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Faculty of Science and Technology at New University of Lisbon, Portugal
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10 Papers

Incremental Modular Testing for AOP

Topics: Modularity with Aspects; Aspects Interference and Composition; Aspects Testing and Verification

Authors: André Restivo 1 , Ademar Aguiar 1 and Ana Moreira 2

Affiliations: 1 Faculdade de Engenharia da Universidade do Porto, Portugal , 2 Universidade Nova De Lisboa, Portugal

Digital Object Identifier: 10.5220/0005986600500059

Proceedings of ICSOFT-PT 2016/ICSOFT, ISBN: 978-989-758-194-6

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By designing systems as sets of modules that can be composed into larger applications, developers unleash a multitude of advantages. The promise of AOP (Aspect-Oriented Programming) is to enable developers to organize crosscutting concerns into separate units of modularity making it easier to accomplish this vision. However, AOP does not allow unit tests to be untangled, which impairs the development of properly tested independent modules. This paper presents a technique that enables developers to encapsulate crosscutting concerns using AOP and still be able to develop reusable unit tests. Our approach uses incremental testing and invasive aspects to modify and adapt tests. The approach was evaluated in a medium scale project with promising results. Without using the proposed technique, due to the presence of invasive aspects, some unit tests would have to be discarded or modified to accommodate the changes made by them. This would have a profound impact on the overall modularity and, in particular, on the reusability of those modules. We will show that this technique enables proper unit tests that can be reused even when coupled with aspect-oriented code.
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Aspects

Aspects Testing and Verification

Paradigm Trends

Aspects Interference and Composition

Modularity with Aspects

Software Engineering

Supporting Multiple Persistence Models for PaaS Applications using MDE - Issues on Cloud Portability

Topics: Cloud Application Portability; Cloud Delivery Models; Development Methods for Cloud Applications; Model-Driven Web Service Engineering

Authors: Elias Adriano Nogueira da Silva 1 , Daniel Lucrédio 2 , Ana Moreira 3 and Renata Fortes 1

Affiliations: 1 University of São Paulo, Brazil , 2 Federal University of São Carlos, Brazil , 3 Universidade Nova De Lisboa, Portugal

Digital Object Identifier: 10.5220/0005441203310342

Proceedings of CLOSER 2015, ISBN: 978-989-758-104-5

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In cloud computing, lock-in refers to the difficulty of porting an application from one platform to another. An example of such difficulty can be witnessed when porting an application from Platform-as-a-Service Google App Engine to Microsoft Azure. Differences in their implementations are substantial, yielding non-portable applications. Standardization could address this problem, but existing initiatives are still to be accepted. This paper addresses lock-in by proposing a model-driven engineering design approach that decouples platform specific code from the application logic. The resulting platform-independent models, as well as corresponding model transformations, can be reused to generate distinct platform-specific implementations, hence reducing the programming effort spent coding repetitive tasks. Such transformations can be made available for reuse on a repository for cloud providers. We have implemented transformations to handle persistence for Google App Engine and Azure, and discuss how model-driven engineering can reconcile the differences between features of the persistence models of GAE and Azure.
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Cloud Application Portability

Development Methods for Cloud Applications

Platforms and Applications

Cloud Computing

Fundamentals

Services Science
Cloud Delivery Models

Model-Driven Web Service Engineering

A DOMAIN SPECIFIC LANGUAGE FOR THE I* FRAMEWORK

Topics: Modeling Concepts and Information Integration Tools; Software Engineering

Authors: Carlos Nunes 1 , João Araújo 1 , Vasco Amaral 1 and Carla Silva 2

Affiliations: 1 Universidade Nova de Lisboa, Portugal , 2 Universidade Federal de Pernambuco, Brazil

Digital Object Identifier: 10.5220/0001995301580163

Proceedings of ICEIS 2009, ISBN: 978-989-8111-84-5

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The i* framework proposes a goal-oriented analysis method for requirements engineering. It is a systematic approach to discover and structure requirements at organizational level where functional, non-functional requirements and their relations are specified. A Domain Specific Language (DSL) has the purpose to specify and model concepts in some domain, having several advantages in relation to general purpose languages, such as it allows expressing a solution in the desired language and at the desired abstraction level. In order to create such a DSL, normally it is necessary to start by specifying its syntax by means of a metamodel to be given as input to the language workbenches that generate the corresponding editors for it. With a proper editor for the language we can specify models with the proposed notation. This paper presents a DSL for the i* framework, with the purpose to handle complexity and scalability of its concrete models by introducing some innovations in the i* framework metamodel like mechanisms that will help to manage the models scalability.
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Enterprise Information Systems

Modeling Concepts and Information Integration Tools

Software Engineering
Information Systems Analysis and Specification

MODELLING LOCATION-AWARE BEHAVIOUR IN WEB-GIS USING ASPECTS

Topics: Modeling Concepts and Information Integration Tools; Systems Engineering Methodologies; Requirements Analysis

