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Model-driven development for Microservices : A domain-specific modeling language for KubernetesJohansson, Daniel January 2022 (has links)
In the digital age that we live in today, we are dependent on numerous web applications or services, from dealing with banking, booking air flights, and handling our taxes. We expect these applications and services to support high availability, data loss prevention, and fast response time. Microservices is a design pattern to support faster software change, and it also supports other non-functional attributes such as scalability and high availability. One way to deploy your software as microservices is to use containers and deploy them on a container cluster such as Kubernetes. The public opinion about writing Kubernetes deployment files is that it is complex and repetitive writing. This project aims to see how model-driven development can assist with the creation of the Kubernetes deployment files. To see how model-driven development can assist in the creation of Kubernetes files. The project will implement a domain-specific modeling language for Kubernetes, and the language should be able to model the application's desired states. And by using model transformation, the tool can generate Kubernetes deployable files.
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Intuitive Model Transformations: A Guided Framework for Structural ModelingDiGennaro, Nicholas John 20 April 2021 (has links)
No description available.
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Linguagem específica de domínio para abstração de solução de processamento de eventos complexosDINIZ, Herbertt Barros Mangueira 04 March 2016 (has links)
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Previous issue date: 2016-03-04 / Cada vez mais se evidencia uma maior escassez de recursos e uma disputa por
espaços físicos, em decorrência da crescente e demasiada concentração populacional nas
grandes cidades. Nesse âmbito, surge a necessidade de soluções que vão de encontro à
iniciativa de “Cidades Inteligentes" (Smart Cities). Essas soluções buscam centralizar o
monitoramento e controle, para auxiliar no apoio à tomada de decisão. No entanto, essas
fontes de TICs formam estruturas complexas e geram um grande volume de dados, que
apresentam enormes desafios e oportunidades.
Uma das principais ferramentas tecnológicas utilizadas nesse contexto é o Complex
Event Processing (CEP), o qual pode ser considerado uma boa solução, para lidar com o
aumento da disponibilidade de grandes volumes de dados, em tempo real. CEPs realizam
captação de eventos de maneira simplificada, utilizando linguagem de expressão, para
definir e executar regras de processamento. No entanto, apesar da eficiência comprovada
dessas ferramentas, o fato das regras serem expressas em baixo nível, torna o seu uso
exclusivo para usuários especialistas, dificultando a criação de soluções.
Com intuito de diminuir a complexidade das ferramentas de CEP, em algumas
soluções, tem-se utilizado uma abordagem de modelos Model-Driven Development (MDD),
a fim de se produzir uma camada de abstração, que possibilite criar regras, sem que
necessariamente seja um usuário especialista em linguagem de CEP. No entanto, muitas
dessas soluções acabam tornando-se mais complexas no seu manuseio do que o uso
convencional da linguagem de baixo nível.
Este trabalho tem por objetivo a construção de uma Graphic User Interface (GUI)
para criação de regras de CEP, utilizando MDD, a fim de tornar o desenvolvimento mais
intuitivo, através de um modelo adaptado as necessidades do usuário não especialista. / Nowadays is Increasingly evident a greater resources scarcity and competition for
physical space, in result of growing up and large population concentration into large cities.
In this context, comes up the necessity of solutions that are in compliance with initiative of
smart cities. Those solutions seek concentrate monitoring and control, for help to make
decisions. Although, this sources of information technology and communications (ITCs)
forming complex structures and generates a huge quantity of data that represents biggest
challenges and opportunities.
One of the main technological tools used in this context is the Complex Event
Processing (CEP), which may be considered a good solution to deal with increase of the
availability and large volume of data, in real time. The CEPs realizes captation of events in
a simple way, using expressive languages, to define and execute processing rules. Although
the efficient use of this tools, the fact of the rules being expressed in low level, becomes
your use exclusive for specialists, difficulting the creation of solutions.
With the aim of reduce the complexity of the CEPs tools, solutions has used an
approach of models Model-Driven Development (MDD), in order to produce an abstraction
layer, that allows to create rules, without necessarily being a specialist in CEP languages.
however, many this tools become more complex than the conventional low level language
approach.
This work aims to build a Graphic User Interface (GUI) for the creation of CEP rules,
using MDD, in order to a more intuitive development, across of the adapted model how
necessities of the non specialist users.
