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Topics - Guillaume

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General Board / EA 9.1 Simulation with statechart
« on: November 04, 2011, 09:08:41 am »

I opened EA Example project to try the simulation tool.
If find it useful with the activity diagram, but the statechart isn't as straightforward.
- the Pedestrian Crossing statechart executes well but it's full of variables and behaviour written for On Entry and On Exit operations, plus these variables are checked on guard conditions.
If I just want to simulate the statechart depending on the event to move from one state to the other, couldn't EA suggest the possible next moves ? Better, could it react depending on operations called against the class and values on the attributes (as these values could be affected by operations' behaviour)
Considering the Operating States statechart, this model doesn't execute this Play is not defined > how can I fix this according to EA's logic? Does I have to On Entry/exit operations?


General Board / Model Validation bug?
« on: October 13, 2011, 05:50:21 pm »

I tried EA model validation feature and found a bug (even on v9.1) : in the help, it shows as an example  that if you link a class to an activity, it should yield an error within the results of the Model Validation.

However despite enabling all validation rules, and association a class to an activity and a class to an object, no error is returned by EA.
Only an inheritance on the same class yields an error.

Any clue?
Another point : can it be compared with Doors Analyst check feature?


General Board / EA Audit and shared projects
« on: October 12, 2011, 10:50:25 pm »

I enabled EA user security to enable the Auditing.
All models are shared as XMIs via SVN + the EAP file is sometimes committed to SVN when images are added to the project (otherwise we run a Get All Latest to retrieve the latest definition from XMIs)

I wonder how audit logs can be managed in such approach : if each user has its audit log stored in its own EAP, they're lost as far as SVN is concerned. Do we have to force each user to commit an XMI export of its audit log? Or else?
Anyone came across this and can explain a workable solution?


General Board / Sorting elements in the projet browser
« on: October 12, 2011, 10:31:39 pm »

When you define elements (e.g. classes) in your model, they're automatically sorted by alphabetical order in the Project Browser under their package.

You can manually sort them with the Project Browser green arrows and once you've done that, each element that has been moved around has its order manually managed by the user.
Question is : is there any way to re-affect all elements within the package to EA automatic sorting system?

Thanks !

General Board / Swimlanes display bug (ea v7.5)
« on: July 12, 2011, 04:15:24 pm »

I'm using EA v7.5, currently working with activity diagrams that use swimlanes. For some odd reasons, when I open a diagram the widths of all swimlanes is reset to the default one from time to time

Is this a known bug on v7.5 (build 850)?


General Board / Activity diag: control flow to 2 accept events
« on: July 07, 2011, 06:16:25 pm »

I have an activity diagram where I need to represent the following :
My control flow goes to an activity that once completed goes the first event that's occured : 'event 1' or 'event 2'

If I model 2 control flows from the activity to each of the Accept Event Action, will it definitely mean from a UML definition that my control token will go to the first event that's accepted (so if event 1 occurs, my control token goes from there - if event 2 occurs after then, there's no token available)

does it seem correct to you?
Hope it makes sense


General Board / updated objects with activity diagrams
« on: June 28, 2011, 01:12:33 am »

I created an activity diagram where I have an activity that reads properties from 2 objects to update 2 objects (one object being an input to the activity, another object existing before the activity started).
I use a combination of control flow and object flows (object flows being the pre/post cons of my activity)
Is it possible and even suggested to create a dependency or any other type of association (e.g. trace) to associate the same object "obj2" that has changed states before and after the process of an activity ?


Note : I hope the inserted image will be displayed on this post (otherwise the url is

General Board / find a connector in other diagrams
« on: June 10, 2011, 06:25:43 pm »

I'd like to know if there is a way to select a connector between 2 elements (e.g. an association between 2 classes) and find out where this connector is displayed on other diagrams
This is possible for elements and I would find it useful for connectors/associations


General Board / Use of Audit in collaborative mode
« on: May 25, 2011, 06:27:46 pm »

I'd like to use EA audit feature to keep a log of all updates carried in the model.
I currently use EA in a collaborative mode with SVN. Unfortunately the XMI don't include EAP reference data such as the glossary, images, etc.
I understand that the Audit feature will store reference data in the EAP file, so this audit log data cannot be committed by each user onto SVN to have a view of all updates made.

Is anyone using the audit feature in a collaborative mode and share its experience? Would it work using the database rather than SVN?


General Board / Retro engineering : class/SQL schema
« on: May 11, 2011, 05:40:20 pm »

My client sent me the DB schema i.e. all CREATE TABLE SQL scripts
I'd like to generate a DB diagram in EA from these scripts, and then generate a class diagram .

Any hint on how to do this?


General Board / Find opened diagram in browser
« on: May 19, 2011, 10:23:56 pm »
It doesn't seem to be possible to show the diagram that's currently opened in the Project Browser as available for Elements
It may sound useless as you open in the 1st place the diagram from the project browser, but.. if you have a hyperlink from a diagram opening a new diagram, it could be useful to show the current diagram in the browser

does it sound like a feature request if not avail?

General Board / Red arrow above requirement
« on: May 19, 2011, 12:08:59 am »

I sometimes get a red arrow on the middle top of some of my requirement elements when displayed in a diagram, but cannot figure its meaning.
Any clue?

General Board / Interaction overview diagram in EA 7.5 build 850
« on: April 27, 2011, 03:36:14 am »

I'm using EA 7.5 build 850 that oddly doesn't support object flows between interaction occurences (e.g. linked to a sequence diagram)

I tried on an earlier version of EA and it works.
Is there a workaround to get it to work on EA7.5 as I cannot upgrade the version on this specific PC I'm using?


General Board / Display both the Title and Alias for a Requirement
« on: April 18, 2011, 11:36:46 pm »
I needed to display in a requirements diagram both the name and the alias for each requirement.
I thought that EA only let me display either way
I eventually found a way to this issue for anyone who has the same need (or requirement...  ;)) :
- In your Diagram properties, enable Use Alias If Available
- In Tools > options : Diagram > Behavior > Alias usage : select the option "Alias and Name"

My question for a related need is whether I can display in EA Project Browser the alias for each element in addition to its name and  stereotype


General Board / 4+1 architectural view EA project ?
« on: November 15, 2010, 11:18:46 pm »

I'm likely to use the 4+1 architectural view project (for any information, check out Wikipedia

EA has this listed in its list of project samples but it only generates empty project (with Logical, Process view, etc.)
Has anyone used this approach and could share a sample project ?

Thanks!  :)

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