X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FRelationship%2FManyToMany.pm;h=163ac365102e20451842a9ffbc26fb0334b3dfab;hb=acdda5b21197d6fd849ef15e544b5fbae283649a;hp=1e6b93b87830944807f6a90740671b9d5ee3136b;hpb=6cc5b3824863ed67f7f2c400b379099585d98b25;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Relationship/ManyToMany.pm b/lib/DBIx/Class/Relationship/ManyToMany.pm
index 1e6b93b..163ac36 100644
--- a/lib/DBIx/Class/Relationship/ManyToMany.pm
+++ b/lib/DBIx/Class/Relationship/ManyToMany.pm
@@ -3,6 +3,8 @@ package # hide from PAUSE
 
 use strict;
 use warnings;
+use warnings::register;
+use Sub::Name ();
 
 sub many_to_many {
   my ($class, $meth, $rel, $f_rel, $rel_attrs) = @_;
@@ -24,9 +26,28 @@ sub many_to_many {
     my $set_meth = "set_${meth}";
     my $rs_meth = "${meth}_rs";
 
+    for ($add_meth, $remove_meth, $set_meth, $rs_meth) {
+      if ( $class->can ($_) ) {
+        warnings::warnif(<<"EOW")
+***************************************************************************
+The many-to-many relationship $meth is trying to create a utility method called
+$_. This will overwrite the existing method on $class. You almost certainly
+want to rename your method or the many-to-many relationship, as your method
+will not be callable (it will use the one from the relationship instead.)
+
+To disable this warning add the following to $class
+
+  no warnings 'DBIx::Class::Relationship::ManyToMany';
+
+***************************************************************************
+EOW
+      }
+    }
+
     $rel_attrs->{alias} ||= $f_rel;
 
-    *{"${class}::${meth}_rs"} = sub {
+    my $rs_meth_name = join '::', $class, $rs_meth;
+    *$rs_meth_name = Sub::Name::subname $rs_meth_name, sub {
       my $self = shift;
       my $attrs = @_ > 1 && ref $_[$#_] eq 'HASH' ? pop(@_) : {};
       my @args = ($f_rel, @_ > 0 ? @_ : undef, { %{$rel_attrs||{}}, %$attrs });
@@ -36,13 +57,15 @@ sub many_to_many {
 	  return $rs;
     };
 
-	*{"${class}::${meth}"} = sub {
+    my $meth_name = join '::', $class, $meth;
+    *$meth_name = Sub::Name::subname $meth_name, sub {
 		my $self = shift;
 		my $rs = $self->$rs_meth( @_ );
   		return (wantarray ? $rs->all : $rs);
 	};
 
-    *{"${class}::${add_meth}"} = sub {
+    my $add_meth_name = join '::', $class, $add_meth;
+    *$add_meth_name = Sub::Name::subname $add_meth_name, sub {
       my $self = shift;
       @_ > 0 or $self->throw_exception(
         "${add_meth} needs an object or hashref"
@@ -72,7 +95,8 @@ sub many_to_many {
 	  return $obj;
     };
 
-    *{"${class}::${set_meth}"} = sub {
+    my $set_meth_name = join '::', $class, $set_meth;
+    *$set_meth_name = Sub::Name::subname $set_meth_name, sub {
       my $self = shift;
       @_ > 0 or $self->throw_exception(
         "{$set_meth} needs a list of objects or hashrefs"
@@ -82,7 +106,8 @@ sub many_to_many {
       $self->$add_meth($_) for (@to_set);
     };
 
-    *{"${class}::${remove_meth}"} = sub {
+    my $remove_meth_name = join '::', $class, $remove_meth;
+    *$remove_meth_name = Sub::Name::subname $remove_meth_name, sub {
       my $self = shift;
       @_ > 0 && ref $_[0] ne 'HASH'
         or $self->throw_exception("${remove_meth} needs an object");