Mercurial > pub > Impl
view Lib/IMPL/Class/PropertyInfo.pm @ 60:b0c068da93ac
Lazy activation for the configuration objects (final concept)
small fixes
author | wizard |
---|---|
date | Tue, 09 Mar 2010 19:47:39 +0300 |
parents | 16ada169ca75 |
children | 44977efed303 |
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package IMPL::Class::PropertyInfo; use strict; use base qw(IMPL::Class::MemberInfo); __PACKAGE__->mk_accessors(qw(Type Mutators canGet canSet ownerSet)); __PACKAGE__->PassThroughArgs; my %LoadedModules; sub CTOR { my $this = shift; if ( my $type = $this->Attributes ? delete $this->Attributes->{type} : undef ) { $this->Type($type); } $this->Mutators(0) unless defined $this->Mutators; } sub Implementor { my $this = shift; my $implementor; if (@_) { $this->SUPER::Implementor(@_); } else { my $implementor = $this->SUPER::Implementor; return $implementor if $implementor; $implementor = $this->SelectImplementor(); if (my $class = ref $implementor ? undef : $implementor) { if (not $LoadedModules{$class}) { (my $package = $class.'.pm') =~ s/::/\//g; require $package; $LoadedModules{$class} = 1; } } $this->Implementor($implementor); return $implementor; } } sub SelectImplementor { my ($this) = @_; if ($this->Class->can('_PropertyImplementor')) { return $this->Class->_PropertyImplementor; } die new IMPL::Exception('Can\'t find a property implementor for the specified class',$this->Class); } 1;