Rose::DB::Object::Std::Cached(3p)

NAME
Rose::DB::Object::Std::Cached - Memory cached standardized object representation of a single row in a database table.

SYNOPSIS
  package Category;

  use Rose::DB::Object::Std::Cached;
  our @ISA = qw(Rose::DB::Object::Std::Cached);

  __PACKAGE__->meta->table('categories');

  __PACKAGE__->meta->columns
  (
    id          => { type => 'int', primary_key => 1 },
    name        => { type => 'varchar', length => 255 },
    description => { type => 'text' },
  );

  __PACKAGE__->meta->add_unique_key('name');

  __PACKAGE__->meta->initialize;

  ...

  $cat1 = Category->new(id   => 123,
                        name => 'Art');

  $cat1->save or die $category->error;

  $cat2 = Category->new(id => 123);

  # This will load from the memory cache, not the database
  $cat2->load or die $cat2->error;

  # $cat2 is the same object as $cat1
  print "Yep, cached"  if($cat1 eq $cat2);

  # No, really, it's the same object
  $cat1->name('Blah');
  print $cat2->name; # prints "Blah"

  ...

DESCRIPTION
"Rose::DB::Object::Std::Cached" is a subclass of both Rose::DB::Object::Std and Rose::DB::Object::Cached. It simply combines the features of both classes. See the Rose::DB::Object::Std and Rose::DB::Object::Cached documentation for more information.

AUTHOR
John C. Siracusa (siracusa@gmail.com)

COPYRIGHT
Copyright (c) 2008 by John C. Siracusa. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.