org.jrdf.query.relation.type
Interface PositionalNodeType

All Superinterfaces:

NodeType, Serializable

All Known Implementing Classes:

ObjectNodeType, PredicateNodeType, PredicateObjectNodeType, SubjectNodeType, SubjectObjectNodeType, SubjectPredicateNodeType, SubjectPredicateObjectNodeType

public interface PositionalNodeType
extends NodeType

Node types - data types belong to RDF nodes. Positional node types are those grouped by their position in an RDF Triple - Subject, Predicate, Object, SubjectPredicate, SubjectObject and SubjectPredicateObject.

Version:

$Revision: 1045 $

Author:

Andrew Newman

Method Summary

PositionalNodeType

upgrade(PositionalNodeType newNodeType) Given a new node type what is the new compound node type.

Methods inherited from interface org.jrdf.query.relation.type.NodeType

accept, composedOf, getName

Method Detail

upgrade

PositionalNodeType upgrade(PositionalNodeType newNodeType)

Given a new node type what is the new compound node type. For example, if this was a SubjectNodeType and it was given a parameter of ObjectNodeType it should return SubjectObjectNodeType.

Parameters:

newNodeType - the new node type to upgrade the current node type to.

Returns:

the new instance of a compound node type.