/[cvs]/nfo/perl/libs/Data/Storage/Schema/Abstract.pm
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revision 1.3 by joko, Sat Nov 9 01:27:23 2002 UTC revision 1.6 by jonen, Sun Nov 17 07:21:47 2002 UTC
# Line 3  Line 3 
3  #  $Id$  #  $Id$
4  #  #
5  #  $Log$  #  $Log$
6    #  Revision 1.6  2002/11/17 07:21:47  jonen
7    #  + using Class::Tangram::import_schema() again for proper usage of its helper functions
8    #
9    #  Revision 1.5  2002/11/17 07:12:06  joko
10    #  + extended ::getProperties with argument "want_transactions"
11    #
12    #  Revision 1.4  2002/11/15 13:21:39  joko
13    #  + added capability to propagate global schema options from schema module to tangram schema
14    #
15  #  Revision 1.3  2002/11/09 01:27:23  joko  #  Revision 1.3  2002/11/09 01:27:23  joko
16  #  + dependency of Class::Tangram now is 1.13 at minimum  #  + dependency of Class::Tangram now is 1.13 at minimum
17  #  #
# Line 44  package Data::Storage::Schema::Abstract; Line 53  package Data::Storage::Schema::Abstract;
53      my @args = ();      my @args = ();
54      @_ && (@args = @_);      @_ && (@args = @_);
55            
56        $logger->debug( __PACKAGE__ . "->new" );
57    
58      #my $self = { @_ };      #my $self = { @_ };
59    
60      # merge all entries from all hashes in args-array to single array (key, val, key, val)      # merge all entries from all hashes in args-array to single array (key, val, key, val)
# Line 52  package Data::Storage::Schema::Abstract; Line 63  package Data::Storage::Schema::Abstract;
63      # make hash from array      # make hash from array
64      my %args = @args_all;      my %args = @args_all;
65    
66      $logger->debug( __PACKAGE__ . "->new( @args_all )" );      #$logger->debug( __PACKAGE__ . "->new( @args_all )" );
67            
68      my $self = { %args };      my $self = { %args };
69      bless $self, $class;      bless $self, $class;
70    
71        #use Data::Dumper; print Dumper($self);
72    
73      # remember as which Class we are instantiated      # remember as which Class we are instantiated
74      $self->{invocant} = $invocant;      $self->{invocant} = $invocant;
75    
# Line 136  package Data::Storage::Schema::Abstract; Line 149  package Data::Storage::Schema::Abstract;
149        $classlist = $packages;        $classlist = $packages;
150      }      }
151            
152        my $schema_properties = {};
153        if ($self->{invocant}->can('getProperties')) {
154          # TODO: rework this! call by ref and/or do oo
155          #$schema_properties = eval('return ' . $self->{invocant} . '::getProperties();');
156          $schema_properties = eval('return ' . $self->{invocant} . '::getProperties($self->{want_transactions});');
157        }
158        
159      # build argument to be passed to "Tangram::Schema->new(...)"      # build argument to be passed to "Tangram::Schema->new(...)"
160      my @classes;      my @classes;
161      map {      map {
162        $logger->debug( __PACKAGE__ . "->_doinit: Initializing Class $_" );        $logger->debug( __PACKAGE__ . "->_doinit: Initializing Class $_" );
163          Class::Tangram::import_schema($_);
164        # classname        # classname
165        push @classes, $_;        push @classes, $_;
166        # schema        # schema
# Line 149  package Data::Storage::Schema::Abstract; Line 170  package Data::Storage::Schema::Abstract;
170        push @classes, $schema;        push @classes, $schema;
171      } @{$classlist};      } @{$classlist};
172    
173        # build up the schema as a hash
174        my $schema = {
175          classes => \@classes,
176        };
177        
178        # merge schema properties
179        foreach (keys %$schema_properties) {
180          $schema->{$_} = $schema_properties->{$_};
181        }
182        
183      # create a new Tangram schema object      # create a new Tangram schema object
184      # these classes must occour in the same order used at a previous setup      # a) these classes must occour in the same order used at a previous setup or
185      $self->{schema} = Tangram::Schema->new({ classes => \@classes });          # b) better use class ids!
186        $self->{schema} = Tangram::Schema->new($schema);
187      return 1;      return 1;
188            
189    =pod
190      # ======================================      # ======================================
191      # template      # schema template
192      $self->{schema} = Tangram::Schema->new({      $self->{schema} = Tangram::Schema->new({
193    
194          classes => [          classes => [
       
195            # misc            # misc
196              'SystemEvent' => $SystemEvent::schema,              'Person' => $Person::schema,
       
197          ],          ],
198    
199            make_object => sub { ... },
200            set_id => sub { ... }
201            get_id => sub { ... }
202            normalize => sub { ... },
203    
204            control => '...'
205    
206            sql => { ... },
207    
208        });        });
209      # ======================================      # ======================================
210    =cut
211    
212    }    }
213        
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