/[cvs]/nfo/perl/libs/Data/Storage/Handler/Tangram.pm
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revision 1.15 by joko, Thu Dec 5 13:55:21 2002 UTC revision 1.19 by joko, Mon Dec 16 06:46:09 2002 UTC
# Line 3  Line 3 
3  #  $Id$  #  $Id$
4  #  #
5  #  $Log$  #  $Log$
6    #  Revision 1.19  2002/12/16 06:46:09  joko
7    #  + attempt to introduce a generic '_patchSchema' - cancelled!
8    #
9    #  Revision 1.18  2002/12/13 21:48:07  joko
10    #  + fix to 'sub sendQuery'
11    #
12    #  Revision 1.17  2002/12/12 02:51:09  joko
13    #  + cosmetics
14    #
15    #  Revision 1.16  2002/12/11 06:54:10  joko
16    #  + fix: encapsulated object-loading inside an 'eval'
17    #
18  #  Revision 1.15  2002/12/05 13:55:21  joko  #  Revision 1.15  2002/12/05 13:55:21  joko
19  #  + now utilizing 'object2hash' instead of 'var_deref'  #  + now utilizing 'object2hash' instead of 'var_deref'
20  #  + played around with having fresh-objects - no progress....  #  + played around with having fresh-objects - no progress....
# Line 112  sub _initSchema { Line 124  sub _initSchema {
124      $logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" );      $logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" );
125      return 0;      return 0;
126    }    }
127      #$self->_patchSchema();
128    return 1;    return 1;
129  }  }
130    
131    sub _patchSchema {
132      my $self = shift;
133      foreach (keys %{$schema_tangram->{classes}}) {
134        next if $schema_tangram->{classes}->{$_}->{abstract};
135        #next if ($_ ne 'TsBankAccount');
136        #$_ ne 'AbstractAccount' &&
137        print "class: $_", "\n";
138    #print Dumper($schema_tangram->{classes}->{$_});
139        # create new string property named 'guid'
140        my $tstring = Tangram::String->new();
141        $tstring->{name} = $tstring->{col} = 'guid';
142        # inject property into schema
143        #$schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}->{string}->{$tstring->{name}} = $tstring;
144        print Dumper($schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields});
145      }
146    }
147    
148  sub connect {  sub connect {
149    
150      my $self = shift;      my $self = shift;
# Line 423  sub createCursor { Line 453  sub createCursor {
453    
454  sub createSet {  sub createSet {
455    my $self = shift;    my $self = shift;
456    #print "-" x 80, "\n";
457    #print Dumper(@_);
458    my @objects = @_;    my @objects = @_;
459    my $rh = Set::Object->new();    my $rh = Set::Object->new();
460    foreach (@objects) {    foreach (@objects) {
461      #print Dumper($_);      if (!isEmpty($_)) {
462      $rh->insert($_) if !isEmpty($_);  #print Dumper($_);
463          $rh->insert($_);
464        }
465    }    }
466    #print Dumper($rh->members());    #print Dumper($rh->members());
467    my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh );    my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh );
# Line 451  sub sendQuery { Line 485  sub sendQuery {
485      my $ident = $query->{criterias}->[0]->{val};      my $ident = $query->{criterias}->[0]->{val};
486  #print "load obj", "\n";  #print "load obj", "\n";
487      #return $self->createSet() if $ident == 5;      #return $self->createSet() if $ident == 5;
488        $self->{_COREHANDLE}->unload($ident);
489      my $object = $self->{_COREHANDLE}->load($ident);      my $object = $self->{_COREHANDLE}->load($ident);
490  #print "get id", "\n";  #print "get id", "\n";
491      my $oid = $self->{_COREHANDLE}->id($object);      my $oid = $self->{_COREHANDLE}->id($object);
492    #print Dumper($object);
493    #print "oid: $oid", "\n";
494      return $self->createSet($object);      return $self->createSet($object);
495      #return $self->createSet( $self->{COREHANDLE}->load('300090018') );      #return $self->createSet( $self->{COREHANDLE}->load('300090018') );
496    }    }
# Line 497  sub getObject { Line 534  sub getObject {
534    my $self = shift;    my $self = shift;
535    my $oid = shift;    my $oid = shift;
536    my $options = shift;    my $options = shift;
537    # TODO: create a deep_unload method  
538      # TODO: create a deep_unload method (currently _all_ objects are unloaded)
539    # unload($oid) will only unload object, not deep object hashes    # unload($oid) will only unload object, not deep object hashes
540    $self->{_COREHANDLE}->unload() if($options->{destroy});    $self->{_COREHANDLE}->unload() if ($options->{destroy});
541    
542    # TODO: review this    # TODO: review this
543    #if (!$self->{COREHANDLE}) { return; }    #if (!$self->{COREHANDLE}) { return; }
544    return $self->{_COREHANDLE}->load($oid);  
545      # TODO: review this
546      my $object = eval('$self->{_COREHANDLE}->load($oid);');
547      print $@, "\n" if $@;
548    
549      return $object if $object;
550  }  }
551    
552  sub getObjectAsHash {  sub getObjectAsHash {
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