public static synchronized boolean isSingleValued(
OntClass cls, OntProperty prop, String rngString) {
if (prop.isFunctionalProperty()) {
return true;
}
if (cls != null) {
ExtendedIterator<OntClass> eitr = cls.listSuperClasses(false);
while (eitr.hasNext()) {
OntClass supercls = eitr.next();
if (supercls.isRestriction()) {
Restriction rstrct = supercls.asRestriction();
if (rstrct.isMaxCardinalityRestriction()) {
MaxCardinalityRestriction mxcr = rstrct.asMaxCardinalityRestriction();
if (mxcr.getOnProperty().equals(prop) && mxcr.getMaxCardinality() == 1) {
return true;
}
} else if (rstrct.isCardinalityRestriction()) {
if (rstrct.isCardinalityRestriction()) {
CardinalityRestriction cr = rstrct.asCardinalityRestriction();
if (cr.getOnProperty().equals(prop) && cr.getCardinality() == 1) {
return true;
}
}
} else {
if (rstrct.hasProperty(OWL2.maxQualifiedCardinality)) {
if (rstrct.getOnProperty().equals(prop)
&& rstrct.getProperty(OWL2.maxQualifiedCardinality).getInt() == 1) {
// check class
if (rstrct.getProperty(OWL2.onClass).getResource().toString().equals(rngString)) {
return true;
}
}
} else if (rstrct.hasProperty(OWL2.qualifiedCardinality)) {
if (rstrct.getOnProperty().equals(prop)
&& rstrct.getProperty(OWL2.qualifiedCardinality).getInt() == 1) {
// check class
if (rstrct.getProperty(OWL2.onClass).getResource().toString().equals(rngString)) {
return true;
}
}
}
// StmtIterator siter = rstrct.listProperties();
// while (siter.hasNext()) {
// System.out.println(siter.nextStatement().toString());
// }
}
}
}
}
return false;
}
public Collection<PropertyInstance> getAllPropInstByVClasses(List<VClass> vclasses) {
List<PropertyInstance> propInsts = new ArrayList<PropertyInstance>();
if (vclasses == null || vclasses.isEmpty()) {
return propInsts;
}
Collections.sort(
vclasses, new VClassHierarchyRanker(this.getWebappDaoFactory().getVClassDao()));
OntModel ontModel = getOntModelSelector().getTBoxModel();
try {
ontModel.enterCriticalSection(Lock.READ);
// map object property URI to an array of two resources:
// the first is the "allValuesFrom" resource and the second is
// "someValuesFrom"
Map<String, Resource[]> applicableProperties = new HashMap<String, Resource[]>();
try {
for (VClass vclass : vclasses) {
if (vclass.isAnonymous()) {
continue;
}
String VClassURI = vclass.getURI();
OntClass ontClass = getOntClass(ontModel, VClassURI);
if (ontClass != null) {
List<OntClass> relatedClasses = new ArrayList<OntClass>();
relatedClasses.addAll(ontClass.listEquivalentClasses().toList());
relatedClasses.addAll(ontClass.listSuperClasses().toList());
for (OntClass relatedClass : relatedClasses) {
// find properties in restrictions
if (relatedClass.isRestriction()) {
// TODO: check if restriction is something like
// maxCardinality 0 or allValuesFrom owl:Nothing,
// in which case the property is NOT applicable!
Restriction rest = (Restriction) relatedClass.as(Restriction.class);
OntProperty onProperty = rest.getOnProperty();
if (onProperty != null && onProperty.canAs(ObjectProperty.class)) {
Resource[] ranges = new Resource[2];
if (rest.isAllValuesFromRestriction()) {
ranges[0] = (rest.asAllValuesFromRestriction()).getAllValuesFrom();
} else if (rest.isSomeValuesFromRestriction()) {
ranges[1] = (rest.asSomeValuesFromRestriction()).getSomeValuesFrom();
}
updatePropertyRangeMap(applicableProperties, onProperty.getURI(), ranges);
}
}
}
// find properties with class in domain
ResIterator pit = ontModel.listSubjectsWithProperty(RDFS.domain, ontClass);
while (pit.hasNext()) {
Resource prop = pit.nextResource();
if (prop.getNameSpace() != null
&& !NONUSER_NAMESPACES.contains(prop.getNameSpace())) {
StmtIterator rangeSit = prop.listProperties(RDFS.range);
Resource rangeRes = null;
while (rangeSit.hasNext()) {
Statement s = rangeSit.nextStatement();
if (s.getObject().isURIResource()) {
rangeRes = (Resource) s.getObject();
}
}
Resource[] ranges = new Resource[2];
ranges[0] = rangeRes;
updatePropertyRangeMap(applicableProperties, prop.getURI(), ranges);
}
}
}
}
} catch (Exception e) {
log.error(
"Unable to get applicable properties "
+ "by examining property restrictions and domains",
e);
}
// make the PropertyInstance objects
for (String propertyURI : applicableProperties.keySet()) {
ObjectProperty op = ontModel.getObjectProperty(propertyURI);
