Mercurial > pub > Impl
annotate Lib/IMPL/Object.pm @ 308:47a09a8dc23a
sync
| author | sergey |
|---|---|
| date | Thu, 18 Apr 2013 20:06:05 +0400 |
| parents | 4ddb27ff4a0b |
| children |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::Object; |
| 2 use strict; | |
| 3 | |
| 165 | 4 use parent qw(IMPL::Object::Abstract); |
| 278 | 5 use IMPL::require { |
| 6 ClassPropertyImplementor => 'IMPL::Code::DirectPropertyImplementor' | |
| 7 }; | |
| 49 | 8 |
| 9 sub surrogate { | |
| 10 bless {}, ref $_[0] || $_[0]; | |
| 11 } | |
| 12 | |
| 13 sub new { | |
| 14 my $class = shift; | |
| 15 my $self = bless {}, ref($class) || $class; | |
| 16 $self->callCTOR(@_); | |
| 17 | |
| 18 $self; | |
| 19 } | |
| 20 | |
| 53 | 21 1; |
| 22 | |
| 23 __END__ | |
| 24 | |
| 49 | 25 =pod |
| 53 | 26 |
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27 =head1 SINOPSYS |
| 49 | 28 |
| 64 | 29 =begin code |
| 30 | |
| 49 | 31 package Foo; |
| 165 | 32 use parent qw(IMPL::Object); |
| 49 | 33 |
| 34 sub CTOR { | |
| 35 my ($this,$arg) = @_; | |
| 36 print "Foo: $arg\n"; | |
| 37 } | |
| 38 | |
| 39 package Bar; | |
| 165 | 40 use parent qw(IMPL::Object); |
| 49 | 41 |
| 42 sub CTOR { | |
| 43 my ($this,$arg) = @_; | |
| 44 print "Bar: $arg\n"; | |
| 45 } | |
| 46 | |
| 47 package Baz; | |
| 165 | 48 use parent qw(Foo Bar); |
| 49 | 49 |
| 50 our %CTOR = ( | |
| 51 Foo => sub { my %args = @_; $args{Mazzi}; }, | |
| 52 Bar => sub { my %args = @_; $args{Fugi}; } | |
| 53 ); | |
| 54 | |
| 55 package Composite; | |
| 165 | 56 use parent qw(Baz Foo Bar); |
| 49 | 57 |
| 58 our %CTOR = ( | |
| 59 Foo => undef, | |
| 60 Bar => undef | |
| 61 ); | |
| 62 | |
| 63 sub CTOR { | |
| 64 my ($this,%args) = @_; | |
| 65 | |
| 66 print "Composite: $args{Text}\n"; | |
| 67 } | |
| 68 | |
| 69 package main; | |
| 70 | |
| 71 my $obj = new Composite( | |
| 72 Text => 'Hello World!', | |
| 73 Mazzi => 'Mazzi', | |
| 74 Fugi => 'Fugi' | |
| 75 ); | |
| 76 | |
| 77 # will print | |
| 78 # | |
| 79 # Foo: Mazzi | |
| 80 # Bar: Fugi | |
| 81 # Bar: | |
| 82 # Composite: Hello World! | |
| 83 | |
| 64 | 84 =end code |
| 85 | |
| 53 | 86 =head1 Description |
| 87 | |
| 180 | 88 Базовый класс для объектов, основанных на хеше. |
| 49 | 89 |
| 53 | 90 =head1 Members |
| 49 | 91 |
| 53 | 92 =over |
| 49 | 93 |
| 94 =item operator C<new>(@args) | |
| 95 | |
| 180 | 96 Создает экземпляр объекта и вызывает конструктор с параметрами @args. |
| 49 | 97 |
| 98 =item operator C<surrogate>() | |
| 99 | |
| 180 | 100 Создает неинициализированный экземпляр объекта. |
| 49 | 101 |
| 102 =back | |
| 103 | |
| 53 | 104 =head1 Cavearts |
| 49 | 105 |
| 180 | 106 Нужно заметить, что директива C<use parent> работает не совсем прозрачно, если в нашем примере |
| 107 класс C<Composite> наследуется от C<Baz>, а затем C<Foo>, то наследование от | |
| 108 C<Foo> не произойдет поскольку он уже имеется в C<Baz>. Вот не задача:) | |
| 49 | 109 |
| 110 =cut |