TUTCRIS - Tampereen teknillinen yliopisto


Scenario-Driven Development of Service-Oriented Systems



KustantajaTampere University of Technology
ISBN (elektroninen)978-952-15-2979-5
ISBN (painettu)978-952-15-2975-7
TilaJulkaistu - 14 joulukuuta 2012
OKM-julkaisutyyppiG4 Monografiaväitöskirja


NimiTampere University of Technology. Publication
KustantajaTampere University of Technology
ISSN (painettu)1459-2045


Service-oriented architecture (SOA) is a software architectural style, which relies on reusable and composable services. In addition to software-orientation, SOA includes a business viewpoint, so that business requirements can be captured as high level business processes. Business processes can be implemented, for example, as an orchestration of different service components. Individual services participate in the overall execution of business processes by providing elementary service activities. In addition to flexibility and services reuse, bridging of business and information technology (IT) views is one of the claimed benefits of SOA. Development of service-based systems includes a range of different activities. However, development of service-based systems is still lacking systematic and tool vendor independent practices and development methods. In this thesis, a development process for a service provider, called Service Product Development Process (SPDP), is presented. It consists of several development phases and related activities. The input for SPDP includes high level business process requirements. The result of the process is a new service-based product to be added to the service provider’s product portfolio. The purpose of this thesis is to study the applicability and the benefits of applying a scenario-driven approach, a type of requirement-driven development, for the development of service-based systems. Scenarios are used to capture functional system requirements as simple message sequences given as UML sequence diagrams. The scenario-driven approach is applied to different phases of SPDP including business process development, service specification, and service realization. The proposed scenario-driven approach is not limited to the SPDP context. It is rather a general purpose framework for development of service-based systems or products, called SceDA. SceDA includes three independent scenario-based methods, which are targeted to support different development phases of service-based systems. One of the three methods is used for scenario-based business process development. The other two methods are targeted at service development, in particular, service specification and service realization. Service specification is supported by a method for automatically mining and re-documenting the development rules as scenarios. To support service realization, a method for generating source code for individual service and client applications has been developed. Each method includes a description of the developed tool support and a case study.Case studies are used for constructing and evaluating the three scenario-based methods developed. Each method is applied as a case study in the context of development phases of SPDP. In the first case study, scenario-driven business process development method is applied. Two other case studies concern constructing and using scenarios for application development. One case study utilizes the scenario mining method. In the other case study, the code generation method is applied.

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