if (op == null) {
continue;
}
String domainURIStr = getURIStr(op.getDomain());
Resource[] foundRanges = applicableProperties.get(propertyURI);
Resource rangeRes =
(foundRanges[0] != null)
? foundRanges[0]
: (op.getRange() == null && foundRanges[1] != null)
? foundRanges[1]
: op.getRange();
PropertyInstance pi = new PropertyInstance();
if (rangeRes != null) {
String rangeClassURI;
if (rangeRes.isAnon()) {
rangeClassURI = PSEUDO_BNODE_NS + rangeRes.getId().toString();
} else {
rangeClassURI = (String) rangeRes.getURI();
}
pi.setRangeClassURI(rangeClassURI);
try {
pi.setRangeClassName(
getWebappDaoFactory().getVClassDao().getVClassByURI(rangeClassURI).getName());
// pi.setRangeClassName(getLabel(getOntModel().getOntResource(rangeClassURI)));
} catch (NullPointerException e) {
/* probably a union or intersection - need to handle this somehow */
}
} else {
pi.setRangeClassURI(OWL.Thing.getURI()); // TODO see above
}
pi.setDomainClassURI(domainURIStr);
try {
pi.setDomainClassName(
getWebappDaoFactory().getVClassDao().getVClassByURI(domainURIStr).getName());
// pi.setDomainClassName(getLabel(getOntModel().getOntResource(op.getDomain().getURI())));
} catch (NullPointerException e) {
/* probably a union or intersection - need to handle this somehow */
}
pi.setSubjectSide(true);
pi.setPropertyURI(op.getURI());
pi.setPropertyName(getLabelOrId(op)); // TODO
pi.setRangePublic(getLabelOrId(op));
pi.setDomainPublic(getLabelOrId(op));
propInsts.add(pi);
}
} finally {
ontModel.leaveCriticalSection();
}
Collections.sort(propInsts, new PropInstSorter());
return propInsts;
}
private void tryRestriction(
OntClass theClass,
VClassDao vcDao,
ObjectPropertyDao opDao,
IndividualDao iDao,
ArrayList results,
String vClassURI) {
if (theClass.isRestriction()) {
Restriction rest = (Restriction) theClass.as(Restriction.class);
try {
results.add("XX");
Property onProperty = rest.getOnProperty();
ObjectProperty op = opDao.getObjectPropertyByURI(onProperty.getURI());
results.add(op.getLocalNameWithPrefix());
if (rest.isAllValuesFromRestriction()) {
results.add("all values from");
AllValuesFromRestriction avfrest =
(AllValuesFromRestriction) rest.as(AllValuesFromRestriction.class);
Resource allValuesFrom = avfrest.getAllValuesFrom();
results.add(printAsClass(vcDao, allValuesFrom));
} else if (rest.isSomeValuesFromRestriction()) {
results.add("some values from");
SomeValuesFromRestriction svfrest =
(SomeValuesFromRestriction) rest.as(SomeValuesFromRestriction.class);
Resource someValuesFrom = svfrest.getSomeValuesFrom();
results.add(printAsClass(vcDao, someValuesFrom));
} else if (rest.isHasValueRestriction()) {
results.add("has value");
HasValueRestriction hvrest = (HasValueRestriction) rest.as(HasValueRestriction.class);
RDFNode hasValue = hvrest.getHasValue();
if (hasValue.isResource()) {
Resource hasValueRes = (Resource) hasValue.as(Resource.class);
try {
if (hasValueRes.getURI() != null) {
Individual ind = iDao.getIndividualByURI(hasValueRes.getURI());
if (ind.getName() != null) {
results.add(ind.getName());
}
}
} catch (Exception e) {
results.add("???");
}
}
} else if (rest.isMinCardinalityRestriction()) {
MinCardinalityRestriction crest =
(MinCardinalityRestriction) rest.as(MinCardinalityRestriction.class);
results.add("at least " + crest.getMinCardinality());
results.add(LAMBDA);
} else if (rest.isMaxCardinalityRestriction()) {
MaxCardinalityRestriction crest =
(MaxCardinalityRestriction) rest.as(MaxCardinalityRestriction.class);
results.add("at most " + crest.getMaxCardinality());
results.add(LAMBDA);
} else if (rest.isCardinalityRestriction()) {
CardinalityRestriction crest =
(CardinalityRestriction) rest.as(CardinalityRestriction.class);
results.add("exactly " + crest.getCardinality());
results.add(LAMBDA);
}
results.add(
"<form action=\"addRestriction\" method=\"post\">"
+ "<input type=\"hidden\" name=\"_action\" value=\"delete\"/>"
+ "<input type=\"submit\" value=\"Delete\"/>"
+ "<input type=\"hidden\" name=\"_epoKey\" value=\""
+ epo.getKey()
+ "\"/>"
+ "<input type=\"hidden\" name=\"classUri\" value=\""
+ vClassURI
+ "\"/>"
+ "<input type=\"hidden\" name=\"restrictionId\" value=\""
+ ((rest.getId() != null) ? rest.getId() : rest.getURI())
+ "\"/>"
+ "</form>");
} catch (Exception e) {
e.printStackTrace(); // results.add("unknown property");
}
}
}