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Collaborative Construction of Telecommunications Services. An Enterprise Architecture and Model Driven Engineering MethodCHIPRIANOV, Vanea 16 January 2012 (has links) (PDF)
In the context of world economies transitioning to services, telecommunications services are the primary means of communication between different economic entities and are therefore essential. The focus on the end consumer, the convergence with the Internet, the separation between the software and the hardware implementing a service, and the telecommunications market deregulation have led to a revolution and a new era in the telecommunications industry. To meet these challenges, former national telecommunications providers have to reduce the construction time, from months to days, while affecting non-negatively other parameters (e.g., cost, quality of service, quality of experience) of new telecommunications services. To tackle this broad theme, we propose a telecommunications service construction process, the software tools that are to be used in this process and a tool building process to build them. The telecommunications service construction process reflects current practices in the telecommunications industry. As such, it should be (easily) accepted by practitioners. The software tools (i.e., Domain Specific Modeling Languages designed as profiles of an Enterprise Architecture Modeling Language, graphical editors, code generators, Off the Shelf network simulators, a collaboration Design Rationale Domain Specific Modeling Language) help telecommunications providers face the challenges. The tool building process relies on models and provides a high automation degree, hence software tools can be build more rapidly. We illustrate the telecommunications service construction process and the tools using a multimedia conferencing service. Our proposals contribute to reducing the construction time of new telecommunications services, while providing the possibility of improved quality of service and increased involvement of the consumer. Faster provisioning of new telecommunications services, that better answer the consumers¿ needs, will increase the rate of development of new economic services in general, and will ultimately have a positive impact on world economic development.
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Ingéniérie dirigée par les modèles pour la gestion de la variabilité dans le test d'applications mobiles / Model-Driven Engineering for Variability Management in Mobile Application TestingRidene, Youssef 23 September 2011 (has links)
L'engouement du grand public pour les applications mobiles, dont le nombre ne cessede croître, a rendu les utilisateurs de plus en plus exigeants quant à la qualité de cesapplications. Seule une procédure de test efficace permet de répondre à ces exigences.Dans le contexte des applications embarquées sur téléphones mobiles, le test est unetâche coûteuse et répétitive principalement à cause du nombre important de terminauxmobiles qui sont tous différents les uns des autres.Nous proposons dans cette thèse le langage MATeL, un DSML (Domain-Specific ModelingLanguage) qui permet de d’écrire des scénarios de test spécifiques aux applicationsmobiles. Sa syntaxe abstraite, i.e. un méta modèle et des contraintes OCL, permet auconcepteur de manipuler les concepts métier du test d'applications mobiles (testeur, mobileou encore résultats attendus et résultats obtenus). Par ailleurs, il permet d'enrichirces scénarii avec des points de variabilité qui autorisent de spécifier des variations dansle test en fonction des particularités d'un mobile ou d'un ensemble de mobiles. La syntaxeconcrète de MATeL, qui est inspirée de celle des diagrammes de séquence UML,ainsi que son environnement basé sur Eclipse permettent à l'utilisateur de concevoir desscénarii relativement facilement.Grâce à une plateforme de test en ligne construite pour les besoins de notre projet,il est possible d'exécuter les scénarii sur plusieurs téléphones différents. La démarcheest illustrée dans cette thèse à travers des cas d'utilisation et des expérimentations quiont permis de vérifier et valider notre proposition. / Mobile applications have increased substantially in volume with the emergence ofsmartphones. Ensuring high quality and successful user experience is crucial to the successof such applications. Only an efficient test procedure allows developers to meet these requirements. In the context of embedded mobile applications, the test is costly and repetitive. This is mainly due to the large number of different mobile devices. In this thesis, we describe MATeL, a Domain-Specific Modeling Language (DSML) for designing test scenarios for mobile applications. Its abstract syntax, i.e. a meta model and OCL constraints, enables the test designer to manipulate mobile applications testing concepts such as tester, mobile or outcomes and results. It also enables him/her to enrich these scenarios with variability points in the spirit of Software Product-Line engineering, that can specify variations in the test according to the characteristics of one mobile or a set of mobiles. The concrete syntax of MATeL that is inspired from UML sequence diagrams and its environment based on Eclipse allow the user to easily develop scenarios. MATeL is built upon an industrial platform (a test bed) in order to be able to run scenarios on several different phones. The approach is illustrated in this thesis through use cases and experiments that led to verify and validate our contribution.
