code: package it.unibz.inf.ontop.owlapi.connection.impl;
  
  /*
   * #%L
   * ontop-quest-owlapi
   * %%
   * Copyright (C) 2009 - 2014 Free University of Bozen-Bolzano
   * %%
   * 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.
   * #L%
   */
  
  import it.unibz.inf.ontop.query.KGQueryFactory;
  import it.unibz.inf.ontop.exception.OntopConnectionException;
  import it.unibz.inf.ontop.answering.connection.OntopConnection;
  import it.unibz.inf.ontop.owlapi.connection.OntopOWLConnection;
  import it.unibz.inf.ontop.owlapi.connection.OntopOWLStatement;
  import org.semanticweb.owlapi.model.OWLException;
  
  
  public class DefaultOntopOWLConnection implements OntopOWLConnection {
  
  	private final OntopConnection conn;
  	private final KGQueryFactory kgQueryFactory;
  
  	public DefaultOntopOWLConnection(OntopConnection conn, KGQueryFactory kgQueryFactory) {
  		this.conn = conn;
  		this.kgQueryFactory = kgQueryFactory;
  	}
  
  	@Override
  	public OntopOWLStatement createStatement() throws OWLException {
  		try {
  			return new DefaultOntopOWLStatement(conn.createStatement(), kgQueryFactory);
  		} catch (OntopConnectionException e) {
  			throw new OWLException(e);
  		}
  	}
  	
  	/***
  	 * Releases the connection object
  	 * 
  	 * @throws OWLException
  	 */
  	@Override
  	public void close() throws OWLException {
  		try {
  			conn.close();
  		} catch (OntopConnectionException e) {
  			throw new OWLException(e); 
  		}
  	}
  
  	@Override
  	public boolean isClosed() throws OWLException {
  		try {
  			return conn.isClosed();
  		} catch (OntopConnectionException e) {
  			throw new OWLException(e);
  		}
  	}
  
  	@Override
  	public void commit() throws OWLException {
  		try {
  			conn.close();
  		} catch (OntopConnectionException e) {
  			throw new OWLException(e);
  		}
  	}
  
  	@Override
  	public void setAutoCommit(boolean autocommit) throws OWLException {
  		try {
  			conn.setAutoCommit(autocommit);
  		} catch (OntopConnectionException e) {
  			throw new OWLException(e);
  		}
  	}
  
  	@Override
  	public boolean getAutoCommit() throws OWLException {
  		try {
  			return conn.getAutoCommit();
  		} catch (OntopConnectionException e) {
  			throw new OWLException(e);
  		}
  	}
  
  
  	@Override
  	public void rollBack() throws OWLException {
  		try {
  			conn.rollBack();
  		} catch (OntopConnectionException e) {
  			throw new OWLException(e);
  		}
  	}
  
  
  }
  