Examples of AggregationService

com.espertech.esper.epl.agg.AggregationService
Service for maintaing aggregation state. Processes events entering (a window, a join etc,) and events leaving. Answers questions about current aggrataion state for a given row.
com.espertech.esper.epl.agg.service.AggregationService
Service for maintaining aggregation state. Processes events entering (a window, a join etc,) and events leaving. Answers questions about current aggregation state for a given row.

Examples of com.espertech.esper.epl.agg.AggregationService

        Map<ExprPriorNode, ExprPriorEvalStrategy> priorNodeStrategies = EPStatementStartMethodHelperPrior.compilePriorNodeStrategies(viewResourceDelegate, new AgentInstanceViewFactoryChainContext[]{viewFactoryChainContext});


        // handle "previous" nodes and their strategies
        Map<ExprPreviousNode, ExprPreviousEvalStrategy> previousNodeStrategies = EPStatementStartMethodHelperPrevious.compilePreviousNodeStrategies(viewResourceDelegate, new AgentInstanceViewFactoryChainContext[]{viewFactoryChainContext});


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


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

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Examples of com.espertech.esper.epl.agg.AggregationService


        // Determine context
        EPStatementStopMethod stopStatementMethod;
        EPStatementDestroyMethod destroyStatementMethod;
        Viewable finalViewable;
        AggregationService aggregationService;
        Map<ExprSubselectNode, SubSelectStrategyHolder> subselectStrategyInstances;
        Map<ExprPriorNode, ExprPriorEvalStrategy> priorStrategyInstances;
        Map<ExprPreviousNode, ExprPreviousEvalStrategy> previousStrategyInstances;
        List<StatementAgentInstancePreload> preloadList = Collections.emptyList();

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Examples of com.espertech.esper.epl.agg.AggregationService

        // perform start of hook-up to start
        Viewable finalViewable;
        EPStatementStopMethod stopStatementMethod;
        EPStatementDestroyMethod destroyStatementMethod;
        Map<ExprSubselectNode, SubSelectStrategyHolder> subselectStrategyInstances;
        AggregationService aggregationService;


        // With context - delegate instantiation to context
        if (statementSpec.getOptionalContextName() != null) {


            // use statement-wide agent-instance-specific aggregation service

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Examples of com.espertech.esper.epl.agg.AggregationService

            pair.getKey().setPriorStrategy(pair.getValue());
        }
    }


    public static ResultSetProcessor getAssignResultSetProcessor(AgentInstanceContext agentInstanceContext, ResultSetProcessorFactoryDesc resultSetProcessorPrototype) {
        AggregationService aggregationService = null;
        if (resultSetProcessorPrototype.getAggregationServiceFactoryDesc() != null) {
            aggregationService = resultSetProcessorPrototype.getAggregationServiceFactoryDesc().getAggregationServiceFactory().makeService(agentInstanceContext, agentInstanceContext.getStatementContext().getMethodResolutionService());
        }


        OrderByProcessor orderByProcessor = null;

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Examples of com.espertech.esper.epl.agg.AggregationService

            pair.getKey().setPriorStrategy(pair.getValue());
        }
    }


    public static ResultSetProcessor getAssignResultSetProcessor(AgentInstanceContext agentInstanceContext, ResultSetProcessorFactoryDesc resultSetProcessorPrototype) {
        AggregationService aggregationService = null;
        if (resultSetProcessorPrototype.getAggregationServiceFactoryDesc() != null) {
            aggregationService = resultSetProcessorPrototype.getAggregationServiceFactoryDesc().getAggregationServiceFactory().makeService(agentInstanceContext, agentInstanceContext.getStatementContext().getMethodResolutionService());
        }


        OrderByProcessor orderByProcessor = null;

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Examples of com.espertech.esper.epl.agg.AggregationService

        };


        Viewable finalView;
        ViewableActivationResult[] viewableActivationResult = new ViewableActivationResult[eventStreamParentViewableActivators.length];
        Map<ExprSubselectNode, SubSelectStrategyHolder> subselectStrategies;
        AggregationService aggregationService;
        Viewable[] streamViews;
        Map<ExprPriorNode, ExprPriorEvalStrategy> priorNodeStrategies;
        Map<ExprPreviousNode, ExprPreviousEvalStrategy> previousNodeStrategies;
        List<StatementAgentInstancePreload> preloadList = new ArrayList<StatementAgentInstancePreload>();

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Examples of com.espertech.esper.epl.agg.AggregationService

        Map<ExprPriorNode, ExprPriorEvalStrategy> priorNodeStrategies = EPStatementStartMethodHelperPrior.compilePriorNodeStrategies(viewResourceDelegate, new AgentInstanceViewFactoryChainContext[]{viewFactoryChainContext});


        // handle "previous" nodes and their strategies
        Map<ExprPreviousNode, ExprPreviousEvalStrategy> previousNodeStrategies = EPStatementStartMethodHelperPrevious.compilePreviousNodeStrategies(viewResourceDelegate, new AgentInstanceViewFactoryChainContext[]{viewFactoryChainContext});


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


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

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Examples of com.espertech.esper.epl.agg.AggregationService

        // perform start of hook-up to start
        Viewable finalViewable;
        EPStatementStopMethod stopStatementMethod;
        EPStatementDestroyMethod destroyStatementMethod;
        Map<ExprSubselectNode, SubSelectStrategyHolder> subselectStrategyInstances;
        AggregationService aggregationService;


        // With context - delegate instantiation to context
        if (statementSpec.getOptionalContextName() != null) {


            // use statement-wide agent-instance-specific aggregation service

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Examples of com.espertech.esper.epl.agg.AggregationService

            }
        };


        View onExprView;
        Map<ExprSubselectNode, SubSelectStrategyHolder> subselectStrategies;
        AggregationService aggregationService = null;


        try {
            if (services.getSchedulableAgentInstanceDirectory() != null) {
                services.getSchedulableAgentInstanceDirectory().add(agentInstanceContext.getEpStatementAgentInstanceHandle());
            }

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Examples of com.espertech.esper.epl.agg.AggregationService


        // Determine context
        EPStatementStopMethod stopStatementMethod;
        EPStatementDestroyMethod destroyStatementMethod;
        Viewable finalViewable;
        AggregationService aggregationService;
        Map<ExprSubselectNode, SubSelectStrategyHolder> subselectStrategyInstances;
        Map<ExprPriorNode, ExprPriorEvalStrategy> priorStrategyInstances;
        Map<ExprPreviousNode, ExprPreviousEvalStrategy> previousStrategyInstances;
        List<StatementAgentInstancePreload> preloadList = Collections.emptyList();

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