Authors: Ana Oliveira 1 , Matias Urbieta 2 , João Araújo 1 , Armanda Rodrigues 1 , Ana Moreira 1 , Silvia Gordillo 2 and Gustavo Rossi 2

Affiliations: 1 FCT Universidade Nova de Lisboa, Portugal , 2 Facultad de Informatica, UNLP, Argentina

Digital Object Identifier: 10.5220/0002018604160419

Proceedings of ICEIS 2009, ISBN: 978-989-8111-86-9

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Web-GIS applications evolve fast as new requirements emerge constantly. Some of these requirements, particularly those related with spatial behaviours, might crosscut previous core application requirements. Conventional modelling techniques, which ignore the effect of crosscutting concerns (such as tangling and scattered behaviours) affect negatively the modularity and thus compromise application maintenance. In this paper we present and aspect-oriented approach to model crosscutting concerns in Web-GIS applications, particularly those related with spatial features. The process introduced in this paper starts with the identification and specification of crosscutting concerns, followed by the composition of these concerns, using the MATA language.
Collapse Button Related Ontology Subjects/Areas/Topics (8)
Enterprise Information Systems

Model-Driven Software Development

Software Engineering

Information Systems Analysis and Specification

Modeling Concepts and Information Integration Tools

Systems Engineering
Methodologies, Processes and Platforms

Requirements Analysis And Management

VAODA - A Viewpoint and Aspect-Oriented Domain Analysis Approach

Topics: Information Engineering Methodologies; Requirements Analysis

Authors: António Rodrigues and João Araújo

Affiliation: FCT/Universidade Nova de Lisboa, Portugal

Digital Object Identifier: 10.5220/0001960203510354

Proceedings of ICEIS 2009, ISBN: 978-989-8111-86-9

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Requirements approaches can be integrated to specify domain requirements. Among them, viewpoint-oriented approaches stand out by their simplicity, and efficiency in organizing requirements. However, none of them deals with modularization of crosscutting concerns. Aspect-Oriented Domain Analysis (AODA) is a growing area of interest as it addresses the problem of specifying crosscutting properties at domain analysis level. The goal is to obtain a better reuse at this abstraction level through the advantages of aspect orientation. This work proposes an AODA approach that integrates feature modeling and viewpoints.
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Enterprise Information Systems

Information Systems Analysis and Specification

Requirements Analysis And Management
Information Engineering Methodologies

A METADATA-DRIVEN APPROACH FOR ASPECT-ORIENTED REQUIREMENTS ANALYSIS

Topics: Systems Engineering Methodologies; CASE Tools for System Development; Requirements Analysis

Authors: Sérgio Agostinho 1 , Ana Moreira 1 , André Marques 1 , João Araújo 1 , Isabel Brito 2 , Ricardo Ferreira 3 , Ricardo Raminhos 3 , Jasna Kovačević 3 , Rita Ribeiro 3 and Philippe Chevalley 4

Affiliations: 1 Universidade Nova de Lisboa, Portugal , 2 Instituto Politécnico de Beja, Portugal , 3 UNINOVA – Instituto de Desenvolvimento de Novas Tecnologias, Portugal , 4 ESA/ESOC, Netherlands

Digital Object Identifier: 10.5220/0001684101290136

Proceedings of ICEIS 2008, ISBN: 978-989-8111-38-8

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This paper presents a metadata-driven approach based on aspect-oriented requirements analysis. This approach has been defined in cooperation with the European Space Agency in the context of the “Aspect Specification for the Space Domain” (ASSD) project. ASSD aims at assessing the applicability and usefulness of aspect-orientation for the space domain (ground segment software projects in particular), focusing on the early stages of the software development life cycle. This paper describes a rigorous representation of requirements analysis concepts, refines a method for handling early aspects, and proposes a client/server architecture based on a metadata repository.
Collapse Button Related Ontology Subjects/Areas/Topics (8)
CASE Tools for System Development

Methodologies, Processes and Platforms

Software Engineering

Enterprise Information Systems

Model-Driven Software Development

Systems Engineering
Information Systems Analysis and Specification

Requirements Analysis And Management

RANKING REFACTORING PATTERNS USING THE ANALYTICAL HIERARCHY PROCESS

Topics: Software Engineering; Systems Engineering Methodologies

Authors: Eduardo Piveta 1 , Ana Moreira 2 , Marcelo Pimenta 1 , João Araújo 2 , Pedro Guerreiro 3 and R. Tom Price 1

Affiliations: 1 Instituto de Informática, Universidade Federal do Rio Grande do Sul, Brazil , 2 Universidade Nova de Lisboa, Portugal , 3 Universidade do Algarve, Portugal

