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describing function call between two classes [message #781727]

Sun, 22 January 2012 04:31

pllab Missing name

Messages: 6
Registered: September 2011

Junior Member

hi

there is a simple question that confusing me

I would like to describe an operation which is similar to as follows:

context Person::isAdult():Boolean

context Motor
inv: man.age > 18
inv: man.isAdult() = true

while Person and Motor are two different classes

And there is an association end man whose tyep is Person

However, when I try the expression "man.isAdult() = true", it results in error

while the expression "man.age>18" is OK.

Did I write a wrong OCL expression if I want to describe an expression that refers to a function call between two classes?

If so, how can I fix it?

thanks a lot.

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