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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

GingaForAll: linha de Produtos do Middleware Ginga

Pereira, Lucas Silva 16 December 2010 (has links)
Made available in DSpace on 2014-12-17T15:47:55Z (GMT). No. of bitstreams: 1 LucasSP_DISSERT.pdf: 4412437 bytes, checksum: 1797ce9cec4016d1d5518d6d933435d2 (MD5) Previous issue date: 2010-12-16 / Many challenges have been imposed on the middleware to support applications for digital TV because of the heterogeneity and resource constraints of execution platforms. In this scenario, the middleware must be highly configurable so that it can be customized to meet the requirements of applications and underlying platforms. This work aims to present the GingaForAll, a software product line developed for the Ginga - the middleware of the Brazilian Digital TV (SBTVD). GingaForAll adds the concepts of software product line, aspect orientation and model-driven development to allow: (i) the specification of the common characteristics and variables of the middleware, (ii) the modularization of crosscutting concerns - both mandatory and concepts variables - through aspects, (iii) the expression of concepts as a set of models that increase the level of abstraction and enables management of various software artifacts in terms of configurable models. This work presents the architecture of the software product line that implements such a tool and architecture that supports automatic customization of middleware. The work also presents a tool that implements the process of generating products GingaForAll / V?rios desafios t?m sido impostos a middleware para suporte a aplica??es de TV digital devido a heterogeneidade e restri??es de recursos das plataformas de execu??o. Nesse cen?rio, o middleware deve ser altamente configur?vel de forma a poder ser customizado para atender aos requisitos das aplica??es e das plataformas subjacentes. Esse trabalho tem como objetivo apresentar o GingaForAll, uma linha de produtos de software desenvolvida para o Ginga o middleware do Sistema Brasileiro de TV Digital (SBTVD). GingaForAll agrega os conceitos de linha de produtos de software, orienta??o a aspectos e desenvolvimento dirigido a modelos de forma a permitir: (i) a especifica??o das caracter?sticas comuns e vari?veis do middleware; (ii) a modulariza??o dos conceitos transversais tanto conceitos obrigat?rios quanto vari?veis atrav?s de aspectos; (iii) a express?o de conceitos como um conjunto de modelos que aumentam o n?vel de abstra??o e permite o gerenciamento de diferentes artefatos de software em termos de modelos configur?veis. Esse trabalho apresenta a arquitetura da linha de produtos de software e uma ferramenta que implementa tal arquitetura e que oferece suporte para customiza??es autom?ticas do middleware. O trabalho tamb?m apresenta uma ferramenta que implementa o processo de gera??o de produtos GingaForAll

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