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"Meta-Programming for the Real World"
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Meta-Programming for the Real World
Courtyard, Demo room 2
Thursday, 12:30, 45 minutes | 7 | · | 8 | · | 9 | · | 10 | · | 11 | · | 12 | · | 13 | · | 14 | · | 15 | · | 16 | · | 17 | · | 18 | · | 19 | · | 20 | · | 21 |
This event is also being given Wednesday at 10:30.
Matthew Fowler, New Technology / enterprise Ltd
Demonstration number: 8
JeeWiz is a commercial tool for model-driven development of enterprise-level systems. It can describe and generate any technology, and has been used for system-level generation (multi-tier J2EE, .NET, SOA systems) and model transformations (XMI to WSDL/XML Schema, and back).
The most difficult problem we have confronted is the complexity of mapping from rich, high-level logical models to the detailed artifacts required in real-life systems. JeeWiz provides reusable architecture and technology layers, local flexibility and cross-tier patterns, which makes JeeWiz meta-programming particularly complex; each major version of JeeWiz has been driven by the need to manage this complexity.
This process has resulted in a number of new elements - our "sub-atomic particles" of model-driven development - to allow us to partition the technology, domain and skill spaces into independently-changeable areas. These are then reassembled using a synergistic combination of meta-models, patterns, a framework for generation, and large-scale build techniques. The assembly process applies classic O-O techniques - inheritance, polymorphism, logical/physical management, encapsulation and patterns - to improve the effectiveness of JeeWiz meta-programming.
The demonstration will show
- the process of specifying a model based on a meta-model
- the transformations to build a real system
- the process of meta-program maintenance, showing how the new elements are developed in isolation and then combined.
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