Class UML 2.3::ElementImport

Description:

An element import identifies an element in another package, and allows the element to be referenced using its name without a qualifier.

Direct Superclasses: DirectedRelationship

Direct Subclasses:

Class Precedence List: ElementImport, DirectedRelationship, Relationship, Element

Properties:

alias : String (0 1); -- source ElementImport

Specifies the name that should be added to the namespace of the importing package in lieu of the name of the imported packagable element. The aliased name must not clash with any other member name in the importing package. By default, no alias is used.

importedElement : PackageableElement (1 1); -- source ElementImport
importingNamespace : Namespace (1 1); -- source ElementImport
visibility : VisibilityKind (1 1); -- source ElementImport
source : Element (1 *); -- source DirectedRelationship

Specifies the sources of the DirectedRelationship.
{readonly}
Derived union with sources: (importingNamespace)
Subsets: Relationship.relatedElement

target : Element (1 *); -- source DirectedRelationship
relatedElement : Element (1 *); -- source Relationship
ownedComment : Comment (0 *); -- source Element
ownedElement : Element (0 *); -- source Element
owner : Element (0 1); -- source Element

Constraints:

Signature: CMOF_14_3_7b() : Boolean;
Description: see also: https://sites.google.com/site/metamodelingantipatterns/catalog/mof/element-import-is-not-public see also: https://sites.google.com/site/metamodelingantipatterns/catalog/mof/element-import-has-alias
Expression: visibility = VisibilityKind::public and alias->isEmpty()

Signature: visibility_public_or_private() : Boolean;
Description: The visibility of an ElementImport is either public or private.
Expression: self.visibility = #public or self.visibility = #private

Signature: imported_element_is_public() : Boolean;
Description: An importedElement has either public visibility or no visibility at all.
Expression: self.importedElement.visibility.notEmpty() implies self.importedElement.visibility = #public

Operations:

Signature: getName() : String;
Description: The query getName() returns the name under which the imported PackageableElement will be known in the importing namespace.
Expression: result = if self.alias->notEmpty() then self.alias else self.importedElement.name endif

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