/*
 * @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/wrapper/ColumnNameToIdx.hpp"

namespace cta::rdbms::wrapper {

//------------------------------------------------------------------------------
// add
//------------------------------------------------------------------------------
void ColumnNameToIdx::add(const std::string &name, const int idx) {
  if(m_nameToIdx.end() != m_nameToIdx.find(name)) {
    throw exception::Exception(std::string(__FUNCTION__) + " failed: " + name + " is a duplicate");
  }
  m_nameToIdx[name] = idx;
}

//------------------------------------------------------------------------------
// getIdx
//------------------------------------------------------------------------------
int ColumnNameToIdx::getIdx(const std::string &name) const {
  auto it = m_nameToIdx.find(name);
  if(m_nameToIdx.end() == it) {
    throw exception::Exception(std::string(__FUNCTION__) + " failed: Unknown column name " + name);
  }
  return it->second;
}

//------------------------------------------------------------------------------
// empty
//------------------------------------------------------------------------------
bool ColumnNameToIdx::empty() const {
  return m_nameToIdx.empty();
}

} // namespace cta::rdbms::wrapper