protected QueryableCollection getQueryableCollection(
String entityName, String propertyName, SessionFactoryImplementor factory)
throws HibernateException {
PropertyMapping ownerMapping = (PropertyMapping) factory.getEntityPersister(entityName);
Type type = ownerMapping.toType(propertyName);
if (!type.isCollectionType()) {
throw new MappingException(
"Property path ["
+ entityName
+ "."
+ propertyName
+ "] does not reference a collection");
}
String role = ((CollectionType) type).getRole();
try {
return (QueryableCollection) factory.getCollectionPersister(role);
} catch (ClassCastException cce) {
throw new QueryException("collection role is not queryable: " + role);
} catch (Exception e) {
throw new QueryException("collection role not found: " + role);
}
}
public String[] map(String reference) {
return PROPERTY_MAPPING.toColumns(reference);
}