Digital Object Identifier: 10.5220/0001686001950200

Proceedings of ICEIS 2008, ISBN: 978-989-8111-38-8

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This paper describes how to rank refactoring patterns to improve a set of quality attributes of a piece of software. The Analytical Hierarchy Process (AHP) is used to express the relative importance of the quality attributes and the relative importance of refactoring patterns in regards to those selected quality attributes. This ranking of refactoring patterns can be used to focus the refactoring effort on the most beneficial patterns to the software being developed or maintained.
Collapse Button Related Ontology Subjects/Areas/Topics (6)
Enterprise Information Systems

Methodologies, Processes and Platforms

Software Engineering

Information Systems Analysis and Specification

Model-Driven Software Development

Systems Engineering

ASPECT-ORIENTED ANALYSIS APPLIED TO THE SPACE DOMAIN

Topics: Modeling Concepts and Information Integration Tools; Information Engineering Methodologies; Requirements Analysis

Authors: André Marques 1 , Ricardo Raminhos 1 , Ricardo Ferreira 1 , Rita Ribeiro 1 , Sérgio Agostinho 1 , João Araújo 2 and Ana Moreira 2

Affiliations: 1 UNINOVA – Instituto de Desenvolvimento de Novas Tecnologias, Portugal , 2 Universidade Nova de Lisboa, Portugal

Digital Object Identifier: 10.5220/0002385800710079

Proceedings of ICEIS 2007, ISBN: 978-972-8865-90-0

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This paper presents an aspect metadata approach, which has been developed in the scope of the “Aspect Specification for the Space Domain” project. This approach is based on XML and XML Schema technologies, enabling a rigorous knowledge representation. The proposed approach has been applied to a real complex system, the “Space Environment Support System”, enabling a comparison and evaluation between the proposed approach and the “traditional” requirements analysis methods used during the development of the original version of the system. This paper presents a full description of both the identified metadata concepts and their relationships. The metadata concepts and associated instances have been stored in a Metadata Repository that provides simple navigation facilities between concepts. The Metadata Repository also enables the automatic generation of documentation.
Collapse Button Related Ontology Subjects/Areas/Topics (5)
Enterprise Information Systems

Information Systems Analysis and Specification

Requirements Analysis And Management
Information Engineering Methodologies

Modeling Concepts and Information Integration Tools

A SYSTEMATIC ANALYSIS PATTERNS SPECIFICATION

Topics: Systems Engineering Methodologies; Requirements Analysis

Authors: R. Raminhos 1 , M. Pantoquilho 1 , J. Araújo 2 and A. Moreira 2

Affiliations: 1 UNINOVA – Desenvolvimento de Novas Tecnologias, Portugal , 2 CITI/FCT, Universidade Nova de Lisboa, Portugal

Digital Object Identifier: 10.5220/0002446404530456

Proceedings of ICEIS 2006, ISBN: 978-972-8865-43-6

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Analysis Patterns are indicative analysis solutions for a recurrent problem. Many patterns have been proposed and are successfully used. The writing of a pattern follows a specific structure that can be tailored to each author’s needs. We have developed an analysis pattern template that solves some previously identified gaps on other approaches. This paper focuses on the definition of a systematic process to guide developers to fill in that analysis pattern template. This process will contribute to the unification of the analysis patterns representation, and thus for their understandability and completeness.
Collapse Button Related Ontology Subjects/Areas/Topics (7)
Enterprise Information Systems

Model-Driven Software Development

Software Engineering

Information Systems Analysis and Specification

Requirements Analysis And Management

Systems Engineering
Methodologies, Processes and Platforms

AN XML-BASED LANGUAGE FOR SPECIFICATION AND COMPOSITION OF ASPECTUAL CONCERNS

Topic: Requirements Analysis

Authors: Elisabete Soeiro 1 , Isabel Sofia Brito 2 and Ana Moreira 1

Affiliations: 1 Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Portugal , 2 Escola Superior de Tecnologia e Gestão, Instituto Politécnico de Beja, Portugal

Digital Object Identifier: 10.5220/0002494704100419

Proceedings of ICEIS 2006, ISBN: 978-972-8865-43-6

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Separation of concerns refers to the ability of identifying, encapsulating and manipulating parts of software that are crucial to a particular purpose (Dijkstra, 1976). Traditional software development methods were developed with this principle in mind. However, certain broadly-scoped properties are difficult to modularize and keep separated during the lifecycle, producing tangled representations that are difficult to understand and to evolve. Aspect-oriented software development aims at addressing those crosscutting concerns, known as aspects, by providing means for their systematic identification, separation, representation and composition. This paper focuses on the representation and composition activities, by proposing an XML-based language to specify and compose concerns at the requirements level. An illustration of the proposed approach to an example supported by a tool is presented.
Collapse Button Related Ontology Subjects/Areas/Topics (3)
Enterprise Information Systems

Information Systems Analysis and Specification

Requirements Analysis And Management

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