/[cvs]/nfo/perl/libs/Data/Storage/Handler/Tangram.pm
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revision 1.17 by joko, Thu Dec 12 02:51:09 2002 UTC revision 1.23 by joko, Thu Dec 19 16:31:53 2002 UTC
# Line 3  Line 3 
3  #  $Id$  #  $Id$
4  #  #
5  #  $Log$  #  $Log$
6    #  Revision 1.23  2002/12/19 16:31:53  joko
7    #  +- renamed sub to 'rebuildDb'
8    #
9    #  Revision 1.22  2002/12/18 22:28:16  jonen
10    #  + added extended logging at 'getObjectByGuid()'
11    #
12    #  Revision 1.21  2002/12/16 22:20:49  jonen
13    #  + fixed bug at 'getObjectByGuid()'
14    #
15    #  Revision 1.20  2002/12/16 20:49:17  jonen
16    #  + added sub 'getObjectByGuid()'
17    #  + added functionality to use 'getObjectByGuid' at 'getObjectAsHash()'
18    #
19    #  Revision 1.19  2002/12/16 06:46:09  joko
20    #  + attempt to introduce a generic '_patchSchema' - cancelled!
21    #
22    #  Revision 1.18  2002/12/13 21:48:07  joko
23    #  + fix to 'sub sendQuery'
24    #
25  #  Revision 1.17  2002/12/12 02:51:09  joko  #  Revision 1.17  2002/12/12 02:51:09  joko
26  #  + cosmetics  #  + cosmetics
27  #  #
# Line 118  sub _initSchema { Line 137  sub _initSchema {
137      $logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" );      $logger->error( __PACKAGE__ . "->_initSchema: No Schema available for $self->{schema}" );
138      return 0;      return 0;
139    }    }
140      #$self->_patchSchema();
141    return 1;    return 1;
142  }  }
143    
144    sub _patchSchema {
145      my $self = shift;
146      foreach (keys %{$schema_tangram->{classes}}) {
147        next if $schema_tangram->{classes}->{$_}->{abstract};
148        #next if ($_ ne 'TsBankAccount');
149        #$_ ne 'AbstractAccount' &&
150        print "class: $_", "\n";
151    #print Dumper($schema_tangram->{classes}->{$_});
152        # create new string property named 'guid'
153        my $tstring = Tangram::String->new();
154        $tstring->{name} = $tstring->{col} = 'guid';
155        # inject property into schema
156        #$schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields}->{string}->{$tstring->{name}} = $tstring;
157        print Dumper($schema_tangram->{classes}->{$_}->{root}->{SPECS}->[0]->{fields});
158      }
159    }
160    
161  sub connect {  sub connect {
162    
163      my $self = shift;      my $self = shift;
# Line 331  sub retreatSchema { Line 368  sub retreatSchema {
368    return $ok;    return $ok;
369  }  }
370    
371  sub rebuildDbAndSchema {  sub rebuildDb {
372    my $self = shift;    my $self = shift;
373    $logger->info( __PACKAGE__ . "->rebuildDbAndSchema()" );    $logger->info( __PACKAGE__ . "->rebuildDb()" );
374    my @results;    my @results;
375    
376    # sum up results (bool (0/1)) in array    # sum up results (bool (0/1)) in array
# Line 429  sub createCursor { Line 466  sub createCursor {
466    
467  sub createSet {  sub createSet {
468    my $self = shift;    my $self = shift;
469    #print "-" x 80, "\n";
470    #print Dumper(@_);
471    my @objects = @_;    my @objects = @_;
472    my $rh = Set::Object->new();    my $rh = Set::Object->new();
473    foreach (@objects) {    foreach (@objects) {
474      #print Dumper($_);      if (!isEmpty($_)) {
475      $rh->insert($_) if !isEmpty($_);  #print Dumper($_);
476          $rh->insert($_);
477        }
478    }    }
479    #print Dumper($rh->members());    #print Dumper($rh->members());
480    my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh );    my $result = Data::Storage::Result::Tangram->new( RESULTHANDLE => $rh );
# Line 457  sub sendQuery { Line 498  sub sendQuery {
498      my $ident = $query->{criterias}->[0]->{val};      my $ident = $query->{criterias}->[0]->{val};
499  #print "load obj", "\n";  #print "load obj", "\n";
500      #return $self->createSet() if $ident == 5;      #return $self->createSet() if $ident == 5;
501        $self->{_COREHANDLE}->unload($ident);
502      my $object = $self->{_COREHANDLE}->load($ident);      my $object = $self->{_COREHANDLE}->load($ident);
503  #print "get id", "\n";  #print "get id", "\n";
504      my $oid = $self->{_COREHANDLE}->id($object);      my $oid = $self->{_COREHANDLE}->id($object);
505    #print Dumper($object);
506    #print "oid: $oid", "\n";
507      return $self->createSet($object);      return $self->createSet($object);
508      #return $self->createSet( $self->{COREHANDLE}->load('300090018') );      #return $self->createSet( $self->{COREHANDLE}->load('300090018') );
509    }    }
# Line 518  sub getObject { Line 562  sub getObject {
562    return $object if $object;    return $object if $object;
563  }  }
564    
565    sub getObjectByGuid {
566      my $self = shift;
567      my $guid = shift;
568      my $options = shift;
569      
570      # Guid and Classname is needed
571      if(!$guid || !$options->{classname}) {
572       $logger->error( __PACKAGE__ . "->getObjectByGuid: No 'guid' OR no Classname in options hash was given but needed!" );
573        return;
574      }
575      
576      # TODO: create a deep_unload method (currently _all_ objects are unloaded)
577      # unload($oid) will only unload object, not deep object hashes
578      $self->{_COREHANDLE}->unload() if ($options->{destroy});
579    
580      # search for object with given Classname and Guid
581      my $obj_tmp = $self->{_COREHANDLE}->remote($options->{classname});
582      my @result = $self->{_COREHANDLE}->select($obj_tmp, $obj_tmp->{guid} eq $guid);
583      
584      # we searched for global unique identifer of some object,
585      # so I think we can trust there would be only one result
586      if($result[0]) {
587        return $result[0];
588      } else {
589        $logger->error( __PACKAGE__ . "->getObjectByGuid: No Object with Classname $options->{classname} and GUID $guid found!" );
590        return;
591      }
592      
593    }
594    
595  sub getObjectAsHash {  sub getObjectAsHash {
596    my $self = shift;    my $self = shift;
597    my $oid = shift;    my $oid = shift;
598    my $options = shift;    my $options = shift;  
599    my $obj = $self->getObject($oid, $options);    my $obj;
600      
601      if($options->{guid}) {
602        $obj = $self->getObjectByGuid($oid, $options);
603      } else {
604        $obj = $self->getObject($oid, $options);
605      }
606        
607    # build options (a callback to unload autovivified objects) for 'expand'    # build options (a callback to unload autovivified objects) for 'expand'
608    # TODO: use $logger to write to debug here!    # TODO: use $logger to write to debug here!
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