code: package it.unibz.inf.ontop.answering.connection;
  
  /*
   * #%L
   * ontop-obdalib-core
   * %%
   * 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.exception.OntopConnectionException;
  
  public interface OBDAConnection extends AutoCloseable {
  
  	@Override
      void close() throws OntopConnectionException;
  
  	OBDAStatement createStatement() throws OntopConnectionException;
  
  	boolean isClosed() throws OntopConnectionException;
  
  	//---------------------------
  	// Transaction (read-only)
  	//---------------------------
  
  	/**
  	 * Set it to false if you want a transaction
  	 */
  	void setAutoCommit(boolean autocommit) throws OntopConnectionException;
  
  	boolean getAutoCommit() throws OntopConnectionException;
  
  	void rollBack() throws OntopConnectionException;
  	void commit() throws OntopConnectionException;
  }
  