CFx SDK Documentation 2026 SP0
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OdIfc4x3_add2::IfcConstraint Class Reference

#include <IfcConstraintAutoImpl.h>

Inheritance diagram for OdIfc4x3_add2::IfcConstraint:
OdIfc4x3_add2::OdIfc4x3Instance OdIfc::OdIfcInstance OdIfc4x3_add2::IfcMetric OdIfc4x3_add2::IfcObjective

Public Member Functions

const OdAnsiString & getName () const
 
void setName (const OdAnsiString &Name)
 
const OdAnsiString & getDescription () const
 
void setDescription (const OdAnsiString &Description)
 
IfcConstraintEnum getConstraintGrade () const
 
void setConstraintGrade (IfcConstraintEnum ConstraintGrade)
 
const OdAnsiString & getConstraintSource () const
 
void setConstraintSource (const OdAnsiString &ConstraintSource)
 
IfcActorSelect creatingActor ()
 
const OdAnsiString & getCreationTime () const
 
void setCreationTime (const OdAnsiString &CreationTime)
 
const OdAnsiString & getUserDefinedGrade () const
 
void setUserDefinedGrade (const OdAnsiString &UserDefinedGrade)
 
void getInvHasExternalReferences (OdDAIObjectIds &HasExternalReferences) const
 
void getInvPropertiesForConstraint (OdDAIObjectIds &PropertiesForConstraint) const
 
 IfcConstraint ()
 
virtual OdResult inFields (OdDAI::OdSpfFilerBase *rdFiler) override
 
virtual OdResult outFields (OdDAI::OdSpfFilerBase *wrFiler) override
 
virtual OdDAI::Entity * getInstanceType () const override
 
virtual OdRxValue getAttr (const char *attrName) const override
 
virtual bool comparedToEarlyImpl (const OdDAI::ApplicationInstance *pOther, OdRx::Ordering &ordering) const override
 
virtual void unsetAttr (const char *explicitAttrName) override
 
virtual bool testAttr (const char *explicitAttrName) const override
 
virtual bool putAttr (const char *explicitAttrName, const OdRxValue &val) override
 
virtual bool isKindOf (OdIfc::OdIfcEntityType entityType) const override
 
virtual OdIfc::OdIfcEntityType type () const override
 
virtual OdRxValue getAttr (const OdIfc::OdIfcAttribute attrDef) const override
 
virtual void unsetAttr (const OdIfc::OdIfcAttribute explicitAttrDef) override
 
virtual bool testAttr (const OdIfc::OdIfcAttribute explicitAttrDef) const override
 
virtual bool putAttr (const OdIfc::OdIfcAttribute explicitAttrDef, const OdRxValue &val) override
 
- Public Member Functions inherited from OdIfc4x3_add2::OdIfc4x3Instance
void setInverseCounterParts () override
 
- Public Member Functions inherited from OdIfc::OdIfcInstance
 ODRX_DECLARE_MEMBERS (OdIfcInstance)
 
 OdIfcInstance ()
 
 ~OdIfcInstance ()
 
bool isInstanceOf (OdIfcEntityType entityType) const
 
IfcOpResult resolved ()
 
void resolve (IfcOpResult resolved, void *resPtr)
 
void unresolve ()
 
virtual void setGsNode (OdGsCache *pGsNode)
 
virtual OdGsCachegsNode () const
 
virtual OdUInt32 subSetAttributes (OdGiDrawableTraits *traits) const
 
virtual bool subWorldDraw (OdGiWorldDraw *wd) const
 
virtual OdDbStub * ownerId () const
 

Protected Attributes

OdAnsiString m_Name
 
OdAnsiString m_Description
 
OdDAI::Enum m_ConstraintGrade
 
OdAnsiString m_ConstraintSource
 
OdDAI::Select m_CreatingActor
 
OdAnsiString m_CreationTime
 
OdAnsiString m_UserDefinedGrade
 
- Protected Attributes inherited from OdIfc::OdIfcInstance
voidm_resPtr
 
IfcOpResult m_resolved
 

Friends

class IfcExternalReferenceRelationship
 
class IfcResourceConstraintRelationship
 

Additional Inherited Members

- Static Public Member Functions inherited from OdIfc::OdIfcInstance
static const OdGePoint3dasPoint3d (const OdIfcInstance *inst)
 
