Package com.espertech.esper.core.service

Examples of com.espertech.esper.core.service.ExprEvaluatorContextStatement

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                                            StreamTypeService streamTypeService,
                                            String optionalStreamName,
                                            StatementContext stmtContext,
                                            Collection<Integer> assignedTypeNumberStack) throws ExprValidationException {

        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(stmtContext);

        return buildNoStmtCtx(validatedNodes, eventType, eventTypeName, optionalPropertyEvalSpec, taggedEventTypes, arrayEventTypes, streamTypeService,
                optionalStreamName, assignedTypeNumberStack,
                evaluatorContextStmt, stmtContext.getStatementId(), stmtContext.getStatementName(), stmtContext.getAnnotations(), stmtContext.getContextDescriptor(),
                stmtContext.getMethodResolutionService(), stmtContext.getEventAdapterService(), stmtContext.getTimeProvider(), stmtContext.getVariableService(), stmtContext.getConfigSnapshot(), stmtContext.getNamedWindowService());
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                                                       LinkedHashMap<String, Pair<EventType, String>> arrayEventTypes)
            throws ExprValidationException
    {
        List<ExprNode> validatedNodes = new ArrayList<ExprNode>();

        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
        ExprValidationContext validationContext = new ExprValidationContext(streamTypeService, statementContext.getMethodResolutionService(), null, statementContext.getTimeProvider(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);
        for (ExprNode node : exprNodes)
        {
            // Determine subselects
            ExprNodeSubselectDeclaredDotVisitor visitor = new ExprNodeSubselectDeclaredDotVisitor();
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            if (element instanceof SelectClauseExprCompiledSpec)
            {
                // validate
                SelectClauseExprCompiledSpec compiled = (SelectClauseExprCompiledSpec) element;
                ExprNode selectExpression = compiled.getSelectExpression();
                ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
                ExprValidationContext validationContext = new ExprValidationContext(subselectTypeService, statementContext.getMethodResolutionService(), viewResourceDelegateSubselect, statementContext.getSchedulingService(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);
                selectExpression = ExprNodeUtility.getValidatedSubtree(selectExpression, validationContext);
                subselect.setSelectClause(new ExprNode[] {selectExpression});
                subselect.setSelectAsNames(new String[] {compiled.getAssignedName()});
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    {
        ExprNode validated = validateExpr(viewName, statementContext, expression, streamTypeService, expressionNumber);

        try
        {
            return validated.getExprEvaluator().evaluate(null, true, new ExprEvaluatorContextStatement(statementContext));
        }
        catch (RuntimeException ex)
        {
            String message = "Failed to evaluate parameter expression " + expressionNumber + getViewDesc(viewName);
            if (ex.getMessage() != null)
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            throws ViewParameterException
    {
        ExprNode validated;
        try
        {
            ExprEvaluatorContextStatement exprEvaluatorContext = new ExprEvaluatorContextStatement(statementContext);
            ExprValidationContext validationContext = new ExprValidationContext(streamTypeService, statementContext.getMethodResolutionService(),
                    null, statementContext.getSchedulingService(), statementContext.getVariableService(), exprEvaluatorContext, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);
            validated = ExprNodeUtility.getValidatedSubtree(expression, validationContext);
        }
        catch (ExprValidationException ex)
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        }
        else {
            streamTypes = new StreamTypeServiceImpl(statementContext.getEngineURI(), false);
        }

        ExprValidationContext validationContext = new ExprValidationContext(streamTypes, statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), new ExprEvaluatorContextStatement(statementContext), statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);
        return ExprNodeUtility.getValidatedSubtree(expression, validationContext);
    }
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        timestampExpression = validated[0];
        timestampExpressionEval = timestampExpression.getExprEvaluator();

        // validate second: window size
        ViewFactorySupport.assertReturnsNonConstant(windowName, validated[0], 0);
        Object parameter = ViewFactorySupport.evaluateAssertNoProperties(windowName, validated[1], 1, new ExprEvaluatorContextStatement(statementContext));
        if (!(parameter instanceof Number))
        {
            throw new ViewParameterException(getViewParamMessage());
        }
        else
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        // 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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            throw new ViewParameterException(errorMessage);
        }
        expiryExpression = expressionParameters.get(0);

        if (expressionParameters.size() > 1) {
            Object result = ViewFactorySupport.evaluateAssertNoProperties(getViewName(), expressionParameters.get(1), 1, new ExprEvaluatorContextStatement(viewFactoryContext.getStatementContext()));
            includeTriggeringEvent = (Boolean) result;
        }
    }
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        throws ExprValidationException {

        // Validate the expressions
        ExprEvaluator[] expressions = new ExprEvaluator[scheduleSpecExpressionList.size()];
        int count = 0;
        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(context);
        for (ExprNode parameters : scheduleSpecExpressionList)
        {
            ExprValidationContext validationContext = new ExprValidationContext(new StreamTypeServiceImpl(context.getEngineURI(), false), context.getMethodResolutionService(), null, context.getSchedulingService(), context.getVariableService(), evaluatorContextStmt, context.getEventAdapterService(), context.getStatementName(), context.getStatementId(), context.getAnnotations(), context.getContextDescriptor(), false);
            ExprNode node = ExprNodeUtility.getValidatedSubtree(parameters, validationContext);
            expressions[count++] = node.getExprEvaluator();
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Related Classes of com.espertech.esper.core.service.ExprEvaluatorContextStatement

  • com.espertech.esper.core.start.EPPreparedExecuteInsertInto
  • com.espertech.esper.core.start.EPPreparedExecuteSingleStreamUpdate
  • com.espertech.esper.core.start.EPStatementStartMethodCreateVariable
  • com.espertech.esper.core.start.EPStatementStartMethodHelperSubselect
  • com.espertech.esper.core.start.EPStatementStartMethodHelperValidate
  • com.espertech.esper.core.start.EPStatementStartMethodSelect
  • com.espertech.esper.core.start.EPStatementStartMethodSelectUtil
  • com.espertech.esper.epl.core.ResultSetProcessorFactoryFactory
  • com.espertech.esper.epl.expression.ExprNodeUtility
  • com.espertech.esper.epl.join.hint.ExcludePlanHint
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