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1 use strict;
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2 package IMPL::SQL::Schema::Column;
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3 use base qw(IMPL::Object IMPL::Object::Autofill);
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4
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5 use IMPL::Class::Property;
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6 use IMPL::Class::Property::Direct;
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7
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8 BEGIN {
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9 public _direct property Name => prop_get;
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10 public _direct property Type => prop_get;
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11 public _direct property CanBeNull => prop_get;
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12 public _direct property DefaultValue => prop_get;
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13 public _direct property Tag => prop_get;
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14 }
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15
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16 __PACKAGE__->PassThroughArgs;
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17
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18 sub CTOR {
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19 my $this = shift;
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20
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21 $this->{$Name} or die new IMPL::InvalidArgumentException('a column name is required');
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22 $this->{$CanBeNull} = 0 if not exists $this->{$CanBeNull};
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23 UNIVERSAL::isa($this->{$Type},'IMPL::SQL::Schema::Type') or die new IMPL::InvalidArgumentException('a type is required for the column',$this->{$Name});
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24 }
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25
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26 sub isEqualsStr {
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27 my ($a,$b) = @_;
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28
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29 if (defined $a and defined $b) {
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30 return $a eq $b;
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31 } else {
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32 if (defined $a or defined $b) {
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33 return 0;
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34 } else {
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35 return 1;
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36 }
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37 }
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38 }
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39
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40 sub isEquals {
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41 my ($a,$b) = @_;
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42
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43 if (defined $a and defined $b) {
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44 return $a == $b;
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45 } else {
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46 if (defined $a or defined $b) {
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47 return 0;
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48 } else {
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49 return 1;
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50 }
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51 }
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52 }
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53
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54 sub isSame {
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55 my ($this,$other) = @_;
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56
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57 return ($this->{$Name} eq $other->{$Name} and $this->{$CanBeNull} == $other->{$CanBeNull} and isEqualsStr($this->{$DefaultValue}, $other->{$DefaultValue}) and $this->{$Type}->isSame($other->{$Type}));
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58 }
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59
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60 1;
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