containsKey(streamId)) {
        AbstractDefinition inputDefinition = streamDefinitionMap.get(streamId);
        metaStreamEvent.addInputDefinition(inputDefinition);
    } else if (!inputStream.isInnerStream() && tableDefinitionMap != null && tableDefinitionMap.containsKey(streamId)) {
        AbstractDefinition inputDefinition = tableDefinitionMap.get(streamId);
        metaStreamEvent.addInputDefinition(inputDefinition);
    } else if (!inputStream.isInnerStream() && aggregationDefinitionMap != null && aggregationDefinitionMap.containsKey(streamId)) {
        AbstractDefinition inputDefinition = aggregationDefinitionMap.get(streamId);
        metaStreamEvent.addInputDefinition(inputDefinition);
    } else {
        throw new SiddhiAppCreationException("Stream/table/window/aggregation definition with ID '" + inputStream.getStreamId() + "' has not been defined", inputStream.getQueryContextStartIndex(), inputStream.getQueryContextEndIndex());
    }
    if ((inputStream.getStreamReferenceId() != null) && !(inputStream.getStreamId()).equals(inputStream.getStreamReferenceId())) {
        // if ref id is provided
        metaStreamEvent.setInputReferenceId(inputStream.getStreamReferenceId());
    }
}

Example 14 with AbstractDefinition

use of org.ballerinalang.siddhi.query.api.definition.AbstractDefinition in project ballerina by ballerina-lang.

the class AggregationParser method populateIncomingAggregatorsAndExecutors.

private static void populateIncomingAggregatorsAndExecutors(AggregationDefinition aggregationDefinition, SiddhiAppContext siddhiAppContext, Map<String, Table> tableMap, List<VariableExpressionExecutor> incomingVariableExpressionExecutors, String aggregatorName, MetaStreamEvent incomingMetaStreamEvent, List<ExpressionExecutor> incomingExpressionExecutors, List<IncrementalAttributeAggregator> incrementalAttributeAggregators, List<Variable> groupByVariableList, List<Expression> outputExpressions) {
    ExpressionExecutor[] timeStampTimeZoneExecutors = setTimeStampTimeZoneExecutors(aggregationDefinition, siddhiAppContext, tableMap, incomingVariableExpressionExecutors, aggregatorName, incomingMetaStreamEvent);
    ExpressionExecutor timestampExecutor = timeStampTimeZoneExecutors[0];
    ExpressionExecutor timeZoneExecutor = timeStampTimeZoneExecutors[1];
    Attribute timestampAttribute = new Attribute("AGG_TIMESTAMP", Attribute.Type.LONG);
    incomingMetaStreamEvent.addOutputData(timestampAttribute);
    incomingExpressionExecutors.add(timestampExecutor);
    incomingMetaStreamEvent.addOutputData(new Attribute("AGG_TIMEZONE", Attribute.Type.STRING));
    incomingExpressionExecutors.add(timeZoneExecutor);
    AbstractDefinition incomingLastInputStreamDefinition = incomingMetaStreamEvent.getLastInputDefinition();
    for (Variable groupByVariable : groupByVariableList) {
        incomingMetaStreamEvent.addOutputData(incomingLastInputStreamDefinition.getAttributeList().get(incomingLastInputStreamDefinition.getAttributePosition(groupByVariable.getAttributeName())));
        incomingExpressionExecutors.add(ExpressionParser.parseExpression(groupByVariable, incomingMetaStreamEvent, 0, tableMap, incomingVariableExpressionExecutors, siddhiAppContext, false, 0, aggregatorName));
    }
    // Add AGG_TIMESTAMP to output as well
    outputExpressions.add(Expression.variable("AGG_TIMESTAMP"));
    aggregationDefinition.getAttributeList().add(timestampAttribute);
    for (OutputAttribute outputAttribute : aggregationDefinition.getSelector().getSelectionList()) {
        Expression expression = outputAttribute.getExpression();
        if (expression instanceof AttributeFunction) {
            IncrementalAttributeAggregator incrementalAggregator = null;
            try {
                incrementalAggregator = (IncrementalAttributeAggregator) SiddhiClassLoader.loadExtensionImplementation(new AttributeFunction("incrementalAggregator", ((AttributeFunction) expression).getName(), ((AttributeFunction) expression).getParameters()), IncrementalAttributeAggregatorExtensionHolder.getInstance(siddhiAppContext));
            } catch (SiddhiAppCreationException ex) {
                try {
                    SiddhiClassLoader.loadExtensionImplementation((AttributeFunction) expression, FunctionExecutorExtensionHolder.getInstance(siddhiAppContext));
                    ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(expression, incomingMetaStreamEvent, 0, tableMap, incomingVariableExpressionExecutors, siddhiAppContext, false, 0, aggregatorName);
                    incomingExpressionExecutors.add(expressionExecutor);
                    incomingMetaStreamEvent.addOutputData(new Attribute(outputAttribute.getRename(), expressionExecutor.getReturnType()));
                    aggregationDefinition.getAttributeList().add(new Attribute(outputAttribute.getRename(), expressionExecutor.getReturnType()));
                    outputExpressions.add(Expression.variable(outputAttribute.getRename()));
                } catch (SiddhiAppCreationException e) {
                    throw new SiddhiAppCreationException("'" + ((AttributeFunction) expression).getName() + "' is neither a incremental attribute aggregator extension or a function" + " extension", expression.getQueryContextStartIndex(), expression.getQueryContextEndIndex());
                }
            }
            if (incrementalAggregator != null) {
                initIncrementalAttributeAggregator(incomingLastInputStreamDefinition, (AttributeFunction) expression, incrementalAggregator);
                incrementalAttributeAggregators.add(incrementalAggregator);
                aggregationDefinition.getAttributeList().add(new Attribute(outputAttribute.getRename(), incrementalAggregator.getReturnType()));
                outputExpressions.add(incrementalAggregator.aggregate());
            }
        } else {
            if (expression instanceof Variable && groupByVariableList.contains(expression)) {
                Attribute groupByAttribute = null;
                for (Attribute attribute : incomingMetaStreamEvent.getOutputData()) {
                    if (attribute.getName().equals(((Variable) expression).getAttributeName())) {
                        groupByAttribute = attribute;
                        break;
                    }
                }
                if (groupByAttribute == null) {
                    throw new SiddhiAppCreationException("Expected GroupBy attribute '" + ((Variable) expression).getAttributeName() + "' not used in aggregation '" + aggregatorName + "' processing.", expression.getQueryContextStartIndex(), expression.getQueryContextEndIndex());
                }
                aggregationDefinition.getAttributeList().add(new Attribute(outputAttribute.getRename(), groupByAttribute.getType()));
                outputExpressions.add(Expression.variable(groupByAttribute.getName()));
            } else {
                ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(expression, incomingMetaStreamEvent, 0, tableMap, incomingVariableExpressionExecutors, siddhiAppContext, false, 0, aggregatorName);
                incomingExpressionExecutors.add(expressionExecutor);
                incomingMetaStreamEvent.addOutputData(new Attribute(outputAttribute.getRename(), expressionExecutor.getReturnType()));
                aggregationDefinition.getAttributeList().add(new Attribute(outputAttribute.getRename(), expressionExecutor.getReturnType()));
                outputExpressions.add(Expression.variable(outputAttribute.getRename()));
            }
        }
    }
}

Example 15 with AbstractDefinition

use of org.ballerinalang.siddhi.query.api.definition.AbstractDefinition in project ballerina by ballerina-lang.

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;
}