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Developing Applications with Java™ and UML by Paul R. Reed

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Where We've Been

  • A well-designed application requires that the logical layers be treated with care during the physical implementation to ensure that as the business evolves, a shift in either the business model or the technology framework won't leave the application in the legacy bin.

  • The Presentation Services layer will change often in the life span of an application. It is crucial to separate the user interface from the implementation. Today, Web forms; tomorrow, wireless.

  • The Business Context Services layer is responsible for the syntax and context editing. This logical layer will be implemented in both the user interface component and the Web server.

  • The Business Rule Services layer is responsible for the many workflow issues that ...

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