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Software structure evaluation based on the interaction and encapsulation of methods

Science China(Information Sciences) 2012年第12期55卷 2816-2825页

作者： ZHENG QingHua 1,2,OU ZhiJiang 1,2,LIU Ting 1,YANG ZiJiang 3,HOU YuQiao 1,2 & ZHENG Chao 1,2 1 MOE Key Laboratory for Intelligent Networks and Network Security,Xi'an Jiaotong University,Xian 710049,China 2 Shaanxi Key Laboratory of Satellite-terrestrial Network Technology R&D,Xi'an Jiaotong University,Xian 710049,China 3 Department of Computer Science,Western Michigan University,Michigan,USA MOE Key Laboratory for Intelligent Networks and Network Security Xi’an Jiaotong University Xian China Shaanxi Key Laboratory of Satellite-terrestrial Network Technology R&D Xi’an Jiaotong University Xian China Department of Computer Science Western Michigan University Michigan USA

Software structure is the most important factor affecting the quality of a *** evaluation of software structure is a foundational technique for software ***,the traditional evaluation criteria,such as "high cohesion and low coupling",are no longer appropriate for the new web applications,which are designed with a hierarchical framework.A novel approach is proposed in this paper to evaluate software quality based on the interaction and encapsulation of *** particular,two criteria for high quality software,the functional and hierarchical structure,are proposed to support widely used web *** cohesion and coupling and layer matching ratios between methods within a software package are calculated to determine whether the package is well implemented in terms of functional or hierarchical *** approach enables us to quantify the quality of a software system according to the structural types of its *** were carried out on 18 versions of Struts and six open-source software *** evaluation concurs with the intuition that minor upgrades,aimed at fixing bugs and adding minor functionality quickly,reduce software quality,whereas major upgrades,which normally clean up messy code and re-construct the software,improve software quality.

关键词： software structure evaluation method interaction method encapsulation functional structure hierarchical structure

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