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

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

public class AggregatorLastEverFilter
extends AggregatorLastEver

Aggregator for the very last value.


Field Summary
 
Fields inherited from class com.espertech.esper.epl.agg.aggregator.AggregatorLastEver
lastValue, type
 
Constructor Summary
AggregatorLastEverFilter(java.lang.Class type)
           
 
Method Summary
 void enter(java.lang.Object parameters)
          Apply the value as entering aggregation (entering window).
 
Methods inherited from class com.espertech.esper.epl.agg.aggregator.AggregatorLastEver
clear, getValue, getValueType, leave
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AggregatorLastEverFilter

public AggregatorLastEverFilter(java.lang.Class type)
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 AggregatorLastEver
Parameters:
parameters - to add to aggregate

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