Mercurial > pub > Impl
annotate Lib/IMPL/Object.pm @ 251:9f394b27dccf
require can handle recursive module references
| author | sergey |
|---|---|
| date | Fri, 16 Nov 2012 16:44:16 +0400 |
| parents | 6d8092d8ce1b |
| children | 8a5da17d7ef9 |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::Object; |
| 2 use strict; | |
| 3 | |
| 165 | 4 use parent qw(IMPL::Object::Abstract); |
| 230 | 5 require IMPL::Class::Property::Direct; |
| 49 | 6 |
| 7 sub surrogate { | |
| 8 bless {}, ref $_[0] || $_[0]; | |
| 9 } | |
| 10 | |
| 180 | 11 __PACKAGE__->static_accessor( propertyInfoClass => 'IMPL::Class::DirectPropertyInfo' ); |
| 12 | |
| 49 | 13 sub new { |
| 14 my $class = shift; | |
| 15 my $self = bless {}, ref($class) || $class; | |
| 16 $self->callCTOR(@_); | |
| 17 | |
| 18 $self; | |
| 19 } | |
| 20 | |
| 21 sub _PropertyImplementor { | |
| 22 'IMPL::Class::Property::Direct' | |
| 23 } | |
| 24 | |
| 53 | 25 1; |
| 26 | |
| 27 __END__ | |
| 28 | |
| 49 | 29 =pod |
| 53 | 30 |
|
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DOM objects now have a schema and schemaSource properties
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31 =head1 SINOPSYS |
| 49 | 32 |
| 64 | 33 =begin code |
| 34 | |
| 49 | 35 package Foo; |
| 165 | 36 use parent qw(IMPL::Object); |
| 49 | 37 |
| 38 sub CTOR { | |
| 39 my ($this,$arg) = @_; | |
| 40 print "Foo: $arg\n"; | |
| 41 } | |
| 42 | |
| 43 package Bar; | |
| 165 | 44 use parent qw(IMPL::Object); |
| 49 | 45 |
| 46 sub CTOR { | |
| 47 my ($this,$arg) = @_; | |
| 48 print "Bar: $arg\n"; | |
| 49 } | |
| 50 | |
| 51 package Baz; | |
| 165 | 52 use parent qw(Foo Bar); |
| 49 | 53 |
| 54 our %CTOR = ( | |
| 55 Foo => sub { my %args = @_; $args{Mazzi}; }, | |
| 56 Bar => sub { my %args = @_; $args{Fugi}; } | |
| 57 ); | |
| 58 | |
| 59 package Composite; | |
| 165 | 60 use parent qw(Baz Foo Bar); |
| 49 | 61 |
| 62 our %CTOR = ( | |
| 63 Foo => undef, | |
| 64 Bar => undef | |
| 65 ); | |
| 66 | |
| 67 sub CTOR { | |
| 68 my ($this,%args) = @_; | |
| 69 | |
| 70 print "Composite: $args{Text}\n"; | |
| 71 } | |
| 72 | |
| 73 package main; | |
| 74 | |
| 75 my $obj = new Composite( | |
| 76 Text => 'Hello World!', | |
| 77 Mazzi => 'Mazzi', | |
| 78 Fugi => 'Fugi' | |
| 79 ); | |
| 80 | |
| 81 # will print | |
| 82 # | |
| 83 # Foo: Mazzi | |
| 84 # Bar: Fugi | |
| 85 # Bar: | |
| 86 # Composite: Hello World! | |
| 87 | |
| 64 | 88 =end code |
| 89 | |
| 53 | 90 =head1 Description |
| 91 | |
| 180 | 92 Базовый класс для объектов, основанных на хеше. |
| 49 | 93 |
| 53 | 94 =head1 Members |
| 49 | 95 |
| 53 | 96 =over |
| 49 | 97 |
| 98 =item operator C<new>(@args) | |
| 99 | |
| 180 | 100 Создает экземпляр объекта и вызывает конструктор с параметрами @args. |
| 49 | 101 |
| 102 =item operator C<surrogate>() | |
| 103 | |
| 180 | 104 Создает неинициализированный экземпляр объекта. |
| 49 | 105 |
| 106 =back | |
| 107 | |
| 53 | 108 =head1 Cavearts |
| 49 | 109 |
| 180 | 110 Нужно заметить, что директива C<use parent> работает не совсем прозрачно, если в нашем примере |
| 111 класс C<Composite> наследуется от C<Baz>, а затем C<Foo>, то наследование от | |
| 112 C<Foo> не произойдет поскольку он уже имеется в C<Baz>. Вот не задача:) | |
| 49 | 113 |
| 114 =cut |