/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2023 Osimis S.A., Belgium
 * Copyright (C) 2024-2026 Orthanc Team SRL, Belgium
 * Copyright (C) 2021-2026 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation, either version 3 of
 * the License, 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "../Compatibility.h"
#include "IExecutorService.h"
#include "Mutex.h"


namespace Orthanc
{
  class ORTHANC_PUBLIC SequentialExecutorService : public IExecutorService
  {
  private:
    class Future;

    Mutex  mutex_;
    bool   working_;

  public:
    SequentialExecutorService();

    bool IsWorking();

    virtual IFuture* Submit(ICallable* callable /* takes ownership */) ORTHANC_OVERRIDE;

    virtual void Submit(IRunnable* runnable /* takes ownership */) ORTHANC_OVERRIDE;

    virtual void Stop() ORTHANC_OVERRIDE;
  };
}