Working with selections of identifiers
Case content type
Next to saving the contents all identifiers in a case file, it is also
possible to save the data of a selection of identifiers in a case
file. Such a selection of identifiers to be saved to a case file is
called a case content type. A case content type is a subset of AllIdentifiers.
Collection
The set AllCaseFileContentTypes contains all case content types. It is a subset of the
predeclared set AllSubsetsOfAllIdentifiers. The set AllCaseFileContentTypes is initialized to
contain only the case content type AllIdentifiers. By adding additional subsets of
AllIdentifiers, you are allowing your end user to decide which
selection of identifiers is to be saved. The predeclared element
parameter CurrentCaseFileContentType is used to indicate the case content type selected by the
end-user of your application.
Example
You may add the predeclared set CurrentInputs to the set AllCaseContentTypes, which allows an end-user to
decide whether to save the data of all identifiers in your model, or
just of the collection of current input parameters. This is illustrated
in The Save Case File dialog box offering content types where the Save Case File dialog
box allows you to select between the case content types
AllIdentifiers and CurrentInputs.
Fig. 63 The Save Case File dialog box offering content types
Use during case load
When loading a case, all identifiers stored in the case file will be loaded; the current contents of the case content type by which the file is saved will be ignored.
Data not stored
Identifiers in an AIMMS model can have the NoSave property.
Identifiers with this property will not be saved in any case file
regardless of the current case content type. This property can be set
via the attribute forms of the identifiers that can contain data.