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Node Constraint Problem [message #219341]

Thu, 19 February 2009 17:37

Maurice O'Connor

Messages: 86
Registered: July 2009

Member

Hi there! I've added an OCL constraint to one of my nodes in the mapping
model. I'd like to notify the user when the node has no name, so my
constraint looks like:

name.size() > 0

However, when I add the node to the diagram it the node simply disappears
(but the diagram is dirty). Validation and Live validation With UI
Feedback are enabled and Decorators too. I've tried adding an audit rule
with the same constraint also. A few questions:

1. Does Live validation just examine the audit rules?
2. How can I set it so when the user adds a node to the diagram and fails
to specify a name, the editor will complain, via decorator or message-box?

Thanks!

Maurice

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Re: Node Constraint Problem [message #219404 is a reply to message #219341]

Fri, 20 February 2009 10:53

Alexander Shatalin

Messages: 2928
Registered: July 2009

Senior Member

Hello Maurice O'Connor,

> However, when I add the node to the diagram it the node simply
> disappears (but the diagram is dirty). Validation and Live validation
That's right - constraint is something more strict then the validation rule.

> 1. Does Live validation just examine the audit rules?
Should be this way.

> 2. How can I set it so when the user adds a node to the diagram and
> fails to specify a name, the editor will complain, via decorator or
> message-box?
Try using audits + generating the code + see if this code is ok for you.
I suppose you have to code something manually to get dialog displayed then
one of the audits was violated.

-----------------
Alex Shatalin

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Re: Node Constraint Problem [message #219490 is a reply to message #219404]

Fri, 20 February 2009 11:57

Maurice O'Connor

Messages: 86
Registered: July 2009

Member

Thanks Alex, this is a help!

Maurice.

Alex Shatalin wrote:
> Hello Maurice O'Connor,

>> However, when I add the node to the diagram it the node simply
>> disappears (but the diagram is dirty). Validation and Live validation
> That's right - constraint is something more strict then the validation rule.

>> 1. Does Live validation just examine the audit rules?
> Should be this way.

>> 2. How can I set it so when the user adds a node to the diagram and
>> fails to specify a name, the editor will complain, via decorator or
>> message-box?
> Try using audits + generating the code + see if this code is ok for you.
> I suppose you have to code something manually to get dialog displayed then
> one of the audits was violated.

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