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comparison Lib/IMPL/Config/Class.pm @ 0:03e58a454b20

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Создан репозитарий
author Sergey
date Tue, 14 Jul 2009 12:54:37 +0400
parents
children 16ada169ca75
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-1:000000000000 0:03e58a454b20
1 package IMPL::Config::Class;
2 use strict;
3 use warnings;
4
5 use base qw(IMPL::Config);
6 use IMPL::Exception;
7 use IMPL::Class::Property;
8
9 BEGIN {
10 public property Type => prop_all;
11 public property Parameters => prop_all;
12 public property IsSingleton => prop_all;
13 private property _Instance => prop_all;
14 }
15
16 __PACKAGE__->PassThroughArgs;
17
18 sub CTOR {
19 my $this = shift;
20
21 die new IMPL::Exception("A Type parameter is required") unless $this->Type;
22
23 }
24
25 sub _is_class {
26 no strict 'refs';
27 scalar keys %{"$_[0]::"} ? 1 : 0;
28 }
29
30 sub instance {
31 my $this = shift;
32
33 my $type = $this->Type;
34
35 if ($this->IsSingleton) {
36 if ($this->_Instance) {
37 return $this->_Instance;
38 } else {
39 my %args = (%{$this->Parameters || {}},@_);
40 eval "require $type" unless _is_class($type);
41 my $inst = $type->new(%args);
42 $this->_Instance($inst);
43 return $inst;
44 }
45 } else {
46 my %args = (%{$this->Parameters || {}},@_);
47 eval "require $type" unless _is_class($type);
48 return $type->new(%args);
49 }
50 }
51
52 1;