/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.example.pizza;


// Imports
///////////////

import org.apache.jena.example.Base;
import org.apache.jena.ontology.OntModel;
import org.apache.jena.ontology.OntModelSpec;
import org.apache.jena.query.Query;
import org.apache.jena.query.QueryExecution;
import org.apache.jena.query.QueryExecutionFactory;
import org.apache.jena.query.QueryFactory;
import org.apache.jena.query.ResultSet;
import org.apache.jena.query.ResultSetFormatter;
import org.apache.jena.rdf.model.Model;
import org.apache.jena.rdf.model.ModelFactory;
import org.apache.jena.riot.RDFDataMgr;
import org.apache.jena.vocabulary.OWL;
import org.apache.jena.vocabulary.RDFS;

/**
 * <p>TODO class comment</p>
 */
public class PizzaSparqlNoInf extends Base
{
    /***********************************/
    /* Constants                       */
    /***********************************/

    // Directory where we've stored the local data files, such as pizza.rdf.owl
    public static final String SOURCE = "./src/main/resources/data/";

    // Pizza ontology namespace
    public static final String PIZZA_NS = "http://www.co-ode.org/ontologies/pizza/pizza.owl#";

    /***********************************/
    /* Static variables                */
    /***********************************/

    /***********************************/
    /* Instance variables              */
    /***********************************/

    /***********************************/
    /* Constructors                    */
    /***********************************/

    /***********************************/
    /* External signature methods      */
    /***********************************/

    /**
     * @param args
     */
    public static void main( String[] args ) {
        new PizzaSparqlNoInf().setArgs( args ).run();
    }

    @Override
    public void run() {
        OntModel m = getModel();
        loadData( m );
        String prefix = "prefix pizza: <" + PIZZA_NS + ">\n" +
                        "prefix rdfs: <" + RDFS.getURI() + ">\n" +
                        "prefix owl: <" + OWL.getURI() + ">\n";


        showQuery( m,
                   prefix +
                   "select ?pizza where {?pizza a owl:Class ; " +
                   "                            rdfs:subClassOf ?restriction.\n" +
                   "                     ?restriction owl:onProperty pizza:hasTopping ;" +
                   "                            owl:someValuesFrom pizza:PeperoniSausageTopping" +
                   "}" );
    }

    protected OntModel getModel() {
        return ModelFactory.createOntologyModel( OntModelSpec.OWL_MEM );
    }

    protected void loadData( Model m ) {
        RDFDataMgr.read(m, SOURCE + "pizza.owl.rdf" );
    }

    protected void showQuery( Model m, String q ) {
        Query query = QueryFactory.create( q );
        try ( QueryExecution qexec = QueryExecutionFactory.create( query, m ) ) {
            ResultSet results = qexec.execSelect();
            ResultSetFormatter.out( results, m );
        }

    }

    /***********************************/
    /* Internal implementation methods */
    /***********************************/

    /***********************************/
    /* Inner class definitions         */
    /***********************************/

}

