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49
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1 package IMPL::Config::Class;
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2 use strict;
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3 use warnings;
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4
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165
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5 use parent qw(IMPL::Config);
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49
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6 use IMPL::Exception;
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7 use IMPL::Class::Property;
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196
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8 use Carp qw(carp);
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49
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9
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10 BEGIN {
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196
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11 carp "the module is deprecated";
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12
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49
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13 public property Type => prop_all;
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14 public property Parameters => prop_all;
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15 public property IsSingleton => prop_all;
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16 private property _Instance => prop_all;
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17 }
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18
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19 __PACKAGE__->PassThroughArgs;
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20
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21 sub CTOR {
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22 my $this = shift;
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23
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24 die new IMPL::Exception("A Type parameter is required") unless $this->Type;
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25
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92
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26 warn "IMPL::Config::Class is absolute, use IMPL::Config::Activator instead";
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49
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27 }
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28
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29 sub _is_class {
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30 no strict 'refs';
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31 scalar keys %{"$_[0]::"} ? 1 : 0;
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32 }
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33
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34 sub instance {
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35 my $this = shift;
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36
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37 my $type = $this->Type;
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38
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39 if ($this->IsSingleton) {
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40 if ($this->_Instance) {
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41 return $this->_Instance;
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42 } else {
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43 my %args = (%{$this->Parameters || {}},@_);
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44 eval "require $type" unless _is_class($type);
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45 my $inst = $type->new(%args);
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46 $this->_Instance($inst);
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47 return $inst;
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48 }
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49 } else {
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50 my %args = (%{$this->Parameters || {}},@_);
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51 eval "require $type" unless _is_class($type);
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52 return $type->new(%args);
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53 }
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54 }
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55
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56 1;
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