The Impact of the Web Data Access Object (WebDAO) Design Pattern on Productivity

Comput. Pub Date : 2023-07-27 DOI:10.3390/computers12080149
Zoltán Richárd Jánki, Vilmos Bilicki
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Abstract

In contemporary software development, it is crucial to adhere to design patterns because well-organized and readily maintainable source code facilitates bug fixes and the development of new features. A carefully selected set of design patterns can have a significant impact on the productivity of software development. Data Access Object (DAO) is a frequently used design pattern that provides an abstraction layer between the application and the database and is present in the back-end. As serverless development arises, more and more applications are using the DAO design pattern, but it has been moved to the front-end. We refer to this pattern as WebDAO. It is evident that the DAO pattern improves development productivity, but it has never been demonstrated for WebDAO. Here, we evaluated the open source Angular projects to determine whether they use WebDAO. For automatic evaluation, we trained a Natural Language Processing (NLP) model that can recognize the WebDAO design pattern with 92% accuracy. On the basis of the results, we analyzed the entire history of the projects and presented how the WebDAO design pattern impacts productivity, taking into account the number of commits, changes, and issues.
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Web数据访问对象(WebDAO)设计模式对生产力的影响
在当代软件开发中,坚持设计模式是至关重要的,因为组织良好且易于维护的源代码有助于bug修复和新特性的开发。精心选择的一组设计模式可以对软件开发的生产力产生重大影响。数据访问对象(Data Access Object, DAO)是一种常用的设计模式,它在后端提供应用程序和数据库之间的抽象层。随着无服务器开发的出现,越来越多的应用程序正在使用DAO设计模式,但它已被转移到前端。我们将这种模式称为WebDAO。很明显,DAO模式提高了开发效率,但它从未在WebDAO中得到证明。在这里,我们评估了开源Angular项目,以确定它们是否使用了WebDAO。为了自动评估,我们训练了一个自然语言处理(NLP)模型,该模型能够以92%的准确率识别WebDAO设计模式。在结果的基础上,我们分析了项目的整个历史,并介绍了WebDAO设计模式如何影响生产力,同时考虑了提交、更改和问题的数量。
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