public Set<OWLClass> getSubClasses(String classExpressionString, boolean direct) {
if (classExpressionString.trim().length() == 0) {
return Collections.emptySet();
}
OWLClassExpression classExpression = parser.parseClassExpression(classExpressionString);
NodeSet<OWLClass> subClasses = reasoner.getSubClasses(classExpression, direct);
return subClasses.getFlattened();
}
public Set<OWLNamedIndividual> getInstances(String classExpressionString, boolean direct) {
if (classExpressionString.trim().length() == 0) {
return Collections.emptySet();
}
OWLClassExpression classExpression = parser.parseClassExpression(classExpressionString);
NodeSet<OWLNamedIndividual> individuals = reasoner.getInstances(classExpression, direct);
return individuals.getFlattened();
}
public Set<OWLClass> getEquivalentClasses(String classExpressionString) {
if (classExpressionString.trim().length() == 0) {
return Collections.emptySet();
}
OWLClassExpression classExpression = parser.parseClassExpression(classExpressionString);
Node<OWLClass> equivalentClasses = reasoner.getEquivalentClasses(classExpression);
Set<OWLClass> result = null;
if (classExpression.isAnonymous()) {
result = equivalentClasses.getEntities();
} else {
result = equivalentClasses.getEntitiesMinus(classExpression.asOWLClass());
}
return result;
}