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407
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1 package IMPL::SQL::Schema::Constraint::PrimaryKey;
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2 use strict;
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3 use parent qw(IMPL::SQL::Schema::Constraint::Index);
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4 use IMPL::Class::Property;
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5
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6 __PACKAGE__->PassThroughArgs;
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7 __PACKAGE__->RegisterAlias('pk');
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8
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9 BEGIN {
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10 public _direct property connectedFK => prop_get;
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11 }
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12
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13 sub CTOR {
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14 my ($this,%args) = @_;
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15
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16 $this->{$connectedFK} = {};
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17 }
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18
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19 sub ConnectFK {
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20 my ($this,$FK) = @_;
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21
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22 UNIVERSAL::isa($FK,'IMPL::SQL::Schema::Constraint::ForeignKey') or die new Exception('Aprimary key could be connected only to a foreign key');
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23 not exists $this->{$connectedFK}->{$FK->uniqName} or die new Exception('This primary key already conneted with the specified foreing key',$FK->name,$FK->table->name);
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24
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25 $this->{$connectedFK}->{$FK->uniqName} = $FK;
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26 }
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27
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28 sub DisconnectFK {
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29 my ($this,$FK) = @_;
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30
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31 delete $this->{$connectedFK}->{$FK->uniqName};
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32 }
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33
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34 sub Dispose {
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35 my ($this) = @_;
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36
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37 delete $this->{$connectedFK};
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38
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39 $this->SUPER::Dispose;
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40 }
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41
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42 1;
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