class MISMATCH_CORRECTOR General cluster: base description: "Ancestor of all classes that need facility to retrieve an older version of an instance of current class through storable. Redefine `correct_mismatch' to get data from `mismatch_information' about found mismatch. A mismatch might be the addition or the removal of an attribute as well as an attribute type change." Ancestors ANY Queries Mismatch_information: MISMATCH_INFORMATION Commands correct_mismatch