public class AggNull extends AggregatorBase
| Constructor and Description |
|---|
AggNull() |
| Modifier and Type | Method and Description |
|---|---|
Aggregator |
copy(ExprList exprs) |
static Accumulator |
createAccNull() |
Accumulator |
createAccumulator()
Create an accumulator for this aggregator
|
boolean |
equals(Aggregator other,
boolean bySyntax)
Consider this 'protected'
|
Node |
getValueEmpty()
Value if there are no elements in any group : return null for no result
|
int |
hashCode() |
asSparqlExpr, copyTransform, equals, getExprList, getName, getValue, key, toPrefixString, toStringpublic Aggregator copy(ExprList exprs)
public Accumulator createAccumulator()
AggregatorcreateAccumulator in interface AggregatorcreateAccumulator in class AggregatorBasepublic Node getValueEmpty()
AggregatorgetValueEmpty in interface AggregatorgetValueEmpty in class AggregatorBasepublic int hashCode()
hashCode in interface AggregatorhashCode in class AggregatorBasepublic boolean equals(Aggregator other, boolean bySyntax)
Aggregatorpublic static Accumulator createAccNull()
Licenced under the Apache License, Version 2.0