Remove the only use of the CAG 'inherited_ro_instance' group

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / AccessorGroup.pm

diff --git a/lib/DBIx/Class/AccessorGroup.pm b/lib/DBIx/Class/AccessorGroup.pm
index bd245e3..31cdcb0 100644 (file)
--- a/lib/DBIx/Class/AccessorGroup.pm
+++ b/lib/DBIx/Class/AccessorGroup.pm
@@ -3,21 +3,103 @@ package DBIx::Class::AccessorGroup;
 use strict;
 use warnings;
 
-use base qw/Class::Accessor::Grouped/;
+use base qw( DBIx::Class::MethodAttributes Class::Accessor::Grouped );
 
-our %successfully_loaded_components;
+use Scalar::Util 'blessed';
+use DBIx::Class::_Util 'fail_on_internal_call';
+use namespace::clean;
+
+sub mk_classdata :DBIC_method_is_indirect_sugar {
+  DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call;
+  shift->mk_classaccessor(@_);
+}
+
+sub mk_classaccessor :DBIC_method_is_indirect_sugar {
+  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 )
+  ;
+}
+
+sub mk_group_accessors {
+  my $class = shift;
+  my $type = shift;
+
+  $class->next::method($type, @_);
+
+  # label things
+  if( $type =~ /^ ( inflated_ | filtered_ )? column $/x ) {
+
+    $class = ref $class
+      if length ref $class;
+
+    for my $acc_pair  (
+      map
+        { [ $_, "_${_}_accessor" ] }
+        map
+          { ref $_ ? $_->[0] : $_ }
+          @_
+    ) {
+
+      for my $i (0, 1) {
+
+        my $acc_name = $acc_pair->[$i];
+
+        attributes->import(
+          $class,
+          (
+            $class->can($acc_name)
+              ||
+            Carp::confess("Accessor '$acc_name' we just created on $class can't be found...?")
+          ),
+          'DBIC_method_is_generated_from_resultsource_metadata',
+          ($i
+            ? "DBIC_method_is_${type}_extra_accessor"
+            : "DBIC_method_is_${type}_accessor"
+          ),
+        )
+      }
+    }
+  }
+  elsif( $type eq 'inherited_ro_instance' ) {
+    DBIx::Class::Exception->throw(
+      "The 'inherted_ro_instance' CAG group has been retired - use 'inherited' instead"
+    );
+  }
+}
 
 sub get_component_class {
   my $class = $_[0]->get_inherited($_[1]);
-  if (defined $class and ! $successfully_loaded_components{$class}) {
+
+  no strict 'refs';
+  if (
+    defined $class
+      and
+    # inherited CAG can't be set to undef effectively, so people may use ''
+    length $class
+      and
+    # It's already an object, just go for it.
+    ! defined blessed $class
+      and
+    ! ${"${class}::__LOADED__BY__DBIC__CAG__COMPONENT_CLASS__"}
+  ) {
     $_[0]->ensure_class_loaded($class);
-    $successfully_loaded_components{$class}++; # only increment if the load succeeded
+
+    ${"${class}::__LOADED__BY__DBIC__CAG__COMPONENT_CLASS__"}
+      = do { \(my $anon = 'loaded') };
   }
+
   $class;
 };
 
 sub set_component_class {
-  shift->set_inherited(@_);
+  $_[0]->set_inherited($_[1], $_[2]);
+
+  # trigger a load for the case of $foo->component_accessor("bar")->new
+  $_[0]->get_component_class($_[1])
+    if defined wantarray;
 }
 
 1;
@@ -32,13 +114,15 @@ DBIx::Class::AccessorGroup - See Class::Accessor::Grouped
 
 This class now exists in its own right on CPAN as Class::Accessor::Grouped
 
-=head1 AUTHORS
+=head1 FURTHER QUESTIONS?
 
-Matt S. Trout <mst@shadowcatsystems.co.uk>
+Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>.
 
-=head1 LICENSE
+=head1 COPYRIGHT AND LICENSE
 
-You may distribute this code under the same terms as Perl itself.
+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>.
 
 =cut
-