RandomData.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#pragma once

// MOOSE includes
#include "MooseRandom.h"
#include "MooseTypes.h"
#include "MooseEnumItem.h"

#include <unordered_map>

class FEProblemBase;
class MooseMesh;
class RandomInterface;

class RandomData
{
public:
  RandomData(FEProblemBase & fe_problem, const RandomInterface & random_interface);

  RandomData(FEProblemBase & fe_problem, bool is_nodal, ExecFlagType reset_on, unsigned int seed);

  ~RandomData() = default;

  void updateSeeds(ExecFlagType exec_flag);

  MooseRandom & getGenerator() { return _generator; }

  unsigned int getSeed(dof_id_type id);

private:
  void updateGenerators();

  FEProblemBase & _rd_problem;
  MooseMesh & _rd_mesh;

  MooseRandom _generator;
  bool _is_nodal;
  ExecFlagType _reset_on;

  unsigned int _master_seed;
  unsigned int _current_master_seed;
  unsigned int _new_seed;

  std::unordered_map<dof_id_type, unsigned int> _seeds;
};