Package com.espertech.esper.epl.agg.service

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

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        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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        // 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
        final EPStatementStopMethod stopMethod = new EPStatementStopMethodImpl(statementContext, stopCallbacks);
        if (statementSpec.getOptionalContextName() != null) {
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                                                    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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        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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        // 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
        final EPStatementStopMethod stopMethod = new EPStatementStopMethodImpl(statementContext, stopCallbacks);
        if (statementSpec.getOptionalContextName() != null) {
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        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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            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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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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            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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        };

        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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Related Classes of com.espertech.esper.epl.agg.service.AggregationService

  • com.espertech.esper.core.context.factory.StatementAgentInstanceFactoryOnTrigger
  • com.espertech.esper.core.context.factory.StatementAgentInstanceFactorySelect
  • com.espertech.esper.core.context.subselect.SubSelectStrategyFactoryLocalViewPreloaded
  • com.espertech.esper.core.context.subselect.SubSelectStrategyFactoryNamedWinIndexShare
  • com.espertech.esper.core.start.EPStatementStartMethodHelperAssignExpr
  • com.espertech.esper.core.start.EPStatementStartMethodHelperUtil
  • com.espertech.esper.core.start.EPStatementStartMethodOnTrigger
  • com.espertech.esper.core.start.EPStatementStartMethodSelect
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