/*
 * @project      The CERN Tape Archive (CTA)
 * @copyright    Copyright © 2021-2023 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.
 */
 
#pragma once

#include <memory>

namespace cta::frontend::grpc::request {

class IHandler {

public:
  virtual ~IHandler() = default;
  /*
   * Provides way for an optional initialisation
   * and avoids throwing exceptions in the constructor
   */
  virtual void init() = 0; // can throw
  virtual bool next(const bool bOk) = 0; // can throw
};

using Tag = IHandler*;

} // namespace cta::frontend::grpc::request