com.clarkparsia.pellet.sparqldl.model

Interface QueryAtom

All Known Subinterfaces:

Core

All Known Implementing Classes:

CoreImpl, CoreNewImpl, NotKnownQueryAtom, QueryAtomImpl, UnionQueryAtom

public interface QueryAtom

Title: Atom of a SPARQL-DL query.

Description:

Copyright: Copyright (c) 2007

Company: Clark & Parsia, LLC.

Author:

Petr Kremen

Method Summary

Modifier and Type	Method and Description
QueryAtom	apply(ResultBinding binding) Applies variable binding to the current atom and returns the result which might be same as the current atom.
List<aterm.ATermAppl>	getArguments() Returns arguments of the atom.
QueryPredicate	getPredicate() Returns predicate of the query atom.
boolean	isGround()

Method Detail

getPredicate

QueryPredicate getPredicate()

Returns predicate of the query atom.

Returns:

predicate of the query atom

getArguments

List<aterm.ATermAppl> getArguments()

Returns arguments of the atom.

Returns:

arguments of the atom

isGround

boolean isGround()

Returns:

true if the atom is ground, i.e. does not use variables, either distinguished or undistinguished ones.

apply

QueryAtom apply(ResultBinding binding)

Applies variable binding to the current atom and returns the result which might be same as the current atom. Current atom is not affected.

Parameters:

binding - QueryBinding to apply

Returns:

a query atom with applied query binding