static/talks/bread_board_yapc_na_2012/006.pl.html


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<pre>package MyApp;
use MyFramework;

has dsn =&gt; (is =&gt; 'ro', isa =&gt; 'Str', default =&gt; 'dbi:mysql:myapp_db');
has tt_root =&gt; (is =&gt; 'ro', isa =&gt; 'Str', default =&gt; 'root/template');
has logger =&gt; (is =&gt; 'ro', isa =&gt; 'Logger', default =&gt; sub {Logger-&gt;new});
has model =&gt; (
    is =&gt; 'ro', isa =&gt; 'Model', lazy =&gt; 1,
    default =&gt; sub {
        my $m = Model-&gt;connect($_[0]-&gt;dsn);
        $m-&gt;set_logger($_[0]-&gt;logger);
        return $m;
    },
);
has view  =&gt; (
    is =&gt; 'ro', isa =&gt; 'View', lazy =&gt; 1,
    default =&gt; sub {
        View-&gt;new(logger =&gt; $_[0]-&gt;logger, tt_root =&gt; $_[0]-&gt;tt_root);
    },
);

sub call { ... }


</pre>
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