![]() ![]() desktop application) as well as external service consumers using different protocols (SOAP vs. The client service layer can be consumed by multiple UI implementations (browser vs. The approach provides an infrastructure which should remain relatively static, even for fast-evolving projects – limited refactoring should be required. The layered approach creates clear delineation of responsibility within the project. The merits of this approach will be highlighted in this section by contrasting the pros and cons of the suggested approach. ![]() Part 2: Pros and cons of this architectural approach ![]() It also performs a mapping function in the sense that it maps models used by external services to internal models used by the application. It encapsulates all logic (such as client code), data structures and configuration artefacts required to interact with these services. The integration layer forms a single integration point to all external services. The engine layer implements a Façade design pattern – it provides a simplified interface into a complex API. It may call multiple providers that implement its SPI. It exposes an API which is consumed by the client service layer and provides a Service Provider Interface (SPI) that defines a contract that must be implemented by the integration layer. The engine layer encapsulates business logic and is implemented as a Stateless Session Bean (SLSB). It exposes an interface which may be consumed by various types of clients, including web and mobile applications. The client service may be implemented as a Web Service, RESTful service or remote EJB. The client service is responsible for coordinating all back-end services required to construct the user interface model.Īlthough the client service is not generally featured in traditional architectural patterns, it enables a level of decoupling from a specific UI implementation, which merits segregation into its own layer. The orchestration of calls to back-end services, to construct a client view, is co-ordinated by the client service of which the UI layer is a consumer. The UI is lightweight as it contains no business or orchestration logic. The UI represents the presentation layer and can be implemented using any web/presentation framework, such as Wicket, JSF, Struts, etc., or client-side Javascript framework such as AngularJS, Knockout, etc. A description of the main components in the diagram is given below. Part 1: Architectural diagram and discussionĮach of the components in the diagram represents a separate architectural layer. ![]() This is followed by a breakdown of the pros and cons of employing the suggested approach. This discussion consists of two parts, namely a diagram, which illustrates the conceptual model of this architectural approach and a discussion of its main elements. The aim of this blog post is to describe the base project structure Symbiotics employs and the merits of the approach. Explaining and trusting expert evidence: What is a ‘sufficiently reliable scientific basis’?, Ward, T.Follow this series as we discuss a Java EE architectural blueprint used at Symbiotics.Īuthors: Deon Taljaard, Jaco Beukes, Zifa Mathebula, Poloko Mphahlele Java EE architectural blueprintĪs the series progresses, we aim to share some more project architectures and discuss the adaptation of the base architecture for a project’s specific requirements.DNA, Secondary Transfer and Sufficiency of Evidence: R v Jones EWCA Crim 1021 R v Killick (Shane) EWCA Crim 785, Ward, T., Wortley, N., In: Archiv fur Rechts- und Sozialphilosophie Arguments and Stories in Legal Reasoning: The Case of Evidence Law, Andresani, G., Ward, T.R v Muldoon EWCA Crim 381, 2 Cr App R 8, Wortley, N., Ward, T.Expert Evidence, Hearsay and Victims of Trafficking: R v Brecani EWCA Crim 731, Mennim, S., Ward, T.Bodies of Knowledge and Robes of Expertise: Expert Evidence about Drugs, Gangs and Human Trafficking, Ward, T., Fouladvand, S.Prosecution of Victims of Trafficking: R v AAD, R v AAH, R v AAI EWCA Crim 106, Ward, T., 100 Years of the Infanticide Act, London, Hart Publishing Manslaughter, Concealment of Birth and Infanticide, 1900-37, Dixon, R., Ward, T.Jun 2022, In: Journal of International and Comparative Law Comparing Transnational Legal Orders: Criminalisation, Labour Law and Forced Labour, Fouladvand, S., Ward, T.The Forensic Ethics of Scientific Communication, Ward, T.Please visit the Pure Research Information Portal for further information.Applicant Terms and Conditions and Policies.International & EU Fees, Funding & Scholarships.Funding and Scholarships for International Students.Northumbria University UCAS Exhibitions. ![]()
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