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Home » Modeling » UML2 » How to find out that two Interaction Fragment in a Sequence Diagram occur at the same time
How to find out that two Interaction Fragment in a Sequence Diagram occur at the same time [message #921617] Mon, 24 September 2012 09:24 Go to next message
Alfredo Motta is currently offline Alfredo Motta
Messages: 41
Registered: June 2012
Member
Hello everybody,

I have a sequence diagram with two lifelines, one message, and two
Behavior Execution Specification (one on the left lifeline, and one on the right lifeline)
see attached file please

The message send is aligned with the execution specification start
on the left, while the message receive is not aligned with the execution specification start on the right (it occurs after that)
I have highlighted what I mean in the attached figure

I am wondering if the UML model contains any information about the fact
that two events in the lifeline occurs at the same time instant (like
the message send event and the execution specification start in the left lifeline)

any help is appreciated,
thank you
  • Attachment: sequencediagram.PNG
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  • Attachment: model.PNG
    (Size: 19.20KB, Downloaded 91 times)
  • Attachment: model.uml
    (Size: 7.07KB, Downloaded 74 times)

[Updated on: Mon, 24 September 2012 09:26]

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Re: How to find out that two Interaction Fragment in a Sequence Diagram occur at the same time [message #950175 is a reply to message #921617] Fri, 19 October 2012 17:47 Go to previous message
Laya eng is currently offline Laya eng
Messages: 51
Registered: October 2012
Member
Alfredo Motta wrote on Mon, 24 September 2012 05:24
Hello everybody,

I have a sequence diagram with two lifelines, one message, and two
Behavior Execution Specification (one on the left lifeline, and one on the right lifeline)
see attached file please

The message send is aligned with the execution specification start
on the left, while the message receive is not aligned with the execution specification start on the right (it occurs after that)
I have highlighted what I mean in the attached figure

I am wondering if the UML model contains any information about the fact
that two events in the lifeline occurs at the same time instant (like
the message send event and the execution specification start in the left lifeline)

any help is appreciated,
thank you

Yes UML model contains information about the fact
that two events in the lifeline occurs at the same time by using "par" operator that mean parallel and you can find this property in interaction fragment in sequence diagram
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