ConceptBase.cc

manfredjeusfeld made 5 file-release changes

A function/query call in ConceptBase is the comparable to a method invocation in an object-oriented programming language. Some query calls may be illegal, e.g. asking to divide a number by zero. You can catch such illegal calls via an active rule and take care of a specific reaction. For example, the following ECArule will catch a [...]

ConceptBase supports the recursive definition of functions. For example, you can define the log2 function on natural numbers as follows: log2 in Function isA Integer with parameter n: Integer constraint [...]

OMG  defines various modeling languages such as the family of UML languages as instances of a fixed meta-metamodel, the so-called MOF (meta object facility).  Roughly speaking, the definitions are organized in four abstraction layers: M3: MOF –> ... [More] defines for example Elements, Links, etc.; the most generic layer M2: UML: defines Class, Association, Activity, State; hence the constructs [...] [Less]