/[cvs]/nfo/perl/libs/Data/Storage/Handler/Tangram.pm
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revision 1.16 by joko, Wed Dec 11 06:54:10 2002 UTC revision 1.22 by jonen, Wed Dec 18 22:28:16 2002 UTC
# Line 3  Line 3 
3  #  $Id$  #  $Id$
4  #  #
5  #  $Log$  #  $Log$
6    #  Revision 1.22  2002/12/18 22:28:16  jonen
7    #  + added extended logging at 'getObjectByGuid()'
8    #
9    #  Revision 1.21  2002/12/16 22:20:49  jonen
10    #  + fixed bug at 'getObjectByGuid()'
11    #
12    #  Revision 1.20  2002/12/16 20:49:17  jonen
13    #  + added sub 'getObjectByGuid()'
14    #  + added functionality to use 'getObjectByGuid' at 'getObjectAsHash()'
15    #
16    #  Revision 1.19  2002/12/16 06:46:09  joko
17    #  + attempt to introduce a generic '_patchSchema' - cancelled!
18    #
19    #  Revision 1.18  2002/12/13 21:48:07  joko
20    #  + fix to 'sub sendQuery'
21    #
22    #  Revision 1.17  2002/12/12 02:51:09  joko
23    #  + cosmetics
24    #
25  #  Revision 1.16  2002/12/11 06:54:10  joko  #  Revision 1.16  2002/12/11 06:54:10  joko
26  #  + fix: encapsulated object-loading inside an 'eval'  #  + fix: encapsulated object-loading inside an 'eval'
27  #  #
# Line 115  sub _initSchema { Line 134  sub _initSchema {
134      $logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" );      $logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" );
135      return 0;      return 0;
136    }    }
137      #$self->_patchSchema();
138    return 1;    return 1;
139  }  }
140    
141    sub _patchSchema {
142      my $self = shift;
143      foreach (keys %{$schema_tangram->{classes}}) {
144        next if $schema_tangram->{classes}->{$_}->{abstract};
145        #next if ($_ ne 'TsBankAccount');
146        #$_ ne 'AbstractAccount' &&
147        print "class: $_", "\n";
148    #print Dumper($schema_tangram->{classes}->{$_});
149        # create new string property named 'guid'
150        my $tstring = Tangram::String->new();
151        $tstring->{name} = $tstring->{col} = 'guid';
152        # inject property into schema
153        #$schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}->{string}->{$tstring->{name}} = $tstring;
154        print Dumper($schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields});
155      }
156    }
157    
158  sub connect {  sub connect {
159    
160      my $self = shift;      my $self = shift;
# Line 426  sub createCursor { Line 463  sub createCursor {
463    
464  sub createSet {  sub createSet {
465    my $self = shift;    my $self = shift;
466    #print "-" x 80, "\n";
467    #print Dumper(@_);
468    my @objects = @_;    my @objects = @_;
469    my $rh = Set::Object->new();    my $rh = Set::Object->new();
470    foreach (@objects) {    foreach (@objects) {
471      #print Dumper($_);      if (!isEmpty($_)) {
472      $rh->insert($_) if !isEmpty($_);  #print Dumper($_);
473          $rh->insert($_);
474        }
475    }    }
476    #print Dumper($rh->members());    #print Dumper($rh->members());
477    my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh );    my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh );
# Line 454  sub sendQuery { Line 495  sub sendQuery {
495      my $ident = $query->{criterias}->[0]->{val};      my $ident = $query->{criterias}->[0]->{val};
496  #print "load obj", "\n";  #print "load obj", "\n";
497      #return $self->createSet() if $ident == 5;      #return $self->createSet() if $ident == 5;
498        $self->{_COREHANDLE}->unload($ident);
499      my $object = $self->{_COREHANDLE}->load($ident);      my $object = $self->{_COREHANDLE}->load($ident);
500  #print "get id", "\n";  #print "get id", "\n";
501      my $oid = $self->{_COREHANDLE}->id($object);      my $oid = $self->{_COREHANDLE}->id($object);
502    #print Dumper($object);
503    #print "oid: $oid", "\n";
504      return $self->createSet($object);      return $self->createSet($object);
505      #return $self->createSet( $self->{COREHANDLE}->load('300090018') );      #return $self->createSet( $self->{COREHANDLE}->load('300090018') );
506    }    }
# Line 503  sub getObject { Line 547  sub getObject {
547    
548    # TODO: create a deep_unload method (currently _all_ objects are unloaded)    # TODO: create a deep_unload method (currently _all_ objects are unloaded)
549    # unload($oid) will only unload object, not deep object hashes    # unload($oid) will only unload object, not deep object hashes
550    $self->{_COREHANDLE}->unload() if($options->{destroy});    $self->{_COREHANDLE}->unload() if ($options->{destroy});
551    
552    # TODO: review this    # TODO: review this
553    #if (!$self->{COREHANDLE}) { return; }    #if (!$self->{COREHANDLE}) { return; }
# Line 515  sub getObject { Line 559  sub getObject {
559    return $object if $object;    return $object if $object;
560  }  }
561    
562    sub getObjectByGuid {
563      my $self = shift;
564      my $guid = shift;
565      my $options = shift;
566      
567      # Guid and Classname is needed
568      if(!$guid || !$options->{classname}) {
569       $logger->error( __PACKAGE__ . "->getObjectByGuid: No 'guid' OR no Classname in options hash was given but needed!" );
570        return;
571      }
572      
573      # TODO: create a deep_unload method (currently _all_ objects are unloaded)
574      # unload($oid) will only unload object, not deep object hashes
575      $self->{_COREHANDLE}->unload() if ($options->{destroy});
576    
577      # search for object with given Classname and Guid
578      my $obj_tmp = $self->{_COREHANDLE}->remote($options->{classname});
579      my @result = $self->{_COREHANDLE}->select($obj_tmp, $obj_tmp->{guid} eq $guid);
580      
581      # we searched for global unique identifer of some object,
582      # so I think we can trust there would be only one result
583      if($result[0]) {
584        return $result[0];
585      } else {
586        $logger->error( __PACKAGE__ . "->getObjectByGuid: No Object with Classname $options->{classname} and GUID $guid found!" );
587        return;
588      }
589      
590    }
591    
592  sub getObjectAsHash {  sub getObjectAsHash {
593    my $self = shift;    my $self = shift;
594    my $oid = shift;    my $oid = shift;
595    my $options = shift;    my $options = shift;  
596    my $obj = $self->getObject($oid, $options);    my $obj;
597      
598      if($options->{guid}) {
599        $obj = $self->getObjectByGuid($oid, $options);
600      } else {
601        $obj = $self->getObject($oid, $options);
602      }
603        
604    # build options (a callback to unload autovivified objects) for 'expand'    # build options (a callback to unload autovivified objects) for 'expand'
605    # TODO: use $logger to write to debug here!    # TODO: use $logger to write to debug here!
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