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java.lang.Objectcom.espertech.esper.epl.agg.aggregator.AggregatorSumInteger
com.espertech.esper.epl.agg.aggregator.AggregatorSumIntegerFilter
public class AggregatorSumIntegerFilter
Sum for integer values.
Field Summary |
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Fields inherited from class com.espertech.esper.epl.agg.aggregator.AggregatorSumInteger |
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numDataPoints, sum |
Constructor Summary | |
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AggregatorSumIntegerFilter()
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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.AggregatorSumInteger |
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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 AggregatorSumIntegerFilter()
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 AggregatorSumInteger
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 AggregatorSumInteger
parameters
- to remove from aggregate
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© 2006-2011 EsperTech Inc. All rights reserved. Visit us at espertech.com |
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