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SBES 2016 – Developers’ Perceptions on Object-Oriented Design and Architectural Roles

Maurício Aniche, Christoph Treude, Marco Aurélio Gerosa
30th Brazilian Conference on Software Engineering

Software developers commonly rely on well-known software architecture patterns, such as MVC, to build their applications. In many of these patterns, classes play specific roles in the system, such as Controllers or Entities, which means that each of these classes has specific characteristics in terms of object-oriented class design and implementation. Indeed, as we have shown in a previous study, architectural roles are different from each other in terms of code metrics. In this paper, we present a study in a software development company in which we captured developers’ perceptions on object-oriented design aspects of the architectural roles in their system and whether these perceptions match the source code metric analysis. We found that their developers do not have a common perception of how their architectural roles behave in terms of object-oriented design aspects, and that their perceptions also do not match the results of the source code metric analysis. This phenomenon also does not seem to be related to developers’ experience. We find these results alarming, and thus, we suggest software development teams to invest in education and knowledge sharing about how their system’s architectural roles behave.

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