06-25-2015
Thanks for sharing!
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wt ()
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LEARN ABOUT DEBIAN
dbix::class::helper::row::subclass
DBIx::Class::Helper::Row::SubClass(3pm) User Contributed Perl Documentation DBIx::Class::Helper::Row::SubClass(3pm)
NAME
DBIx::Class::Helper::Row::SubClass - Convenient subclassing with DBIx::Class
VERSION
version 2.013002
SYNOPSIS
# define parent class
package ParentSchema::Result::Bar;
use strict;
use warnings;
use parent 'DBIx::Class';
__PACKAGE__->load_components('Core');
__PACKAGE__->table('Bar');
__PACKAGE__->add_columns(qw/ id foo_id /);
__PACKAGE__->set_primary_key('id');
__PACKAGE__->belongs_to( foo => 'ParentSchema::Result::Foo', 'foo_id' );
# define subclass
package MySchema::Result::Bar;
use strict;
use warnings;
use parent 'ParentSchema::Result::Bar';
__PACKAGE__->load_components(qw{Helper::Row::SubClass Core});
__PACKAGE__->subclass;
or with DBIx::Class::Candy:
# define subclass
package MySchema::Result::Bar;
use DBIx::Class::Candy
-base => 'ParentSchema::Result::Bar',
-components => ['Helper::Row::SubClass'];
subclass;
DESCRIPTION
This component is to allow simple subclassing of DBIx::Class Result classes.
METHODS
subclass
This is probably the method you want. You call this in your child class and it imports the definitions from the parent into itself.
generate_relationships
This is where the cool stuff happens. This assumes that the namespace is laid out in the recommended "MyApp::Schema::Result::Foo" format.
If the parent has "Parent::Schema::Result::Foo" related to "Parent::Schema::Result::Bar", and you inherit from
"Parent::Schema::Result::Foo" in "MyApp::Schema::Result::Foo", you will automatically get the relationship to "MyApp::Schema::Result::Bar".
set_table
This is a super basic method that just sets the current classes' table to the parent classes' table.
CANDY EXPORTS
If used in conjunction with DBIx::Class::Candy this component will export:
join_table
subclass
generate_relationships
set_table
NOTE
This Component is mostly aimed at those who want to subclass parts of a schema, maybe for sharing a login system in a few different
projects. Do not confuse it with DBIx::Class::DynamicSubclass, which solves an entirely different problem. DBIx::Class::DynamicSubclass
is for when you want to store a few very similar classes in the same table (Employee, Person, Boss, etc) whereas this component is merely
for reusing an existing schema.
AUTHOR
Arthur Axel "fREW" Schmidt <frioux+cpan@gmail.com>
COPYRIGHT AND LICENSE
This software is copyright (c) 2012 by Arthur Axel "fREW" Schmidt.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
perl v5.14.2 2012-06-18 DBIx::Class::Helper::Row::SubClass(3pm)