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Autoria de e-books Interativos: modelo conceitual fábulas e requisitos / Authorship of Interactive e-books: conceptual model fables and requirementsPINTO, Hedvan Fernandes 24 April 2017 (has links)
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Previous issue date: 2017-04-24 / Nowadays, tablet and smartphones are commonly used by children for both entertainment and education. Interactive e-book for mobile devices offer a enhanced experience when compared to traditional books, being potentially more engaging and fun for readers. However, to explore the most interesting features in these environments, authors have scarce support. In the sense that there are not many high level support tools and that these features are usually only accessible programmatically. In this work, we intend to extract as main characteristics of interactive e-books and propose a model called Fábulas that allow authors to create declarative interactive e-books. The model was designed based on a systematic analysis of interactive e-books, authoring tools and authoring languages for multimedia applications. In addition, this dissertation presents a case study for an implementation of Fábulas for web browsers with Javascript and HTML and for a SceneSync language. / Hoje em dia, os tablets e smartphones são comumente usados por crianças tanto para entretenimento quanto para educação. E-books interativos em dispositivos móveis permitem uma experiência mais rica quando comparada com livros tradicionais, sendo potencialmente mais envolvente e divertido para os leitores. Contudo, para explorar os recursos mais interessantes nesses ambientes, os autores têm pouco suporte. No sentido de que não existem muitas ferramentas de apoio de nível elevado e que estas funcionalidades são normalmente acessíveis apenas através de programação. Neste trabalho, retendemos extrair as principais características de e-books interativos e propor um modelo chamadoFábulas que permite aos autores criarem e-books interativos declarativamente. O modelo foi concebido tomando como ponto de partida uma análise sistemática de e-books interativos, ferramentas de autoria e linguagens de autoria para aplicações multimídia. Além disso, esta dissertação apresenta um estudo de caso para a implementação de Fábulas para navegadores web com Javascript e HTML e para a linguagem SceneSync.
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Réutilisation de composants logiciels pour l'outillage de DSML dans le contexte des MPSoC / Reuse of legacy code for DSML tools in the context of MPSoCVallejo, Paola 15 December 2015 (has links)
La conception d’un langage de modélisation pour domaine spécifique (DSML) implique la conception d’un outillage dédié qui met en oeuvre des fonctionnalités de traitement et d’analyse pour ce langage. Dans bien des cas, les fonctionnalités à mettre en oeuvre existent déjà , mais elles s’appliquent à des portions ou à des variantes du DSML que le concepteur manipule. Réutiliser ces fonctionnalités existantes est un moyen de simplifier la production de l’outillage d’un nouveau DSML. La réutilisation implique que les données du DSML soient adaptées afin de les rendre valides du point de vue de la fonctionnalité à réutiliser. Si l’adaptation est faite et les données sont placées dans le contexte de la fonctionnalité, elle peut être réutilisée. Le résultat produit par l’outil reste dans le contexte de l’outil et il doit être adapté afin de le placer dans le contexte du DSML (migration inverse). Dans ce cadre, la réutilisation n’a de sens que si les deux adaptations de données sont peu coûteuses. L’objectif de cette thèse est de proposer un mécanisme qui intègre la migration, la réutilisation et la migration inverse. La principale contribution est une approche qui facilite la réutilisation de fonctionnalités existantes via des migrations de modèles. Cette approche facilite la production de l’outillage d’un DSML. Elle permet de faire des migrations réversibles entre deux DSMLs sémantiquement proches. L’utilisateur est guidé lors du processus de réutilisation pour fournir rapidement l’outillage complet et efficace d’un DSML. L’approche a été formalisée et appliquée à un DSML (Orcc) dans le contexte des MPSoC. / Designers of domain specific modeling languages (DSMLs) must provide all the tooling of these languages. In many cases, the features to be developped already exist, but it applies to portions or variants of the DSML.One way to simplify the implementation of these features is by reusing the existing functionalities. Reuse means that DSML data must be adapted to be valid according to the functionality to be reused. If the adaptation is done and the data are placed in the context of the functionality, it can be reused. The result produced by the tool remains in the context of the tool and it must be adapted to be placed in the context of the DSML (reverse migration).In this context, reuse makes sense only if the migration and the reverse migration are not very expensive. The main objective of this thesis is to provide a mechanism to integrate the migration, the reuse and the reversemigration and apply them efficiently. The main contribution is an approach that facilitates the reuse of existing functionalities by means of model migrations. This approach facilitates the production of the tooling for a DSML. It allows reversible migration between two DSMLs semantically close. The user is guided during the ruse process to quickly provide the tooling of his DSML.The approach has been formalised et applied to a DSML (Orcc) in the context of the MPSoC.
