|
49
|
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;
|
