Package org.eclipse.rdf4j.query.algebra
Interface AggregateOperator
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- All Superinterfaces:
Cloneable,QueryModelNode,Serializable,ValueExpr
- All Known Implementing Classes:
AbstractAggregateOperator,AggregateFunctionCall,Avg,Count,GroupConcat,Max,Min,Sample,Sum
public interface AggregateOperator extends ValueExpr
An operator that returns aggregates values.- Author:
- David Huynh
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description AggregateOperatorclone()Returns a (deep) clone of this query model node.booleanisDistinct()voidsetDistinct(boolean distinct)-
Methods inherited from interface org.eclipse.rdf4j.query.algebra.QueryModelNode
equals, getCostEstimate, getParentNode, getResultSizeActual, getResultSizeEstimate, getSignature, getTotalTimeNanosActual, replaceChildNode, replaceWith, setCostEstimate, setParentNode, setResultSizeActual, setResultSizeEstimate, setTotalTimeNanosActual, toString, visit, visitChildren
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Method Detail
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isDistinct
boolean isDistinct()
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setDistinct
void setDistinct(boolean distinct)
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clone
AggregateOperator clone()
Description copied from interface:QueryModelNodeReturns a (deep) clone of this query model node. This method recursively clones the entire node tree, starting from this nodes.- Specified by:
clonein interfaceQueryModelNode- Specified by:
clonein interfaceValueExpr- Returns:
- A deep clone of this query model node.
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