lib/DX/ActionBuilder/UnsetValue.pm

   1 package DX::ActionBuilder::UnsetValue;
   2
   3 use DX::Action::SetValue;
   4 use DX::ActionBuilder::Normal;
   5 use DX::Action::BindValue;
   6 use DX::ActionBuilder::BoundValue;
   7 use DX::Utils qw(VALUE_SET);
   8 use DX::Class;
   9
  10 with 'DX::Role::ActionBuilder';
  11
  12 has target_path => (is => 'ro', required => 1);
  13
  14 sub aperture_for_set_value {
  15   [ [ VALUE_SET ,=> @{$_[0]->target_path} ] ]
  16 }
  17
  18 sub action_for_set_value {
  19   my ($self, $value) = @_;
  20   if (my $p = $value->value_path) {
  21     my $ab = DX::ActionBuilder::BoundValue->new(
  22       target_path => $self->target_path,
  23       rebind_path => $self->target_path,
  24       bound_to_path => $p,
  25       inner_action_builder => $value->action_builder,
  26     );
  27     return DX::Action::BindValue->new(
  28       target_path => $self->target_path,
  29       new_value => $ab->apply_to_value($value, $value),
  30     )
  31   }
  32   DX::ActionBuilder::Normal->new(
  33     target_path => $self->target_path,
  34   )->action_for_set_value($value);
  35 }
  36
  37 1;