PiecewiseConstantFromCSV.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

#include "Function.h"
#include "PropertyReadFile.h"

class PiecewiseConstantFromCSV : public Function
{
public:
  static InputParameters validParams();

  PiecewiseConstantFromCSV(const InputParameters & parameters);

  virtual Real value(Real t, const Point & pt) const override;
  using Function::value;

  virtual Real timeDerivative(Real, const Point &) const override { return 0; };

protected:
  void initialSetup() override;

  const PropertyReadFile * _read_prop_user_object;

  const unsigned int _column_number;

  const PropertyReadFile::ReadTypeEnum _read_type;

  std::unique_ptr<libMesh::PointLocatorBase> _point_locator;
};