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For beginners I would recommend this book:The Object Constraint Language: Getting Your Models Ready for MDA by Jos Warmer and Anneke Kleppe (Jos was one of the main creators of the OCL). There is also this free OCL tutorial (pdf + slides). I also like a lot the official specification you already found
Overview. Get an Overview of the Complete OCL language. Load a Complete OCL document into a third party application. Enhance Ecore validation for derived properties. Validate an Ecore model using additional Complete OCL validation. Enhance UML validation. Validate a UML model using additional Complete OCL validation.
21 Mar 2012 The Object Constraint Language (OCL) appeared as an effort to overcome the limitations of UML when it comes to precisely specifying detailed aspects of a system design. OCL was first developed in 1995 inside IBM as an evolution of an expression language in the Syntropy method [26].
28 Jun 2012 Introduction to OCL - Tutorial given at the SFM'12 summer school Learn more about OCL (and UML, DSLs, MDE,) at : modeling-languages.com Home page: ht
13 Dec 2017
1. OCL – The Object Constraint Language in UML. OCL website: www.omg.org/uml/. Textbook: “The Objection Constraint Language: Precise Modeling with UML", by Jos Warmer and Anneke Kleppe. This presentation includes some slides by: Yong He, Tevfik Bultan, Brian Lings, Lieber. 2. History. First developed in
So far only considered class invariants. OCL can also specify operations: “If setAge(. . . ) is called with a non-negative argument then the argument becomes the new value of the attribute age." context Person::setAge(newAge:int) pre: newAge >= 0 post: self.age = newAge. – p.9
Tutorial: OCL. Purpose. Let you practise reading and writing OCL constraints. Here are a couple more useful OCL operations on collections that were not explained in the reading or slides. (There are more: if you want full details, see section 11.7 of the OCL spec.) Suppose c is a Collection of elements of type T, and t : T.
Bridge the gap between practically used software specifications (UML) and formal languages. Introduce into OCL (history outline literature). • Introduce into OCL (history, outline, literature). • Learn how to specify semantics using OCL. • Learn what are interesting OCL use cases. Learn what are interesting OCL use cases.
Object Constraint Language (OCL). • A UML diagram (e.g., a class diagram) does not provide all relevants aspects of a specification. • It is necessary to describe additional constraints about the objects in the model. • Constraints specify invariant conditions that must hold for the system being modeled. • Constraints are often
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