How do you feel about putting framework annotations on domain objects? For example, what if you had to use annotations to mark some N/Hibernate persistent...
Hi, I have a rather peculiar domain where one of the entities models a taxonomy of properties for a particular business object. Oversimplifying, properties...
How do you deal with calculated domain concepts in a scenario where you use CQS w/o eventsourcing? Due to lack of imagination I'll use a real scenario; Courses...
I personally think that external DSL's are a bit too big and complex to maintain in most scenarios. But I've recently had the chance to build one that is very...
Hi guys and girls, What could be the best strategy to implement an audit trail. In this case, it is just the entities last value and the user who changed it. ...
Hello everyone, we are undertaking a study on how developers contribute to both open and closed source software projects. Please help this research by taking...
I'm sorry, I'm finding it difficult to find a solid CLEAR example of setting up Domain Events. I want to know the common namespace setup, where they should be...
Hi, When I look at most of the CQS samples I get the feeling that the domain events there are very technical. e.g. OrderCreated. Lets say we reason about the...
http://blog.robustsoftware.co.uk/2009/12/cqrs-crack-for-architecture-addicts.html tl;dr Your system is not complex enough for CQRS and even if it was, your...
Hello DDD group, *Object State, how-to persist it?* From a simple product example, let's say we have 4 states. Brand New (something just released, a new...
Hi, I'm interesting in DDD approach, but i have some difficulties to answer questions around a very basic application :) Let say, we have an user which can...
Hi, Some context regarding my issue : Domain Objects : TaxStructure : Kind of Tax Master. Having Tax Head and Percentage, like 12.5% etc. BranchInfo :...
Suppose we have a domain of "Blogging"; with the entities "BlogPost"; and "Comment" if BlogPost.ReplyTo is called, a comment is created and added to the...
Hi all, I have questions regarding more complex CQRS scenarios, than one used in the example application. 1. Say there is an AR which has child entities that...
Hi all. Hi have a question about what's the best practice to save an entity. I Have 2 layers: Domain, DomainServices (Actually i have more, but in this...
Hi all. Hi have a question about what's the best practice to save an entity. I Have 2 layers: Domain, DomainServices (Actually i have more, but in this...
Hi! I am very new to DDD but I have done a fair amount of reading on the subject. As I understand, repositories are where we retrieve and store entity objects,...
Hi all, As a semi-frequent reader of this list and attendee of Greg Young's "unshackle your domain" presentation at QCon SF '08 I've followed the CQRS...
Hi all, I've been discussing part of a domain model with a co-worker today and we got stuck at a certain point. I was hoping that some of you would be ...
Hi All, I'm working on implementing the CQRS pattern for a particular problem in my application and it seems like I might have to nest Commands within another...
I need help. My aggregate is salesOrder with SOLineItem and Item as the members. SalesOrder is the AR. When a new SalesOrder is placed, how do I refer to the...
Hi Guys, I am a bit confused with something here. I have an entity that uses a rates calculator. We have two based on the Setting in the Division I get Either...
I want to expose certain information from an entity as immutable without providing the identifier for the entity either, this is not a read-only version of an...
I was thinking a while about what have been said regarding uniqueness validation in CQS when dealing with ARs. Using event sourcing might be the solution. The...
i've searched the list but couldn't find any podcast/video resources. being on the road a lot this is how i learn nowadays does any one have a stash of videos...
In WCF it's recomended to pack all the parameters into a message so you can pass that message over different protocols. Would you say that there is any...
