simulation_component_fctry.f90

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submodule(simulation_component) simulation_component_fctry
  use vorticity, only : vorticity_t
  use force_torque, only : force_torque_t
  use fluid_stats_simcomp, only : fluid_stats_simcomp_t
  use lambda2, only : lambda2_t
  use probes, only : probes_t
  use les_simcomp, only : les_simcomp_t
  use utils, only : concat_string_array, neko_error
  use field_writer, only : field_writer_t
  use weak_grad, only : weak_grad_t
  use derivative, only : derivative_t
  use spectral_error, only: spectral_error_t
  use utils, only : neko_type_error
 
  ! List of all possible types created by the factory routine
  character(len=20) :: SIMCOMPS_KNOWN_TYPES(9) = [character(len=20) :: &
       "vorticity", &
       "lambda2", &
       "probes", &
       "les_model", &
       "field_writer", &
       "fluid_stats", &
       "weak_grad", &
       "force_torque", &
       "spectral_error"]
 
contains
 
  module subroutine simulation_component_factory(object, json, case)
    class(simulation_component_t), allocatable, intent(inout) :: object
    type(json_file), intent(inout) :: json
    class(case_t), intent(inout), target :: case
    character(len=:), allocatable :: type_name
    character(len=:), allocatable :: type_string
    logical :: is_user
 
    ! Check if this is a user-defined component
    call json_get_or_default(json, "is_user", is_user, .false.)
    if (is_user) return
 
    ! Get the type name
    call json_get(json, "type", type_name)
 
    ! Allocate
    call simulation_component_allocator(object, type_name)
 
    ! Initialize
    call object%init(json, case)
 
  end subroutine simulation_component_factory
 
  module subroutine simulation_component_allocator(object, type_name)
    class(simulation_component_t), allocatable, intent(inout) :: object
    character(len=*), intent(in):: type_name
 
    select case (trim(type_name))
    case ("vorticity")
       allocate(vorticity_t::object)
    case ("lambda2")
       allocate(lambda2_t::object)
    case ("probes")
       allocate(probes_t::object)
    case ("les_model")
       allocate(les_simcomp_t::object)
    case ("field_writer")
       allocate(field_writer_t::object)
    case ("weak_grad")
       allocate(weak_grad_t::object)
    case ("derivative")
       allocate(derivative_t::object)
    case ("force_torque")
       allocate(force_torque_t::object)
    case ("fluid_stats")
       allocate(fluid_stats_simcomp_t::object)
    case ("spectral_error")
       allocate(spectral_error_t::object)
    case default
       do i = 1, simcomp_registry_size
          if (trim(type_name) == &
               trim(simcomp_registry(i)%type_name)) then
             call simcomp_registry(i)%allocator(object)
             return
          end if
       end do
       call neko_type_error("simulation component", trim(type_name), &
            simcomps_known_types)
    end select
 
  end subroutine simulation_component_allocator
 
  module subroutine register_simulation_component(type_name, allocator)
    character(len=*), intent(in) :: type_name
    procedure(simulation_component_allocate), pointer, intent(in) :: allocator
    type(allocator_entry), allocatable :: temp(:)
 
    ! Expand registry
    if (simcomp_registry_size == 0) then
       allocate(simcomp_registry(1))
    else
       allocate(temp(simcomp_registry_size + 1))
       temp(1:simcomp_registry_size) = simcomp_registry
       call move_alloc(temp, simcomp_registry)
    end if
 
    simcomp_registry_size = simcomp_registry_size + 1
    simcomp_registry(simcomp_registry_size)%type_name = type_name
    simcomp_registry(simcomp_registry_size)%allocator => allocator
  end subroutine register_simulation_component
 
end submodule simulation_component_fctry