Projekt

Allgemein

Profil

« Zurück | Weiter » 

Revision 34fac169

Von Moritz Bunkus vor fast 9 Jahren hinzugefügt

  • ID 34fac1694565f2a835851d2d6a6aa0f83faee43b
  • Vorgänger 8925999b
  • Nachfolger c44615e9

SL::DB::Note: Funktion trans_object zum Auslesen des referenzierten Objekts

Ein Note-Objekt hängt immer an einem anderen Datenbankobject, das über
trans_module+trans_id referenziert wird. Diese Funktion entscheidet
anhand von trans_module, welche Rose-Klasse zu instantiieren ist, holt
das entsprechende Objekt aus der Datenbank und gibt es zurück.

Auch bei polymorphen Objekten wie Kunden/Lieferanten (für trans_module == ct) wird das richtige getan.

Unterschiede anzeigen:

SL/DB/Note.pm
# This file has been auto-generated only because it didn't exist.
# Feel free to modify it at will; it will not be overwritten automatically.
package SL::DB::Note;
use strict;
use Carp;
use SL::DB::MetaSetup::Note;
......
# Creates get_all, get_all_count, get_all_iterator, delete_all and update_all.
__PACKAGE__->meta->make_manager_class;
sub trans_object {
my $self = shift;
croak "Method is not a setter" if @_;
return undef if !$self->trans_id || !$self->trans_module;
if ($self->trans_module eq 'fu') {
require SL::DB::FollowUp;
return SL::DB::Manager::FollowUp->find_by(id => $self->trans_id);
}
if ($self->trans_module eq 'ct') {
require SL::DB::Customer;
require SL::DB::Vendor;
return SL::DB::Manager::Customer->find_by(id => $self->trans_id)
|| SL::DB::Manager::Vendor ->find_by(id => $self->trans_id);
}
return undef;
}
1;
__END__
=pod
=encoding utf8
=head1 NAME
SL::DB::Note - Notes
=head1 FUNCTIONS
=over 4
=item C<trans_object>
A note object is always attached to another database entity. Which one
is determined by the columns C<trans_module> and C<trans_id>. This
function looks at both, retrieves the corresponding object from the
database and returns it.
Currently the following three types are supported:
=over 2
=item * C<SL::DB::FollowUp> for C<trans_module == 'fu'>
=item * C<SL::DB::Customer> or C<SL::DB::Vendor> for C<trans_module ==
'ct'> (which class is used depends on the value of C<trans_id>;
customers are looked up first)
=back
The method returns C<undef> in three cases: if no C<trans_id> or no
C<trans_module> has been assigned yet; if C<trans_module> is unknown;
if the referenced object doesn't exist.
This method is a getter only, not a setter.
=back
=head1 BUGS
Nothing here yet.
=head1 AUTHOR
Moritz Bunkus E<lt>m.bunkus@linet-services.deE<gt>
=cut

Auch abrufbar als: Unified diff