OWLGraphWrapperEdgesExtended extends OWLGraphWrapperEdges { public Set<OWLClass> getOWLClassDirectAncestors(OWLClass subClass) { Set<OWLClass> directParents = new HashSet<OWLClass>(); for (OWLGraphEdge outgoingEdge: this.getOutgoingEdges(subClass)) { OWLObject directParent = outgoingEdge.getTarget(); if (this.isRealClass(directParent)) { directParents.add((OWLClass) directParent); } } return directParents; } OWLGraphWrapperEdgesExtended(OWLOntology ontology); protected  OWLGraphWrapperEdgesExtended(String iri); boolean isOWLObjectInSubsets(OWLObject testObject, Collection<String> subsets); Set<OWLAnnotationProperty> getSubAnnotationPropertiesOf(
            OWLAnnotationProperty prop); LinkedHashSet<OWLAnnotationProperty> getSubAnnotationPropertyClosureOf(
            OWLAnnotationProperty prop); LinkedHashSet<OWLAnnotationProperty> getSubAnnotationPropertyReflexiveClosureOf(
            OWLAnnotationProperty prop); Set<OWLObjectPropertyExpression> getSubPropertiesOf(
			OWLObjectPropertyExpression prop); LinkedHashSet<OWLObjectPropertyExpression> getSubPropertyClosureOf(
			OWLObjectPropertyExpression prop); LinkedHashSet<OWLObjectPropertyExpression> getSubPropertyReflexiveClosureOf(
			OWLObjectPropertyExpression prop); LinkedHashSet<OWLObjectPropertyExpression> getSuperPropertyReflexiveClosureOf(
    		OWLObjectPropertyExpression prop); LinkedHashSet<OWLGraphEdge> getOWLGraphEdgeSubRelsReflexive(OWLGraphEdge edge); OWLGraphEdge combineEdgePairWithSuperPropsAndGCI(OWLGraphEdge firstEdge, 
    		OWLGraphEdge secondEdge); Set<OWLGraphEdge> getOutgoingEdgesNamedClosureOverSupProps(OWLObject s); Set<OWLGraphEdge> getOutgoingEdgesNamedClosureOverSupPropsWithGCI(OWLObject s); Set<OWLGraphEdge> getOutgoingEdgesClosureWithGCI(OWLObject s); Set<OWLGraphEdge> getGCIOutgoingEdges(OWLClass s); Set<OWLGraphEdge> getGCIOutgoingEdges(OWLClass s, 
            Set<OWLPropertyExpression> overProps); Set<OWLGraphEdge> getGCIIncomingEdges(OWLClass t); Set<OWLGraphEdge> getOutgoingEdgesWithGCI(OWLObject s); Set<OWLGraphEdge> getOutgoingEdgesWithGCI(OWLObject s, 
            Set<OWLPropertyExpression> overProperties); Set<OWLGraphEdge> getIncomingEdgesWithGCI(OWLObject t); Set<OWLNamedObject> getNamedAncestorsWithGCI(OWLObject sourceObject); Set<OWLNamedObject> getNamedAncestorsWithGCI(OWLObject sourceObject, 
            @SuppressWarnings("rawtypes") Set<OWLPropertyExpression> overProps); Set<OWLClass> getOWLClassAncestorsWithGCI(OWLObject sourceObject); Set<OWLClass> getOWLClassDirectDescendantsWithGCI(OWLClass parentClass); Set<OWLClass> getOWLClassDescendantsWithGCI(OWLClass parentClass); Set<OWLClass> getOWLClassDescendantsWithGCI(OWLClass parentClass, 
            @SuppressWarnings("rawtypes") Set<OWLPropertyExpression> overProps); OWLGraphEdge combineEdgePairWithGCI(OWLObject s, OWLGraphEdge ne, 
            OWLGraphEdge extEdge, int nextDist); boolean hasFirstEdgeMoreGeneralGCIParams(OWLGraphEdge firstEdge, 
            OWLGraphEdge otherEdge); Set<OWLClass> getAncestorsThroughIsA(OWLObject x); Set<OWLClass> getDescendantsThroughIsA(OWLObject x); @Override void clearCachedEdges(); OWLObject edgeToSourceExpression(OWLGraphEdge e); Set<OWLClass> getAllRealOWLClasses(); Set<OWLClass> getAllRealOWLClassesFromSource(); Set<OWLClass> getOntologyRoots(); Set<OWLClass> getOntologyRoots(Set<OWLPropertyExpression> overProperties); Set<OWLClass> getOntologyLeaves(); Set<OWLClass> getOWLClassDescendants(OWLClass parentClass); Set<OWLClass> getOWLClassDirectDescendants(OWLClass parentClass); Set<OWLClass> getOWLClassDirectAncestors(OWLClass subClass); Set<OWLClass> getOWLClassAncestors(OWLClass sourceClass); boolean isRealClass(OWLObject object);  }
@Test public void shouldGetOWLClassDirectAncestors() { Set<OWLClass> parents = wrapper.getOWLClassDirectAncestors( wrapper.getOWLClassByIdentifier("FOO:0011")); assertTrue("Incorrect parents returned: " + parents, parents.size() == 2 && parents.contains(wrapper.getOWLClassByIdentifier("FOO:0009")) && parents.contains(wrapper.getOWLClassByIdentifier("FOO:0002"))); }