static const OdGePoint2dasPoint2d (const OdIfcInstance *inst)
 
static const OdGeVector3dasVector3d (const OdIfcInstance *inst)
 
static const OdGeVector2dasVector2d (const OdIfcInstance *inst)
 
static const OdGeMatrix2dasMatrix2d (const OdIfcInstance *inst)
 
static const OdGeMatrix3dasMatrix3d (const OdIfcInstance *inst)
 
static OdIfcCompoundPtr asCompound (OdSmartPtr< OdIfcInstance > inst)
 
static const OdCmEntityColorasRgbColor (const OdIfcInstance *inst)
 

Detailed Description

An IfcConstraint is used to define a constraint or limiting value or boundary condition that can be applied to an object or to the value of a property.

Constraints can be subdivided into user-defined constraints and system-defined constraints. User-defined constraints are applied by a user and are restricted to high-level definitions such as object properties. System-defined constraints can apply to any object attribute, are typically defined by an application to enforce data validation or parametric behavior, and are intended to be enforced by applications but not to be directly editable by an end-user.

Remarks
This definition may not be instantiated.

\changes

IFC4 changes: Type of the CreationTime attribute changed from "IfcDateTimeSelect" to "IfcDateTime" Inverse attribute ClassifiedAs renamed to HasExternalReferences Type of the ClassifiedAs inverse attribute changed from "SET OF [0:?] IfcConstraintClassificationRelationship FOR ClassifiedConstraint" to "SET OF [0:?] IfcExternalReferenceRelationship FOR RelatedResourceObjects" Inverse attribute RelatesConstraints to PropertiesForConstraint Type of the inverse attribute RelatesConstraints changed from "SET OF [0:?] IfcConstraintRelationship FOR RelatingConstraint" to "SET OF [0:?] IfcResourceConstraintRelationship FOR RelatingConstraint"

Definition at line 63 of file Ifc4x3/IfcConstraintAutoImpl.h.

Constructor & Destructor Documentation

◆ IfcConstraint()

OdIfc4x3_add2::IfcConstraint::IfcConstraint ( )

Default constructor for the IfcConstraint class.

Member Function Documentation

◆ comparedToEarlyImpl()

virtual bool OdIfc4x3_add2::IfcConstraint::comparedToEarlyImpl ( const OdDAI::ApplicationInstance * pOther,
OdRx::Ordering & ordering ) const
overridevirtual

Early-bound version of instances comparison.

Parameters
pOther[in] Other application instance.
ordering[out] Receives the ordering (comparison) status.
Returns
true if comparison was performed, false if method has no implementation, so late-bound version could be applied.
Remarks
If the method returns true, the ordering parameter can receive one of the following statuses:
Value Description kLessThan -1 This object < Other Object. kEqual 0 This object = Other Object. kGreaterThan 1 This object > Other Object. kNotOrderable 2 This class is not orderable.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ creatingActor()

IfcActorSelect OdIfc4x3_add2::IfcConstraint::creatingActor ( )

Returns the value of CreatingActor attribute. This attribute represents person and/or organization that has created the constraint.

Returns
Returns the value of CreatingActor attribute.

◆ getAttr() [1/2]

virtual OdRxValue OdIfc4x3_add2::IfcConstraint::getAttr ( const char * attrName) const
overridevirtual

Returns an attribute value for the specified attribute name.

