/*******************************************************************************
Grid physics library, www.github.com/paboyle/Grid 

Source file: programs/Hadrons/Meson.hpp

Copyright (C) 2015

Author: Antonin Portelli <antonin.portelli@me.com>

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 2 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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

See the full license in the file "LICENSE" in the top level distribution 
directory.
*******************************************************************************/

#ifndef Hadrons_Meson_hpp_
#define Hadrons_Meson_hpp_

#include <Grid/Hadrons/Global.hpp>
#include <Grid/Hadrons/Module.hpp>
#include <Grid/Hadrons/ModuleFactory.hpp>

BEGIN_HADRONS_NAMESPACE

/******************************************************************************
 *                                Meson                                       *
 ******************************************************************************/
namespace MContraction
{
    class MesonPar: Serializable
    {
    public:
        GRID_SERIALIZABLE_CLASS_MEMBERS(MesonPar,
                                        std::string, q1,
                                        std::string, q2,
                                        std::string, output);
    };
    
    class Meson: public Module<MesonPar>
    {
    public:
        class Result: Serializable
        {
        public:
            GRID_SERIALIZABLE_CLASS_MEMBERS(Result,
                                            std::vector<std::vector<std::vector<Complex>>>, corr);
        };
    public:
        // constructor
        Meson(const std::string name);
        // destructor
        virtual ~Meson(void) = default;
        // dependencies/products
        virtual std::vector<std::string> getInput(void);
        virtual std::vector<std::string> getOutput(void);
        // execution
        virtual void execute(void);
    };
}

MODULE_REGISTER_NS(Meson, MContraction);

END_HADRONS_NAMESPACE

#endif // Hadrons_Meson_hpp_