Module org.apache.jena.arq

Package org.apache.jena.sparql.expr.aggregate

Class AggCountVarDistinct

java.lang.Object

org.apache.jena.sparql.expr.aggregate.AggregatorBase

org.apache.jena.sparql.expr.aggregate.AggCountVarDistinct

All Implemented Interfaces:

Aggregator

public class AggCountVarDistinct
extends AggregatorBase

Constructor Summary

Constructors

Constructor	Description
AggCountVarDistinct(Expr expr)

Method Summary

Modifier and Type	Method	Description
Aggregator	copy(ExprList exprs)
Accumulator	createAccumulator()	Create an accumulator for this aggregator
boolean	equals(Aggregator other, boolean bySyntax)	Consider this 'protected'
org.apache.jena.graph.Node	getValueEmpty()	Value if there are no groups : return null for no result
int	hashCode()

Methods inherited from class org.apache.jena.sparql.expr.aggregate.AggregatorBase

asSparqlExpr, copyTransform, equals, getExprList, getName, getValue, key, toPrefixString, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

AggCountVarDistinct

public AggCountVarDistinct(Expr expr)

Method Details

copy

public Aggregator copy(ExprList exprs)

createAccumulator

public Accumulator createAccumulator()

Description copied from interface: Aggregator

Create an accumulator for this aggregator

Specified by:

createAccumulator in interface Aggregator

Specified by:

createAccumulator in class AggregatorBase

getValueEmpty

public org.apache.jena.graph.Node getValueEmpty()

Description copied from interface: Aggregator

Value if there are no groups : return null for no result

Specified by:

getValueEmpty in interface Aggregator

Specified by:

getValueEmpty in class AggregatorBase

hashCode

public int hashCode()

Specified by:

hashCode in interface Aggregator

Specified by:

hashCode in class AggregatorBase

equals

public boolean equals(Aggregator other,
 boolean bySyntax)

Description copied from interface: Aggregator

Consider this 'protected'