Fine-Grained Software Metrics in Practice

First International Symposium on Empirical Software Engineering and Measurement (ESEM 2007) Pub Date : 2007-09-20 DOI:10.1109/ESEM.2007.32

M. English, J. Buckley, Tony Cahill

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引用次数: 34

Abstract

Modularity is one of the key features of the Object- Oriented (00) paradigm. Low coupling and high cohesion help to achieve good modularity. Inheritance is one of the core concepts of the 00 paradigm which facilitates modularity. Previous research has shown that the use of the friend construct as a coupling mechanism in C+ + software is extensive. However, measures of the friend construct are scarse in comparison with measures of inheritance. In addition, these existing measures are coarse-grained, in spite of the widespread use of the friend mechanism. In this paper, a set of software metrics are proposed that measure the actual use of the friend construct, inheritance and other forms of coupling. These metrics are based on the interactions for which each coupling mechanism is necessary and sufficient. Previous work only considered the declaration of a relationship between classes. The software metrics introduced are empirically assessed using the LEDA software system. Our results indicate that the friend mechanism is used to a very limited extent to access hidden methods in classes. However, access to hidden attributes is more common.

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实践中的细粒度软件度量

模块化是面向对象(00)范式的关键特征之一。低耦合和高内聚有助于实现良好的模块化。继承是00范式的核心概念之一，它促进了模块化。先前的研究表明，友元结构作为耦合机制在c++软件中的使用是广泛的。然而，友构的度量与继承的度量相比是很少的。此外，尽管朋友机制被广泛使用，但这些现有的度量都是粗粒度的。本文提出了一套软件度量方法来度量友元构造、继承和其他形式的耦合的实际使用情况。这些指标基于每个耦合机制都是必要和充分的交互。以前的工作只考虑类之间关系的声明。引入的软件度量是使用LEDA软件系统进行经验评估的。我们的结果表明，友元机制在非常有限的程度上用于访问类中的隐藏方法。然而，访问隐藏属性更为常见。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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First International Symposium on Empirical Software Engineering and Measurement (ESEM 2007)

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