Examples with OWLOntologyMerger org.semanticweb.owlapi.util.OWLOntologyMerger used on opensource projects

Example 1 with OWLOntologyMerger

use of org.semanticweb.owlapi.util.OWLOntologyMerger in project stanbol by apache.

the class OntologyManagerInputProvider method getFromOntoMgr.

private OWLOntology getFromOntoMgr() throws IOException {
    try {
        Scope scope = null;
        synchronized (onManager) {
            scope = onManager.getScope(this.scopeId);
        }
        if (scope == null) {
            log.error("Scope {} cannot be retrieved", this.scopeId);
            throw new IOException("Scope " + this.scopeId + " cannot be retrieved");
        }
        Session session = null;
        if (sessionManager != null)
            synchronized (sessionManager) {
                session = sessionManager.getSession(sessionId);
            }
        if (session == null)
            log.warn("Session {} cannot be retrieved. Ignoring.", this.sessionId);
        final Set<OWLOntology> set = new HashSet<OWLOntology>();
        set.add(scope.export(OWLOntology.class, true));
        if (session != null)
            set.add(session.export(OWLOntology.class, true));
        if (set.size() == 1)
            return set.iterator().next();
        OWLOntologyMerger merger = new OWLOntologyMerger(new OWLOntologySetProvider() {

            @Override
            public Set<OWLOntology> getOntologies() {
                return set;
            }
        });
        return merger.createMergedOntology(createOWLOntologyManager(), IRI.create("reasoners:input-" + System.currentTimeMillis()));
    } catch (OWLOntologyCreationException e) {
        String message = "The network for scope/session cannot be retrieved";
        log.error(message + ":", e);
        throw new IllegalArgumentException(message);
    }
}

Example 2 with OWLOntologyMerger

use of org.semanticweb.owlapi.util.OWLOntologyMerger in project stanbol by apache.

the class AbstractOntologyCollectorImpl method getOntologyAsOWLOntology.

protected OWLOntology getOntologyAsOWLOntology(OWLOntologyID ontologyId, boolean merge, org.semanticweb.owlapi.model.IRI universalPrefix) {
    // if (merge) throw new UnsupportedOperationException("Merge not implemented yet for OWLOntology.");
    // Remove the check below. It might be an unmanaged dependency (TODO remove from collector and
    // reintroduce check?).
    // if (!hasOntology(ontologyIri)) return null;
    OWLOntology o;
    o = ontologyProvider.getStoredOntology(ontologyId, OWLOntology.class, merge);
    if (merge) {
        final Set<OWLOntology> set = new HashSet<OWLOntology>();
        log.debug("Merging {} with its imports, if any.", o);
        set.add(o);
        // Actually, if the provider already performed the merge, this won't happen
        for (OWLOntology impo : o.getImportsClosure()) {
            log.debug("Imported ontology {} will be merged with {}.", impo, o);
            set.add(impo);
        }
        OWLOntologySetProvider provider = new OWLOntologySetProvider() {

            @Override
            public Set<OWLOntology> getOntologies() {
                return set;
            }
        };
        OWLOntologyMerger merger = new OWLOntologyMerger(provider);
        try {
            o = merger.createMergedOntology(OWLManager.createOWLOntologyManager(), ontologyId.getOntologyIRI());
        } catch (OWLOntologyCreationException e) {
            log.error("Failed to merge imports for ontology " + ontologyId, e);
        // do not reassign the root ontology
        }
    } else {
        // Rewrite import statements
        List<OWLOntologyChange> changes = new ArrayList<OWLOntologyChange>();
        OWLDataFactory df = OWLManager.getOWLDataFactory();
        /*
             * 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.
             */
        for (OWLImportsDeclaration oldImp : o.getImportsDeclarations()) {
            changes.add(new RemoveImport(o, oldImp));
            String s = oldImp.getIRI().toString();
            // FIXME Ugly way to check, but we'll get through with it
            if (s.contains("::"))
                s = s.substring(s.indexOf("::") + 2, s.length());
            boolean managed = managedOntologies.contains(oldImp.getIRI());
            // For space, always go up at least one
            String tid = getID();
            if (backwardPathLength > 0)
                tid = tid.split("/")[0];
            org.semanticweb.owlapi.model.IRI target = org.semanticweb.owlapi.model.IRI.create((managed ? universalPrefix + "/" + tid + "/" : URIUtils.upOne(universalPrefix) + "/") + s);
            changes.add(new AddImport(o, df.getOWLImportsDeclaration(target)));
        }
        o.getOWLOntologyManager().applyChanges(changes);
    }
    return o;
}

Example 3 with OWLOntologyMerger

use of org.semanticweb.owlapi.util.OWLOntologyMerger in project stanbol by apache.

the class AbstractOntologyCollectorImpl method exportToOWLOntology.

