org.jrdf.query.relation
Interface GraphRelation

All Superinterfaces:

Relation

All Known Implementing Classes:

GraphRelationImpl

public interface GraphRelation
extends Relation

A marker interface that indicates that the relation is of three columns - subject, predicate and object.

Version:

$Revision: 533 $

Author:

Andrew Newman

Method Summary

Set<Tuple>

getTuples(List<AttributeValuePair> nameValues) Returns the set of tuples based on the constraints given 3 attribute/value pairs.

Methods inherited from interface org.jrdf.query.relation.Relation

getHeading, getSortedHeading, getSortedTuples, getTuples

Method Detail

getTuples

Set<Tuple> getTuples(List<AttributeValuePair> nameValues)

Returns the set of tuples based on the constraints given 3 attribute/value pairs. Either of variable, type and ANY_NODE or position name, type and node value.

Parameters:

nameValues - an ordered list of 3 attribute value pairs in the subject, predicate and object position.

Returns:

a set of tuples.