com.clarkparsia.pellet.sparqldl.model

Class UnionQueryAtom

java.lang.Object

com.clarkparsia.pellet.sparqldl.model.UnionQueryAtom

All Implemented Interfaces:

QueryAtom

public class UnionQueryAtom
extends Object
implements QueryAtom

Title:

Description:

Copyright: Copyright (c) 2009

Company: Clark & Parsia, LLC.

Author:

Evren Sirin

Constructor Summary

Constructors

Constructor and Description
UnionQueryAtom(List<List<QueryAtom>> union)
UnionQueryAtom(List<QueryAtom> atoms1, List<QueryAtom> atoms2)

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.
boolean	equals(Object obj)
List<aterm.ATermAppl>	getArguments() Returns arguments of the atom.
QueryPredicate	getPredicate() Returns predicate of the query atom.
List<List<QueryAtom>>	getUnion()
int	hashCode()
boolean	isGround()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

UnionQueryAtom

public UnionQueryAtom(List<QueryAtom> atoms1,
                      List<QueryAtom> atoms2)

UnionQueryAtom

public UnionQueryAtom(List<List<QueryAtom>> union)

Method Detail

apply

public QueryAtom apply(ResultBinding binding)

Description copied from interface: QueryAtom

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

Specified by:

apply in interface QueryAtom

Parameters:

binding - QueryBinding to apply

Returns:

a query atom with applied query binding

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getArguments

public List<aterm.ATermAppl> getArguments()

Returns arguments of the atom.

Specified by:

getArguments in interface QueryAtom

Returns:

arguments of the atom

getUnion

public List<List<QueryAtom>> getUnion()

getPredicate

public QueryPredicate getPredicate()

Returns predicate of the query atom.

Specified by:

getPredicate in interface QueryAtom

Returns:

predicate of the query atom

hashCode

public int hashCode()

Overrides:

hashCode in class Object

isGround

public boolean isGround()

Specified by:

isGround in interface QueryAtom

Returns:

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

toString

public String toString()

Overrides:

toString in class Object