By Kevin Lano
This e-book describes the techniques and alertness of model-based improvement (MBD), version variations, and Agile MBD to a variety of software program structures. It covers structures requisites engineering, approach specification and layout, verification, reuse, and process composition within the context of Agile MBD. Examples of purposes in finance, approach migration, net structures and software program refactoring are given. a longtime open-source MBD know-how, UML-RSDS, is used all through to demonstrate the concepts.
The e-book is acceptable for business practitioners who desire education in Agile MBD, and those that have to comprehend the problems to be thought of while introducing MBD in an business context. it's also appropriate for tutorial researchers, and to be used as textual content for undergraduate or postgraduate classes in MBD. Examples for academic use of UML-RSDS are integrated within the book.
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Additional resources for Agile Model-Based Development Using UML-RSDS
5) and the operation definition dialog (Fig. 6). 5: Edit class dialog In the operation dialog both the precondition and postcondition predicate should be entered, "true" can be entered to denote no constraint. 6: Operation definition dialog Query operations must have a result type, and some equation result = e as the last conjunct in each conditional case in their postcondition (as in Fig. 6 and the factorial example below). Update operations normally have no return type, but this is possible. Input parameters and their types are entered in a list, for example: x int y int for an operation with two integer input parameters.
Specific of a class c has two or more elements, and all classes in g have an owned attribute with the same name n and type t , add an attribute of this name and type to c , and remove the copies from each element of g . (Fig. 6). This is the “Pull up attribute” refactoring of . c c n :t I A1 n: t 't .. specific , and there is a subset g 1 of g , of size at least 2, all the elements of g 1 have an owned attribute with the same name n and type t , but there are elements of g −g 1 without such an attribute, introduce a new class c 1 as a subclass of c .
The operations should have parameter types that are valid in UML-RSDS (boolean, int, long, double, String, class type names). , by hand-written Java classes or by separate UML-RSDS developments. For example, in the case of the correlation calculator, it may be required to read the datapoints from a spreadsheet CSV file, with one datapoint on each row of the spreadsheet. Such input could be the responsibility of an interface component SpreadsheetReader which has operations getFirstRow () : Sequence (String ) and getNextRow () : Sequence (String ).