Examples of com.espertech.esper.epl.subquery.SubselectAggregatorView

Package com.espertech.esper.epl.subquery

Examples of com.espertech.esper.epl.subquery.SubselectAggregatorView

com.espertech.esper.epl.subquery.SubselectAggregatorView
View handling the insert and remove stream generated by a subselect for application to aggregation state.

                subselect.setFilterExpr(null);      // filter not evaluated by subselect expression as not correlated
                ExprEvaluator filterExprEval = (filterExpr == null) ? null : filterExpr.getExprEvaluator();


                // If we have window index sharing, the subselectView will be null
                if (!correlatedSubquery && subselectView != null) {
                    SubselectAggregatorView aggregatorView = new SubselectAggregatorView(aggregationService, filterExprEval, statementContext);
                    subselectView.addView(aggregatorView);
                    subselectView = aggregatorView;
                    eventIndex = null;
                }
                else {

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        AggregationService aggregationService = null;
        if (aggregationServiceFactory != null) {
            aggregationService = aggregationServiceFactory.getAggregationServiceFactory().makeService(agentInstanceContext);


            if (!correlatedSubquery) {
                SubselectAggregatorView aggregatorView = new SubselectAggregatorView(aggregationService, filterExprEval, agentInstanceContext);
                subselectView.addView(aggregatorView);


                preload(services, null, aggregatorView, agentInstanceContext);


                return new SubSelectStrategyRealization(NULL_ROW_STRATEGY, null, aggregationService, priorNodeStrategies, previousNodeStrategies);

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        AggregationService aggregationService = null;
        if (aggregationServiceFactory != null) {
            aggregationService = aggregationServiceFactory.getAggregationServiceFactory().makeService(agentInstanceContext, agentInstanceContext.getStatementContext().getMethodResolutionService());


            if (!correlatedSubquery) {
                SubselectAggregatorView aggregatorView = new SubselectAggregatorView(aggregationService, filterExprEval, agentInstanceContext);
                subselectView.addView(aggregatorView);


                preload(services, null, aggregatorView, agentInstanceContext);


                return new SubSelectStrategyRealization(NULL_ROW_STRATEGY, null, aggregationService, priorNodeStrategies, previousNodeStrategies);

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        AggregationService aggregationService = null;
        if (aggregationServiceFactory != null) {
            aggregationService = aggregationServiceFactory.getAggregationServiceFactory().makeService(agentInstanceContext, agentInstanceContext.getStatementContext().getMethodResolutionService());


            if (!correlatedSubquery) {
                SubselectAggregatorView aggregatorView = new SubselectAggregatorView(aggregationService, filterExprEval, agentInstanceContext);
                subselectView.addView(aggregatorView);


                preload(services, null, aggregatorView, agentInstanceContext);


                return new SubSelectStrategyRealization(NULL_ROW_STRATEGY, null, aggregationService, priorNodeStrategies, previousNodeStrategies);

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        AggregationService aggregationService = null;
        if (aggregationServiceFactory != null) {
            aggregationService = aggregationServiceFactory.getAggregationServiceFactory().makeService(agentInstanceContext, agentInstanceContext.getStatementContext().getMethodResolutionService());


            if (!correlatedSubquery) {
                SubselectAggregatorView aggregatorView = new SubselectAggregatorView(aggregationService, filterExprEval, agentInstanceContext);
                subselectView.addView(aggregatorView);


                preload(services, null, aggregatorView, agentInstanceContext);


                return new SubSelectStrategyRealization(NULL_ROW_STRATEGY, null, aggregationService, priorNodeStrategies, previousNodeStrategies, subselectView, null);

View Full Code Here

                subselect.setAggregatedSubquery(true);
                ExprEvaluator filterExprEval = (filterExpr == null) ? null : filterExpr.getExprEvaluator();


                // If we have window index sharing, the subselectView will be null
                if (!correlatedSubquery && subselectView != null) {
                    SubselectAggregatorView aggregatorView = new SubselectAggregatorView(aggregationService, filterExprEval, statementContext);
                    subselectView.addView(aggregatorView);
                    subselectView = aggregatorView;
                    eventIndex = null;
                }
                else {

View Full Code Here

        AggregationService aggregationService = null;
        if (aggregationServiceFactory != null) {
            aggregationService = aggregationServiceFactory.getAggregationServiceFactory().makeService(agentInstanceContext, agentInstanceContext.getStatementContext().getMethodResolutionService());


            if (!correlatedSubquery) {
                SubselectAggregatorView aggregatorView = new SubselectAggregatorView(aggregationService, filterExprEval, agentInstanceContext);
                subselectView.addView(aggregatorView);


                preload(services, null, aggregatorView, agentInstanceContext);


                return new SubSelectStrategyRealization(NULL_ROW_STRATEGY, null, aggregationService, priorNodeStrategies, previousNodeStrategies, subselectView, null);

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Related Classes of com.espertech.esper.epl.subquery.SubselectAggregatorView

com.espertech.esper.core.context.subselect.SubSelectStrategyFactoryLocalViewPreloaded

com.espertech.esper.core.EPStatementStartMethod

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