IfcRelAssignsToResource

Natural language names
deWeist Ressource zu - Relation
enRel Assigns To Resource
frAssignation à ressource
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4
    IfcRelAssignsToResource
      OwnerHistoryMODIFIEDInstantiation changed to OPTIONAL.
      RelatingResourceMODIFIEDType changed from IfcResource to IfcResourceSelect.
Semantic definitions at the entity
Entity definition

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).

EXAMPLE  The assignment of a resource usage to a construction resource is an application of this generic relationship. It could be an actor, as person or organization assigned to a labor resource, or a raw product assigned to a construction product or material resource).
HISTORY  New entity in IFC2x.
Attribute definitions
#AttributeTypeCardinalityDescription C
7RelatingResourceIfcResourceSelect[1:1] Reference to the resource to which the objects are assigned to. X
Formal Propositions
RuleDescription
NoSelfReferenceThe instance to with the relation points shall not be contained in the set of RelatedObjects.
Inherited definitions from supertypes
Entity inheritance IfcRelAssigns IfcRelationship IfcRoot
Attribute inheritance
#AttributeTypeCardinalityDescriptionC
IfcRoot
1GlobalIdIfcGloballyUniqueId[1:1] Assignment of a globally unique identifier within the entire software world. X
2OwnerHistoryIfcOwnerHistory[0:1] 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,
NOTE  only the last modification in stored - either as addition, deletion or modification.
X
3NameIfcLabel[0:1] 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. X
4DescriptionIfcText[0:1] Optional description, provided for exchanging informative comments.X
IfcRelationship
IfcRelAssigns
5RelatedObjectsIfcObjectDefinitionS[1:?] Related objects, which are assigned to a single object. The type of the single (or relating) object is defined in the subtypes of IfcRelAssigns.X
6RelatedObjectsTypeIfcObjectTypeEnum[0:1] Particular type of the assignment relationship. It can constrain the applicable object types, used within the role of RelatedObjects. X
IfcRelAssignsToResource
7RelatingResourceIfcResourceSelect[1:1] Reference to the resource to which the objects are assigned to. X
Definitions applying to Common Use Definitions

Concept inheritance

#ConceptModel View
IfcRoot
Software IdentityCommon Use Definitions
Revision ControlCommon Use Definitions
Formal representations
XSD Specification
 <xs:element name="IfcRelAssignsToResource" type="ifc:IfcRelAssignsToResource" substitutionGroup="ifc:IfcRelAssigns" nillable="true"/>
 <xs:complexType name="IfcRelAssignsToResource">
  <xs:complexContent>
   <xs:extension base="ifc:IfcRelAssigns">
    <xs:sequence>
     <xs:element name="RelatingResource">
      <xs:complexType>
       <xs:group ref="ifc:IfcResourceSelect"/>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
EXPRESS Specification
ENTITY IfcRelAssignsToResource
 SUBTYPE OF (IfcRelAssigns);
  RelatingResource : IfcResourceSelect;
 WHERE
  NoSelfReference : SIZEOF(QUERY(Temp <* SELF\IfcRelAssigns.RelatedObjects | RelatingResource :=: Temp)) = 0;
END_ENTITY;

Link to EXPRESS-G diagram EXPRESS-G diagram

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