Mercurial > pub > Impl
annotate Lib/IMPL/Class/PropertyInfo.pm @ 143:d9dd3500ead3
Singleton behavior changed
| author | wizard |
|---|---|
| date | Thu, 08 Jul 2010 23:46:49 +0400 |
| parents | 44977efed303 |
| children | 6ce1f052b90a |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::Class::PropertyInfo; |
| 2 use strict; | |
| 3 | |
| 4 use base qw(IMPL::Class::MemberInfo); | |
| 5 | |
|
60
b0c068da93ac
Lazy activation for the configuration objects (final concept)
wizard
parents:
49
diff
changeset
|
6 __PACKAGE__->mk_accessors(qw(Type Mutators canGet canSet ownerSet)); |
| 49 | 7 __PACKAGE__->PassThroughArgs; |
| 8 | |
| 9 my %LoadedModules; | |
| 10 | |
| 11 sub CTOR { | |
| 12 my $this = shift; | |
| 13 | |
| 14 if ( my $type = $this->Attributes ? delete $this->Attributes->{type} : undef ) { | |
| 15 $this->Type($type); | |
| 16 } | |
| 17 | |
| 18 $this->Mutators(0) unless defined $this->Mutators; | |
| 19 } | |
| 20 | |
| 21 sub Implementor { | |
| 22 my $this = shift; | |
| 134 | 23 |
| 49 | 24 if (@_) { |
| 25 $this->SUPER::Implementor(@_); | |
| 26 } else { | |
| 27 my $implementor = $this->SUPER::Implementor; | |
| 28 return $implementor if $implementor; | |
| 29 | |
| 30 $implementor = $this->SelectImplementor(); | |
| 31 | |
| 32 if (my $class = ref $implementor ? undef : $implementor) { | |
| 134 | 33 eval "require $class; 1;" or die $@ unless $LoadedModules{$class}++; |
| 49 | 34 } |
| 35 | |
| 36 $this->Implementor($implementor); | |
| 37 } | |
| 38 | |
| 39 } | |
| 40 | |
| 41 sub SelectImplementor { | |
| 134 | 42 eval {$_[0]->Class->_PropertyImplementor} or die new IMPL::Exception('Can\'t find a property implementor for the specified class',$_[0]->Class); |
| 49 | 43 } |
| 44 | |
| 45 1; |