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;
}
private Set<NonLiteral> getSiblings(NonLiteral resource, TripleCollection base) {
Set<Resource> parents = new HashSet<Resource>();
{
Iterator<Triple> parentTriples = base.filter(resource, parentProperty, null);
while (parentTriples.hasNext()) {
parents.add(parentTriples.next().getObject());
}
}
Set<NonLiteral> resultSet = new HashSet<NonLiteral>();
for (Resource parent : parents) {
Iterator<Triple> childTriples = base.filter(null, parentProperty, parent);
while (childTriples.hasNext()) {
resultSet.add(childTriples.next().getSubject());
}
}
return resultSet;
}
/**
* Used by {@link #testRetrival()} to validate that an Entity is correctly retrieved by the tested
* {@link ClerezzaYard}s.
*
* @param entity key - URI; value - expected RDF data
*/
private void validateEntity(ClerezzaYard yard, Entry<UriRef, TripleCollection> entity) {
Representation rep = yard.getRepresentation(entity.getKey().getUnicodeString());
assertNotNull(
"The Representation for " + entity.getKey() + "is missing in the " + yard.getId(), rep);
assertTrue("RdfRepresentation expected", rep instanceof RdfRepresentation);
TripleCollection repGraph = ((RdfRepresentation) rep).getRdfGraph();
for (Iterator<Triple> triples = entity.getValue().iterator(); triples.hasNext(); ) {
Triple triple = triples.next();
assertTrue(
"Data of Representation " + entity.getKey() + "is missing the triple " + triple,
repGraph.remove(triple));
}
assertTrue(
repGraph.size()
+ " unexpected Triples are present in the "
+ "Representation of Entity "
+ entity.getKey(),
repGraph.isEmpty());
}
@Override
public int providedTriplesCount(TripleCollection base) {
// raw guess
return (int) (base.size() * 0.01);
}