Class AbstractAggregationFunction
- java.lang.Object
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- com.inductiveautomation.gateway.tags.history.query.processing.aggregates.AbstractAggregationFunction
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- All Implemented Interfaces:
AggregationFunction
- Direct Known Subclasses:
CountAggregate
,EventCounterAggregate
,LastValueAggregate
,PercentAggregate
,SimpleAverageAggregate
,SumAggregate
,TimeCounterAggregate
,TimeWeightedAvgAggregate
,VarianceAggregate
public abstract class AbstractAggregationFunction extends java.lang.Object implements AggregationFunction
Created by Colby on 8/10/2015.
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Field Summary
Fields Modifier and Type Field Description static QualifiedValue[]
NO_DATA
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Constructor Summary
Constructors Constructor Description AbstractAggregationFunction()
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Method Summary
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface com.inductiveautomation.ignition.gateway.sqltags.history.query.processing.AggregationFunction
getDataType, process, supportsDataType
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Field Detail
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NO_DATA
public static final QualifiedValue[] NO_DATA
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