/[cvs]/nfo/perl/libs/Data/Storage/Handler/Tangram.pm
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revision 1.26 by joko, Thu Jan 30 22:29:47 2003 UTC revision 1.28 by joko, Thu Feb 20 20:20:26 2003 UTC
# Line 3  Line 3 
3  #  $Id$  #  $Id$
4  #  #
5  #  $Log$  #  $Log$
6    #  Revision 1.28  2003/02/20 20:20:26  joko
7    #  tried to get auto-disconnect working again - failed with that
8    #
9    #  Revision 1.27  2003/01/31 06:30:59  joko
10    #  + enabled 'sendQuery'
11    #
12  #  Revision 1.26  2003/01/30 22:29:47  joko  #  Revision 1.26  2003/01/30 22:29:47  joko
13  #  + fixed module usage (removed dependency on 'libp.pm')  #  + fixed module usage (removed dependency on 'libp.pm')
14  #  #
# Line 38  Line 44 
44  #  + fix: encapsulated object-loading inside an 'eval'  #  + fix: encapsulated object-loading inside an 'eval'
45  #  #
46  #  Revision 1.15  2002/12/05 13:55:21  joko  #  Revision 1.15  2002/12/05 13:55:21  joko
47  #  + now utilizing 'object2hash' instead of 'var_deref'  #  + now utilizing 'expand' instead of 'var_deref'
48  #  + played around with having fresh-objects - no progress....  #  + played around with having fresh-objects - no progress....
49  #  #
50  #  Revision 1.14  2002/12/05 09:40:30  jonen  #  Revision 1.14  2002/12/05 09:40:30  jonen
# Line 111  use warnings; Line 117  use warnings;
117  use base ("Data::Storage::Handler");  use base ("Data::Storage::Handler");
118  use base ("Data::Storage::Handler::Abstract");  use base ("Data::Storage::Handler::Abstract");
119    
120  use Tangram;  
121  use Data::Dumper;  use Data::Dumper;
122    use Tangram;
123    
124  use DesignPattern::Object;  use DesignPattern::Object;
125  use Data::Storage::Result::Tangram;  use Data::Storage::Result::Tangram;
126  use Data::Compare::Struct qw( isEmpty );  use Data::Compare::Struct qw( isEmpty );
127  use Data::Transform::Deep qw( object2hash );  use Data::Transform::Deep qw( expand );
128  use Data::Transform::Encode qw( var2utf8 );  #use Data::Transform::Encode qw( var2utf8 );
129    
130  # get logger instance  # get logger instance
131  my $logger = Log::Dispatch::Config->instance;  my $logger = Log::Dispatch::Config->instance;
# Line 426  sub getListFiltered { Line 434  sub getListFiltered {
434    my @results;    my @results;
435    $logger->debug( __PACKAGE__ . "->getListFiltered( nodename => '" . $nodename . "' )" );    $logger->debug( __PACKAGE__ . "->getListFiltered( nodename => '" . $nodename . "' )" );
436    
437    #print Dumper($filters);  #print Dumper($filters);
438        
439    my @tfilters;    my @tfilters;
440        
# Line 465  sub getListFiltered { Line 473  sub getListFiltered {
473    # HACK: build eval-string (sorry) to get filtered list - please give advice here    # HACK: build eval-string (sorry) to get filtered list - please give advice here
474    my $evalstring = 'return $self->{_COREHANDLE}->select($remote, ' . $tfilter . ');';    my $evalstring = 'return $self->{_COREHANDLE}->select($remote, ' . $tfilter . ');';
475        
476      #print "eval: $evalstring", "\n";
477      
478    # get filtered list/set    # get filtered list/set
479    @results = eval($evalstring);    @results = eval($evalstring);
480    die $@ if $@;    die $@ if $@;
# Line 524  sub sendQuery { Line 534  sub sendQuery {
534      #return $self->createSet( $self->{COREHANDLE}->load('300090018') );      #return $self->createSet( $self->{COREHANDLE}->load('300090018') );
535    }    }
536    
537    die("This should not be reached for now - redirect to \$self->getListFiltered() here!");    my $list = $self->getListFiltered($query->{node}, $query->{criterias});
538      #return $self->createSet($object);
539      #return $self->createSet($list);
540      return $self->createSet(@$list);
541    
542      #die("This should not be reached for now - redirect to \$self->getListFiltered() here!");
543    
544    
   # TODO: do a common tangram query here  
545    
546    
547      # try a generic tangram query here
548      # TODO: try to place an oql on top of that (search.cpan.org!)
549    my @crits;    my @crits;
550    foreach (@{$query->{criterias}}) {    foreach (@{$query->{criterias}}) {
551      my $op = '';      my $op = '';
# Line 635  sub getObjectAsHash { Line 653  sub getObjectAsHash {
653    }    }
654  =cut  =cut
655    
656    my $hash = object2hash($obj, $options);    my $hash = expand($obj, $options);
657    #$options->{cb}->{destroy}->($obj);    #$options->{cb}->{destroy}->($obj);
658    #$self->{_COREHANDLE}->unload($obj);    #$self->{_COREHANDLE}->unload($obj);
659        
660    # convert values in hash to utf8 to be ready for (e.g.) encapsulation in XML    # convert values in hash to utf8 to be ready for (e.g.) encapsulation in XML
661    # now done in object2hash    # now done in expand
662    #var2utf8($hash) if ($options->{utf8});    #var2utf8($hash) if ($options->{utf8});
663        
664    # old (wrong) attempts to get rid of used instances, if requested    # old (wrong) attempts to get rid of used instances, if requested
# Line 673  sub testAvailability { Line 691  sub testAvailability {
691    return $storage->testAvailability();    return $storage->testAvailability();
692  }  }
693    
694    sub disconnect2 {
695      my $self = shift;
696      my $storage = $self->_getSubLayerHandle();
697      print "DISC!", "\n";
698    
699      my $storage_ll = $storage->{_COREHANDLE};
700      $storage_ll->disconnect();
701      
702      print Dumper($storage);
703      exit;
704      
705      #$self->{_COREHANDLE}
706      #$storage->disconnect();
707      $self->{dataStorageLayer}->disconnect();
708    }
709    
710  1;  1;
711  __END__  __END__
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