annotate Lib/IMPL/SQL/Schema/Constraint/ForeignKey.pm @ 96:4c55aed00ff2

Minor changes
author wizard
date Fri, 30 Apr 2010 15:03:38 +0400
parents 16ada169ca75
children 76515373dac0
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: 33
diff changeset
1 package IMPL::SQL::Schema::Constraint::ForeignKey;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
2 use strict;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
3 use base qw(IMPL::SQL::Schema::Constraint);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
4 use IMPL::Class::Property;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
5 use IMPL::Class::Property::Direct;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
6
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
7 BEGIN {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
8 public _direct property ReferencedPrimaryKey => prop_get;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
9 public _direct property OnDelete => prop_get;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
10 public _direct property OnUpdate => prop_get;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
11 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
12
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
13 __PACKAGE__->PassThroughArgs;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
14
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
15 sub CTOR {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
16 my ($this,%args) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
17
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
18 die new Eexception("Referenced table must be an instance of a table object") if not UNIVERSAL::isa($args{'ReferencedTable'},'IMPL::SQL::Schema::Table');
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
19
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
20 die new Exception("Referenced columns must be a not empty list of columns") if not UNIVERSAL::isa($args{'ReferencedColumns'},'ARRAY') or not scalar(@{$args{'ReferencedColumns'}});
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
21
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
22 my @ReferencedColumns = map {IMPL::SQL::Schema::Constraint::ResolveColumn($args{'ReferencedTable'},$_)} @{$args{'ReferencedColumns'}};
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
23 my $ForeingPK = $args{'ReferencedTable'}->PrimaryKey or die new Exception('The referenced table doesn\'t have a primary key');
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
24
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
25 scalar (@ReferencedColumns) == scalar(@{$this->Columns}) or die new Exception('A foreing key columns doesn\'t match refenced columns');
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
26 my @ColumnsCopy = @ReferencedColumns;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
27
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
28 die new Exception('A foreing key columns doesn\'t match refenced columns') if grep { not $_->Type->isSame((shift @ColumnsCopy)->Type)} @{$this->Columns};
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
29
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
30 @ColumnsCopy = @ReferencedColumns;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
31 die new Exception('The foreign key must match to the primary key of the referenced table',$this->Name) if grep { not $_->Type->isSame(shift(@ColumnsCopy)->Type)} @{$ForeingPK->Columns};
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
32
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
33 $this->{$ReferencedPrimaryKey} = $ForeingPK;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
34
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
35 $ForeingPK->ConnectFK($this);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
36 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
37
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
38 sub Dispose {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
39 my ($this) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
40
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
41 $this->{$ReferencedPrimaryKey}->DisconnectFK($this) if not $this->{$ReferencedPrimaryKey}->isDisposed;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
42 delete $this->{$ReferencedPrimaryKey};
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
43
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
44 $this->SUPER::Dispose;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
45 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
46
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
47 sub isSame {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
48 my ($this,$other) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
49
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
50 uc $this->OnDelete eq uc $other->OnDelete or return 0;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
51 uc $this->OnUpdate eq uc $other->OnUpdate or return 0;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
52
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
53 return $this->SUPER::isSame($other);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
54 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
55
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
56
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
57
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 33
diff changeset
58 1;