[55c1a6]: src / net / timbusproject / dpes / alternative / AlternativesBuilder / ChangesOntologyBuilder.java History

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/**

 * Copyright (c) 2013/2014 Verein zur Foerderung der IT-Sicherheit in Oesterreich (SBA).

 * The work has been developed in the TIMBUS Project and the above-mentioned are Members of the TIMBUS Consortium.

 * TIMBUS is supported by the European Union under the 7th Framework Programme for research and technological

 * development and demonstration activities (FP7/2007-2013) under grant agreement no. 269940.

 *

 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with

 * the License. You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on

 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including without

 * limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTIBITLY, or FITNESS FOR A PARTICULAR

 * PURPOSE. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise,

 * unless required by applicable law or agreed to in writing, shall any Contributor be liable for damages, including

 * any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this

 * License or out of the use or inability to use the Work.

 * See the License for the specific language governing permissions and limitation under the License.

 */



package net.timbusproject.dpes.alternative.AlternativesBuilder;



import org.semanticweb.owlapi.apibinding.OWLManager;

import org.semanticweb.owlapi.model.*;

import uk.ac.manchester.cs.owl.owlapi.OWLOntologyImpl;



import java.util.Collections;

import java.util.Set;



/**

 * Builder for the ontology that states the changes between the original and the modified model.

 */

public class ChangesOntologyBuilder {



    private static final String IRIPREFIX_CHANGES = "http://timbus.teco.edu/ontologies/preservationChanges/";



    private static final IRI IRI_PREMIS = IRI.create("http://multimedialab.elis.ugent.be/users/samcoppe/ontologies/Premis/premis.owl");



    private static final OWLClass PREMIS_EVENT_CLASS = OWLManager.getOWLDataFactory().getOWLClass(

            IRI.create(IRI_PREMIS.toString() + "#", "Event"));



    private static final OWLObjectProperty PREMIS_LINKING_SOURCE_OBJECTPROPERTY = OWLManager.getOWLDataFactory().getOWLObjectProperty(

            IRI.create(IRI_PREMIS.toString() + "#", "linkingSourceObject"));



    private static final OWLObjectProperty PREMIS_LINKING_OUTCOME_OBJECTPROPERTY = OWLManager.getOWLDataFactory().getOWLObjectProperty(

            IRI.create(IRI_PREMIS.toString() + "#", "linkingOutcomeObject"));



    private static final Set<OWLAnnotation> EMPTY_OWL_ANNOTATIONS = Collections.emptySet();

    private final OWLOntology originalModel;

    private final OWLNamedIndividual individualInOriginalModel;

    private final String replacementName;



    public ChangesOntologyBuilder(OWLOntology originalModel, OWLNamedIndividual individualInOriginalModel, String replacementName) {

        this.originalModel = originalModel;

        this.individualInOriginalModel = individualInOriginalModel;

        this.replacementName = replacementName;

    }



    public OWLOntology createChangesOntology(String iriSuffix, OWLOntology modifiedModel, OWLNamedIndividual individualInModifiedModel) {

        IRI iri = IRI.create(IRIPREFIX_CHANGES, iriSuffix);

        // Finally, create the ontology that contains the PREMIS events

        OWLOntology eventsOntology = new OWLOntologyImpl(modifiedModel.getOWLOntologyManager(),

                new OWLOntologyID(iri));

        OWLOntologyManager eventsOntologyManager = eventsOntology.getOWLOntologyManager();

        OWLDataFactory eventsDataFactory = eventsOntologyManager.getOWLDataFactory();



        // import PREMIS OWL

        eventsOntologyManager.applyChange(new AddImport(eventsOntology,

                eventsDataFactory.getOWLImportsDeclaration(IRI_PREMIS)));

        eventsOntologyManager.applyChange(new AddImport(

                eventsOntology,

                eventsDataFactory.getOWLImportsDeclaration(originalModel.getOntologyID().getOntologyIRI())));

        eventsOntologyManager.applyChange(new AddImport(

                eventsOntology,

                eventsDataFactory.getOWLImportsDeclaration(modifiedModel.getOntologyID().getOntologyIRI())));



        // Make a new event individual

        OWLNamedIndividual eventIndividual = eventsDataFactory.getOWLNamedIndividual(IRI.create(

                iri.getNamespace(), replacementName));

        OWLClassAssertionAxiom eventClassAxiom = eventsDataFactory.getOWLClassAssertionAxiom(

                PREMIS_EVENT_CLASS, eventIndividual);

        eventsOntologyManager.applyChange(new AddAxiom(eventsOntology, eventClassAxiom));



        // Link the event individual to the entities

        OWLObjectPropertyAssertionAxiom linkingSourceObjectPropertyAxiom = eventsDataFactory.getOWLObjectPropertyAssertionAxiom(

                PREMIS_LINKING_SOURCE_OBJECTPROPERTY, eventIndividual, individualInOriginalModel,

                EMPTY_OWL_ANNOTATIONS);

        eventsOntologyManager.applyChange(new AddAxiom(eventsOntology, linkingSourceObjectPropertyAxiom));

        OWLObjectPropertyAssertionAxiom linkingOutcomeObjectPropertyAxiom = eventsDataFactory.getOWLObjectPropertyAssertionAxiom(

                PREMIS_LINKING_OUTCOME_OBJECTPROPERTY, eventIndividual, individualInModifiedModel,

                EMPTY_OWL_ANNOTATIONS);

        eventsOntologyManager.applyChange(new AddAxiom(eventsOntology,

                linkingOutcomeObjectPropertyAxiom));

        return eventsOntology;

    }

}