Package com.espertech.esper.epl.expression

Examples of com.espertech.esper.epl.expression.ExprValidationContext

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        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);
        }

        // Create variable
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                FilterStreamSpecCompiled result = (FilterStreamSpecCompiled) raw.compile(statementContext, eventTypesReferenced, false, Collections.<Integer>emptyList());
                hashItem.setFilterSpecCompiled(result.getFilterSpec());

                // validate parameters
                StreamTypeServiceImpl streamTypes = new StreamTypeServiceImpl(result.getFilterSpec().getFilterForEventType(), null, true, statementContext.getEngineURI());
                ExprValidationContext validationContext = new ExprValidationContext(streamTypes, statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), getDefaultAgentInstanceContext(), statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor());
                ExprNodeUtility.validate(Collections.singletonList(hashItem.getFunction()), validationContext);
            }
        }
        else if (contextDetail instanceof ContextDetailInitiatedTerminated) {
            ContextDetailInitiatedTerminated fixed = (ContextDetailInitiatedTerminated) contextDetail;
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            return new ContextDetailMatchPair(crontab, new MatchEventSpec(), new LinkedHashSet<String>());
        }

        if (endpoint instanceof ContextDetailConditionTimePeriod) {
            ContextDetailConditionTimePeriod timePeriod = (ContextDetailConditionTimePeriod) endpoint;
            ExprValidationContext validationContext = new ExprValidationContext(new StreamTypeServiceImpl(services.getEngineURI(), false), statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), getDefaultAgentInstanceContext(), statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor());
            timePeriod.getTimePeriod().validate(validationContext);
            return new ContextDetailMatchPair(timePeriod, new MatchEventSpec(), new LinkedHashSet<String>());
        }

        if (endpoint instanceof ContextDetailConditionPattern) {
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        OutputLimitSpec outputLimitSpec = statementSpec.getOutputLimitSpec();
        boolean isDistinct = statementSpec.getSelectClauseSpec().isDistinct();
        boolean isGrouped = statementSpec.getGroupByExpressions() != null && !statementSpec.getGroupByExpressions().isEmpty();

        if (outputLimitSpec != null) {
            ExprValidationContext validationContext = new ExprValidationContext(null, statementContext.getMethodResolutionService(), null, statementContext.getTimeProvider(), statementContext.getVariableService(), statementContext, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations());
            if (outputLimitSpec.getAfterTimePeriodExpr() != null) {
                outputLimitSpec.getAfterTimePeriodExpr().validate(validationContext);
            }
            if (outputLimitSpec.getTimePeriodExpr() != null) {
                outputLimitSpec.getTimePeriodExpr().validate(validationContext);
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        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);
        }

        // Create variable
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        boolean isDistinct = statementSpec.getSelectClauseSpec().isDistinct();
        boolean isGrouped = statementSpec.getGroupByExpressions() != null && statementSpec.getGroupByExpressions().length > 0;

        if (outputLimitSpec != null) {
            ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
            ExprValidationContext validationContext = new ExprValidationContext(new StreamTypeServiceImpl(statementContext.getEngineURI(), false), statementContext.getMethodResolutionService(), null, statementContext.getTimeProvider(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor());
            if (outputLimitSpec.getAfterTimePeriodExpr() != null) {
                ExprTimePeriod timePeriodExpr = (ExprTimePeriod) ExprNodeUtility.getValidatedSubtree(outputLimitSpec.getAfterTimePeriodExpr(), validationContext);
                outputLimitSpec.setAfterTimePeriodExpr(timePeriodExpr);
            }
            if (outputLimitSpec.getTimePeriodExpr() != null) {
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                new EventType[] {processor.getNamedWindowType(), null, processor.getNamedWindowType()},
                new String[] {aliasName, "", EPStatementStartMethodOnTrigger.INITIAL_VALUE_STREAM_NAME},
                new boolean[] {true, true, true}, services.getEngineURI(), true);
        assignmentTypeService.setStreamZeroUnambigous(true);
        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
        ExprValidationContext validationContext = new ExprValidationContext(assignmentTypeService, statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor());

        // validate update expressions
        try {
            for (OnTriggerSetAssignment assignment : updateSpec.getAssignments())
            {
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                FilterStreamSpecCompiled result = (FilterStreamSpecCompiled) raw.compile(statementContext, eventTypesReferenced, false, Collections.<Integer>emptyList());
                hashItem.setFilterSpecCompiled(result.getFilterSpec());

                // validate parameters
                StreamTypeServiceImpl streamTypes = new StreamTypeServiceImpl(result.getFilterSpec().getFilterForEventType(), null, true, statementContext.getEngineURI());
                ExprValidationContext validationContext = new ExprValidationContext(streamTypes, statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), getDefaultAgentInstanceContext(statementContext), statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor());
                ExprNodeUtility.validate(Collections.singletonList(hashItem.getFunction()), validationContext);
            }
        }
        else if (contextDetail instanceof ContextDetailInitiatedTerminated) {
            ContextDetailInitiatedTerminated fixed = (ContextDetailInitiatedTerminated) contextDetail;
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            return new ContextDetailMatchPair(crontab, new MatchEventSpec(), new LinkedHashSet<String>());
        }

        if (endpoint instanceof ContextDetailConditionTimePeriod) {
            ContextDetailConditionTimePeriod timePeriod = (ContextDetailConditionTimePeriod) endpoint;
            ExprValidationContext validationContext = new ExprValidationContext(new StreamTypeServiceImpl(servicesContext.getEngineURI(), false), statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), getDefaultAgentInstanceContext(statementContext), statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor());
            ExprNodeUtility.getValidatedSubtree(timePeriod.getTimePeriod(), validationContext);
            return new ContextDetailMatchPair(timePeriod, new MatchEventSpec(), new LinkedHashSet<String>());
        }

        if (endpoint instanceof ContextDetailConditionPattern) {
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        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(new StreamTypeServiceImpl(statementContext.getEngineURI(), false), statementContext.getMethodResolutionService(), null, statementContext.getTimeProvider(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor());
            if (outputLimitSpec.getAfterTimePeriodExpr() != null) {
                ExprTimePeriod timePeriodExpr = (ExprTimePeriod) ExprNodeUtility.getValidatedSubtree(outputLimitSpec.getAfterTimePeriodExpr(), validationContext);
                outputLimitSpec.setAfterTimePeriodExpr(timePeriodExpr);
            }
            if (outputLimitSpec.getTimePeriodExpr() != null) {
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Related Classes of com.espertech.esper.epl.expression.ExprValidationContext

  • com.espertech.esper.core.start.EPPreparedExecuteInsertInto
  • com.espertech.esper.core.start.EPPreparedExecuteSingleStreamUpdate
  • com.espertech.esper.core.start.EPStatementStartMethodCreateContext
  • com.espertech.esper.core.start.EPStatementStartMethodCreateVariable
  • com.espertech.esper.epl.view.OutputProcessViewFactory
  • com.espertech.esper.epl.view.OutputProcessViewFactoryFactory
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