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/*******************************************************************************
 * Copyright 2015 Defense Health Agency (DHA)
 *
 * If your use of this software does not include any GPLv2 components:
 * 	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.
 * 	See the License for the specific language governing permissions and
 * 	limitations under the License.
 * ----------------------------------------------------------------------------
 * If your use of this software includes any GPLv2 components:
 * 	This program is free software; you can redistribute it and/or
 * 	modify it under the terms of the GNU General Public License
 * 	as published by the Free Software Foundation; either version 2
 * 	of the License, or (at your option) any later version.
 *
 * 	This program is distributed in the hope that it will be useful,
 * 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 * 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * 	GNU General Public License for more details.
 *******************************************************************************/
package prerna.rdf.main;

import java.io.File;

import org.openrdf.model.Statement;
import org.openrdf.model.vocabulary.RDF;
import org.openrdf.model.vocabulary.RDFS;
import org.openrdf.query.BindingSet;
import org.openrdf.query.GraphQuery;
import org.openrdf.query.GraphQueryResult;
import org.openrdf.query.QueryLanguage;
import org.openrdf.query.TupleQuery;
import org.openrdf.query.TupleQueryResult;
import org.openrdf.repository.Repository;
import org.openrdf.repository.RepositoryConnection;
import org.openrdf.repository.sail.SailRepository;
import org.openrdf.rio.RDFFormat;
import org.openrdf.sail.inferencer.fc.ForwardChainingRDFSInferencer;
import org.openrdf.sail.memory.MemoryStore;

import prerna.util.Constants;
import prerna.util.DIHelper;



/**
 */
public class RDFSesameFileReader {

	/**
	 * Method main.
	 * @param args String[]
	 */
//	public static void main(String [] args) throws Exception
//	{
//		String workingDir = DIHelper.getInstance().getProperty(Constants.BASE_FOLDER);
//		String fileName = workingDir + "/db/foaf.xml";
//	
//		Repository myRepository = new SailRepository(
//                new ForwardChainingRDFSInferencer(
//                new MemoryStore()));
//		myRepository.initialize();
//		
//		File file = new File(fileName);
//		String baseURI = "http://example.org/example/local";
//		RepositoryConnection con = myRepository.getConnection();
//		
//	    con.add(file, null, RDFFormat.RDFXML);
//	
//		String query = "CONSTRUCT {?subject ?predicate ?object} WHERE {" +
//		//"{?subject <" +  RDFS. + ">  ;}" +
//		//"BIND(  AS ?subject )." +
//		"{?subject ?predicate ?object.}" +
//		//"BIND ( AS ?subject)." +
//		"}";
//
//		GraphQuery sagq = con.prepareGraphQuery(QueryLanguage.SPARQL,
//				query);
//		GraphQueryResult res = sagq.evaluate();
//		while(res.hasNext())
//		{
//			Statement stmt = res.next();
//			System.out.println(">>> " + stmt.getSubject()+ " <> " + stmt.getPredicate() + "<>" + stmt.getObject());
//		}	
//		
//		/*
//		 * SELECT DISTINCT ?predicate  WHERE {{?subject ?predicate ?object.}
//{?subject  .}
//}
//		 */
//		
//		String query2 = "SELECT  DISTINCT ?predicate WHERE {" +
//		//"{?subject <" +  RDFS. + ">  ;}" +
//		//"BIND(  AS ?subject )." +
//		"?subject ?predicate ?object." +
//		
//		"BIND ( AS ?subject)." +
//		"}";
//		
//		String query3 = "SELECT  ?subject ?predicate ?object WHERE {?subject ?predicate ?object. " +
//				"BIND ( AS ?subject). " +
//				"BIND ( AS ?predicate).}";
//		
//		String query4 = "SELECT  ?subject ?predicate ?object WHERE " +
//				"{?subject ?predicate ?object. " +
//				"BIND (<_:node17gjauj84x5> AS ?subject). " +
//				"BIND ( AS ?predicate).}";
//		
//		String query5 = "SELECT ?relation ?domain ?range WHERE {" +
//				"{?relation <" + RDF.TYPE + "> ;}" +
//						"{?relation <" + RDFS.DOMAIN + "> ?domain;}" +
//						"{?relation <" + RDFS.RANGE + "> ?range;}" +
//						"}";
//				
//		
//		TupleQuery tq = con.prepareTupleQuery(QueryLanguage.SPARQL, query5);
//		System.out.println("\nSPARQL: " + query3);
//		tq.setIncludeInferred(true /* includeInferred */);
//		TupleQueryResult sparqlResults = tq.evaluate();
//
//		while(sparqlResults.hasNext())
//		{
//			BindingSet bs = sparqlResults.next();
//			System.out.println(" DOMAIN >>> " + bs.getBinding("domain") + "  " + bs.getBinding("relation") + "  Range >>> " + bs.getBinding("range")); // + "<<>>" + bs.getBinding("predicate")+"<<>>" + bs.getBinding("object"));
//		}
//
//	}
}