org.aksw.jena_sparql_api.mapper

Interface Agg<T>

All Known Implementing Classes:

AggList, AggLiteral, AggMap, AggObject, AggTransform

public interface Agg<T>

Method Summary

Methods

Modifier and Type	Method and Description
Acc<T>	createAccumulator()
Set<com.hp.hpl.jena.sparql.core.Var>	getDeclaredVars() An accumulator may declare the variable it references.

Method Detail

createAccumulator

Acc<T> createAccumulator()

getDeclaredVars

Set<com.hp.hpl.jena.sparql.core.Var> getDeclaredVars()

An accumulator may declare the variable it references. The variables can be derived from e.g. underlying Sparql expressions or sub aggregators.

Returns: