annotate Lib/IMPL/ORM/Object.pm @ 96:4c55aed00ff2

Minor changes
author wizard
date Fri, 30 Apr 2010 15:03:38 +0400
parents 16ada169ca75
children 4267a2ac3d46
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
49
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
1 package IMPL::ORM::Object;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
2 use strict;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
3 use warnings;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
4
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
5 use base qw(IMPL::Object);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
6 use IMPL::Class::Property;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
7 use IMPL::Class::Property::Direct;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
8
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
9 require IMPL::ORM::Entity;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
10 require IMPL::ORM::Schema::Entity;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
11 require IMPL::ORM::Schema::Field;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
12 require IMPL::ORM::Schema::Relation::HasMany;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
13 require IMPL::ORM::Schema::Relation::HasOne;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
14 require IMPL::ORM::Schema::Relation::Subclass;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
15
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
16 BEGIN {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
17 private _direct property _entities => prop_all;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
18 public property objectType => prop_all, {type => 'String'};
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
19
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
20 sub _PropertyImplementor {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
21 'IMPL::ORM::PropertyImplementor'
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
22 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
23 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
24
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
25 my %schemaCache;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
26
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
27 sub CTOR {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
28 my ($this) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
29
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
30 while ( my ($class,$schema) = $this->ormGetSchema ) {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
31 $this->{$_entities}{$class} = new IMPL::ORM::Entity($class,$schema);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
32 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
33 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
34
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
35 sub ormStore {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
36 my ($this,$class,$prop,$value) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
37
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
38 die IMPL::InvalidOperationException("Cannot find entity for the specified class",$class) unless $this->{$_entities}{$class};
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
39
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
40 $this->{$_entities}{$class}->Store($prop,$value);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
41 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
42
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
43 sub ormGet {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
44 my ($this,$class,$prop,$value) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
45
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
46 return $this->{$_entities}{$class} ? $this->{$_entities}{$class}->Get($prop,$value) : undef;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
47 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
48
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
49 sub entityName {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
50 (my $self = ref $_[0] || $_[0]) =~ s/^.*?(\w+)$/$1/;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
51 return $self;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
52 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
53
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
54 sub ormGetSchema {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
55 my ($self,$dataSchema,$surrogate) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
56
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
57 my $schema = $surrogate || IMPL::ORM::Schema::Entity->new($self->entityName);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
58
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
59 # для текущего класса, проходим по всем свойствам
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
60 foreach my $ormProp (
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
61 $self->get_meta(
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
62 'IMPL::Class::PropertyInfo',
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
63 sub {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
64 UNIVERSAL::isa($_->Implementor, 'IMPL::ORM::PropertyImplementor' )
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
65 },
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
66 0
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
67 )
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
68 ){
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
69 if ($ormProp->Mutators & prop_list) {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
70 # отношение 1 ко многим
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
71 my $type = $dataSchema->resolveType($ormProp->Type) or die new IMPL::InvalidOperationException("Failed to resolve a reference type due building schema for a class", $ormProp->Class, $ormProp->Name);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
72 $schema->appendChild( new IMPL::ORM::Schema::Relation::HasMany($ormProp->Name, $type->entityName) );
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
73 } elsif (my $type = $dataSchema->isValueType($ormProp->Type)) {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
74 # поле
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
75 $schema->appendChild( new IMPL::ORM::Schema::Field($ormProp->Name,$ormProp->Type) );
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
76 } elsif (my $entity = $dataSchema->resolveType($ormProp->Type)) {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
77 # отношение ссылка
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
78 $schema->appendChild( new IMPL::ORM::Schema::Relation::HasOne($ormProp->Name,$entity->entityName));
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
79 } else {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
80 # хз что. Скорее всего не удалось квалифицировать тип свойства не как ссылочный и как поле.
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
81 die new IMPL::Exception('Uexpected error due building schema for a class', $ormProp->Class, $ormProp->Name,$ormProp->Type);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
82 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
83 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
84
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
85 # Формируем отношения наследования
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
86 {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
87 # локализуем прагму
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
88 no strict 'refs';
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
89
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
90 my $class = ref $self || $self;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
91
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
92 # по всем классам
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
93 foreach my $super (grep $_->isa(__PACKAGE__), @{"${class}::ISA"}) {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
94 my $type = $dataSchema->resolveType($super) or die new IMPL::InvalidOperationException("Failed to resolve a super class due building schema for a class", $class, $super);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
95 $schema->appendChild(new IMPL::ORM::Schema::Relation::Subclass($type));
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
96 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
97 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
98
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
99 return $schema;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
100 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
101
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
102 1;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
103
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
104 __END__
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
105
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
106 =pod
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
107
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
108 =head1 DESCRIPTION
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
109
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
110 Базовый объект для реляционного отображения,
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
111 содержит в себе реляционные записи представляющие данный объект.
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
112
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
113 Каждый класс отображается в определенную сущность. Сущности хранят
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
114 состояние объектов в том виде в котором удобно записывать в реляционную базу.
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
115
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
116 =cut