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, 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, false);
                selectExpression = ExprNodeUtility.getValidatedSubtree(ExprNodeOrigin.SUBQUERYSELECT, selectExpression, validationContext);
                subselect.setSelectClause(new ExprNode[] {selectExpression});
                subselect.setSelectAsNames(new String[] {compiled.getAssignedName()});
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        String[] streamNames = new String[] {UuidGenerator.generate(), triggeringStreamName};
        StreamTypeService streamTypeService = new StreamTypeServiceImpl(eventTypes, streamNames, new boolean[1], statementContext.getEngineURI(), false);

        // Get select expr processor
        SelectExprEventTypeRegistry selectExprEventTypeRegistry = new SelectExprEventTypeRegistry(statementContext.getDynamicReferenceEventTypes());
        ExprEvaluatorContextStatement exprEvaluatorContext = new ExprEvaluatorContextStatement(statementContext);
        SelectExprProcessor insertHelper = SelectExprProcessorFactory.getProcessor(Collections.singleton(selectClauseNumber), selectNoWildcard, false, insertIntoDesc, null, streamTypeService,
                statementContext.getEventAdapterService(), statementContext.getStatementResultService(), statementContext.getValueAddEventService(), selectExprEventTypeRegistry,
                statementContext.getMethodResolutionService(), exprEvaluatorContext, statementContext.getVariableService(), statementContext.getTimeProvider(), statementContext.getEngineURI(), statementContext.getStatementId(), statementContext.getStatementName(), statementContext.getAnnotations(), statementContext.getContextDescriptor());
        ExprEvaluator filterEval = desc.getOptionalWhereClause() == null ? null : desc.getOptionalWhereClause().getExprEvaluator();
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        // order-by clause with the full expression
        expandColumnNames(selectClauseSpec.getSelectExprList(), orderByList);

        // Validate selection expressions, if any (could be wildcard i.e. empty list)
        List<SelectClauseExprCompiledSpec> namedSelectionList = new LinkedList<SelectClauseExprCompiledSpec>();
        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(stmtContext);
        ExprValidationContext validationContext = new ExprValidationContext(typeService, stmtContext.getMethodResolutionService(), viewResourceDelegate, stmtContext.getSchedulingService(), stmtContext.getVariableService(),evaluatorContextStmt, stmtContext.getEventAdapterService(), stmtContext.getStatementName(), stmtContext.getStatementId(), stmtContext.getAnnotations(), stmtContext.getContextDescriptor());

        for (int i = 0; i < selectClauseSpec.getSelectExprList().size(); i++)
        {
            // validate element
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        OutputLimitSpec outputLimitSpec = statementSpec.getOutputLimitSpec();
        boolean isDistinct = statementSpec.getSelectClauseSpec().isDistinct();
        boolean isGrouped = statementSpec.getGroupByExpressions() != null && !statementSpec.getGroupByExpressions().isEmpty();

        if (outputLimitSpec != null) {
            ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
            ExprValidationContext validationContext = new ExprValidationContext(null, statementContext.getMethodResolutionService(), null, statementContext.getTimeProvider(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor());
            if (outputLimitSpec.getAfterTimePeriodExpr() != null) {
                outputLimitSpec.getAfterTimePeriodExpr().validate(validationContext);
            }
            if (outputLimitSpec.getTimePeriodExpr() != null) {
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        Object value = null;
        if (createDesc.getAssignment() != null)
        {
            // Evaluate assignment expression
            StreamTypeService typeService = new StreamTypeServiceImpl(new EventType[0], new String[0], new boolean[0], services.getEngineURI(), false);
            ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
            ExprValidationContext validationContext = new ExprValidationContext(typeService, statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor());
            ExprNode validated = ExprNodeUtility.getValidatedSubtree(createDesc.getAssignment(), validationContext);
            value = validated.getExprEvaluator().evaluate(null, true, evaluatorContextStmt);
        }
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        for (int i = 1; i < validated.length; i++)
        {
            ViewFactorySupport.assertReturnsNonConstant(NAME, validated[i], i);
        }

        ExprEvaluatorContextStatement exprEvaluatorContext = new ExprEvaluatorContextStatement(statementContext);
        Object sortSize = ViewFactorySupport.evaluateAssertNoProperties(NAME, validated[0], 0, exprEvaluatorContext);
        if ((sortSize == null) || (!(sortSize instanceof Number)))
        {
            throw new ViewParameterException(message);
        }
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        {
            throw new ViewParameterException(errorMessage);
        }
        timestampExpression = validated[0];

        ExprEvaluatorContextStatement exprEvaluatorContext = new ExprEvaluatorContextStatement(statementContext);
        Object parameter = ViewFactorySupport.evaluateAssertNoProperties("Externally-timed window", validated[1], 1, exprEvaluatorContext);
        if (!(parameter instanceof Number))
        {
            throw new ViewParameterException(errorMessage);
        }
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        this.isNamedWindowInsert = isNamedWindowInsert;
        this.epStatementHandle = epStatementHandle;
        this.processors = processors;
        this.whereClauses = whereClauses;
        this.statementContext = statementContext;
        this.exprEvaluatorContextStatement = new ExprEvaluatorContextStatement(statementContext);
        this.audit = AuditEnum.INSERT.getAudit(statementContext.getAnnotations()) != null;
    }
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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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