Rapid RIA Development

8/8/2019 Rapid RIA Development

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Vstavn 230/24, 149 00 Praha 4, [email protected], www.baud.cz

RAPID RIA DEVELOPMENTUSING .NET TECHNOLOGIESAugustin ulc

Petr Hoek


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GOALS


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Outline> Preliminary

> Architecture> Data Source

> Web Server

> Client

> Rapid Development


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Demo ApplicationProject-management tool


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PRELIMINARY


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Rich Internet ApplicationDesktop-like web application


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Compared to Web Applications

> Richer user interface> Reduced communication

> Better development support

> Need for browser plugin


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Available RIA Platforms

> Adobe Flash, Flex and AIR> Microsoft Silverlight

> Oracle Java Applets/JavaFX

> HTML(5) + JavaScript


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Microsoft Silverlight.NET Framework & WPF subset


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Microsoft SilverlightInteractive UX


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ARCHITECTURE


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Common ArchitectureThree-Layered Services Architecture


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Application LayersSeparation of concerns, high cohesion & loose coupling


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DATA SOURCE


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Data StoreConventional relational database


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WEB SERVER


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Domain ModelAbstracting relational schema


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Domain Model> ADO.NET Entity Framework> LINQ to SQL

> NHibernate


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Application Service LayerExposing domain functionality


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Application Service Layer> WCF web services> WCF Data Services

> WCF RIA Services


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WCF Web ServicesExposes functionality via operations


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WCF Data ServicesExposes data via context


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Data Services over Web Services> Batching and transactions> Automatic change tracking

> Limited client LINQ


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WCF RIA ServicesExposes domain via context


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RIA Services over Data Services> Localization and validation> Metadata propagation

> Full client LINQ


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CLIENT


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Model and ResourcesDelivered via service contract


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Presentation LayerSeparation of UX from business logic


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Model-View-ViewModel patternViewModel as mediator for View and Model


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MVVM Implementations> Prism 4> Caliburn

> MVVM Light Toolkit, etc.


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Prism 4Guidance for Silverlight applications


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CaliburnPowerfull client framework for Silverlight


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Caliburn over Prism 4> Convention over configuration> Focus on real cases

> Out-of-the-box functionality


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Caliburn.Micro90% of Caliburn in 10% of code


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RAPID DEVELOPMENT


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Development Tools.NET Framework, Visual Studio, Expression Blend, etc.


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Frameworks & LibrariesWCF RIA Services, Caliburn, MEF, etc.


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Even More Rapid!Model-driven code generation


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T4Template-based text generation framework


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T4RIATemplate for WCF RIA Services


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T4RIAGenerating services, metadata and localization


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Summary> Web & desktop applications alternative

> Three layered service architecture

> Model-View-ViewModel

> Rapid development


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RIA DevelopmentEasy on .NET platform and fast with T4RIA


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Questions


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Real-life application

Card management system developed as RIA


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Statistics> 3.5 developers, 3 months

> 130k SLOC (47k generated)> 110+ tables, 4M+ entries

> 50+ form screens

> 30+ users

Rapid RIA Development

Documents