/*************************************************************************************

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

Source file: Hadrons/Module.cc

Copyright (C) 2015-2019

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
*************************************************************************************/
/*  END LEGAL */

#include <Hadrons/Module.hpp>

using namespace Grid;
using namespace QCD;
using namespace Hadrons;

/******************************************************************************
 *                       ModuleBase implementation                            *
 ******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
ModuleBase::ModuleBase(const std::string name)
: name_(name)
{}

// access //////////////////////////////////////////////////////////////////////
std::string ModuleBase::getName(void) const
{
    return name_;
}

// get factory registration name if available
std::string ModuleBase::getRegisteredName(void)
{
    HADRONS_ERROR(Definition, "module '" + getName() + "' has no registered type"
                 + " in the factory");
}

// execution ///////////////////////////////////////////////////////////////////
void ModuleBase::operator()(void)
{
    resetTimers();
    startTimer("_total");
    startTimer("_setup");
    setup();
    stopTimer("_setup");
    startTimer("_execute");
    execute();
    stopAllTimers();
}

std::string ModuleBase::makeSeedString(void)
{
    std::string seed;

    if (!vm().getRunId().empty())
    {
        seed += vm().getRunId() + "-";
    }
    seed += getName() + "-" + std::to_string(vm().getTrajectory());

    return seed;
}

GridParallelRNG & ModuleBase::rng4d(void)
{
    auto &r = *env().get4dRng();

    if (makeSeedString() != seed_)
    {
        seed_ = makeSeedString();
        LOG(Message) << "Seeding 4D RNG " << &r << " with string '" 
                     << seed_ << "'" << std::endl;
        r.SeedUniqueString(seed_);
    }

    return r;
}