Thank you for your detailed answer. Especially the part about using AD at
all was very interesting. At the moment I am using them very
extensive to describe workflows which are not yet modelled in terms of
classes and methods. They shall picture the next level after Use
Cases, so which part takes (in general) an action or how (a very small

how is supposed to be
please help
and sorry for broken english

got a project on cakePHP
i need to make a class diagrams
its for my university

i've got 4 controllers and 4 models. each controller has one or many
views.

so
how do people usually draw class diagrams for it

sorry

Hello,

I would like to create an InstanceSpecification object from an
ExecutionEnvironment one (or Component).

Is there a way to do it with the UML2 API?

Thanks in advance.

Nicolas

The 10th workshop on Domain-Specific Modeling
Reno/Tahoe, Nevada, USA, 17-18 October 2010
[link]

Domain-specific modeling (DSM) provides a modern solution to demands
for higher productivity by constricting the gap between problem and
solution modeling. In the past, productivity gains have been sought

I'm wondering about what is considered good practice in the following
scenario.
Given two interfaces I1 and I2. Logically, if the language permitted
it, I would structure these as I2 inheriting from I1, but the language
in question does not currently support interface inheritance.
There are one or more concrete classes C1, C2, etc. Each is an

Thanks all about your detailed answers

Azzam,
azzam wrote, On 5/25/2010 1:16 AM:
Once in a great while I will use this, although I can't remember if it's
always temporary. Sometimes, rather than saying that class A has an
association with every subclass of class B, I'll just say class A has an
association with B and make the max multiplicity the number of subclasses.

Responding to azzam...

Well, they should -- provided the constraints exist in the problem
space. Remember that UML models abstract some reality and not all
realities are constrained the same way. However,...

First, let me point out that 0- refers to conditionality, not
multiplicity. That is, it defines whether the association can be

Hello everybody,

UML offers several constraints, such as multiplicity constraints,
generalization set constraints, subsetting, and redefinitions. Recently I
began to wonder about the importance of these constraints in real models
(besides DATA BASE world). Actually, I was surprised that most examples I

Thanks! Nice explanation!

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Responding to Mattosinho...

There are several ways to identify the library and that is one possibility.

But I would be inclined not to worry about that at all in OOA/D. [As it
happens the MDA profile I use does not include dependency associations
so I couldn't do that if I wanted to. B-)] The library defines the

Hey Everyone

I was wondering how can I represent a class diagram which has a
reference (instantiates) a class from a Library or a Component? Is it
the dependency case? I am not sure but i usually represent the Library
as a Package and i trace a dependency arrow from my class to the
package....

Responding to maurice_t...

The flows just represent algorithmic flow of control in the solution;
not data flows. (Interaction Diagrams are the closest UML notation to
classic DFDs, at least in an OO context.) The tokens are simply messages
and there is no specification of whether they have data packets. So your

Responding to maurice_t...

Try this...

<pre>
[Load Extra] [Load Default]
| |
| |
======================
|
|
[Check for Extra]
|
| Extra exists
< > ----------------[Process Both]

Thank you for your answer. Yes, i meant a join node. So in many cases you
can just omit a fork/ join node,
like it could be done with this example:

[link]

So I am just wondering why the shorthand notation is not commonly used. Most

Maurice,

assuming you are entering the activity with only one defined parametr - the categoryID integer, why don't you first check its contents? Your thread of control, upon entering the depicted activity, immediately 'runs off into two directions', without any obvious reason. Try to do a 'mental run' of you process again and the proper sequencing shall unfold in your mind ...

First of all, just to be sure that we talk about the same thing,
though we do not use the same language :
When you say "synchronisation symbol", you are talking about a Join
Node, right ?

On May 20, 12:52 am, maurice_t <maurice.huell...@googlemail.c om>
wrote:

Yes it is :

When several flows come into a same action, there is an implicit Join

Hello,

I have a problematic example of an activity I try to express. The
activity gets an ID parameter (categoryID) which splits the process
into two transitions. Each one loads an Item entity. After trying to
load them it shall be checked, if the 'extraItem' exists. If so, it is
used with the (always existing) defaultItem. If not, only the

Hello,

my problem in modeling some workflows using activity diagrams is a
little hard to describe. It is concerned with the overview of which
action deals with the available data tokens. For example this
activity:

parameter: userId -> action: fetchUser -> action: print user ->
activity end

Hello,

in activity diagrams I can use the fork and synchronisation symbol to
split up and rejoin threads. Often I see that to parallel transitions
lead directly into an action. As far as I know this is equivalent to a
synchronisation. Also it is possible in UML tools to start multiple
transitions from one action, but I never saw this in a diagram. Is