protected boolean isResourceListStrict(IRI mainNode, TypeMatcher typeMatcher, int minSize) {
if (mainNode == null) {
return false;
}
IRI currentListNode = mainNode;
Set<IRI> visitedListNodes = new HashSet<IRI>();
int size = 0;
while (true) {
IRI firstObject = consumer.getResourceObject(currentListNode, RDF_FIRST, false);
if (firstObject == null) {
return false;
}
if (!typeMatcher.isTypeStrict(firstObject)) {
// Something in the list that is not of the required type
return false;
} else {
size++;
}
IRI restObject = consumer.getResourceObject(currentListNode, RDF_REST, false);
if (visitedListNodes.contains(restObject)) {
// Cycle - Non-terminating
return false;
}
if (restObject == null) {
// Not terminated properly
return false;
}
if (restObject.equals(RDF_NIL.getIRI())) {
// Terminated properly
return size >= minSize;
}
// Carry on
visitedListNodes.add(restObject);
currentListNode = restObject;
}
}
protected boolean isDataRangeLax(IRI mainNode, OWLRDFVocabulary predicate) {
IRI object = consumer.getResourceObject(mainNode, predicate, false);
return object != null && isDataRangeLax(mainNode);
}
protected boolean isDataRangeStrict(IRI mainNode, OWLRDFVocabulary predicate) {
IRI object = consumer.getResourceObject(mainNode, predicate, false);
return isDataRangeStrict(object);
}
protected boolean isDataPropertyStrict(IRI mainNode, OWLRDFVocabulary predicate) {
IRI object = consumer.getResourceObject(mainNode, predicate, false);
return object != null && isDataPropertyStrict(object);
}
protected boolean isClassExpressionLax(IRI mainNode, OWLRDFVocabulary predicate) {
IRI object = consumer.getResourceObject(mainNode, predicate, false);
return object != null && isClassExpressionLax(object);
}
protected boolean isResourcePresent(IRI mainNode, OWLRDFVocabulary predicate) {
return consumer.getResourceObject(mainNode, predicate, false) != null;
}