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Execution trace management to support dynamic V&V for executable DSMLs / Gestion de traces d'exécution pour permettre la vérification et la validation pour des langages de modélisation dédiés exécutablesBousse, Erwan 03 December 2015 (has links)
Les techniques dynamiques de vérification et validation (V&V) de modèles sont nécessaires pour assurer la qualité des modèles exécutables. La plupart de ces techniques reposent sur la concept de trace d'exécution, une séquence contenant un ensemble d'informations sur une exécution. Par conséquent, pour permettre la V&V dynamique de modèles exécutables conformes à n'importe quel langage de modélisation dédié exécutable (LMDx), il est crucial de fournir des outils pour construire et manipuler toutes sortes de traces d'exécution. À cet effet, nous proposons d'abord une approche de clonage efficace de modèles afin de pouvoir construire des traces d'exécution génériques à base de clones. À l'aide d'un générateur aléatoire de métamodèles, nous montrons que cette approche passe à l'échelle avec seulement un léger surcoût lors de la manipulation de clones. Nous présentons ensuite une approche générative pour définir des métamodèles dédiés et multidimensionnels pour représenter des traces d'exécution, qui consiste à créer la structure de données spécifique aux traces d'exécution d'un LMDx donné. Ainsi, les traces d'exécution de modèles conformes à ce LMDx peuvent être capturées et manipulées efficacement de manière dédiée et à l'aide de différentes dimensions. Nous appliquons cette approche à deux techniques de V&V dynamiques existantes, à savoir la différentiation sémantique et le débogage omniscient. Nous montrons qu'un tel métamodèle de traces d'exécution généré fournit une bonne facilité d'usage et un bon passage à l'échelle pour la V&V dynamique au plus tôt pour n'importe quel LMDx. Nous avons intégré notre travail au sein du GEMOC Studio, un environnement de définition de langages et de modélisation issu de l'initiative internationale du même nom. / Dynamic verification and validation (V&V) techniques are required to ensure the correctness of executable models. Most of these techniques rely on the concept of execution trace, which is a sequence containing information about an execution. Therefore, to enable dynamic V&V of executable models conforming to any executable domain-specific modeling language (xDSML), it is crucial to provide efficient facilities to construct and manipulate all kinds of execution traces. To that effect, we first propose a scalable model cloning approach to conveniently construct generic execution traces using model clones. Using a random metamodel generator, we show that this approach is scalable in memory with little manipulation overhead. We then present a generative approach to define multidimensional and domain-specific execution trace metamodels, which consists in creating the execution trace data structure specific to an xDSML. Thereby, execution traces of models conforming to this xDSML can be efficiently captured and manipulated in a domain-specific way. We apply this approach to two existing dynamic V&V techniques, namely semantic differencing and omniscient debugging. We show that such a generated execution trace metamodel provides good usability and scalability for dynamic early V&V support for any xDSML. Our work have been implemented and integrated within the GEMOC Studio, which is a language and modeling workbench resulting from the eponym international initiative.
