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Messages - Richard Freggi

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61
For various reasons I can;t install Firebird and its server/guardian components.  So I can't connect to my feap model file (in my own hard disk) using the DBeaver Firebird driver.  But I should be able to connect via OBDC.  Don't know how to set it up, and that OBDC driver to use (the one provided by Firebird I guess???).  I will ask in DBeaver forums but of anyone has experience with EA, please share OBDC driver info and setup procedure!  Thanks!!!

62
General Board / What query to list all messages in a sequence diagram?
« on: March 10, 2020, 03:36:39 pm »
I need a query to show: Message number, message source (participant), message label (operation name/parameters), message destination (participant) from a sequence diagram.

I can't find which attributes of t_connector and / or t_connectortag carry this information.

Anyone knows?

63
General Board / Re: Slow server
« on: March 08, 2020, 02:59:52 pm »
Sounds more like Corona got you machine under its influence(/a). Have you checked the certificate of the connection?  You're using http rather than https...

q.

You're right qwerty!  Adding https://www. to my bookmark solved the issue!  Thanks!

(p.s. worked for a couple of years without the https......)

64
General Board / Re: Slow server
« on: March 08, 2020, 12:37:27 am »
Today from Taiwan again
1. From my computer (Win 10 professional), using the Chrome bookmark I have always used - I get a spam ad instead of the forum (the bookmark is
sparxsystems.com/forums/smf/index.php
2. From my cell phone, can access no problem
3. Searching the forum from Google and navigating via Google link I can access the forum no problem

65
General Board / Re: Slow server
« on: March 07, 2020, 04:35:55 am »
Earlier today I could not connect from Taiwan, I just got some spam ad on screen when I tried to visit the forum page.  Now seems OK.

66
General Board / Re: Slow server
« on: March 06, 2020, 04:17:49 pm »
I replied to this thread a couple of days ago, noting erratic access (sometimes OK, sometimes super slow, sometimes no access at all) from Taiwan.  My post never made it to this thread!

Right now OK from Taiwan, yesterday I could not access for a few hours.

67
Uml Process / Re: System and Subsystem
« on: March 05, 2020, 04:40:01 pm »
I was beleiving, that all <<system>>s which are part of another <<system>> should be defined as <<subsystem>. Sometimes I am maybe to correct.

Well, that's not how UML works...
UML puts some constraints into what you can/cannot do, and my experience that they are hugely beneficial for model definition, expansion, maintenance, reuse, communication to others... one such constraint is that if an apple is an apple, then it's an apple... it cannot be an apple here and a banana there.
But you can use inheritance and realize dependencies and other ways to do what you need without breaking the model.

68
General Board / Re: Relationship matrix is skipping one element!
« on: March 01, 2020, 03:28:48 pm »
Thank you, I tried everything and eventually I had to create a new use case, copy all tagged values and move all associations to it, then delete the old one.  It was the only thing that would work.
If anyone has experience identifying this kind of failure to show an element (must be a foreign key issue in the underlying Sparx tables, BUT the use case was showing up OK in all my queries...) please let me know!  Thanks!

69
Uml Process / Re: System and Subsystem
« on: February 29, 2020, 02:34:51 pm »
Hi, if you specified model 1 as a system, that's what it is.  You can't change its type on one diagram and expect it to have a different type in another diagram.  It can't be 2 different things.
Think about it this way, all diagrams are nothing else that different views of one and the same model.  Think about the model not about the diagram. What is system 1 in the model?  If it is a system, then that's what it should be in all views.

70
General Board / Re: Activity diagrams - modeling processes
« on: February 29, 2020, 02:28:59 pm »
"UML is really powerful, but there is definitely a business case for some tool which would allow just basic light-weight modeling and the tool would handle the UML complexity under the hood."

If you learn to use sequence diagrams to model processes, you will find it much easier and even more powerful!
Activity diagrams have always been the problem child of UML, much has been written about this problem (see any good UML book).  The problem is that activity diagrams are structured flowcharts, not object oriented.  They are OK to document class operations basically.

Geert's web page is a good example (structured decomposition, not object-oriented) (no offense Geert!)

71
I'm curious, as far as I can think, that's not DDL.  So, no.

72
General Board / Re: Relationship matrix is skipping one element!
« on: February 25, 2020, 08:05:07 pm »
Which version of Sparx? Does it happen with anything else - e.g. classes, package elements? Are the axis sorted?

The only way around I can think of is creating a dummy use case and somehow force it to show first, for example by starting its name with 0 (the number zero) or something like AAAA. If that workaround does it, this looks like a bug where the 1st use case is skipped.
1. Version 13.10
2. No only happens with this use case

73
General Board / Re: Relationship matrix is skipping one element!
« on: February 25, 2020, 08:03:56 pm »
An obvious question - is it in the right package? A search may find it but it could be in a different package to that specified in the relationship matrix.

A less obvious one is whether it is actually the same type and stereotype as intended? I have seen relationship matrices miss elements because they were subtly different (even if visually the same). I think I figured that one out by changing the Type in the Relationship Matrix from the type we thought it was to <All> and the missing elements appeared. You might of course also end up with other elements that you don't want but it might help work out the cause.
1. Yes
2. Yes. also tried with <All>, it does not show
Cheers

74
Suggestions and Requests / Re: Portals pain
« on: February 25, 2020, 01:03:32 pm »
Sorry, no.  That would just make sense!
/sarcasm off

75
General Board / Relationship matrix is skipping one element!
« on: February 25, 2020, 12:09:54 pm »
I have a relationship matrix showing use cases vs. actors and it works fine except that the very first use case in my package is missing from the matrix!  Tried a few times in different ways, tried editing the missing use case, reset IDs, integrity check etc...
The use case shows up in searches, queries etc.  It's just missing from the relationship matrix
Has anyone had this issue and is there a solution?  Thanks!

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