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1
Many an eagerly awaited newborn requires a rude slap on the rump to get it to take its first breath. Well, here goes... The preface of Mellor and Balcer...
Steven Forgey
sforgey
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Jun 11, 2002
10:52 pm
2
Working your way through those specs, I'm amazed you were able to limit yourself to a slap. A shotgun might be more a propos :) Anyway... I can speak only...
Stephen J. Mellor
steve@...
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Jun 11, 2002
11:13 pm
3
Suggestion to moderator: you should post the group web site and summary on comp.object to recruit interested (hopefully also interesting) people Is this group...
prenom_nomus
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Jun 11, 2002
11:13 pm
4
Executable UML and JSD As a matter of historical interest, are people aware of the similarities between Executable UML and the JSD (Jackson System Development)...
Ashley McNeile
keplervic
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Jun 24, 2002
4:23 pm
5
In short, Yes, I am aware of the general fact, but I have not studied JSD at all. One (IMO almost irrelevant) difference is that Jackson writes to a more IT ...
Stephen J. Mellor
steve@...
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Jun 26, 2002
2:43 pm
6
I have a question concerning the handling of class hierarchies that may be of interest to the discussion group. The grey box at the top of page 99 of the...
Ashley McNeile
keplervic
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Jun 28, 2002
6:24 pm
7
... From: Ashley McNeile [mailto:ashley.mcneile@...] Sent: Thursday, June 27, 2002 3:36 AM To: executableuml@yahoogroups.com Subject: [executableuml]...
Marc J. Balcer
mjbalcer
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Jun 28, 2002
6:32 pm
8
Dear Sirs, I am currently reading the xUML book. I am missing the call actions which were responsible for the synchronous interchange of messages between ...
tfulde@...
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Jun 29, 2002
12:17 am
9
Responding to Fulde... ... I think the answer lies in the view of behavior for this profile of UML. In this profile it is assumed that all significant behavior...
H. S. Lahman
h.lahman@...
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Jul 1, 2002
1:30 am
10
Has the definition of what "Executable UML" is been agreed upon by the various 'Shlaer-Mellor approach using UML' companies and consultants? The captial "E" in...
prenom_nomus
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Jul 8, 2002
8:25 pm
11
... This depends upon what you mean by "agreed upon." If you mean the general issue of "classes, state models, and actions" then there has been agreement for...
mjbalcer
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Jul 8, 2002
8:42 pm
12
Some comments on the synchronous versus asynchronous issue raised by Tanja Fulde. The Executable UML, all objects run concurrently, conceptually on its own...
Ashley McNeile
keplervic
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Jul 9, 2002
1:33 pm
13
Responding to McNeile... Curiously, every place you used quotes was removed in my Netscape Reply copy. Another vote for standardization. ... I am less...
H. S. Lahman
h.lahman@...
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Jul 10, 2002
4:15 pm
14
A reply to my Drano drinking friend... I think you are right that this is a judgement call. I think there is a trade off between the price of having an...
Ashley McNeile
keplervic
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Jul 11, 2002
3:28 pm
15
Responding to McNeile... ... That was certainly true the last time I did MIS (ca '75). But I believe there is a paradigm shift underway today. With the...
H. S. Lahman
h.lahman@...
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Jul 12, 2002
3:16 pm
16
... Real Time ... Systems, and ... not ... etc.). ... to ... modelling ... believe ... DB ... like ... When I started managing IT projects (after years in...
mjbalcer
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Jul 12, 2002
3:26 pm
17
Two purposes for Executable Models Some of the discussion on this group has made me think more about the purposes of executable models. It seems to me that...
Ashley McNeile
keplervic
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Jul 12, 2002
9:02 pm
18
Responding to McNeile... ... Just out of curiosity, are the customers viewing the actual model simulation (e.g., event logging, etc.) or are they simply...
H. S. Lahman
h.lahman@...
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Jul 14, 2002
3:56 am
19
Reply to comments by H. S. Lahman ... I think that model validation should be done at an early stage in the life-cycle, almost certainly before the final...
Ashley McNeile
keplervic
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Jul 14, 2002
10:06 pm
20
Responding to McNeile... ... Clearly it should be done as early as possible. However, FWIW, I have always regarded the UI specification as part of the...
H. S. Lahman
h.lahman@...
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Jul 15, 2002
5:38 pm
21
Responding (properly) to H.S. Lahman . . . ... I think that IS architectures based on middleware/EAI principles are moving to more of a separation of the front...
Ashley McNeile
keplervic
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Jul 17, 2002
6:12 am
22
Responding to McNeile... ... I mean both. B-) It seems to me that if the user wants to validate the software in a back box manner, the user would be...
H. S. Lahman
h.lahman@...
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Jul 17, 2002
5:18 pm
23
Responding to H.S. Lahman Excellent stuff! An interesting and enjoyable debate. I have a few further comments which I will post in due course. Other Topics In...
Ashley McNeile
keplervic
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Jul 17, 2002
5:20 pm
24
hi, In chapter 7, the section other langauges specifically lists Tall and Small as alternatives. But there wasn't any formal name given to the action language...
kazmeez
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Jul 19, 2002
5:46 am
25
... and ... the ... anywhere ... to ... Most of the examples in the book use the BridgePoint Action Language, sometimes referred to as BPAL or OAL (Object...
mjbalcer
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Jul 19, 2002
6:05 am
26
Hi, The example in the book for reflexive associations for modeling sequences is not very clear (See Figure 6.19). How does a reflexive association used in...
kazmeez
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Jul 19, 2002
6:06 am
27
... reflexive ... The reflexive association is R3: Authorship PRECEDES Authorship and Authorship FOLLOWS Authorship. We say that it models a sequence because...
mjbalcer
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Jul 19, 2002
6:17 am
28
Hi, I am working on a very simple system in which there are events and event items. (An event is an actual meeting that is held on a location and event items...
kazmeez
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Jul 19, 2002
6:17 am
29
There are actually a number of items in this message and I'm expecting that the members of our little (but growing) group will have some lively opinions on my...
mjbalcer
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Jul 19, 2002
6:34 am
30
Responding to Kazmeez... ... I am not quite sure I understand the need for subtyping Event. It seems to me the basic model is 1 0..* Event...
H. S. Lahman
h.lahman@...
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Jul 19, 2002
3:57 pm
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