Parameters
attrName[in] Name of an attribute to query.
Returns
OdRxValue object that represents a generic variant type value.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ getAttr() [2/2]

virtual OdRxValue OdIfc4x3_add2::IfcConstraint::getAttr ( const OdIfc::OdIfcAttribute attrDef) const
overridevirtual

Returns an attribute value for the specified attribute definition.

Parameters
attrDef[in] Attribute definition to query.
Returns
OdRxValue object that represents a generic variant type value.

Reimplemented from OdIfc::OdIfcInstance.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ getConstraintGrade()

IfcConstraintEnum OdIfc4x3_add2::IfcConstraint::getConstraintGrade ( ) const

Returns the value of ConstraintGrade attribute. This attribute represents enumeration that qualifies the type of constraint.

Returns
Returns the value of ConstraintGrade attribute.

◆ getConstraintSource()

const OdAnsiString & OdIfc4x3_add2::IfcConstraint::getConstraintSource ( ) const

Returns the value of ConstraintSource attribute. This attribute represents any source material, such as a code or standard, from which the constraint originated.

Returns
Returns the value of ConstraintSource attribute.

◆ getCreationTime()

const OdAnsiString & OdIfc4x3_add2::IfcConstraint::getCreationTime ( ) const

Returns the value of CreationTime attribute. This attribute represents time when information specifying the constraint instance was created.

Returns
Returns the value of CreationTime attribute.

◆ getDescription()

const OdAnsiString & OdIfc4x3_add2::IfcConstraint::getDescription ( ) const

Returns the value of Description attribute. This attribute represents a human-readable description that can apply additional information about a constraint.

Returns
Returns the value of Description attribute.

◆ getInstanceType()

virtual OdDAI::Entity * OdIfc4x3_add2::IfcConstraint::getInstanceType ( ) const
overridevirtual

Returns a type of a class instance.

Returns
Pointer to the <exref target=https://docs.opendesign.com/tkernel_api_cpp/OdDAI__Entity.html>>OdDAI::Entity</exref> type that determines an entity definition within a schema.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ getInvHasExternalReferences()

void OdIfc4x3_add2::IfcConstraint::getInvHasExternalReferences ( OdDAIObjectIds & HasExternalReferences) const

Returns the value of HasExternalReferences attribute. This attribute represents reference to an external references, e.g. library, classification, or document information, that are associated to the constraint.

Parameters
HasExternalReferences[out] Receives the value of HasExternalReferences attribute.

◆ getInvPropertiesForConstraint()

void OdIfc4x3_add2::IfcConstraint::getInvPropertiesForConstraint ( OdDAIObjectIds & PropertiesForConstraint) const

Returns the value of PropertiesForConstraint attribute. This attribute represents reference to the properties to which the constraint is applied.

Parameters
PropertiesForConstraint[out] Receives the value of PropertiesForConstraint attribute.

◆ getName()

const OdAnsiString & OdIfc4x3_add2::IfcConstraint::getName ( ) const

Returns the value of Name attribute. This attribute represents a human-readable name that is used for the constraint.

Returns
Returns the value of Name attribute.

◆ getUserDefinedGrade()

const OdAnsiString & OdIfc4x3_add2::IfcConstraint::getUserDefinedGrade ( ) const

Returns the value of UserDefinedGrade attribute. This attribute allows specification of user-defined grade of the constraint beyond the enumeration values provided by ConstraintGrade attribute of type IfcConstraintEnum. When a value is provided for attribute UserDefinedGrade in parallel the attribute ConstraintGrade has enumeration value USERDEFINED.

Returns
Returns the value of UserDefinedGrade attribute.

◆ inFields()

virtual OdResult OdIfc4x3_add2::IfcConstraint::inFields ( OdDAI::OdSpfFilerBase * rdFiler)
overridevirtual

Reads object's data from the specified filer.

