IfcConstraintEnum

Natural language names
Constraint Enum
Enumération des types de contrainte
Semantic definitions at the type
Type definition

IfcConstraintEnum is an enumeration used to qualify a constraint.

HISTORY  New enumeration in IFC2.0
Enumeration definition
ConstantDescription
HARDQualifies a constraint such that it must be followed rigidly within or at the values set.
SOFTQualifies a constraint such that it should be followed within or at the values set.
ADVISORYQualifies a constraint such that it is advised that it is followed within or at the values set.
USERDEFINEDA user-defined grade indicated by a separate attribute at the referencing entity.
NOTDEFINEDGrade has not been specified.
Formal representations
XML Specification
 <xs:simpleType name="IfcConstraintEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="hard"/>
   <xs:enumeration value="soft"/>
   <xs:enumeration value="advisory"/>
   <xs:enumeration value="userdefined"/>
   <xs:enumeration value="notdefined"/>
  </xs:restriction>
 </xs:simpleType>
EXPRESS Specification
TYPE IfcConstraintEnum = ENUMERATION OF (
 HARD,
 SOFT,
 ADVISORY,
 USERDEFINED,
 NOTDEFINED);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcConstraint

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