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Packages that use AggregationResultFuture | |
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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 |
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Subinterfaces of AggregationResultFuture in net.esper.eql.agg | |
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interface |
AggregationService
Service for maintaing aggregation state. |
Classes in net.esper.eql.agg that implement AggregationResultFuture | |
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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 |
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Methods in net.esper.eql.expression with parameters of type AggregationResultFuture | |
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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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