com.espertech.esper.epl.agg.aggregator
Class AggregatorAvedevFilter

java.lang.Object
  extended by com.espertech.esper.epl.agg.aggregator.AggregatorAvedev
      extended by com.espertech.esper.epl.agg.aggregator.AggregatorAvedevFilter
All Implemented Interfaces:
AggregationMethod

public class AggregatorAvedevFilter
extends AggregatorAvedev

Standard deviation always generates double-types numbers.


Constructor Summary
AggregatorAvedevFilter()
           
 
Method Summary
 void enter(java.lang.Object parameters)
          Apply the value as entering aggregation (entering window).
 void leave(java.lang.Object parameters)
          Apply the value as leaving aggregation (leaving window).
 
Methods inherited from class com.espertech.esper.epl.agg.aggregator.AggregatorAvedev
clear, getSum, getValue, getValueSet, getValueType, setSum, setValueSet
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AggregatorAvedevFilter

public AggregatorAvedevFilter()
Method Detail

enter

public void enter(java.lang.Object parameters)
Description copied from interface: AggregationMethod
Apply the value as entering aggregation (entering window).

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

Specified by:
enter in interface AggregationMethod
Overrides:
enter in class AggregatorAvedev
Parameters:
parameters - to add to aggregate

leave

public void leave(java.lang.Object parameters)
Description copied from interface: AggregationMethod
Apply the value as leaving aggregation (leaving window).

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

Specified by:
leave in interface AggregationMethod
Overrides:
leave in class AggregatorAvedev
Parameters:
parameters - to remove from aggregate

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