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java.lang.Objectcom.espertech.esper.epl.agg.aggregator.AggregatorLastEver
com.espertech.esper.epl.agg.aggregator.AggregatorLastEverFilter
public class AggregatorLastEverFilter
Aggregator for the very last value.
Field Summary |
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Fields inherited from class com.espertech.esper.epl.agg.aggregator.AggregatorLastEver |
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lastValue, type |
Constructor Summary | |
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AggregatorLastEverFilter(java.lang.Class type)
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Method Summary | |
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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.AggregatorLastEver |
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clear, getValue, getValueType |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public AggregatorLastEverFilter(java.lang.Class type)
Method Detail |
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public void enter(java.lang.Object parameters)
AggregationMethod
The value can be null since 'null' values may be counted as unique separate values.
enter
in interface AggregationMethod
enter
in class AggregatorLastEver
parameters
- to add to aggregatepublic void leave(java.lang.Object parameters)
AggregationMethod
The value can be null since 'null' values may be counted as unique separate values.
leave
in interface AggregationMethod
leave
in class AggregatorLastEver
parameters
- to remove from aggregate
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