preprint · LillOA (Université de Lille (University Of Lille)) · 2009

Object Identification and Aspect Mining in Procedural Object-Oriented Code

Muhammad Usman Bhatti, ROLLAND, Colette, DUCASSE, Stéphane

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Abstract

In this dissertation, we present Procedural Object-Oriented Code (POC).POC is the aftermath of the software development activity that involves state of the art object-oriented languages, without employing object-oriented analysis and design.Huge classes, absence of abstractions for domain entities, and shallow inheritance hierarchies are hallmark design defects of procedural object-oriented code.POC also consists of scattered code appearing not only due to the absence of aspects, but it also manifests scattered code appearing due to the non-abstracted domain entities i.e., domain entities that do not have their proper object-oriented classes.The non-abstracted domain logic hinders mining useful crosscutting concerns related to aspects in POC.Confronted with the absence of object-oriented design and the difficulty of mining aspects in POC, we studied it from two perspectives.First, we improve aspect mining techniques by classifying various crosscutting concerns identified in POC with a two-pronged approach: Firstly, the approach identifies and groups crosscutting concerns present in a software system: aspects as well as non-abstracted domain logic.Crosscutting concerns pertaining to nonabstracted domain entities are identified and extracted through their usage of application domain entity data.Secondly, a new metric called spread-out is introduced to quantify the divulgence of diverse crosscutting concerns.Second, we studied the problem of object identification in procedural objectoriented code.We present a semi-automatic, tool-assisted approach for restructuring POC into an improved object-oriented design.The approach identifies principal classes in POC.These principal classes are then used to extract object-oriented abstractions using Formal Concept Analysis lattices.This is achieved by providing three different concept lattices, namely fundamental, association, and interactions views.We developed tools to validate the approaches presented in the thesis.The approaches are validated on a recently developed industrial application.The application is used to run blood plasma analysis automatons.The results of our approach are promising.v vi

Cite this paper

APA 7

Bhatti, M. U., ROLLAND, C., & DUCASSE, S. (2009). Object Identification and Aspect Mining in Procedural Object-Oriented Code. LillOA (Université de Lille (University Of Lille)).

MLA 9

Bhatti, Muhammad Usman, et al. “Object Identification and Aspect Mining in Procedural Object-Oriented Code.” LillOA (Université de Lille (University Of Lille)), 2009.

Chicago

Bhatti, Muhammad Usman, Colette ROLLAND, and Stéphane DUCASSE. 2009. “Object Identification and Aspect Mining in Procedural Object-Oriented Code.” LillOA (Université de Lille (University Of Lille)).

Harvard

Bhatti, M.U., ROLLAND, C. and DUCASSE, S. (2009) ‘Object Identification and Aspect Mining in Procedural Object-Oriented Code’, LillOA (Université de Lille (University Of Lille)).

BibTeX

@misc{bhatti2009object,
  title = {{Object Identification and Aspect Mining in Procedural Object-Oriented Code}},
  author = {Bhatti, Muhammad Usman and ROLLAND, Colette and DUCASSE, Stéphane},
  journal = {LillOA (Université de Lille (University Of Lille))},
  year = {2009}
}

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