Domain Driven Design Using Naked Objects
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Domain-driven Design Using Naked Objects
Domain-driven design (DDD) focuses on what matters in enterprise applications: the core business domain. Using object-oriented principles, you can develop a domain model that all team members-including business experts and technical specialists-can understand. Even better, this model is directly related to the underlying implementation.But if you've tried building a domain-driven application then you'll know that applying the DDD principles is easier said than done. Naked Objects, an open-source Java framework, lets you build working applications simply by writing the core domain classes. Naked Objects automatically renders your domain object in a generic viewer--either rich client or HTML. You can use its integration with Fitnesse to test-drive the development of your application, story-by-story. And once developed, you can deploy your application either to the full Naked Objects runtime, or within your existing application infrastructure.In this book, Dan Haywood first gives you the tools to represent your domain as plain old Java objects, expressing business rules both declaratively and imperatively. Next, you'll learn the techniques to deepen your design while keeping it maintainable as the scope of your application grows. Finally, you'll walk through the development practices needed to implement your domain applications, taking in testing, deployment, and extending Naked Objects itself. Throughout the book, you'll build a complete sample application, learning key DDD principles as you work through the application step by step. Every chapter ends with exercises to gain further experience in your own projects.Through its focus on the core business domain, DDD delivers value to your business stakeholders, and Naked Objects makes using DDD easy to accomplish. Using Naked Objects, you'll be ready in no time to build fully featured domain-driven applications.
Domain-Driven Design
Domain-Driven Design fills that need. This is not a book about specific technologies. It offers readers a systematic approach to domain-driven design, presenting an extensive set of design best practices, experience-based techniques, and fundamental principles that facilitate the development of software projects facing complex domains. Intertwining design and development practice, this book incorporates numerous examples based on actual projects to illustrate the application of domain-driven design to real-world software development. Readers learn how to use a domain model to make a complex development effort more focused and dynamic. A core of best practices and standard patterns provides a common language for the development team. A shift in emphasis–refactoring not just the code but the model underlying the code–in combination with the frequent iterations of Agile development leads to deeper insight into domains and enhanced communication between domain expert and programmer. Domain-Driven Design then builds on this foundation, and addresses modeling and design for complex systems and larger organizations.Specific topics covered include: With this book in hand, object-oriented developers, system analysts, and designers will have the guidance they need to organize and focus their work, create rich and useful domain models, and leverage those models into quality, long-lasting software implementations.
Applying Domain-Driven Design and Patterns
Patterns, Domain-Driven Design (DDD), and Test-Driven Development (TDD) enable architects and developers to create systems that are powerful, robust, and maintainable. Now, there’s a comprehensive, practical guide to leveraging all these techniques primarily in Microsoft .NET environments, but the discussions are just as useful for Java developers. Drawing on seminal work by Martin Fowler (Patterns of Enterprise Application Architecture) and Eric Evans (Domain-Driven Design), Jimmy Nilsson shows how to create real-world architectures for any .NET application. Nilsson illuminates each principle with clear, well-annotated code examples based on C# 1.1 and 2.0. His examples and discussions will be valuable both to C# developers and those working with other .NET languages and any databases–even with other platforms, such as J2EE. Coverage includes · Quick primers on patterns, TDD, and refactoring · Using architectural techniques to improve software quality · Using domain models to support business rules and validation · Applying enterprise patterns to provide persistence support via NHibernate · Planning effectively for the presentation layer and UI testing · Designing for Dependency Injection, Aspect Orientation, and other new paradigms