Uses of Interface
net.esper.eql.agg.AggregationResultFuture

Packages that use AggregationResultFuture
net.esper.eql.agg Contains aggregation service and aggregators 
net.esper.eql.expression This package contains the EQL expression nodes that represent all expressions such as used in select clauses, group-by and having clauses, or order-by clauses 
 

Uses of AggregationResultFuture in net.esper.eql.agg
 

Subinterfaces of AggregationResultFuture in net.esper.eql.agg
 interface AggregationService
          Service for maintaing aggregation state.
 

Classes in net.esper.eql.agg that implement AggregationResultFuture
 class AggregationServiceBase
          All aggregation services require evaluation nodes which supply the value to be aggregated (summed, averaged, etc.) and aggregation state factories to make new aggregation states.
 class AggregationServiceGroupAllImpl
          Implementation for handling aggregation without any grouping (no group-by).
 class AggregationServiceGroupByImpl
          Implementation for handling aggregation with grouping by group-keys.
 class AggregationServiceNull
          A null object implementation of the AggregationService interface.
 

Uses of AggregationResultFuture in net.esper.eql.expression
 

Methods in net.esper.eql.expression with parameters of type AggregationResultFuture
 void ExprAggregateNode.setAggregationResultFuture(AggregationResultFuture aggregationResultFuture, int column)
          Assigns to the node the future which can be queried for the current aggregation state at evaluation time.
 


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