Parameters
rdFiler[in] Pointer to a filer from which to read the data.
Returns
A value of OdResult type that contains the result of the method execution.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ isKindOf()

virtual bool OdIfc4x3_add2::IfcConstraint::isKindOf ( OdIfc::OdIfcEntityType entityType) const
overridevirtual

Checks whether the specified instance is the object derived from or belongs to this class.

Parameters
entityType[in] Entity to check.
Returns
true if the specified instance is the object derived from or belongs to this class, false otherwise.

Reimplemented from OdIfc::OdIfcInstance.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ outFields()

virtual OdResult OdIfc4x3_add2::IfcConstraint::outFields ( OdDAI::OdSpfFilerBase * wrFiler)
overridevirtual

Writes object's data the the specified filer.

Parameters
wrFiler[in] Pointer to a filer to which to write the data.
Returns
A value of OdResult type that contains the result of the method execution.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ putAttr() [1/2]

virtual bool OdIfc4x3_add2::IfcConstraint::putAttr ( const char * explicitAttrName,
const OdRxValue & val )
overridevirtual

Sets the specified attribute with a given value.

Parameters
explicitAttrName[in] Explicit name of the attribute to set.
val[in] Value to set.
Returns
true if the value is successfully set for the specified attribute, false otherwise.

Reimplemented from OdIfc::OdIfcInstance.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ putAttr() [2/2]

virtual bool OdIfc4x3_add2::IfcConstraint::putAttr ( const OdIfc::OdIfcAttribute explicitAttrDef,
const OdRxValue & val )
overridevirtual

Sets the specified attribute with a given value.

Parameters
explicitAttrDef[in] Explicit attribute definition to set.
val[in] Value to set.
Returns
true if the value is successfully set for the specified attribute, false otherwise.

Reimplemented from OdIfc::OdIfcInstance.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ setConstraintGrade()

void OdIfc4x3_add2::IfcConstraint::setConstraintGrade ( IfcConstraintEnum ConstraintGrade)

Sets the value of ConstraintGrade attribute. This attribute represents enumeration that qualifies the type of constraint.

Parameters
ConstraintGrade[in] Constraint grade to set.

◆ setConstraintSource()

void OdIfc4x3_add2::IfcConstraint::setConstraintSource ( const OdAnsiString & ConstraintSource)

Sets the value of ConstraintSource attribute. This attribute represents any source material, such as a code or standard, from which the constraint originated.

Parameters
ConstraintSource[in] Constraint source to set.

◆ setCreationTime()

void OdIfc4x3_add2::IfcConstraint::setCreationTime ( const OdAnsiString & CreationTime)

Sets the value of CreationTime attribute. This attribute represents time when information specifying the constraint instance was created.

Parameters
CreationTime[in] Creation time to set.

◆ setDescription()

void OdIfc4x3_add2::IfcConstraint::setDescription ( const OdAnsiString & Description)

Sets the value of Description attribute. This attribute represents a human-readable description that can apply additional information about a constraint.

Parameters
Description[in] Description to set.

◆ setName()

void OdIfc4x3_add2::IfcConstraint::setName ( const OdAnsiString & Name)

Sets the value of Name attribute. This attribute represents a human-readable name that is used for the constraint.

Parameters
Name[in] Name to set.

◆ setUserDefinedGrade()

void OdIfc4x3_add2::IfcConstraint::setUserDefinedGrade ( const OdAnsiString & UserDefinedGrade)

Sets the value of UserDefinedGrade attribute. This attribute allows specification of user-defined grade of the constraint beyond the enumeration values provided by ConstraintGrade attribute of type IfcConstraintEnum. When a value is provided for attribute UserDefinedGrade in parallel the attribute ConstraintGrade has enumeration value USERDEFINED.

Parameters
UserDefinedGrade[in] User-defined grade to set.

◆ testAttr() [1/2]

virtual bool OdIfc4x3_add2::IfcConstraint::testAttr ( const char * explicitAttrName) const
overridevirtual

Checks whether the specified attribute is set.

