IFC 4.3.0.1 (IFC4X3) development

8.16.3.5 IfcPropertyAbstraction

ABSTRACT This definition may not be instantiated

8.16.3.5.1 Semantic definition

The IfcPropertyAbstraction is an abstract supertype of all property related entities defined as dependent resource entities within the specification. It may have an external reference to a dictionary or library that provides additional information about its definition. Instantiable subtypes have property name, value and other instance information.

8.16.3.5.2 Entity inheritance

8.16.3.5.3 Attributes

# Attribute Type Description
IfcPropertyAbstraction (1)
HasExternalReferences SET [0:?] OF IfcExternalReferenceRelationship FOR RelatedResourceObjects

Reference to an external reference, e.g. library, classification, or document information, that is associated to the property definition.

Table 8.16.3.5.A

8.16.3.5.4 Formal representation

ENTITY IfcPropertyAbstraction
 ABSTRACT SUPERTYPE OF (ONEOF
	(IfcExtendedProperties
	,IfcPreDefinedProperties
	,IfcProperty
	,IfcPropertyEnumeration));
 INVERSE
	HasExternalReferences : SET [0:?] OF IfcExternalReferenceRelationship FOR RelatedResourceObjects;
END_ENTITY;

8.16.3.5.5 References

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8.16.3.5.6 Changelog

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