*Generalizations
None
Description
Boolean is an instance of PrimitiveType . In the metamodel, Boolean defines an enumeration that denotes a logical condition.
Its enumeration literals are:
•
true - The Boolean condition is satisfied.
•
false - The Boolean condition is not satisfied.
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It is used for Boolean attribute and Boolean expressions in the metamodel, such as OCL expression.
Attributes
No additional attributes
Associations
No additional associations
Constraints
No additional constraints
Semantics
Boolean is an instance of PrimitiveType .
Notation
Boolean will appear as the type of attributes in the metamodel. Boolean instances will be values associated to slots, and
can have literally the following values: true or false.
Examples
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Figure 17.12 -An example of a Boolean attribute