Mercurial > pub > Impl
annotate Lib/IMPL/Config/Link.pm @ 58:a35b60b16a99
Configuration, late activation
| author | wizard |
|---|---|
| date | Fri, 05 Mar 2010 20:14:45 +0300 |
| parents | |
| children | 0f3e369553bd |
| rev | line source |
|---|---|
| 58 | 1 package IMPL::Config::Link; |
| 2 | |
| 3 use strict; | |
| 4 | |
| 5 require IMPL::Exception; | |
| 6 | |
| 7 require Tie::Scalar; | |
| 8 our @ISA = qw(Tie::StdScalar); | |
| 9 | |
| 10 sub FETCH { | |
| 11 return ${$_[0]} = ${$_[0]}->instance() if UNIVERSAL::isa(${$_[0]},'IMPL::Config::Activator'); | |
| 12 } | |
| 13 | |
| 14 sub restore { | |
| 15 my ($self,$data,$surrogate) = @_; | |
| 16 | |
| 17 my %args = @$data; | |
| 18 | |
| 19 die new IMPL::Exception('A target is required for the link') unless exists $args{target}; | |
| 20 | |
| 21 return $self->new($args{target}); | |
| 22 } |