--- nfo/perl/libs/Data/Storage/Handler/Tangram.pm	2003/01/30 22:29:47	1.26
+++ nfo/perl/libs/Data/Storage/Handler/Tangram.pm	2003/02/21 01:47:18	1.29
@@ -1,8 +1,18 @@
 ############################################
 #
-#  $Id: Tangram.pm,v 1.26 2003/01/30 22:29:47 joko Exp $
+#  $Id: Tangram.pm,v 1.29 2003/02/21 01:47:18 joko Exp $
 #
 #  $Log: Tangram.pm,v $
+#  Revision 1.29  2003/02/21 01:47:18  joko
+#  purged old code
+#  minor cosmetics
+#
+#  Revision 1.28  2003/02/20 20:20:26  joko
+#  tried to get auto-disconnect working again - failed with that
+#
+#  Revision 1.27  2003/01/31 06:30:59  joko
+#  + enabled 'sendQuery'
+#
 #  Revision 1.26  2003/01/30 22:29:47  joko
 #  + fixed module usage (removed dependency on 'libp.pm')
 #
@@ -38,7 +48,7 @@
 #  + fix: encapsulated object-loading inside an 'eval'
 #
 #  Revision 1.15  2002/12/05 13:55:21  joko
-#  + now utilizing 'object2hash' instead of 'var_deref'
+#  + now utilizing 'expand' instead of 'var_deref'
 #  + played around with having fresh-objects - no progress....
 #
 #  Revision 1.14  2002/12/05 09:40:30  jonen
@@ -111,13 +121,14 @@
 use base ("Data::Storage::Handler");
 use base ("Data::Storage::Handler::Abstract");
 
-use Tangram;
+
 use Data::Dumper;
+use Tangram;
+
 use DesignPattern::Object;
 use Data::Storage::Result::Tangram;
 use Data::Compare::Struct qw( isEmpty );
-use Data::Transform::Deep qw( object2hash );
-use Data::Transform::Encode qw( var2utf8 );
+use Data::Transform::Deep qw( expand );
 
 # get logger instance
 my $logger = Log::Dispatch::Config->instance;
@@ -426,7 +437,7 @@
   my @results;
   $logger->debug( __PACKAGE__ . "->getListFiltered( nodename => '" . $nodename . "' )" );
 
-  #print Dumper($filters);
+#print Dumper($filters);
   
   my @tfilters;
   
@@ -465,6 +476,8 @@
   # HACK: build eval-string (sorry) to get filtered list - please give advice here
   my $evalstring = 'return $self->{_COREHANDLE}->select($remote, ' . $tfilter . ');';
   
+  #print "eval: $evalstring", "\n";
+  
   # get filtered list/set
   @results = eval($evalstring);
   die $@ if $@;
@@ -524,10 +537,18 @@
     #return $self->createSet( $self->{COREHANDLE}->load('300090018') );
   }
 
-  die("This should not be reached for now - redirect to \$self->getListFiltered() here!");
+  my $list = $self->getListFiltered($query->{node}, $query->{criterias});
+  #return $self->createSet($object);
+  #return $self->createSet($list);
+  return $self->createSet(@$list);
+
+  #die("This should not be reached for now - redirect to \$self->getListFiltered() here!");
 
-  # TODO: do a common tangram query here
 
+
+
+  # try a generic tangram query here
+  # TODO: try to place an oql on top of that (search.cpan.org!)
   my @crits;
   foreach (@{$query->{criterias}}) {
     my $op = '';
@@ -623,27 +644,29 @@
   # build options (a callback to unload autovivified objects) for 'expand'
   # TODO: use $logger to write to debug here!
   my $cb; # = sub {};
+
+  # deactivated way to get rid of used instances, if requested
 =pod
-  if ($options->{destroy}) {
-    $options->{cb}->{destroy} = sub {
-      print "================ DESTROY", "\n";
-      my $object = shift;
-      #print Dumper($object);
-      $self->{_COREHANDLE}->unload($object);
-      #undef($object);
-    };
-  }
+    if ($options->{destroy}) {
+      $options->{cb}->{destroy} = sub {
+        print "================ DESTROY", "\n";
+        my $object = shift;
+        #print Dumper($object);
+        $self->{_COREHANDLE}->unload($object);
+        #undef($object);
+      };
+    }
 =cut
 
-  my $hash = object2hash($obj, $options);
-  #$options->{cb}->{destroy}->($obj);
-  #$self->{_COREHANDLE}->unload($obj);
-  
-  # convert values in hash to utf8 to be ready for (e.g.) encapsulation in XML
-  # now done in object2hash
-  #var2utf8($hash) if ($options->{utf8});
+  my $hash = expand($obj, $options);
+
+  # old (unsuccessful) attempts to get rid of used instances, if requested
+
+    # V1:
+    #$options->{cb}->{destroy}->($obj);
+    #$self->{_COREHANDLE}->unload($obj);
   
-  # old (wrong) attempts to get rid of used instances, if requested
+    # V2:
     #$obj->clear_refs;
     #$self->{COREHANDLE}->unload($obj) if($options->{destroy});
     #$obj->DESTROY;
@@ -673,5 +696,21 @@
   return $storage->testAvailability();
 }
 
+sub disconnect2 {
+  my $self = shift;
+  my $storage = $self->_getSubLayerHandle();
+  print "DISC!", "\n";
+
+  my $storage_ll = $storage->{_COREHANDLE};
+  $storage_ll->disconnect();
+  
+  print Dumper($storage);
+  exit;
+  
+  #$self->{_COREHANDLE}
+  #$storage->disconnect();
+  $self->{dataStorageLayer}->disconnect();
+}
+
 1;
 __END__