Examples with BlankNodeOrIRI org.apache.clerezza.commons.rdf.BlankNodeOrIRI used on opensource projects

Example 16 with BlankNodeOrIRI

use of org.apache.clerezza.commons.rdf.BlankNodeOrIRI in project stanbol by apache.

the class TestMetaxaCore method printTriples.

/**
     * This prints out the Stanbol Enhancer triples that would be created for the metadata
     * contained in the given model.
     *
     * @param m a {@link Model}
     *
     * @return an {@code int} with the number of added triples
     */
private int printTriples(Model m) {
    int tripleCounter = 0;
    HashMap<BlankNode, BlankNode> blankNodeMap = new HashMap<BlankNode, BlankNode>();
    ClosableIterator<Statement> it = m.iterator();
    while (it.hasNext()) {
        Statement oneStmt = it.next();
        BlankNodeOrIRI subject = (BlankNodeOrIRI) MetaxaEngine.asClerezzaResource(oneStmt.getSubject(), blankNodeMap);
        IRI predicate = (IRI) MetaxaEngine.asClerezzaResource(oneStmt.getPredicate(), blankNodeMap);
        RDFTerm object = MetaxaEngine.asClerezzaResource(oneStmt.getObject(), blankNodeMap);
        if (null != subject && null != predicate && null != object) {
            Triple t = new TripleImpl(subject, predicate, object);
            LOG.debug("adding " + t);
            tripleCounter++;
        } else {
            LOG.debug("skipped " + oneStmt.toString());
        }
    }
    it.close();
    return tripleCounter;
}

Example 17 with BlankNodeOrIRI

use of org.apache.clerezza.commons.rdf.BlankNodeOrIRI in project stanbol by apache.

the class AbstractOntologyCollectorImpl method exportToGraph.

/**
     * This method has no conversion calls, to it can be invoked by subclasses that wish to modify it
     * afterwards.
     * 
     * @param merge
     * @return
     */
protected Graph exportToGraph(boolean merge, org.semanticweb.owlapi.model.IRI prefix) {
    // if (merge) throw new UnsupportedOperationException(
    // "Merge not implemented yet for Clerezza triple collections.");
    long before = System.currentTimeMillis();
    // No need to store, give it a name, or anything.
    Graph root = new SimpleGraph();
    IRI iri = new IRI(prefix + _id);
    // Add the import declarations for directly managed ontologies.
    if (root != null) {
        // Set the ontology ID
        root.add(new TripleImpl(iri, RDF.type, OWL.Ontology));
        if (merge) {
            log.warn("Merging of Clerezza triple collections is only implemented one level down. Import statements will be preserved for further levels.");
            Iterator<Triple> it;
            Set<RDFTerm> importTargets = new HashSet<RDFTerm>();
            for (OWLOntologyID ontologyId : managedOntologies) {
                ImmutableGraph g = getOntology(ontologyId, ImmutableGraph.class, false);
                root.addAll(g);
                it = g.filter(null, OWL.imports, null);
                while (it.hasNext()) {
                    org.semanticweb.owlapi.model.IRI tgt;
                    RDFTerm r = it.next().getObject();
                    try {
                        if (r instanceof IRI)
                            tgt = org.semanticweb.owlapi.model.IRI.create(((IRI) r).getUnicodeString());
                        else if (r instanceof Literal)
                            tgt = org.semanticweb.owlapi.model.IRI.create(((Literal) r).getLexicalForm());
                        else
                            tgt = org.semanticweb.owlapi.model.IRI.create(r.toString());
                        tgt = URIUtils.sanitize(tgt);
                        importTargets.add(new IRI(tgt.toString()));
                    } catch (Exception ex) {
                        log.error("FAILED to obtain import target from resource {}", r);
                        continue;
                    }
                }
                it = g.filter(null, RDF.type, OWL.Ontology);
                while (it.hasNext()) {
                    BlankNodeOrIRI ontology = it.next().getSubject();
                    log.debug("Removing all triples related to {} from {}", ontology, iri);
                    Iterator<Triple> it2 = g.filter(ontology, null, null);
                    while (it2.hasNext()) root.remove(it2.next());
                }
                /*
                     * Reinstate import statements, though. If imported ontologies were not merged earlier, we
                     * are not doing it now anyway.
                     */
                for (RDFTerm target : importTargets) root.add(new TripleImpl(iri, OWL.imports, target));
            }
        } else {
            String base = prefix + getID();
            for (int i = 0; i < backwardPathLength; i++) base = URIUtils.upOne(URI.create(base)).toString();
            base += "/";
            // The key set of managedOntologies contains the ontology IRIs, not their storage keys.
            for (OWLOntologyID ontologyId : managedOntologies) {
                org.semanticweb.owlapi.model.IRI physIRI = // .create(base + ontologyId.getVersionIRI()));
                org.semanticweb.owlapi.model.IRI.create(base + OntologyUtils.encode(ontologyId));
                root.add(new TripleImpl(iri, OWL.imports, new IRI(physIRI.toString())));
            }
        }
        log.debug("Clerezza export of {} completed in {} ms.", getID(), System.currentTimeMillis() - before);
    }
    return root;
}

Example 18 with BlankNodeOrIRI

use of org.apache.clerezza.commons.rdf.BlankNodeOrIRI in project stanbol by apache.

the class CustomSpaceImpl method getOntologyAsGraph.

