AddAuxKernelAction.C

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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

#include "AddAuxKernelAction.h"
#include "FEProblem.h"

registerMooseAction("MooseApp", AddAuxKernelAction, "add_aux_kernel");

InputParameters
AddAuxKernelAction::validParams()
{
  InputParameters params = MooseObjectAction::validParams();

  // This is to help with input file validation.  When AuxKernels are created with
  // this action, they are nested underneath an AuxVariable in the input file - so
  // we implicitly already know the variable name from this nesting and users
  // don't need to specify it for us with the parameter.  So we say here that
  // the variable param is provided by the action.
  params.set<std::vector<std::string>>("_object_params_set_by_action") = {"variable"};

  return params;
}

AddAuxKernelAction::AddAuxKernelAction(const InputParameters & params) : MooseObjectAction(params)
{
}

void
AddAuxKernelAction::act()
{
  std::vector<std::string> elements;
  MooseUtils::tokenize<std::string>(_pars.blockFullpath(), elements);

  // The variable name will be the second to last element in the path name
  std::string & var_name = elements[elements.size() - 2];
  _moose_object_pars.set<AuxVariableName>("variable") = var_name;
  _problem->addAuxKernel(_type, var_name, _moose_object_pars);
}