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.service.AggregationService

        final List<StopCallback> stopCallbacks = new ArrayList<StopCallback>(2);


        Viewable finalView;
        ViewableActivationResult[] viewableActivationResult = new ViewableActivationResult[eventStreamParentViewableActivators.length];
        Map<ExprSubselectNode, SubSelectStrategyHolder> subselectStrategies;
        AggregationService aggregationService;
        Viewable[] streamViews;
        Viewable[] eventStreamParentViewable;
        Viewable[] topViews;
        Map<ExprPriorNode, ExprPriorEvalStrategy> priorNodeStrategies;
        Map<ExprPreviousNode, ExprPreviousEvalStrategy> previousNodeStrategies;

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

                                                    AgentInstanceContext agentInstanceContext,
                                                    List<StopCallback> stopCallbackList) {


        SubselectAggregationPreprocessorBase subselectAggregationPreprocessor = null;


        AggregationService aggregationService = null;
        if (aggregationServiceFactory != null) {
            aggregationService = aggregationServiceFactory.getAggregationServiceFactory().makeService(agentInstanceContext, agentInstanceContext.getStatementContext().getMethodResolutionService());
            if (groupByKeys == null) {
                if (filterExprEval == null) {
                    subselectAggregationPreprocessor = new SubselectAggregationPreprocessorUnfilteredUngrouped(aggregationService, filterExprEval, null);

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Examples of com.espertech.esper.epl.agg.service.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) {
                View aggregatorView;

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

    {
        final List<StopCallback> stopCallbacks = new ArrayList<StopCallback>();


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


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

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

public class EPStatementStartMethodHelperUtil
{
    private static final Log log = LogFactory.getLog(EPStatementStartMethodHelperUtil.class);


    public static Pair<ResultSetProcessor, AggregationService> startResultSetAndAggregation(ResultSetProcessorFactoryDesc resultSetProcessorPrototype, AgentInstanceContext agentInstanceContext) {
        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.service.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.service.AggregationService


    public SubSelectStrategyRealization instantiate(EPServicesContext services, Viewable viewableRoot, AgentInstanceContext agentInstanceContext, List<StopCallback> stopCallbackList) {


        SubselectAggregationPreprocessor subselectAggregationPreprocessor = null;


        AggregationService aggregationService = null;
        if (aggregationServiceFactory != null) {
            aggregationService = aggregationServiceFactory.getAggregationServiceFactory().makeService(agentInstanceContext, agentInstanceContext.getStatementContext().getMethodResolutionService());
            subselectAggregationPreprocessor = new SubselectAggregationPreprocessor(aggregationService, filterExprEval);
        }

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

        final List<StopCallback> stopCallbacks = new ArrayList<StopCallback>(2);


        Viewable finalView;
        ViewableActivationResult[] viewableActivationResult = new ViewableActivationResult[eventStreamParentViewableActivators.length];
        Map<ExprSubselectNode, SubSelectStrategyHolder> subselectStrategies;
        AggregationService aggregationService;
        Viewable[] streamViews;
        Viewable[] eventStreamParentViewable;
        Viewable[] topViews;
        Map<ExprPriorNode, ExprPriorEvalStrategy> priorNodeStrategies;
        Map<ExprPreviousNode, ExprPreviousEvalStrategy> previousNodeStrategies;

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

    {
        final List<StopCallback> stopCallbacks = new ArrayList<StopCallback>();


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


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

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