/*
 * @project      The CERN Tape Archive (CTA)
 * @copyright    Copyright © 2021-2022 CERN
 * @license      This program is free software, distributed under the terms of the GNU General Public
 *               Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING". You can
 *               redistribute it and/or modify it under the terms of the GPL Version 3, 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.
 *
 *               In applying this licence, CERN does not waive the privileges and immunities
 *               granted to it by virtue of its status as an Intergovernmental Organization or
 *               submit itself to any jurisdiction.
 */

#include "common/exception/Exception.hpp"
#include "rdbms/AutoRollback.hpp"
#include "rdbms/Conn.hpp"

namespace cta::rdbms {

//------------------------------------------------------------------------------
// constructor
//------------------------------------------------------------------------------
AutoRollback::AutoRollback(Conn &conn):
  m_cancelled(false),
  m_conn(conn) {
}

//------------------------------------------------------------------------------
// destructor
//------------------------------------------------------------------------------
AutoRollback::~AutoRollback() {
  try {
    if(!m_cancelled) {
      m_conn.rollback();
    }
  } catch(...) {
    // Prevent destructor from throwing
  }
}

//------------------------------------------------------------------------------
// cancel
//------------------------------------------------------------------------------
void AutoRollback::cancel() {
  m_cancelled = true;
}

} // namespace cta::rdbms