Category Archives: UMLSchool

Ditch Sparx today

Posted on October 16, 2017 by Admin

This article was moved to MDriven Wiki – Ditch Sparx today Get insights into how UML is supposed to be used to fully understand business needs and to build complete verifiable specifications for software.

Posted in MDrivenDesigner, Prototyping, UMLSchool | Tagged | Leave a comment

OCL by example

Posted on September 18, 2016 by Admin

This article was moved to MDriven Wiki – OCL by example Three videos to de-mystify OCL. A simple model and some expressions working on it for different purposes. The videos make use of the new OCL editor that has been … Continue reading →

Posted in CO-Unique, OCL, UML, UMLSchool | Tagged , , , | Leave a comment

Constraints

Posted on May 26, 2014 by Admin

This article was moved to MDriven Wiki – Constraints There are other ways to introduce business rules in the model than using state machines and guards. You can also use constraints. The model already has a lot of implicit constraints … Continue reading →

Posted in MDrivenDesigner, OCL, UML, UMLSchool | 1 Comment

UML – State machines

Posted on May 26, 2014 by Admin

This article was moved to MDriven Wiki – Short introduction to UML– class diagram If the classes of your model define the statics we are now left with dealing with the dynamics of the domain. With the dynamics I mean … Continue reading →

Posted in MDrivenServer, OCL, UML, UMLSchool | 1 Comment

Short introduction to UML– class diagram

Posted on May 26, 2014 by Admin

This article was moved to MDriven Wiki – UML – State machines UML class diagram is the preferred way to describe information. A UML class diagram shows classes and their relations. A Class differs from an Object. The Object is … Continue reading →

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Derived attributes & associations

Posted on February 16, 2011 by Admin

This article was moved to MDriven Wiki – Derived attributes & associations Derived attributes has been in ECO for ages . To a SQL-guy derived attributes resemble calculated fields. Derived attributes are just like calculated fields that subscribe to all … Continue reading →

Posted in Derive, UML, UMLSchool | 1 Comment

UML Inheritance

Posted on February 16, 2011 by Admin

This article was moved to MDriven Wiki – UML Inheritance With the ambition to make it easy for people to benefit from object oriented approaches using eco and gaffr.net I will in this post give a quick introduction to UML … Continue reading →

Posted in UML, UMLSchool | 1 Comment

Association classes

Posted on February 16, 2011 by Admin

This article was moved to MDriven Wiki – Association classes Associations define relationship between Classes. Whenever you need some additional information on that relationship an association class will come in handy. Model1:   Even if the Association class is mostly … Continue reading →

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Composite and Aggregate and what they imply

Posted on February 16, 2011 by Admin

This article was moved to MDriven Wiki – Composite and Aggregate and what they imply Associations between classes are easy enough to understand; Car has 4 wheels But in the information system we build it may be obvious that a … Continue reading →

Posted in UML, UMLSchool | 2 Comments