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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

UML CASE įrankio išplėtimas modelių transformacijomis / UML CASE tool extension with model transformations

Vitiutinas, Ruslanas 06 June 2006 (has links)
In this master thesis the advanced design methodology is presented by which information systems requirements represented with precise UML models are transformed to project. The first section describes a research of five existing MDA tools comparison according to evaluation criteria. This criteria covers model to model and model to code transformations approach, platform of generated code and integration with UML CASE tools abilities. For requirements model transformation to design, plug-in for CASE tool MagicDraw is created according MDA standards. Model transformation plug-in takes system requirement model as input and generates design model. In this way it is possible to implement design methods that have explicit design rules. Created plug-in requirements, functional specification and architecture described in Project section. The investigation section describes investigation of the developed plug-in. In this section were investigate the working efficiency of designer increasing and the quality of design models ensuring with create MagicDraw plug-in.
2

UML CASE įrankio išplėtimas duomenų vientisumo reikalavimų kodo generavimui / UML CASE tool extension for generating code for implementation of integrity requirements

Blaževič, Valdemar 11 August 2008 (has links)
Šiame darbe sprendžiamos grafinio vientisumo reikalavimų vaizdavimo loginiuose duomenų modeliuose bei jų kodo realizavimo problemos. Sprendžiant šiuos uždavinius, buvo analizuojami vientisumo reikalavimų tipai, UML plėtimo mechanizmai bei esamos vientisumo reikalavimų įgyvendinimo CASE įrankiuose galimybės.Vientisumo reikalavimus UML modeliuose galima užrašyti OCL kalba, tačiau OCL yra per sudėtinga daugeliui projektuotojų. Be to, SQL kodo generavimas iš OCL kol kas nėra efektyvus. Šio magistrinio darbo tikslas yra padidinti UML CASE įrankių duomenų bazių projektavimo galimybes, sukuriant vientisumo reikalavimų vaizdavimo ir kodo generavimo priemones. / Fulfillment of data integrity constraint requirements is one of main problems in information system development process. The constraints are implemented at physical system development level. Despite the fact that most of current UML CASE tools allow to specify constraints using OCL language, for the most of system analytics and architects use of OCL is too complicated. Currently SQL code generated from OCL constraint implementation is not effective. In this study we will present alternative approach for constraint requirement implementation using UML2 extension possibilities – profiles and stereotypes with tag values. Also we will present SQL code generation template language and code template based constraint requirement transformation to SQL code algorithm. It was used to extend UML Case tool MagicDraw.

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