annotate Lib/DOM/Site.pm @ 30:dd4d72600c69

ORM in works
author Sergey
date Tue, 03 Nov 2009 16:31:47 +0300
parents 03e58a454b20
children 16ada169ca75
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1 package DOM::Site;
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2 use strict;
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3 use Common;
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4 our @ISA = qw(Object);
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5
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6 our $Name;
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7 our @Providers;
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8 our $AUTOLOAD;
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9
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10 BEGIN {
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11 DeclareProperty(Objects => ACCESS_READ);
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12 DeclareProperty(Providers => ACCESS_NONE);
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13 }
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14
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15 sub RegisterObject {
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16 my ($this,$name,$object) = @_;
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17
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18 $this->{$Objects}->{$name} = $object;
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19 }
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20
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21 sub RegisterProvider {
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22 my ($this,$provider) = @_;
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23
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24 my $refInfo = $provider->GetProviderInfo();
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25
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26 if ($refInfo->{'Host'} eq __PACKAGE__) {
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27 die new Exception("Provider $refInfo->{'Name'} already registered") if exists $this->{$Providers}->{$refInfo->{'Name'}};
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28 while (my ($name,$method) = each %{$refInfo->{'Methods'}}) {
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29 no strict 'refs';
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30 no warnings 'redefine';
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31 *{__PACKAGE__ . '::' . $name} = sub {
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32 shift;
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33 $method->($provider,$this,@_);
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34 };
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35 }
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36
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37 while (my ($name,$object) = each %{$refInfo->{'Objects'}}) {
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38 $this->{$Objects}->{$refInfo->{'Name'}}->{$name} = $object;
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39 }
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40
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41 $this->{$Providers}->{$refInfo->{'Name'}} = 1;
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42 }
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43 }
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44
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45 sub construct {
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46 my $self = shift;
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47
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48 my $site = $self->new();
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49 $site->RegisterObject(Site => { Name => $Name});
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50 foreach my $provider (@Providers) {
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51 my $providerFile = $provider;
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52 $providerFile =~ s/::/\//g;
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53 $providerFile .= '.pm';
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54 eval {
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55 require $providerFile;
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56 };
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57 if ($@) {
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58 my $InnerErr = $@;
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59 die new Exception("Failed to load provider $provider", $InnerErr);
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60 }
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61 if ($provider->can('construct')) {
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62 $site->RegisterProvider($provider->construct());
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63 } else {
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64 $site->RegisterProvider($provider);
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65 }
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66 }
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67 return $site;
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68 }
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69
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70 sub Dispose {
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71 my ($this) = @_;
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72
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73 UNIVERSAL::can($_,'Dispose') and $_->Dispose foreach values %{$this->{$Objects} || {}};
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74
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75 undef %$this;
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76
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77 $this->SUPER::Dispose;
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78 }
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79
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80 1;