Software Architecture and Design Illuminated (Jones and Bartlett Illuminated)

Software Architecture and Design Illuminated (Jones and Bartlett Illuminated)

Kai Qian, Xiang Fu, Lixin Tao, Chong-wei Xu

Language: English

Pages: 311


Format: PDF / Kindle (mobi) / ePub

The SE 2004 of the ACM/IEEE computing curriculum project recommends software design and architecture as one of its ten essential areas of study. Software Architecture and Design Illuminated is the ideal text for upper-level undergraduate and graduate students delving into this important area of the software development process. This text offers a coherent and integrated approach to the discipline of software architectural design and covers a complete set of important methodologies, architectural styles, design guidelines, and design tools. The Java language is used throughout the book to explain design principles and present case studies. Review questions, exercises, and design assignments round out each chapter and allow students to test themselves on key material.

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analysis must be done (not just domain analysis of one application domain) with emphasis on variability analysis. It is also important to keep domain-independent, product line, and product-specific components apart and possibly physically separate. Object-oriented systems are typically monolithic pieces with difficult-to- detach “components.” Current object-oriented component technology (including JavaBeans, ActiveX, COM) imposes severe constraints on the components, tightly coupling them to

will lead to ripple effects in the GDS implementation. In Figure 4.17 (b), the GDS class depends on only the Shape class. Changes in Rectangle will not affect the GDS class. • Easy extension: The design in Figure 4.17 (b) is much easier to extend when new shapes, e.g., trapezium, are added into GDS. In the solution offered in Figure 4.17 (a), programmers would have to modify the code of GDS, add a function called draw_trapezium(), and then recompile the class file of GDS. In the second

reused by other applications for which they were not originally designed. For example, the credit processing service can be sold to some other companies (e.g., a wedding planner) if they want to support online payment. Figure 10.9 Client with services and service directory Figure 10.10 Service composition A complex service-oriented application can constitute many services in such a way that some are responsible for receiving requests, others for responding, and others that may

development tools such as Bean Builder or NetBean Visual Studio to load this bean into the tool library and reuse it. The deployed component also can be placed in any directory as long as it is on the classpath. The following screen-shot shows the composition of a button component and a counter component, whereby counter is able to display the counts that the button has been pressed. This is a simple form of composition of two components. This composition can be implemented by many Java IDE tools

including redo functions, customizable settings, hot keys, and so on, it should also include features such as tutorials, search engines, help facilities, or updating links. • Summary: In summary, the user interface should satisfy five major principles, with the acronym SAPCO: simple, aesthetic, productive, customizable, and other (Torres, 2001). • Simple means that a user interface does not require use of a book or online help in order to get started with simple tasks. It is sufficiently

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