OCL By Example Lecture - Technische Universität Dresden
OCL By Example Lecture - Technische Universität Dresden
OCL By Example Lecture - Technische Universität Dresden
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Navigation Expressions<br />
• Association ends (role names) are be used to „navigate navigate“<br />
from one object in the model to another object.<br />
• Navigations are treated as attributes (dot-Notation).<br />
• The type of a navigation expression is either a<br />
– User defined type<br />
(association end with multiplicity at most 1)<br />
– Collection<br />
(association end with multiplicity > 1)<br />
Dr. Birgit Demuth MINE Summer School, Nida, 2009 26
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