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49
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1 package Schema::DB::Constraint::PrimaryKey;
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2 use strict;
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3 use Common;
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4 use base qw(Schema::DB::Constraint::Index);
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5
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6 BEGIN {
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7 DeclareProperty ConnectedFK => ACCESS_READ;
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8 }
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9
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10 sub CTOR {
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11 my ($this,%args) = @_;
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12
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13 $this->SUPER::CTOR(%args);
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14
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15 $this->{$ConnectedFK} = {};
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16 }
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17
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18 sub ConnectFK {
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19 my ($this,$FK) = @_;
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20
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21 UNIVERSAL::isa($FK,'Schema::DB::Constraint::ForeignKey') or die new Exception('Aprimary key could be connected only to a foreign key');
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22 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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23
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24 $this->{$ConnectedFK}->{$FK->UniqName} = $FK;
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25 }
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26
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27 sub DisconnectFK {
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28 my ($this,$FK) = @_;
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29
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30 delete $this->{$ConnectedFK}->{$FK->UniqName};
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31 }
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32
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33 sub Dispose {
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34 my ($this) = @_;
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35
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36 delete $this->{$ConnectedFK};
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37 $this->SUPER::Dispose;
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38 }
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39
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40 1;
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