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1 | package MooseX::Storage::Traits::DisableCycleDetection; |
2 | use Moose::Role; |
3 | |
4 | our $VERSION = '0.18'; |
5 | our $AUTHORITY = 'cpan:STEVAN'; |
6 | |
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7 | requires 'pack'; |
8 | requires 'unpack'; |
9 | |
10 | around 'pack' => sub { |
11 | my ($orig, $self, %args) = @_; |
12 | $args{engine_traits} ||= []; |
13 | push(@{$args{engine_traits}}, 'DisableCycleDetection'); |
14 | $self->$orig(%args); |
15 | }; |
16 | |
17 | around 'unpack' => sub { |
18 | my ($orig, $self, $data, %args) = @_; |
19 | $args{engine_traits} ||= []; |
20 | push(@{$args{engine_traits}}, 'DisableCycleDetection'); |
21 | $self->$orig($data, %args); |
22 | }; |
23 | |
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24 | 1; |
25 | |
26 | __END__ |
27 | |
28 | =pod |
29 | |
30 | =head1 NAME |
31 | |
32 | MooseX::Storage::Traits::DisableCycleDetection - A custom trait to bypass cycle detection |
33 | |
34 | =head1 SYNOPSIS |
35 | |
36 | |
37 | package Double; |
38 | use Moose; |
39 | use MooseX::Storage; |
40 | with Storage( traits => ['DisableCycleDetection'] ); |
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41 | |
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42 | has 'x' => ( is => 'rw', isa => 'HashRef' ); |
43 | has 'y' => ( is => 'rw', isa => 'HashRef' ); |
44 | |
45 | my $ref = {}; |
46 | |
47 | my $double = Double->new( 'x' => $ref, 'y' => $ref ); |
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48 | |
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49 | $double->pack; |
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50 | |
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51 | =head1 DESCRIPTION |
52 | |
53 | C<MooseX::Storage> implements a primitive check for circular references. |
54 | This check also triggers on simple cases as shown in the Synopsis. |
55 | Providing the C<DisableCycleDetection> traits disables checks for any cyclical |
56 | references, so if you know what you are doing, you can bypass this check. |
57 | |
58 | This trait is applied to all objects that inherit from it. To use this |
59 | on a per-case basis, see C<disable_cycle_check> in L<MooseX::Storage::Basic>. |
60 | |
61 | See the SYNOPSIS for a nice example that can be easily cargo-culted. |
62 | |
63 | =head1 METHODS |
64 | |
65 | =head2 Introspection |
66 | |
67 | =over 4 |
68 | |
69 | =item B<meta> |
70 | |
71 | =back |
72 | |
73 | =head1 BUGS |
74 | |
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75 | All complex software has bugs lurking in it, and this module is no |
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76 | exception. If you find a bug please either email me, or add the bug |
77 | to cpan-RT. |
78 | |
79 | =head1 AUTHOR |
80 | |
81 | Stevan Little E<lt>stevan.little@iinteractive.comE<gt> |
82 | |
83 | =head1 COPYRIGHT AND LICENSE |
84 | |
85 | Copyright 2007-2008 by Infinity Interactive, Inc. |
86 | |
87 | L<http://www.iinteractive.com> |
88 | |
89 | This library is free software; you can redistribute it and/or modify |
90 | it under the same terms as Perl itself. |
91 | |
92 | =cut |
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93 | |