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PowerBuilder® 9: Internet and Distributed Application Development by John D. Olson, Bill Green

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Framework Techniques

By understanding frameworks and how they have been used in the past, you can develop several approaches to meet your framework needs for PowerBuilder in the distributed world. In reading this book, you've learned many techniques that, once applied, you don't want to rewrite. In other words, you want to leverage code reuse. You also want to ensure that given processes are handled correctly and efficiently. In the distributed world, you develop your framework around intercomponent calls. This is similar to a service-based approach in which you call components to do work when needed. Frameworks can be generic or specific. You might have a framework that helps develop just Web applications or just client/server applications. ...

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