IfcApprovalRelationship

Item	SPF	XML	Change	Description
IFC2x3 to IFC4
IfcApprovalRelationship
Name	X	X	MODIFIED	Name changed from RelatedApproval to Name. Type changed from IfcApproval to IfcLabel. Instantiation changed to OPTIONAL.
Description	X	X	MODIFIED	Name changed from RelatingApproval to Description. Type changed from IfcApproval to IfcText. Instantiation changed to OPTIONAL.
RelatingApproval	X	X	MODIFIED	Name changed from Description to RelatingApproval. Type changed from IfcText to IfcApproval. Instantiation changed from OPTIONAL.
RelatedApprovals	X	X	MODIFIED	Name changed from Name to RelatedApprovals. Type changed from IfcLabel to IfcApproval. Aggregation changed from NONE to SET.

Semantic definitions at the entity

Entity definition

An IfcApprovalRelationship associates approvals (one relating approval and one or more related approvals), each having different status or level as the approval process or the approved objects evolve.

HISTORY New entity in IFC2x2.

IFC4 CHANGE Subtyped from IfcResourceLevelRelationship, order of attributes changed.

Attribute definitions

#	Attribute	Type	Cardinality	Description	C
3	RelatingApproval	IfcApproval	[1:1]	The approval that other approval is related to.	X
4	RelatedApprovals	IfcApproval	S[1:?]	The approvals that are related to another (relating) approval.	X

Inherited definitions from supertypes

Entity inheritance

Attribute inheritance

#	Attribute	Type	Cardinality	Description	C
IfcResourceLevelRelationship
1	Name	IfcLabel	[0:1]	A name used to identify or qualify the relationship.	X
2	Description	IfcText	[0:1]	A description that may apply additional information about the relationship.	X
IfcApprovalRelationship
3	RelatingApproval	IfcApproval	[1:1]	The approval that other approval is related to.	X
4	RelatedApprovals	IfcApproval	S[1:?]	The approvals that are related to another (relating) approval.	X

Formal representations

XSD Specification

 <xs:element name="IfcApprovalRelationship" type="ifc:IfcApprovalRelationship" substitutionGroup="ifc:IfcResourceLevelRelationship" nillable="true"/>

 <xs:complexType name="IfcApprovalRelationship">

  <xs:complexContent>

   <xs:extension base="ifc:IfcResourceLevelRelationship">

    <xs:sequence>

     <xs:element name="RelatingApproval" type="ifc:IfcApproval" nillable="true"/>

     <xs:element name="RelatedApprovals">

      <xs:complexType>

       <xs:sequence>

        <xs:element ref="ifc:IfcApproval" maxOccurs="unbounded"/>

       </xs:sequence>

       <xs:attribute ref="ifc:itemType" fixed="ifc:IfcApproval"/>

       <xs:attribute ref="ifc:cType" fixed="set"/>

       <xs:attribute ref="ifc:arraySize" use="optional"/>

      </xs:complexType>

     </xs:element>

    </xs:sequence>

   </xs:extension>

  </xs:complexContent>

 </xs:complexType>

EXPRESS Specification


ENTITY IfcApprovalRelationship

 SUBTYPE OF (IfcResourceLevelRelationship);

  RelatingApproval : IfcApproval;

  RelatedApprovals : SET [1:?] OF IfcApproval;

END_ENTITY;

 EXPRESS-G diagram

	Genehmigung - Relation
	Approval Relationship
	Relation d'approbation