--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/+utils/@jmysql/updateObjMetadata.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,124 @@
+function updateObjMetadata(conn, obj, objid)
+  % an utility to update entries for various object metadata in the
+  % corresponding tables. differs from insertObjMetadataV1() by
+  % the use of the new v3.0 database structure
+  %
+  % MUST BE KEPT IN SYNC WITH insertObjMetadata()
+  %
+  % conn   - Java database connection object
+  % obj    - object
+  % objid  - unique ID of the object in the database
+  %
+  % VERSION:     $Id: updateObjMetadata.m,v 1.7 2011/11/09 18:47:04 mauro Exp $
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+  import utils.const.*
+
+  if nargin < 3
+    error('### incorrect usage');
+  end
+  if ~isjava(conn)
+    error('### incorrect usage');
+  end
+
+  % class of object
+  cl = class(obj);
+  utils.helper.msg(msg.PROC2, 'making meta data entry for %s object', cl);
+
+  switch cl
+    case 'ao'
+
+      % call recursively to insert the data object info
+      utils.jmysql.updateObjMetadata(conn, obj.data, objid);
+
+      % insert the AO info
+      stmt = conn.prepareStatement(...
+        'UPDATE ao SET data_type=?, description=? WHERE obj_id = ?');
+      stmt.setObject(1, java.lang.String(class(obj.data)));
+      desc = obj.description;
+      if length(desc)>65535
+        warning('Object description length exceeded. Truncating to 65535 characters');
+        desc = desc(1:65535);
+      end
+      stmt.setObject(2, java.lang.String(desc));
+      stmt.setObject(3, objid);
+      stmt.executeUpdate();
+      stmt.close();
+
+    case 'cdata'
+
+      stmt = conn.prepareStatement(...
+        'UPDATE cdata SET yunits=? WHERE obj_id = ?');
+      stmt.setObject(1, java.lang.String(char(obj.yunits)));
+      stmt.setObject(2, objid);
+      stmt.executeUpdate();
+      stmt.close();
+
+    case 'fsdata'
+
+      % possible bad entries
+      fs = obj.fs;
+      if ~isfinite(fs)
+        fs = [];
+      end
+        
+      stmt = conn.prepareStatement(...
+        'UPDATE fsdata SET xunits=?, yunits=?, fs=? WHERE obj_id = ?');
+      stmt.setObject(1, java.lang.String(char(obj.xunits)));
+      stmt.setObject(2, java.lang.String(char(obj.yunits)));
+      stmt.setObject(3, fs);
+      stmt.setObject(4, objid);
+      stmt.executeUpdate();
+      stmt.close();
+
+    case 'tsdata'
+
+      stmt = conn.prepareStatement(...
+        'UPDATE tsdata SET xunits=?, yunits=?, fs=?, t0=?, nsecs=?, toffset=? WHERE obj_id = ?');
+      stmt.setObject(1, java.lang.String(char(obj.xunits)));
+      stmt.setObject(2, java.lang.String(char(obj.yunits)));
+      stmt.setObject(3, obj.fs);
+      stmt.setObject(4, java.lang.String(format(obj.t0 + obj.toffset/1000, 'yyyy-mm-dd HH:MM:SS', 'UTC')));
+      stmt.setObject(5, obj.nsecs);
+      stmt.setObject(6, obj.toffset);
+      stmt.setObject(7, objid);
+      stmt.execute();
+      stmt.close();
+
+    case 'xydata'
+
+      stmt = conn.prepareStatement(...
+        'UPDATE xydata SET xunits=?, yunits=? WHERE obj_id = ?');
+      stmt.setObject(1, java.lang.String(char(obj.xunits)));
+      stmt.setObject(2, java.lang.String(char(obj.yunits)));
+      stmt.setObject(3, objid);
+      stmt.execute();
+      stmt.close();
+
+    case 'mfir'
+
+      stmt = conn.prepareStatement(...
+        'UPDATE mfir SET in_file=?, fs=? WHERE obj_id = ?');
+      stmt.setObject(1, java.lang.String(obj.infile));
+      stmt.setObject(2, obj.fs);
+      stmt.setObject(3, objid);
+      stmt.execute();
+      stmt.close();
+
+    case 'miir'
+
+      stmt = conn.prepareStatement(...
+        'UPDATE miir SET in_file=?, fs=? WHERE obj_id = ?');
+      stmt.setObject(1, java.lang.String(obj.infile));
+      stmt.setObject(2, obj.fs);
+      stmt.setObject(3, objid);
+      stmt.execute();
+      stmt.close();
+
+    otherwise
+      utils.helper.msg(msg.PROC2, 'no meta data table for %s object', cl);
+
+  end
+
+end