source_term_fctry.f90

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submodule(source_term) source_term_fctry
  use const_source_term, only : const_source_term_t
  use boussinesq_source_term, only : boussinesq_source_term_t
  use brinkman_source_term, only: brinkman_source_term_t
  use coriolis_source_term, only : coriolis_source_term_t
  use centrifugal_source_term, only : centrifugal_source_term_t
  use gradient_jump_penalty, only : gradient_jump_penalty_t
  use json_utils, only : json_get
  use utils, only : neko_type_error, neko_type_registration_error
  implicit none
 
  ! List of all possible types created by the factory routine
  character(len=20) :: SOURCE_KNOWN_TYPES(6) = [character(len=20) :: &
       "constant", &
       "boussinesq", &
       "coriolis", &
       "centrifugal", &
       "gradient_jump_penalty", &
       "brinkman"]
 
contains
 
  module subroutine source_term_factory(object, json, fields, coef, &
       variable_name)
    class(source_term_t), allocatable, intent(inout) :: object
    type(json_file), intent(inout) :: json
    type(field_list_t), intent(inout) :: fields
    type(coef_t), intent(inout) :: coef
    character(len=*), intent(in) :: variable_name
    character(len=:), allocatable :: type_name
    character(len=:), allocatable :: type_string
 
    call json_get(json, "type", type_name)
 
    ! Allocate
    call source_term_allocator(object, type_name)
 
    ! Initialize
    call object%init(json, fields, coef, variable_name)
 
  end subroutine source_term_factory
 
  module subroutine source_term_allocator(object, type_name)
    class(source_term_t), allocatable, intent(inout) :: object
    character(len=:), allocatable, intent(in) :: type_name
    integer :: i
 
    select case (trim(type_name))
    case ("constant")
       allocate(const_source_term_t::object)
    case ("boussinesq")
       allocate(boussinesq_source_term_t::object)
    case ("coriolis")
       allocate(coriolis_source_term_t::object)
    case ("centrifugal")
       allocate(centrifugal_source_term_t::object)
    case ("brinkman")
       allocate(brinkman_source_term_t::object)
    case ("gradient_jump_penalty")
       allocate(gradient_jump_penalty_t::object)
    case default
       do i = 1, source_term_registry_size
          if (trim(type_name) .eq. trim(source_term_registry(i)%type_name)) then
             call source_term_registry(i)%allocator(object)
             return
          end if
       end do
 
       call neko_type_error("source term", type_name, source_known_types)
    end select
  end subroutine source_term_allocator
 
  module subroutine register_source_term(type_name, allocator)
    character(len=*), intent(in) :: type_name
    procedure(source_term_allocate), pointer, intent(in) :: allocator
    type(allocator_entry), allocatable :: temp(:)
    integer :: i
 
    do i = 1, size(source_known_types)
       if (trim(type_name) .eq. trim(source_known_types(i))) then
          call neko_type_registration_error("source term", type_name, .true.)
       end if
    end do
 
    do i = 1, source_term_registry_size
       if (trim(type_name) .eq. trim(source_term_registry(i)%type_name)) then
          call neko_type_registration_error("source term", type_name, .false.)
       end if
    end do
 
    ! Expand registry
    if (source_term_registry_size .eq. 0) then
       allocate(source_term_registry(1))
    else
       allocate(temp(source_term_registry_size + 1))
       temp(1:source_term_registry_size) = source_term_registry
       call move_alloc(temp, source_term_registry)
    end if
 
    source_term_registry_size = source_term_registry_size + 1
    source_term_registry(source_term_registry_size)%type_name = type_name
    source_term_registry(source_term_registry_size)%allocator => allocator
  end subroutine register_source_term
 
end submodule source_term_fctry