/**
     * This method has no conversion calls, to it can be invoked by subclasses that wish to modify it
     * afterwards.
     * 
     * FIXME not merging yet FIXME not including imported ontologies unless they are merged *before* storage.
     * 
     * @param merge
     * @return
     */
protected OWLOntology exportToOWLOntology(boolean merge, org.semanticweb.owlapi.model.IRI prefix) {
    long before = System.currentTimeMillis();
    // Create a new ontology
    OWLOntology root;
    OWLOntologyManager ontologyManager = OWLManager.createOWLOntologyManager();
    org.semanticweb.owlapi.model.IRI iri = org.semanticweb.owlapi.model.IRI.create(prefix + _id);
    try {
        root = ontologyManager.createOntology(iri);
    } catch (OWLOntologyAlreadyExistsException e) {
        // It should be impossible, but just in case.
        ontologyManager.removeOntology(ontologyManager.getOntology(iri));
        try {
            root = ontologyManager.createOntology(iri);
        } catch (OWLOntologyAlreadyExistsException e1) {
            root = ontologyManager.getOntology(iri);
        } catch (OWLOntologyCreationException e1) {
            log.error("Failed to assemble root ontology for scope " + iri, e);
            root = null;
        }
    } catch (OWLOntologyCreationException e) {
        log.error("Failed to assemble root ontology for scope " + _id, e);
        root = null;
    }
    // Add the import declarations for directly managed ontologies.
    if (root != null) {
        if (merge) {
            final Set<OWLOntology> set = new HashSet<OWLOntology>();
            log.debug("Merging {} with its imports.", root);
            set.add(root);
            for (OWLOntologyID ontologyId : managedOntologies) {
                log.debug("Merging {} with {}.", ontologyId, root);
                set.add(getOntology(ontologyId, OWLOntology.class, true));
            }
            OWLOntologySetProvider provider = new OWLOntologySetProvider() {

                @Override
                public Set<OWLOntology> getOntologies() {
                    return set;
                }
            };
            OWLOntologyMerger merger = new OWLOntologyMerger(provider);
            try {
                root = merger.createMergedOntology(OWLManager.createOWLOntologyManager(), iri);
            } catch (OWLOntologyCreationException e) {
                log.error("Failed to merge imports for ontology " + iri, e);
                root = null;
            }
        } else {
            // Add the import declarations for directly managed ontologies.
            List<OWLOntologyChange> changes = new LinkedList<OWLOntologyChange>();
            OWLDataFactory df = ontologyManager.getOWLDataFactory();
            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) {
                // XXX some day the versionIRI will be the only physical reference for the ontology
                org.semanticweb.owlapi.model.IRI physIRI = org.semanticweb.owlapi.model.IRI.create(base + OntologyUtils.encode(ontologyId));
                changes.add(new AddImport(root, df.getOWLImportsDeclaration(physIRI)));
            }
            ontologyManager.applyChanges(changes);
        }
    }
    log.debug("OWL export of {} completed in {} ms.", getID(), System.currentTimeMillis() - before);
    return root;
}

Example 4 with OWLOntologyMerger

use of org.semanticweb.owlapi.util.OWLOntologyMerger in project stanbol by apache.

the class ScopeImpl method exportToOWLOntology.

