SCEA part III

As we say in holland, "the bullit has gone through the church", altough we usually say it in Dutch like: "De kogel is door de kerk", which means something like I have finally done it...
Last week Sunday I've uploaded my assignment, and today I took me essay exams.

So now its waiting, and waiting...
Until the results are published.

Keep you posted.

Creating sequence diagrams

The sequence diagrams are getting complicated.
I am now looking at the benefits that UML 2.0 can bring us in reducing the complexity.
I mean I started off modelling the sequence diagram for the prepare itinerary use case and ended up with a diagram that didn't fit on the screen any more, and I didn't even modelled the business functionality yet, I stopped at the business delegate.
So looking at the new elements in UML 2.0 I found the Interaction Overview diagrams useful for splitting the complex sequence diagram into smaller more usable chunks.
I'd like to soon finish the sequence diagram for this first, but major, use case and then start modelling the class diagram.
When that has been done, most likely I will need to correct my sequence diagrams again to reflect corrected flaws discovered when doing the class diagram.


In the mean time I am having a great discussion on javaranch about a discrepancy in the requirements. The prepare itinerary scenario mentions alternative flights within one hour and less than the selected, while in the given interview with CEO and CIO the flights have a flat price per destination, per seat class. Another thread on javaranch discusses the difference (or lack off) between flight and segment.


Speeking with UB40: both these discussions give me quite some food for thought!

Going thru the requirements

I have some problems getting myself up to speed on this assignment. I can blame lots of things like work load, my wife and children needing atention, but in the end I can only just blame myself. It seems to be hard just starting on it.
But allright finally I started really reading the requirements specs a couple of times.
Going thru them I wrote down the things that seemed unclear.

Then going over the scenario's given, I started out in writing down the entities I discovered in there, these are possible classes and/or attributes.

Now I am working on the creation of the sequence diagrams based on the scenraio's this will also result in class diagrams.

Well I just must make sure that I keep this up and continue...