Duarte-Barrera, Carlos E.

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Object-oriented re-engineering of the nursing documentation system hpad
(2008) Duarte-Barrera, Carlos E.; Borges, José A.; College of Engineering; Rodríguez, Néstor J.; Navarro, José; Department of Electrical and Computer Engineering; Cesaní, Viviana
This document describes the process of improving the nursing documentation system, HPAD, by means of a software re-engineering process. The development of the re- engineered system required the study of the existing system to locate both areas for improvement and identify the sections that might be reusable. The redesign process focused on achieving a product easily expandable in the future, with particular emphasis on the software's ability to work independently of the database engine used. A complete rewriting of the existing application was performed while preserving most of the graphical interfaces of the original system. One interface in particular, the Assessment interface, was completely redesigned. The re-engineering process of this project made a significant use of design patterns, particularly the Model-View-Controller was used as a basis for the overall structure of the HPAD software. Other design patterns used to achieve the aim of this project were the Template and Façade patterns. The re-engineered system presents usability improvements such as a change into a MDI interface and data tables sorting; also speed optimizations for some process have been made.