The objectified relationship IfcRelAssignsToResource handles the assignment of objects (as subtypes of IfcObject), acting as a resource usage or consumption, to a resource (as subtypes of IfcResource).
Assignment of a globally unique identifier within the entire software world.
Assignment of the information about the current ownership of that object, including owning actor, application, local identification and information captured about the recent changes of the object,
Optional name for use by the participating software systems or users. For some subtypes of IfcRoot the insertion of the Name attribute may be required. This would be enforced by a where rule.
Optional description, provided for exchanging informative comments.
|5||RelatedObjects||SET [1:?] OF IfcObjectDefinition||
Related objects, which are assigned to a single object. The type of the single (or relating) object is defined in the subtypes of IfcRelAssigns.
Particular type of the assignment relationship. It can constrain the applicable object types, used within the role of RelatedObjects.
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Reference to the resource to which the objects are assigned to.
The instance to with the relation points shall not be contained in the set of RelatedObjects.
Ownership, history, and merge state is captured using IfcOwnerHistory.
IfcRoot assigns the globally unique ID. In addition it may provide for a name and a description about the concept.
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ENTITY IfcRelAssignsToResource SUBTYPE OF (IfcRelAssigns); RelatingResource : IfcResourceSelect; WHERE NoSelfReference : SIZEOF(QUERY(Temp <* SELF\IfcRelAssigns.RelatedObjects | RelatingResource :=: Temp)) = 0; END_ENTITY;