protected MGraph getOntologyAsMGraph(
OWLOntologyID ontologyId, boolean merge, IRI universalPrefix) {
if (merge)
throw new UnsupportedOperationException(
"Merge not implemented yet for Clerezza triple collections.");
/*
* TODO manage import rewrites better once the container ID is fully configurable (i.e. instead of
* going upOne() add "session" or "ontology" if needed). But only do this if we keep considering
* imported ontologies as *not* managed.
*/
// if (!merge) { // TODO
MGraph o =
new IndexedMGraph(ontologyProvider.getStoredOntology(ontologyId, MGraph.class, merge));
// Now rewrite import statements
// Scan import statements for each owl:Ontology instance (hopefully one).
String tid = getID();
// Bit of a hack : since ontology spaces are named like {scopeid}/{core|custom}, in that
// particular
// case we go back to {scopeid}, whereas for sessions we maintain their original id.
if (backwardPathLength > 0) tid = tid.split("/")[0];
Iterator<Triple> it;
List<Triple> newImports = new LinkedList<Triple>();
synchronized (o) {
it = o.filter(null, OWL.imports, null);
// We use this list to avoid concurrent modification exceptions.
List<Triple> replaceUs = new LinkedList<Triple>();
while (it.hasNext()) replaceUs.add(it.next());
for (Triple t : replaceUs) {
String s = ((UriRef) (t.getObject())).getUnicodeString();
// FIXME note the different import targets in the OWLOntology and TripleColllection objects!
// s = s.substring(s.indexOf("::") + 2, s.length());
boolean managed = managedOntologies.contains(IRI.create(s));
UriRef target =
new UriRef(
(managed
? universalPrefix + "/" + tid + "/"
: URIUtils.upOne(universalPrefix) + "/")
+ s);
o.remove(t);
newImports.add(new TripleImpl(t.getSubject(), OWL.imports, target));
}
}
for (Triple t : newImports) o.add(t);
// } // TODO else if (merge)
return o;
}
private TripleCollection getMergedTc() {
TripleCollection result = new SimpleMGraph(); // Takes less memory than the Indexed one
for (OWLOntologyID key : listManagedOntologies()) {
// TODO when implemented, switch to true.
TripleCollection managed = getOntology(key, TripleCollection.class, false);
Set<Resource> exclusions = new HashSet<Resource>();
Iterator<Triple> it = managed.filter(null, RDF.type, OWL.Ontology);
while (it.hasNext()) exclusions.add(it.next().getSubject());
for (Triple t : managed) if (!exclusions.contains(t.getSubject())) result.add(t);
}
// TODO Purge property usage
return result;
}
@Test
public void curiesInContextTest() throws IOException, JsonLdError {
final InputStream in =
getClass().getClassLoader().getResourceAsStream("testfiles/curies-in-context.jsonld");
final Object input = JSONUtils.fromInputStream(in);
final ClerezzaTripleCallback callback = new ClerezzaTripleCallback();
final MGraph graph = (MGraph) JsonLdProcessor.toRDF(input, callback);
for (final Triple t : graph) {
System.out.println(t);
assertTrue(
"Predicate got fully expanded", t.getPredicate().getUnicodeString().startsWith("http"));
}
assertEquals("Graph size", 3, graph.size());
}
