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AggregationFunction Interface

Maintains aggregation state applying values as entering and leaving the state. new aggregation state holders and be created from a prototype.

Namespace:  com.espertech.esper.common.client.hook.aggfunc
Assembly:  NEsper.Common (in NEsper.Common.dll) Version: 8.0.0.0
Syntax
C#
public interface AggregationFunction

The AggregationFunction type exposes the following members.

Properties
  NameDescription
Public propertyValue
Returns the current value held.
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Methods
  NameDescription
Public methodClear
Clear out the collection.
Public methodEnter
Apply the value as entering aggregation (entering window).

The value can be null since 'null' values may be counted as unique separate values.

Public methodLeave
Apply the value as leaving aggregation (leaving window).

The value can be null since 'null' values may be counted as unique separate values.

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See Also