Domain-driven design (DDD) is an approach to develop software for complex needs by connecting the implementation to an evolving model.

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Command handlers and DDD

I have an ASP.NET MVC application, that uses a query service to get data and a command service to send commands. My question is about the command part. If a request comes in, the command service uses ...
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Inject dependency as method parameter instead of constructor parameter

I'm using an ORM which doesn't allow me to inject dependencies in the constructor. Let's say I'm using DDD for the business logic, and the MVC pattern for the UI. Now one of my domain objects needs ...
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Should the domain model include all the domain entities in my project?

I have currently reading Grails and I love it. In order to get hands on experience with Grails I decided to create a web application for some Management System. Ya as you can guess there are plenty of ...
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Domain-Driven-Design - external dependencies in the Entity problem

I'd like to start Domain-Driven-Design, but there are several problems I'd like to solve before starting :) Let's imagine I have a Groups and Users and when user wants to join a group, I'm calling ...
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Data access for composable applications

I'm wondering if anyone can share their thoughts, experience and guidance on how to approach the data access layer for a composable application? By composable application, I mean an application with ...
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Tools to support learning a new business domain [closed]

Suppose you just accepted a job, writing code in an industry sector that you've never worked in before. To be effective, you want to immerse yourself in the business domain - to understand the ...
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Architecting a modular service application

I'm looking at architecting a new solution that is very modular by nature and would like to create a structure that supports that design to allow for easy future expansion, clear separation of ...
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With all of these services, how can I not be anemic?

Where do we draw the line between delegation and encapsulation of business logic? It seems to me that the more we delegate, the more anemic we become. However, delegation also promotes reuse and the ...
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DDD – A rookie’s unanswered questions

I’ve decided to use DDD in one of my pet projects to find out what the fuss is about! Let me start off by saying that this (DDD) is the way software SHOULD be written, I’ve seen some strange patterns ...
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What is the best practice for gathering requirements when a customer does not know what he wants? [duplicate]

Possible Duplicate: How do you deal with changing requirements? This question must have been asked a thousand times but there seems to be little progress in this area: I have asked the ...
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Which layers should reflect the domain language (if a domain language can strictly exist)?

This question relates to a one I asked earlier: http://stackoverflow.com/questions/5448574/under-what-conditions-could-we-justify-an-attempt-to-introduce-a-one-size-fits-al When re-reading ...
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DDD + POCO does this makes sense?

DDD promotes rich domain models with behavior in it, POCO naked objects without any objects in it. Is it possible to have them both combined? I have a Multi Layer Solution Core - has POCO ...
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Duplication in parallel inheritance hierarchies

Using an OO language with static typing (like Java), what are good ways to represent the following model invariant without large amounts of duplication. I have two (actually multiple) flavours of the ...
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Any examples of using Visio to document software?

I have Visio 2010 and want to learn how to use it to document software. Does anyone have examples of what Visio does well? Are there any things that Visio can do, but there are better tools for the ...
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1answer
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How to deal with queries that do not return full entities in Domain Driven Design?

In my application, I have a listing of information that is deducted from a query that combines information from several entities. In itself, a very common situation. Now, the corresponding repository ...
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1answer
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Can a domain specific language be used to representing the Open SRD

I am in the early stages of creating an open source C# library that would allow developers to drop in the open SRD (http://www.d20srd.org/) into an existing project. Abstracted it is a complex set of ...
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Are DDD Aggregates really a good idea in a Web Application?

I'm diving in to Domain Driven Design and some of the concepts i'm coming across make a lot of sense on the surface, but when I think about them more I have to wonder if that's really a good idea. ...
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Can an aggregate root hold references of members of another aggregate root?

I know that outside of aggregates I can't change anything inside an aggregate without passing by his root. That said I would like to know if an aggregate root can hold references of members (objects ...
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Is Domain Driven Design useful / productive for not so complex domains?

When assessing a potential project at work, I suggested that it might be advantageous to use a domain driven design approach to its object model. The project does not have an excessively complex ...
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Programming and Ubiquitous Language (DDD) in a non-English domain

I know there are some questions already here that are closely related to this subject but none of them take Ubiquitous Language as the starting point so I think that justifies this question. For ...
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Refactoring in domain driven design [closed]

I've just started working on a project and we're using domain-driven design (as defined by Eric Evans in Domain-Driven Design: Tackling Complexity in the Heart of Software. I believe that our project ...
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Do immutable objects and DDD go together?

Consider a system that uses DDD (as well: any system that uses an ORM). The point of any system realistically, in nearly every use case, will be to manipulate those domain objects. Otherwise there's ...