Magic Draw OCL Validation Jan Pettersen Nytun Task

Magic. Draw - OCL Validation Jan Pettersen Nytun

Task Person - name : String 1 - leader - participant * * - take. Part. In Meeting - meeting. Name : String + add. Participant(p : Person) : void + get. Leader() : Person - meeting. To. Lead * a) Write an OCL constraint that states that: The number of participants (see role participant in figure) to a meeting must be at least 2. b) Write an OCL constraint that states that: The person given as leader of a meeting cannot also be participant to that same meeting.

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Make Package For the Constraints & Stereotype it to Validation. Suite

Make Constraint In the Validation. Suite Select this and than language, etc.

Select Constrained Element

The Constraint Must be Stereotyped to Validation. Rule

Set Error Message

Select in Menu: Analyze/Validation/Validate Select validation suite and validation selection

Person - participant * - name : String 1 - leader * - take. Part. In Meeting - meeting. Name : String + add. Participant(p : Person) : void + get. Leader() : Person - meeting. To. Lead * a) Write an OCL constraint that states that: The number of participants (see role participant in figure) to a meeting must be at least 2. context Meeting inv: participant->size() > = 2 b) Write an OCL constraint that states that: The person given as leader of a meeting cannot also be participant to that same meeting. context Meeting inv: participant->excludes(leader)

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