--- a/m-toolbox/classes/@ltpda_uo/retrieve.m	Tue Dec 06 19:07:27 2011 +0100
+++ b/m-toolbox/classes/@ltpda_uo/retrieve.m	Wed Dec 07 17:24:36 2011 +0100
@@ -32,7 +32,7 @@
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-function varargout = retrieve(varargin)
+function varargout = retrieve(conn, varargin)
 
   import utils.const.*
   utils.helper.msg(msg.MNAME, 'running %s/%s', mfilename('class'), mfilename);
@@ -42,8 +42,6 @@
   end
 
   % connection
-  conn = varargin{1};
-  varargin = varargin(2:end);
   if ~isa(conn, 'java.sql.Connection')
     error('### the first argument should be a java.sql.Connection object');
   end
@@ -67,7 +65,7 @@
 
     % get list of object IDs from the collection ID
     ids = utils.repository.getCollectionIDs(conn, cid);
-    
+
   else
     % IDs list
     if isnumeric([varargin{:}])
@@ -150,8 +148,8 @@
         if strcmp(rows{1}(1:13), 'binary submit')
           error('### object %d has binary representation only', ids(j));
         end
-        
-        % parse xml        
+
+        % parse xml
         stream = java.io.StringBufferInputStream(java.lang.String(rows{1}));
         builder = javax.xml.parsers.DocumentBuilderFactory.newInstance.newDocumentBuilder();
         xdoc = builder.parse(stream);