/**
     * Get an OWL API {@link OWLOntology} representation of the scope.
     * 
     * @param merge
     *            if true the core and custom spaces will be recursively merged with the scope ontology,
     *            otherwise owl:imports statements will be added.
     * @return the OWL representation of the scope.
     */
protected OWLOntology exportToOWLOntology(boolean merge, org.semanticweb.owlapi.model.IRI universalPrefix) {
    // if (merge) throw new UnsupportedOperationException(
    // "Ontology merging only implemented for managed ontologies, not for collectors. "
    // + "Please set merge parameter to false.");
    // Create an ontology manager on the fly. We don't really need a permanent one.
    OWLOntologyManager mgr = OWLManager.createOWLOntologyManager();
    OWLDataFactory df = mgr.getOWLDataFactory();
    OWLOntology ont = null;
    try {
        if (merge) {
            final Set<OWLOntology> set = new HashSet<OWLOntology>();
            log.debug("Merging custom space of {}.", getID());
            set.add(this.getCustomSpace().export(OWLOntology.class, merge));
            log.debug("Merging core space of {}.", getID());
            set.add(this.getCoreSpace().export(OWLOntology.class, merge));
            OWLOntologySetProvider provider = new OWLOntologySetProvider() {

                @Override
                public Set<OWLOntology> getOntologies() {
                    return set;
                }
            };
            OWLOntologyMerger merger = new OWLOntologyMerger(provider);
            try {
                ont = merger.createMergedOntology(OWLManager.createOWLOntologyManager(), org.semanticweb.owlapi.model.IRI.create(getDefaultNamespace() + getID()));
            } catch (OWLOntologyCreationException e) {
                log.error("Failed to merge imports for ontology.", e);
                ont = null;
            }
        } else {
            // The root ontology ID is in the form [namespace][scopeId]
            ont = mgr.createOntology(org.semanticweb.owlapi.model.IRI.create(universalPrefix + getID()));
            List<OWLOntologyChange> additions = new LinkedList<OWLOntologyChange>();
            // Add the import statement for the custom space, if existing and not empty
            OntologySpace spc = getCustomSpace();
            if (spc != null && spc.listManagedOntologies().size() > 0) {
                org.semanticweb.owlapi.model.IRI spaceIri = org.semanticweb.owlapi.model.IRI.create(universalPrefix + spc.getID());
                additions.add(new AddImport(ont, df.getOWLImportsDeclaration(spaceIri)));
            }
            // Add the import statement for the core space, if existing and not empty
            spc = getCoreSpace();
            if (spc != null && spc.listManagedOntologies().size() > 0) {
                org.semanticweb.owlapi.model.IRI spaceIri = org.semanticweb.owlapi.model.IRI.create(universalPrefix + spc.getID());
                additions.add(new AddImport(ont, df.getOWLImportsDeclaration(spaceIri)));
            }
            mgr.applyChanges(additions);
        }
    } catch (OWLOntologyCreationException e) {
        log.error("Failed to generate an OWL form of scope " + getID(), e);
        ont = null;
    }
    return ont;
}

Example 5 with OWLOntologyMerger

use of org.semanticweb.owlapi.util.OWLOntologyMerger in project stanbol by apache.

the class JenaToOwlConvert method ModelJenaToOwlConvert.

/**
     * This function converts an ontology object from Jena to OWLapi
     * 
     * @param jenamodel
     *            {An OntModel object}
     * @param format
     *            {only in "RDF/XML"}
     * @return {An OWLOntology that is an owl object}
     */
public synchronized OWLOntology ModelJenaToOwlConvert(IRI ontologyIRI, Model jenamodel, String format) {
    while (availablemain == false) {
        try {
            wait();
        } catch (InterruptedException e) {
            System.err.println("ModelJenaToOwlConvert::: " + e);
        }
    }
    availablemain = false;
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        if (!format.equals("RDF/XML")) {
            System.err.println("The only format supported is RDF/XML. Please check the format!");
            availablemain = true;
            notifyAll();
            return null;
        } else {
            jenamodel.write(out, format);
            OWLOntologyManager owlmanager = OWLManager.createOWLOntologyManager();
            owlmanager.loadOntologyFromOntologyDocument(new ByteArrayInputStream(out.toByteArray()));
            OWLOntologyMerger merger = new OWLOntologyMerger(owlmanager);
            OWLOntology ontology = merger.createMergedOntology(owlmanager, ontologyIRI);
            availablemain = true;
            notifyAll();
            return ontology;
        }
    } catch (OWLOntologyCreationException eoc) {
        System.err.print("ModelJenaToOwlConvert::: ");
        eoc.printStackTrace();
        return null;
    }
}