com.hp.hpl.jena.reasoner.dig
Class DIGQueryParentsTranslator

java.lang.Object
  com.hp.hpl.jena.reasoner.dig.DIGQueryTranslator
      com.hp.hpl.jena.reasoner.dig.DIGQueryAncestorsTranslator
          com.hp.hpl.jena.reasoner.dig.DIGQueryParentsTranslator

public class DIGQueryParentsTranslator
extends DIGQueryAncestorsTranslator

Translator that generates DIG parents/childre queries in response to a find queries:

 :X direct-subClassOf *
 *  direct-subClassOf :X
 

or similar.

Version:

Release @release@ ($Id: DIGQueryParentsTranslator.java,v 1.9 2008/01/02 12:07:09 andy_seaborne Exp $)

Author:

Ian Dickinson, HP Labs (email)

Field Summary

Fields inherited from class com.hp.hpl.jena.reasoner.dig.DIGQueryTranslator

ALL

Constructor Summary

DIGQueryParentsTranslator(java.lang.String predicate, boolean parents)
Construct a translator for the DIG query 'parents'.

DIGQueryParentsTranslator(java.lang.String subject, java.lang.String predicate, java.lang.String object, boolean parents)
Construct a translator for the DIG query 'parents', with explicit subject and object values.

Method Summary

org.w3c.dom.Document

translatePattern(TriplePattern pattern, DIGAdapter da) Answer a query that will generate the direct class hierarchy (one level up or down) for a node

Methods inherited from class com.hp.hpl.jena.reasoner.dig.DIGQueryAncestorsTranslator

checkObject, checkSubject, translatePattern, translateResponseHook

Methods inherited from class com.hp.hpl.jena.reasoner.dig.DIGQueryTranslator

checkPredicate, checkTriple, find, find, translateResponse, trigger

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DIGQueryParentsTranslator

public DIGQueryParentsTranslator(java.lang.String predicate,
                                 boolean parents)

Construct a translator for the DIG query 'parents'.

Parameters:

predicate - The predicate URI to trigger on

parents - If true, we are searching for parents of the class; if false, the children

DIGQueryParentsTranslator

public DIGQueryParentsTranslator(java.lang.String subject,
                                 java.lang.String predicate,
                                 java.lang.String object,
                                 boolean parents)

Construct a translator for the DIG query 'parents', with explicit subject and object values.

Parameters:

subject - The subject URI to trigger on

predicate - The predicate URI to trigger on

object - The object URI to trigger on

parents - If true, we are searching for parents of the class; if false, the children

Method Detail

translatePattern

public org.w3c.dom.Document translatePattern(TriplePattern pattern,
                                             DIGAdapter da)

Answer a query that will generate the direct class hierarchy (one level up or down) for a node

Overrides:

translatePattern in class DIGQueryAncestorsTranslator