--- nfo/perl/libs/Data/Storage/Handler/Tangram.pm	2002/12/16 06:46:09	1.19
+++ nfo/perl/libs/Data/Storage/Handler/Tangram.pm	2002/12/16 20:49:17	1.20
@@ -1,8 +1,12 @@
 ############################################
 #
-#  $Id: Tangram.pm,v 1.19 2002/12/16 06:46:09 joko Exp $
+#  $Id: Tangram.pm,v 1.20 2002/12/16 20:49:17 jonen Exp $
 #
 #  $Log: Tangram.pm,v $
+#  Revision 1.20  2002/12/16 20:49:17  jonen
+#  + added sub 'getObjectByGuid()'
+#  + added functionality to use 'getObjectByGuid' at 'getObjectAsHash()'
+#
 #  Revision 1.19  2002/12/16 06:46:09  joko
 #  + attempt to introduce a generic '_patchSchema' - cancelled!
 #
@@ -549,11 +553,45 @@
   return $object if $object;
 }
 
+sub getObjectByGuid {
+  my $self = shift;
+  my $guid = shift;
+  my $options = shift;
+  
+  # Guid and Classname is needed
+  if(!$guid || !$options->{classname}) {
+    return;
+  }
+  
+  # TODO: create a deep_unload method (currently _all_ objects are unloaded)
+  # unload($oid) will only unload object, not deep object hashes
+  $self->{_COREHANDLE}->unload() if ($options->{destroy});
+
+  # search for object with given Classname and Guid
+  my $obj_tmp = $self->{_COREHANDLE}->remote($classname);
+  my @result = $self->{_COREHANDLE}->select($obj_tmp, $obj_tmp->{guid} eq $guid);
+  
+  # we searched for global unique identifer of some object,
+  # so it think we can trust there would be only one result
+  if($result[0]) {
+    return $result[0];
+  } else {
+    return "No Object with Classname $classname and GUID $options->{guid} found!";
+  }
+  
+}
+
 sub getObjectAsHash {
   my $self = shift;
   my $oid = shift;
-  my $options = shift;
-  my $obj = $self->getObject($oid, $options);
+  my $options = shift;  
+  my $obj;
+  
+  if($options->{guid}) {
+    $obj = $self->getObjectByGuid($oid, $options);
+  } else {
+    $obj = $self->getObject($oid, $options);
+  }
   
   # build options (a callback to unload autovivified objects) for 'expand'
   # TODO: use $logger to write to debug here!