Hi Randy I have huge respect for Gemstone and the transparency they achieved. I would love for JDO to be able to do the same. We actually had a separate JSR...
I am only about half-way through Eric's book so forgive me if this question is answered later in the text... I am implementing a Domain Model which has a...
While reading Domain Driven Design, I was reminded of a couple of essays from Fred Brooks, in particular "No Silver Bullet-Essence and Accident in Software...
Hi Everyone, Nice to see some interest in the topic of "Time", because it is so often trivialised and implemented ad-hoc in multiple ways within a single...
Dear All, thank you for your ideas. I have thought about it, and I want to share my solution with you. The fact is, that both, the repository, and the client...
Hello All, first I want to say that the ideas and concepts in Eric's book help me very much in thinking about the domain I am working in. I have started a...
I feel as if DDD can be a good driver for TDD. Often I feel that TDD as presented in it's present form lacks a view of the bigger picture. I have been unable...
I think that given the arguments of some of the last postings on this list, it could be interesting to give a look at a recent thread on the Prevayler...
Forgive me if this topic is becoming tedious - I have browsed through the messages on this list and couldnt see what I was looking for. If I end up repeating...
Hello Friends! I am facing a bit of a confusion regarding use cases. Thogh I understand clearly <<EXTEND>> AND <INCLUDE>> are both stereo type and also...
... Here are two stories on aggregate boundaries and persistence. They both have the same two lessons from two different domains. This is off the top of my...
I found the DAO pdf doc in sun web site (chapter of the Core J2EE Patterns book ), but the example doesn't talk about EJB. Does anybody know of documentation...
... I'm sorry to be a wet blanket, but I have to say these last dozen or so conversations are the last things I would expect to discuss on a domain-driven...
Hello All I've been reading some of this list's archived messages. In June, Henryk Mozman initiated a brief thread titled "Domaindrive and J2EE" which...
Hello all, I'm new to this group, but a long-time advocate of domain modeling. I'm now waiting for my "Domain-Driven Design" book to arrive in the mail. In the...
... Chapter ... I visualise things in terms of a Domain Layer which sits on top of a Persistence Layer, but does not invoke it directly. Domain objects...
... This is an important topic. My experience was best with Gemstone/S (before it needed an "/S"!). I remember to this day getting the software from Tim Wrast,...
Hello Domain-Driven Designers, In the Service Layer chapter I contributed to Martin Fowler's Patterns of Enterprise Application Architecture, I tried to draw a...
... How many developments have cratered due to not being able to manage complexity and increase productivity (read: profitability) in the way that a good...
First off, Domain Driven Design is a great book and a wonderful addtion to any shelf. I do have one question about how to implement aggregates. I was ...
I am looking for an answer to the following question. How should one implement lazy load for domain objects in DDD? My thinking thus far on this can be...
This question was included in the original "Lazy Loading" post, but ... I agree with you that domain-driven design is not the best approach to everything. The...
I've been using the factory pattern for a while, but don't know exactly if I'm using the Abstract Factory or the Factory Method. They look the same to me, but...
We could have a DDD BoF next week. (More casual this year than last.) Anyone here planning to be at OOPSLA and interested in joining such a meeting? For those...
Hello everyone, is there a pattern to avoid relational database deadlocks? We update tables in a predefined order, but is not easy to develop since we have to...
Hi, I am wondering if you can consider this problem and share your thoughts. I am working on some software to track residues on crops for a argi-business...
What kind of experience do people have with retrofitting a domain model to an application that didn't get built on top of one in the first place? My client's...
Well, we didn't get as many entries as I'd hoped for, but the quality was high. In fact, with three entries and three prizes, the voting stage seems...
