Examples of StreamTypeServiceImpl

Examples of com.espertech.esper.epl.core.StreamTypeServiceImpl

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    public static ExprNode[] validate(String viewName, EventType eventType, StatementContext statementContext, List<ExprNode> expressions, boolean allowConstantResult)
            throws ViewParameterException
    {
        List<ExprNode> results = new ArrayList<ExprNode>();
        int expressionNumber = 0;
        StreamTypeService streamTypeService = new StreamTypeServiceImpl(eventType, null, false, statementContext.getEngineURI());
        for (ExprNode expr : expressions)
        {
            ExprNode validated = validateExpr(viewName, statementContext, expr, streamTypeService, expressionNumber);
            results.add(validated);
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Examples of com.espertech.esper.epl.core.StreamTypeServiceImpl

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        builtinTypeDef.put(ExpressionViewUtil.EXPIRED_COUNT, Integer.class);
        builtinTypeDef.put(ExpressionViewUtil.VIEW_REFERENCE, Object.class);
        builtinTypeDef.put(ExpressionViewUtil.NEWEST_EVENT, eventType);
        builtinTypeDef.put(ExpressionViewUtil.OLDEST_EVENT, eventType);
        builtinMapType = statementContext.getEventAdapterService().createAnonymousMapType(statementContext.getStatementId() + "_exprview", builtinTypeDef);
        StreamTypeService streamTypeService = new StreamTypeServiceImpl(new EventType[] {eventType, builtinMapType}, new String[2], new boolean[2], statementContext.getEngineURI(), false);

        // validate expression
        expiryExpression = ViewFactorySupport.validateExpr(getViewName(), statementContext, expiryExpression, streamTypeService, 0);

        ExprNodeSummaryVisitor summaryVisitor = new ExprNodeSummaryVisitor();
        expiryExpression.accept(summaryVisitor);
        if (summaryVisitor.isHasSubselect() || summaryVisitor.isHasStreamSelect() || summaryVisitor.isHasPreviousPrior()) {
            throw new ViewParameterException("Invalid expiry expression: Sub-select, previous or prior functions are not supported in this context");
        }

        Class returnType = expiryExpression.getExprEvaluator().getType();
        if (JavaClassHelper.getBoxedType(returnType) != Boolean.class) {
            throw new ViewParameterException("Invalid return value for expiry expression, expected a boolean return value but received " + JavaClassHelper.getParameterAsString(returnType));
        }

        // determine variables used, if any
        ExprNodeVariableVisitor visitor = new ExprNodeVariableVisitor();
        expiryExpression.accept(visitor);
        variableNames = visitor.getVariableNames();

        // determine aggregation nodes, if any
        List<ExprAggregateNode> aggregateNodes = new ArrayList<ExprAggregateNode>();
        ExprAggregateNodeUtil.getAggregatesBottomUp(expiryExpression, aggregateNodes);
        if (!aggregateNodes.isEmpty()) {
            try {
                aggregationServiceFactoryDesc = AggregationServiceFactoryFactory.getService(Collections.<ExprAggregateNode>emptyList(), null, aggregateNodes, Collections.<ExprAggregateNode>emptyList(), Collections.<ExprAggregateNodeGroupKey>emptyList(), false, new ExprEvaluatorContextStatement(statementContext), statementContext.getAnnotations(), statementContext.getVariableService(), false, false, null, null, AggregationServiceFactoryServiceImpl.DEFAULT_FACTORY, streamTypeService.getEventTypes(), statementContext.getMethodResolutionService());
            }
            catch (ExprValidationException ex) {
                throw new ViewParameterException(ex.getMessage(), ex);
            }
        }
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Examples of com.espertech.esper.epl.core.StreamTypeServiceImpl

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        // Validate the expression
        ExprEvaluator[] expressions = new ExprEvaluator[scheduleSpecExpressionList.size()];
        int count = 0;
        for (ExprNode parameters : scheduleSpecExpressionList)
        {
            ExprValidationContext validationContext = new ExprValidationContext(new StreamTypeServiceImpl(context.getEngineURI(), false), context.getMethodResolutionService(), null, context.getSchedulingService(), context.getVariableService(), context, context.getEventAdapterService(), context.getStatementName(), context.getAnnotations());
            ExprNode node = ExprNodeUtil.getValidatedSubtree(parameters, validationContext);
            expressions[count++] = node.getExprEvaluator();
        }

        try
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Examples of com.espertech.esper.epl.core.StreamTypeServiceImpl

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        this.context = context;

        // Validate the expression
        ExprEvaluator[] expressions = new ExprEvaluator[scheduleSpecExpressionList.size()];
        int count = 0;
        ExprValidationContext validationContext = new ExprValidationContext(new StreamTypeServiceImpl(context.getEngineURI(), false), context.getMethodResolutionService(), null, context.getSchedulingService(), context.getVariableService(), context, context.getEventAdapterService(), context.getStatementName(), context.getAnnotations());
        for (ExprNode parameters : scheduleSpecExpressionList)
        {
            ExprNode node = ExprNodeUtil.getValidatedSubtree(parameters, validationContext);
            expressions[count++] = node.getExprEvaluator();
        }
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Examples of com.espertech.esper.epl.core.StreamTypeServiceImpl

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        for (int i = 0; i < streamParameters.length; i++) {
            eventTypes[i+1] = outerEventTypesSelect[streamParameters[i]];
            streamNames[i+1] = prototype.getParametersNames().get(i);
        }