Parameters
explicitAttrName[in] Explicit name of the attribute to test.
Returns
true if the specified attribute is set, false otherwise.

Reimplemented from OdIfc::OdIfcInstance.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ testAttr() [2/2]

virtual bool OdIfc4x3_add2::IfcConstraint::testAttr ( const OdIfc::OdIfcAttribute explicitAttrDef) const
overridevirtual

Checks whether the specified attribute is set.

Parameters
explicitAttrDef[in] Attribute definition to test.
Returns
true if the specified attribute is set, false otherwise.

Reimplemented from OdIfc::OdIfcInstance.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ type()

virtual OdIfc::OdIfcEntityType OdIfc4x3_add2::IfcConstraint::type ( ) const
overridevirtual

Returns the type of this entity.

Returns
A value of the <exref target=https://docs.opendesign.com/tkernel_api_cpp/OdIfc__OdIfcEntityType.html>>OdIfc::OdIfcEntityType</exref> type that represents type of this entity.

Reimplemented from OdIfc::OdIfcInstance.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ unsetAttr() [1/2]

virtual void OdIfc4x3_add2::IfcConstraint::unsetAttr ( const char * explicitAttrName)
overridevirtual

Resets a value for the specified attribute.

Parameters
explicitAttrName[in] Explicit name of the attribute to reset.

Reimplemented from OdIfc::OdIfcInstance.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

◆ unsetAttr() [2/2]

virtual void OdIfc4x3_add2::IfcConstraint::unsetAttr ( const OdIfc::OdIfcAttribute explicitAttrDef)
overridevirtual

Resets a value for the specified attribute.

Parameters
explicitAttrDef[in] Explicit definition that represents an attribute to reset.

Reimplemented from OdIfc::OdIfcInstance.

Reimplemented in OdIfc4x3_add2::IfcMetric, and OdIfc4x3_add2::IfcObjective.

Friends And Related Symbol Documentation

◆ IfcExternalReferenceRelationship

friend class IfcExternalReferenceRelationship
friend

Definition at line 332 of file Ifc4x3/IfcConstraintAutoImpl.h.

◆ IfcResourceConstraintRelationship

friend class IfcResourceConstraintRelationship
friend

Definition at line 333 of file Ifc4x3/IfcConstraintAutoImpl.h.

Member Data Documentation

◆ m_ConstraintGrade

OdDAI::Enum OdIfc4x3_add2::IfcConstraint::m_ConstraintGrade
protected

Definition at line 325 of file Ifc4x3/IfcConstraintAutoImpl.h.

◆ m_ConstraintSource

OdAnsiString OdIfc4x3_add2::IfcConstraint::m_ConstraintSource
protected

Definition at line 326 of file Ifc4x3/IfcConstraintAutoImpl.h.

◆ m_CreatingActor

OdDAI::Select OdIfc4x3_add2::IfcConstraint::m_CreatingActor
protected

Definition at line 327 of file Ifc4x3/IfcConstraintAutoImpl.h.

◆ m_CreationTime

OdAnsiString OdIfc4x3_add2::IfcConstraint::m_CreationTime
protected

Definition at line 328 of file Ifc4x3/IfcConstraintAutoImpl.h.

◆ m_Description

OdAnsiString OdIfc4x3_add2::IfcConstraint::m_Description
protected

Definition at line 324 of file Ifc4x3/IfcConstraintAutoImpl.h.

◆ m_Name

OdAnsiString OdIfc4x3_add2::IfcConstraint::m_Name
protected

Definition at line 323 of file Ifc4x3/IfcConstraintAutoImpl.h.

◆ m_UserDefinedGrade

OdAnsiString OdIfc4x3_add2::IfcConstraint::m_UserDefinedGrade
protected

Definition at line 329 of file Ifc4x3/IfcConstraintAutoImpl.h.


The documentation for this class was generated from the following file: