AggregateOperator (Eclipse RDF4J 4.2.4)

All Superinterfaces:

Cloneable, QueryModelNode, Serializable, ValueExpr

All Known Implementing Classes:

AbstractAggregateOperator, AggregateFunctionCall, AggregateOperatorBase, Avg, Count, GroupConcat, Max, Min, Sample, Sum
```
public interface AggregateOperator
extends ValueExpr
```
An operator that returns aggregates values.

Author:

David Huynh

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`AggregateOperator`	`clone()`	Returns a (deep) clone of this query model node.
`boolean`	`isDistinct()`
`void`	`setDistinct(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

- Method Detail
  - isDistinct
```
boolean isDistinct()
```
  - setDistinct
```
void setDistinct(boolean distinct)
```
  - clone
```
AggregateOperator clone()
```
    Description copied from interface: QueryModelNode
    
    Returns a (deep) clone of this query model node. This method recursively clones the entire node tree, starting from this nodes.
    
    Specified by:
    
    clone in interface QueryModelNode
    
    Specified by:
    
    clone in interface ValueExpr
    
    Returns:
    
    A deep clone of this query model node.