/**
 * Palantir - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
 * Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "FunctionContext.h"

namespace Palantir
{
  namespace SQLite
  {
    class IScalarFunction : public boost::noncopyable
    {
    public:
      virtual ~IScalarFunction()
      {
      }

      virtual const char* GetName() const = 0;

      virtual unsigned int GetCardinality() const = 0;

      virtual void Compute(FunctionContext& context) = 0;
    };
  }
}