        StreamTypeServiceImpl availableTypes = new StreamTypeServiceImpl(eventTypes, streamNames, new boolean[eventTypes.length], engineURI, false);
        availableTypes.setRequireStreamNames(true);

        // apply
        subselect.setFilterSubqueryStreamTypes(availableTypes);
    }
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Examples of com.espertech.esper.epl.core.StreamTypeServiceImpl

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                allStreamIdsMatch = false;
            }
        }

        StreamTypeService streamTypeService = validationContext.getStreamTypeService();
        StreamTypeServiceImpl copyTypes = new StreamTypeServiceImpl(eventTypes, streamNames, isIStreamOnly, streamTypeService.getEngineURIQualifier(), streamTypeService.isOnDemandStreams());
        copyTypes.setRequireStreamNames(true);

        // validate expression body in this context
        try {
            ExprValidationContext expressionBodyContext = new ExprValidationContext(copyTypes, validationContext);
            expressionBodyCopy = ExprNodeUtil.getValidatedSubtree(expressionBodyCopy, expressionBodyContext);
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Examples of com.espertech.esper.epl.core.StreamTypeServiceImpl

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                        String checkMinimal = ExprNodeUtility.isMinimalExpression(insertIntoFilter);
                        if (checkMinimal != null)
                        {
                            throw new ExprValidationException("Create window where-clause may not have " + checkMinimal);
                        }
                        StreamTypeService streamTypeService = new StreamTypeServiceImpl(selectFromType, selectFromTypeName, true, statementContext.getEngineURI());
                        ExprValidationContext validationContext = new ExprValidationContext(streamTypeService, statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), statementContext, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getAnnotations());
                        ExprNode insertFilter = ExprNodeUtil.getValidatedSubtree(spec.getCreateWindowDesc().getInsertFilter(), validationContext);
                        spec.getCreateWindowDesc().setInsertFilter(insertFilter);
                    }
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Examples of com.espertech.esper.epl.core.StreamTypeServiceImpl

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    }

    private static List<NamedWindowSelectedProps> compileLimitedSelect(SelectClauseSpecRaw spec, String eplStatement, EventType singleType, String selectFromTypeName, String engineURI, ExprEvaluatorContext exprEvaluatorContext, MethodResolutionService methodResolutionService, EventAdapterService eventAdapterService, String statementName, Annotation[] annotations)
    {
        List<NamedWindowSelectedProps> selectProps = new LinkedList<NamedWindowSelectedProps>();
        StreamTypeService streams = new StreamTypeServiceImpl(new EventType[] {singleType}, new String[] {"stream_0"}, new boolean[] {false}, engineURI, false);

        ExprValidationContext validationContext = new ExprValidationContext(streams, methodResolutionService, null, null, null, exprEvaluatorContext, eventAdapterService, statementName, annotations);
        for (SelectClauseElementRaw raw : spec.getSelectExprList())
        {
            if (!(raw instanceof SelectClauseExprRawSpec))
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Examples of com.espertech.esper.epl.core.StreamTypeServiceImpl

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        filters = new FilterSpecCompiled[numStreams];
        if (statementSpec.getFilterRootNode() != null) {
            LinkedHashMap<String, Pair<EventType, String>> tagged = new LinkedHashMap<String, Pair<EventType, String>>();
            for (int i = 0; i < numStreams; i++) {
                try {
                    StreamTypeServiceImpl types = new StreamTypeServiceImpl(typesPerStream, namesPerStream, new boolean[numStreams], services.getEngineURI(), false);
                    filters[i] = FilterSpecCompiler.makeFilterSpec(typesPerStream[i], namesPerStream[i],
                            Collections.singletonList(statementSpec.getFilterRootNode()), null,
                            tagged, tagged, types,
                            statementContext.getMethodResolutionService(),
                            statementContext.getTimeProvider(),
                            statementContext.getVariableService(),
                            statementContext.getEventAdapterService(),
                            services.getEngineURI(), null, statementContext);
                }
                catch (Exception ex) {
                    log.warn("Unexpected exception analyzing filter paths: " + ex.getMessage(), ex);
                }
            }
        }

        boolean[] isIStreamOnly = new boolean[namesPerStream.length];
        Arrays.fill(isIStreamOnly, true);
        StreamTypeService typeService = new StreamTypeServiceImpl(typesPerStream, namesPerStream, isIStreamOnly, services.getEngineURI(), true);
        EPStatementStartMethod.validateNodes(statementSpec, statementContext, typeService, null);

        resultSetProcessor = ResultSetProcessorFactory.getProcessor(statementSpec, statementContext, typeService, null, new boolean[0], true);

        if (statementSpec.getSelectClauseSpec().isDistinct())
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Examples of com.espertech.esper.epl.core.StreamTypeServiceImpl

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                    throw new ASTWalkException("Invalid interval-clause within match-recognize, expecting keyword INTERVAL");
                }
                ExprNode expression = astExprNodeMap.remove(intervalParent.getChild(1));
                ExprTimePeriod timePeriodExpr;
                try {
                    ExprValidationContext validationContext = new ExprValidationContext(new StreamTypeServiceImpl(engineURI, false), null, null, timeProvider, variableService, exprEvaluatorContext, null, null, null);
                    timePeriodExpr = (ExprTimePeriod) ExprNodeUtil.getValidatedSubtree(expression, validationContext);
                }
                catch (ExprValidationException ex)
                {
                    throw new ASTWalkException("Invalid interval-clause within match-recognize: " + ex.getMessage(), ex);
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