Greetings, I'm trying to get a grip on how to use Hibernate (NHibernate actually) in a Repository. Is there a best practice regarding whether to push the...
If business rules are constantly changing (let's say every few weeks) how can we manage these changes. It seems as if one strategy is to embed the business...
Hi, My strategy (domain algorithm) classes take in the Domain Entities as part of their (strategy) c'tor. Later on the, when execute is invoked on the...
Hi, My domain layer is exposed to the UI (there is no DTO). Now the domain has both apis meant to be called from the UI layer (getters and setters for the...
Hi, I have been thinking abt. this for a while that the best place to put a cache for domain objects is the repository. But then, repository is meant for use...
Hi, I have this peculiar problem at hand: My domain model uses the repository for loading various entities etc. On the other hand the repository also knows...
Hi, i_m new to DDD ... and i wonder if anybody has taken the trouble and created the source code for the example from "Chapter Seven. Using the Language: An ...
I strive to have a 100% pure domain layer on every project. However, sometimes the infrastructure requires that it knows about changes of state in nested...
We're debating techniques to isolate other parts of the code from the domain layer. One argument is to code to interfaces - domain objects implement...
Hi, I was thinking about how people implement repositories out there. Let's assume a simple layered application: Application ---> model --> Infrastructure In...
Hi As I approached a new project just after finishing DDD I decided to tackle my new problem applying everything I've learned. Immediate benefits arose from...
Here is the situation: UI works of the domain model(document) and as part of the work mucks with the state of the domain model e.g. adds line items, deletes ...
Hi, I hope someone can advice me on whether this design is correct. These are the entities that I have: PositionList - collection of Position instances. I also...
Hi Folks, I'm in the early stages of a new project. After recently reading about Fowler's AnemicDomainModel anti-pattern, of which I suffered from, I picked...
Whoops, this was the attachment I intended to provide with my last post. Randy ... From: Stafford, Randy Sent: Sunday, August 01, 2004 11:39 AM To: kcpeppe;...
Hi Eric Nowadays I am reading your book about DDD, however i read only 75 pages, I admire it from many aspects. Can you suggest a blueprint application which...
Hi All, I am sure that everyone look for domain examples at some time in elaboration. Is someone know a library of domains in Internet or any other resource? ...
In concrete terms, what should a standard domain model be composed of? In theoretical terms, one might say "whatever needs to be included to understand the...
I'm in the conception phase on a large project to migrate a suite of enterprise applications from a proprietary middleware platform to J2EE. The applications...
... I've been thinking about this too, and have changed my style of error handling considerably in recent months. Exceptions are handy, but only from a...
I'm working on a scenario right now where we will have corporate accounts for our e-commerce system. Each corporate account has an overall monthly spending...
Hello, I have a doubt about the model we are implementing. The domain model is simple. We have a type "Address". The addresses are maintained in the registry...
Chris, I agree that software development may have something to gain from philosophy. I'd like to see more work done in that area, so I'm interested in your...
Ok, maybe its Friday sickness or I really got everything wrong here. Say you have your DM and some Entities like Account, Invoice, cargo etc. Those entities...
I've been talking to someone about banking, and I was wondering whether anybody has worked on a core banking application that had a very nice domain model....
Chris, ... underpins our understanding of the domain. This gives us a domain model that is similar in many respects to Eric's Domain Models - but also...
Folks, I'm assigned to build a new "Grading and class roster" system for our university. I'm looking forward to utilize DDD methodology on this project. I was...
Hi, While reading the book, I tried to come up with the design for a simple model. Here is the scope of the problem domain. 'Company39; recruits a person and...