package DBIx::Class::AccessorGroup;
-sub mk_group_accessors {
- my($self, $group, @fields) = @_;
+use strict;
+use warnings;
- $self->_mk_group_accessors('make_group_accessor', $group, @fields);
-}
+use base qw( DBIx::Class::MethodAttributes Class::Accessor::Grouped );
+use mro 'c3';
+use Scalar::Util qw/weaken blessed/;
+use DBIx::Class::_Util 'fail_on_internal_call';
+use namespace::clean;
-{
- no strict 'refs';
+sub mk_classdata {
+ DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call;
+ shift->mk_classaccessor(@_);
+}
- sub _mk_group_accessors {
- my($self, $maker, $group, @fields) = @_;
- my $class = ref $self || $self;
+sub mk_classaccessor {
+ my $self = shift;
+ $self->mk_group_accessors('inherited', $_[0]);
+ (@_ > 1)
+ ? $self->set_inherited(@_)
+ : ( DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call )
+ ;
+}
- # So we don't have to do lots of lookups inside the loop.
- $maker = $self->can($maker) unless ref $maker;
+my $successfully_loaded_components;
- foreach my $field (@fields) {
- if( $field eq 'DESTROY' ) {
- require Carp;
- &Carp::carp("Having a data accessor named DESTROY in ".
- "'$class' is unwise.");
- }
+sub get_component_class {
+ my $class = $_[0]->get_inherited($_[1]);
- my $accessor = $self->$maker($group, $field);
- my $alias = "_${field}_accessor";
+ # It's already an object, just go for it.
+ return $class if blessed $class;
- *{$class."\:\:$field"} = $accessor
- unless defined &{$class."\:\:$field"};
+ if (defined $class and ! $successfully_loaded_components->{$class} ) {
+ $_[0]->ensure_class_loaded($class);
- *{$class."\:\:$alias"} = $accessor
- unless defined &{$class."\:\:$alias"};
- }
- }
-}
+ mro::set_mro( $class, 'c3' );
-sub mk_group_ro_accessors {
- my($self, $group, @fields) = @_;
+ no strict 'refs';
+ $successfully_loaded_components->{$class}
+ = ${"${class}::__LOADED__BY__DBIC__CAG__COMPONENT_CLASS__"}
+ = do { \(my $anon = 'loaded') };
+ weaken($successfully_loaded_components->{$class});
+ }
- $self->_mk_group_accessors('make_group_ro_accessor', $group, @fields);
-}
+ $class;
+};
-sub mk_group_wo_accessors {
- my($self, $group, @fields) = @_;
+sub set_component_class {
+ $_[0]->set_inherited($_[1], $_[2]);
- $self->_mk_group_accessors('make_group_wo_accessor', $group, @fields);
+ # trigger a load for the case of $foo->component_accessor("bar")->new
+ $_[0]->get_component_class($_[1])
+ if defined wantarray;
}
-sub make_group_accessor {
- my ($class, $group, $field) = @_;
-
- my $set = "set_$group";
- my $get = "get_$group";
+1;
- # Build a closure around $field.
- return sub {
- my $self = shift;
+=head1 NAME
- if(@_) {
- return $self->set($field, @_);
- }
- else {
- return $self->get($field);
- }
- };
-}
+DBIx::Class::AccessorGroup - See Class::Accessor::Grouped
-sub make_group_ro_accessor {
- my($class, $group, $field) = @_;
+=head1 SYNOPSIS
- my $get = "get_$group";
+=head1 DESCRIPTION
- return sub {
- my $self = shift;
+This class now exists in its own right on CPAN as Class::Accessor::Grouped
- if(@_) {
- my $caller = caller;
- require Carp;
- Carp::croak("'$caller' cannot alter the value of '$field' on ".
- "objects of class '$class'");
- }
- else {
- return $self->get($field);
- }
- };
-}
+=head1 FURTHER QUESTIONS?
-sub make_group_wo_accessor {
- my($class, $group, $field) = @_;
+Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>.
- my $set = "set_$group";
+=head1 COPYRIGHT AND LICENSE
- return sub {
- my $self = shift;
+This module is free software L<copyright|DBIx::Class/COPYRIGHT AND LICENSE>
+by the L<DBIx::Class (DBIC) authors|DBIx::Class/AUTHORS>. You can
+redistribute it and/or modify it under the same terms as the
+L<DBIx::Class library|DBIx::Class/COPYRIGHT AND LICENSE>.
- unless (@_) {
- my $caller = caller;
- require Carp;
- Carp::croak("'$caller' cannot access the value of '$field' on ".
- "objects of class '$class'");
- }
- else {
- return $self->set($field, @_);
- }
- };
-}
-
-1;
+=cut