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MooseX::AttributeHelpers

NAME

MooseX::AttributeHelpers − (DEPRECATED) Extend your attribute interfaces

VERSION

version 0.25

SYNOPSIS

  package MyClass;
  use Moose;
  use MooseX::AttributeHelpers;
  has 'mapping' => (
      metaclass => 'Collection::Hash',
      is        => 'rw',
      isa       => 'HashRef[Str]',
      default   => sub { {} },
      provides  => {
          exists    => 'exists_in_mapping',
          keys      => 'ids_in_mapping',
          get       => 'get_mapping',
          set       => 'set_mapping',
      },
      curries  => {
          set       => { set_quantity => [ 'quantity' ] }
      }
  );
  # ...
  my $obj = MyClass−>new;
  $obj−>set_quantity(10);      # quantity => 10
  $obj−>set_mapping(4, 'foo'); # 4 => 'foo'
  $obj−>set_mapping(5, 'bar'); # 5 => 'bar'
  $obj−>set_mapping(6, 'baz'); # 6 => 'baz'
  # prints 'bar'
  print $obj−>get_mapping(5) if $obj−>exists_in_mapping(5);
  # prints '4, 5, 6'
  print join ', ', $obj−>ids_in_mapping;

DESCRIPTION

This distribution is deprecated. The features it provides have been added to the Moose core code as Moose::Meta::Attribute::Native. This distribution should not be used by any new code.

While Moose attributes provide you with a way to name your accessors, readers, writers, clearers and predicates, this library provides commonly used attribute helper methods for more specific types of data.

As seen in the " SYNOPSIS" , you specify the extension via the "metaclass" parameter. Available meta classes are:

PARAMETERS

provides
This points to a hashref that uses "provider" for the keys and "method" for the values. The method will be added to the object itself and do what you want.

curries
This points to a hashref that uses "provider" for the keys and has two choices for the value:

You can supply "{method => [ @args ]}" for the values. The method will be added to the object itself (always using @args as the beginning arguments).

Another approach to curry a method provider is to supply a coderef instead of an arrayref. The code ref takes $self, $body, and any additional arguments passed to the final method.

  # ...
  curries => {
      grep => {
          times_with_day => sub {
              my ($self, $body, $datetime) = @_;
              $body−>($self, sub { $_−>ymd eq $datetime−>ymd });
          }
      }
  }
  # ...
  $obj−>times_with_day(DateTime−>now); # takes datetime argument, checks day

METHOD PROVIDERS

Number

Common numerical operations.

String

Common methods for string operations.

Counter

Methods for incrementing and decrementing a counter attribute.

Bool

Common methods for boolean values.

Collection::Hash

Common methods for hash references.

Collection::ImmutableHash

Common methods for inspecting hash references.

Collection::Array

Common methods for array references.

Collection::List

Common list methods for array references.

DEPRECATION NOTICE

The functionality in this family of modules is now implemented in the Moose core as Moose::Meta::Attribute::Native. No more development is being done on MooseX::AttributeHelpers, so we encourage you to switch to native attribute traits.

SUPPORT

Bugs may be submitted through the RT bug tracker <https://rt.cpan.org/Public/Dist/Display.html?Name=MooseX-AttributeHelpers> (or bug−MooseX−AttributeHelpers AT rt DOT cpan DOT org <mailto:bug-MooseX-AttributeHelpers AT rt DOT cpan DOT org>).

There is also a mailing list available for users of this distribution, at <http://lists.perl.org/list/moose.html>.

There is also an irc channel available for users of this distribution, at "#moose" on "irc.perl.org" <irc://irc.perl.org/#moose>.

AUTHOR

Stevan Little <stevan AT iinteractive DOT com>

CONTRIBUTORS

Shawn M Moore <sartak AT gmail DOT com>

Stevan Little <stevan DOT little AT iinteractive DOT com>

Dave Rolsky <autarch AT urth DOT org>

Florian Ragwitz <rafl AT debian DOT org>

Yuval Kogman <nothingmuch AT woobling DOT org>

Jason May <jason DOT a DOT may AT gmail DOT com>

Karen Etheridge <ether AT cpan DOT org>

Cory G Watson <gphat AT onemogin DOT com>

Jesse Luehrs <doy AT tozt DOT net>

Robert Boone <robo4288 AT gmail DOT com>

Bruno Vecchi <vecchi DOT b AT gmail DOT com>

Johannes Plunien <plu AT pqpq DOT de>

Mike Whitaker <mike AT altrion DOT org>

Hans Dieter Pearcey <hdp AT weftsoar DOT net>

Paul Driver <frodwith AT gmail DOT com>

Robert ’phaylon’ Sedlacek <rs AT 474 DOT at>

Evan Carroll <me AT evancarroll DOT com>

Dagfinn Ilmari Mannsaaker <ilmari AT ilmari DOT org>

Chris Prather <cprather AT hdpublishing DOT com>

Tom Lanyon <tom AT netspot DOT com DOT au>

Chris Prather <chris AT prather DOT org>

nperez <nperez AT cpan DOT org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2007 by Stevan Little and Infinity Interactive, Inc.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

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