Read e-book online Domain architecture : models and architecture for UMI PDF

By Daniel J Duffy

ISBN-10: 0470848332

ISBN-13: 9780470848333

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Reference models from the past for the given domain architecture: We draw on experience from the past as a source of inspiration. In particular, we use wellknown models for process control, management information, manufacturing and access control to help us construct object-oriented models. This process is called analogical reasoning: comparing our current problem with a problem that we have already solved and documented. Successful models from the pre-OO era help us structure our domain architectures.

We are really in the realms of project management and a full treatment is outside the scope of this book. The Datasim Development Process (DDP) is minimalist in the sense that we employ those artefacts in UML that we need for the task at hand. It can be seen as a competitor to the heavyweight Unified Process (UP) that is used for large UML projects. UP is fine if your organization is large and has a lot of resources to set up a UP-based application. In general, the author has found UP to be less suitable for many applications and organizations.

The consequences of using this approach are: • • • • It will not lead to a sustainable business solution. The long-term cost of ownership is (very) high. It has a high social cost (morale, burn-out). The project is driven by short-term expediencies. It is advisable to look closely at projects that are managed in this way; in particular, the code that has been written should be retired and not given a lease of life longer than a year or two! Experience has shown that it is very difficult to maintain and extend such code.

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Domain architecture : models and architecture for UMI applications by Daniel J Duffy

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