| Summary: | 碩士 === 國立中山大學 === 資訊管理學系研究所 === 100 === Apply design pattern in software analysis and design can reduce time and cost by reuse proven and validated solution to avoid redesign. Design pattern provide general solution to specific problem domain, it is best to adopt design pattern in Platform Intendant Model (PIM). Model Driven Architecture (MDA) lack of methodology to judge problem domain from UML Diagram like sequential diagram, timing diagram or class diagram and how to apply design pattern in PIM mode.
To alleviate the forgoing problem, this study proposed methodology to describe rule and step to apply design pattern, and present the difference between adopt design pattern by UML diagram. The research methodology is articulated using the design science research methodology. A usability study evaluation is performed to demonstrate its applicability with test case. With this proposed method, system analyst will improve software system flexibility and accuracy by design pattern after first phase PIM modeling, and object designed in software system will be low cohesion and high coupling .
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