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Catálogo de modelos de computação para o desenvolvimento de linguagens específicas de modelagem de domínio. / Catalog of models of computation for the development of domain-specific modeling languages.Fernandes, Sergio Martins 13 June 2013 (has links)
Esta tese apresenta um processo para a criação de um catálogo de modelos de computação para apoiar o design de DSMLs, e a primeira versão do catálogo, com atributos que ajudam a selecionar os modelos de computação mais adequados para cada desenvolvimento de DSML, e as características dos sistemas de software para os quais esses modelos de computação são mais adequados. O contexto de aplicação desse catálogo é o Model-Driven Development (MDD desenvolvimento dirigido por modelos) a abordagem em que o desenvolvimento de software é baseado em modelos gráficos que são posteriormente traduzidos (transformados) em modelos de nível mais baixo e, no final, em código de linguagens de programação, tais como Java ou C#. A aplicação do processo gerou uma versão inicial do catálogo com os seguintes modelos de computação: diagramas BPMN, diagramas de classe da UML e regras de negócio. Visa-se contribuir para popularizar a abordagem de MDD com base em DSMLs e, em particular, a elaboração do design das DSMLs a partir de modelos de domínio, para o que o uso do catálogo efetivamente contribui. / This thesis presents a process for the creation of a catalog of models of computation to support the design of Domain-Specific Modeling Languages (DSMLs), and the first version of the catalog, which comprises attributes that aim to help the selection of the most suitable models of computation for each DSML development, and characteristics of software systems for which these models of computation are more appropriate. The context for the use of the catalog is the Model-Driven Development (MDD) - the approach where software development is based on graphical models that are subsequently translated (transformed) into lower-level models and, in the end, in source code in programming languages, such as Java or C #. The process was applied to generate an initial version of the catalog with the following models of computation: BPMN diagrams, UML class diagrams and business rules. It aims to contribute to popularize the MDD approach based in DSMLs, and in particular, the development of the DSMLs design from domain models, for which the use of the catalog effectively contributes.
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Uma linguagem de modelagem de domínio específico para linhas de produto de software dinâmicas / A domain specific modeling language to dynamic software product linesBorelli, Helberth 06 May 2016 (has links)
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Previous issue date: 2016-05-06 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / Systems which involve adaptations due to context changes have the challenge of adapting
software systems at runtime. This thesis adopts as proposal the adaptation of resources in
the form of features, involving concepts of Feature Oriented Domain Analysis. A possible
approach to develop systems based on adaptable features at runtime is the concept of
Dynamic Software Product Line (DSPL), which can be implemented by Metamodels.
The aim of this thesis is the development of a Domain Specific Modeling Language
(DSML) for DSPL, designed from the construction of a metamodel for the development
of DSPLs, which is divided in three metamodels: of features, of variabilities and of
applications to derive products. The variabilities metamodel aims at modeling contracts
that must negotiate the product adaptation to the features that may be present or not
in the execution environment. Adaptations are based in state machines, which address
changes of feature state or changes by transitions of equivalent features, in order to
keep the execution of the software product. The developed DSML still plays the role
of extending the constraints imposed by the metamodels, as well as to generate codes in
general-purpose language based on modeling features, variabilities and applications. In
order to validate the proposal, the DSML was used to model two DSPLs, including the
derivation of products and the execution in a platform based in OSGi specification. / Sistemas que envolvem adaptação em decorrência de mudanças de contexto possuem
como desafio a adaptação do sistema de software em tempo de execução. Esta dissertação
adota como proposta a adaptação de recursos na forma de características, envolvendo o
conceito de Análise de Domínio Orientada a Características. Uma abordagem para o desenvolvimento
de sistemas baseados em características adaptáveis em tempo de execução
é o conceito de Linha de Produto de Software Dinâmica (LPSD), o qual pode ser implementado
por meio do desenvolvimento de Metamodelos. O objetivo desta dissertação é
o desenvolvimento de uma Linguagem de Modelagem de Domínio Específico (do inglês,
Domain Specific Modeling Language - DSML) para LPSD, concebida a partir da construção
de um metamodelo para o desenvolvimento de LPSDs, o qual está dividido em três
metamodelos: de características, de variabilidades e de aplicação para derivação de produtos.
Em destaque, o metamodelo de variabilidade tem como objetivo a modelagem de
contratos que devem negociar a adaptação dos produtos às características que poderão estar
ou não presentes no ambiente de execução. As adaptações são baseadas em máquinas
de estado, as quais abordam a mudança de estado de uma característica ou a mudança por
transição de características equivalentes, com o intuito de manter a execução do produto
de software. A DSML desenvolvida tem ainda o papel de estender as restrições impostas
pelos metamodelos, assim como gerar códigos em linguagem de propósito geral com
base na modelagem de características, variabilidades e aplicações. No sentido de validar
a proposta, a DSML foi usada para a modelagem de duas LPSDs, incluindo a derivação
de produtos e a execução em uma plataforma baseada na especificação OSGi.
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