+sub _before_save_invalidate_requirement_spec_version {
+ my ($self, %params) = @_;
+
+ return 1 if !$self->requirement_spec_id || $self->requirement_spec->working_copy_id;
+
+ my %changed_columns = map { $_ => 1 } (Rose::DB::Object::Helpers::dirty_columns($self));
+ my $has_changed = !Rose::DB::Object::Util::is_in_db($self);
+ $has_changed ||= any { $changed_columns{$_} } qw(requirement_spec_id parent_id position fb_number title description);
+
+ if (!$has_changed && $self->id) {
+ my $old_item = SL::DB::RequirementSpecItem->new(id => $self->id)->load;
+ $has_changed = join(':', sort map { $_->id } @{ $self->dependencies }) ne join(':', sort map { $_->id } @{ $old_item->dependencies });
+ }
+
+ $self->requirement_spec->invalidate_version if $has_changed;
+
+ return 1;
+}
+
+sub _before_delete_invalidate_requirement_spec_version {
+ my ($self, %params) = @_;
+
+ $self->requirement_spec->invalidate_version if $self->requirement_spec_id;
+
+ return 1;
+}
+