@Override
protected Graph getOntologyAsGraph(OWLOntologyID ontologyId, boolean merge, org.semanticweb.owlapi.model.IRI universalPrefix) {
    Graph o = super.getOntologyAsGraph(ontologyId, merge, universalPrefix);
    switch(getConnectivityPolicy()) {
        case LOOSE:
            break;
        case TIGHT:
            // Expected to be a singleton
            Set<BlankNodeOrIRI> onts = new HashSet<BlankNodeOrIRI>();
            synchronized (o) {
                Iterator<Triple> it = o.filter(null, RDF.type, OWL.Ontology);
                while (it.hasNext()) onts.add(it.next().getSubject());
            }
            String s = getID();
            // strip "custom"
            s = s.substring(0, s.indexOf(SUFFIX));
            // concatenate "core"
            s += SpaceType.CORE.getIRISuffix();
            IRI target = new IRI(universalPrefix + s);
            for (BlankNodeOrIRI subject : onts) o.add(new TripleImpl(subject, OWL.imports, target));
            break;
        default:
            break;
    }
    return o;
}

Example 19 with BlankNodeOrIRI

use of org.apache.clerezza.commons.rdf.BlankNodeOrIRI in project stanbol by apache.

the class ScopeImpl method exportToGraph.

/**
     * Get a Clerezza {@link Graph} representation of the scope.
     * 
     * @param merge
     *            if true the core and custom spaces will be recursively merged with the scope graph,
     *            otherwise owl:imports statements will be added.
     * @return the RDF representation of the scope as a modifiable graph.
     */
protected Graph exportToGraph(boolean merge, org.semanticweb.owlapi.model.IRI universalPrefix) {
    // No need to store, give it a name, or anything.
    Graph root = new SimpleGraph();
    IRI iri = new IRI(universalPrefix + getID());
    if (root != null) {
        // Set the ontology ID
        root.add(new TripleImpl(iri, RDF.type, OWL.Ontology));
        if (merge) {
            ImmutableGraph custom, core;
            // Get the subjects of "bad" triples (those with subjects of type owl:Ontology).
            Iterator<Triple> it;
            Set<BlankNodeOrIRI> ontologies = new HashSet<BlankNodeOrIRI>();
            Set<RDFTerm> importTargets = new HashSet<RDFTerm>();
            custom = this.getCustomSpace().export(ImmutableGraph.class, merge);
            // root.addAll(space);
            it = custom.filter(null, RDF.type, OWL.Ontology);
            while (it.hasNext()) ontologies.add(it.next().getSubject());
            it = custom.filter(null, OWL.imports, null);
            while (it.hasNext()) importTargets.add(it.next().getObject());
            core = this.getCoreSpace().export(ImmutableGraph.class, merge);
            // root.addAll(space);
            it = core.filter(null, RDF.type, OWL.Ontology);
            while (it.hasNext()) ontologies.add(it.next().getSubject());
            it = core.filter(null, OWL.imports, null);
            while (it.hasNext()) importTargets.add(it.next().getObject());
            // Make sure the scope itself is not in the "bad" subjects.
            ontologies.remove(iri);
            for (BlankNodeOrIRI nl : ontologies) log.debug("{} -related triples will not be added to {}", nl, iri);
            // Merge the two spaces, skipping the "bad" triples.
            log.debug("Merging custom space of {}.", getID());
            for (Triple t : custom) if (!ontologies.contains(t.getSubject()))
                root.add(t);
            log.debug("Merging core space of {}.", getID());
            for (Triple t : core) if (!ontologies.contains(t.getSubject()))
                root.add(t);
            /*
                 * Reinstate import statements, though. If imported ontologies were not merged earlier, we are
                 * not doing it now anyway.
                 */
            for (RDFTerm target : importTargets) root.add(new TripleImpl(iri, OWL.imports, target));
        } else {
            IRI physIRI = new IRI(universalPrefix.toString() + this.getID() + "/" + SpaceType.CUSTOM.getIRISuffix());
            root.add(new TripleImpl(iri, OWL.imports, physIRI));
            physIRI = new IRI(universalPrefix.toString() + this.getID() + "/" + SpaceType.CORE.getIRISuffix());
            root.add(new TripleImpl(iri, OWL.imports, physIRI));
        }
    }
    return root;
}

Example 20 with BlankNodeOrIRI

use of org.apache.clerezza.commons.rdf.BlankNodeOrIRI in project stanbol by apache.

the class GraphMultiplexer method getHandles.

@Override
public Set<OntologyCollector> getHandles(OWLOntologyID publicKey) {
    Set<OntologyCollector> handles = new HashSet<OntologyCollector>();
    Set<OWLOntologyID> aliases = listAliases(publicKey);
    aliases.add(publicKey);
    for (OWLOntologyID alias : aliases) {
        IRI ontologyId = buildResource(alias);
        for (Iterator<Triple> it = meta.filter(null, MANAGES_URIREF, ontologyId); it.hasNext(); ) {
            BlankNodeOrIRI sub = it.next().getSubject();
            if (sub instanceof IRI)
                checkHandle((IRI) sub, handles);
            else
                throw new InvalidMetaGraphStateException(sub + " is not a valid ontology collector identifer.");
        }
        for (Iterator<Triple> it = meta.filter(ontologyId, IS_MANAGED_BY_URIREF, null); it.hasNext(); ) {
            RDFTerm obj = it.next().getObject();
            if (obj instanceof IRI)
                checkHandle((IRI) obj, handles);
            else
                throw new InvalidMetaGraphStateException(obj + " is not a valid ontology collector identifer.");
        }
    }
    return handles;
// throw new UnsupportedOperationException("Not implemented yet.");
}