Changeset 15768 for issm/trunk-jpl/src/m/classes/masstransport.m

Timestamp:

08/09/13 10:07:08 (12 years ago)

Author:

Mathieu Morlighem

Message:

CHG: can now load old models

File:

• issm/trunk-jpl/src/m/classes/masstransport.m (modified) (2 diffs)

issm/trunk-jpl/src/m/classes/masstransport.m

@@ -14 +14 @@
                  requested_outputs      = NaN;
         end
+        methods (Static)
+                function obj = loadobj(obj) % {{{
+                        % This function is directly called by matlab when a model object is
+                        % loaded. If the input is a struct it is an old version of this class and
+                        % old fields must be recovered (make sure they are in the deprecated
+                        % model properties)
+
+                        if verLessThan('matlab','7.9'),
+                                disp('Warning: your matlab version is old and there is a risk that load does not work correctly');
+                                disp('         if the model is not loaded correctly, rename temporarily loadobj so that matlab does not use it');
+
+                                % This is a Matlab bug: all the fields of md have their default value
+                                % Example of error message:
+                                % Warning: Error loading an object of class 'model':
+                                % Undefined function or method 'exist' for input arguments of type 'cell'
+                                %
+                                % This has been fixed in MATLAB 7.9 (R2009b) and later versions
+                        end
+
+                        if isstruct(obj)
+                                disp('Recovering masstransport from older version');
+                                objstruct = obj;
+                                obj = structtoobj(masstransport(),objstruct);
+                        end
+                end% }}}
+        end
         methods
                 function obj = masstransport(varargin) % {{{
@@ -19 +45 @@
                                 case 0
                                         obj=setdefaultparameters(obj);
+                                case 1
+                                        inputstruct=varargin{1};
+                                        list1 = properties('masstransport');
+                                        list2 = fieldnames(inputstruct);
+                                        for i=1:length(list1)
+                                                fieldname = list1{i};
+                                                if ismember(fieldname,list2),
+                                                        obj.(fieldname) = inputstruct.(fieldname);
+                                                end
+                                        end
                                 otherwise
                                         error('constructor not supported');