CFx SDK Documentation 2026 SP0
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OdIfc4x3_rc1::IfcExternalReference Class Reference

#include <IfcExternalReferenceAutoImpl.h>

Inheritance diagram for OdIfc4x3_rc1::IfcExternalReference:
OdIfc4x3_rc1::OdIfc4x3_RC1Instance OdIfc::OdIfcInstance OdIfc4x3_rc1::IfcClassificationReference OdIfc4x3_rc1::IfcDocumentReference OdIfc4x3_rc1::IfcExternallyDefinedHatchStyle OdIfc4x3_rc1::IfcExternallyDefinedSurfaceStyle OdIfc4x3_rc1::IfcExternallyDefinedTextFont OdIfc4x3_rc1::IfcLibraryReference

Public Member Functions

const OdAnsiString & getLocation () const
 
void setLocation (const OdAnsiString &Location)
 
const OdAnsiString & getIdentification () const
 
void setIdentification (const OdAnsiString &Identification)
 
const OdAnsiString & getName () const
 
void setName (const OdAnsiString &Name)
 
void getInvExternalReferenceForResources (OdDAIObjectIds &ExternalReferenceForResources) const
 
 IfcExternalReference ()
 
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_rc1::OdIfc4x3_RC1Instance
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_Location
 
OdAnsiString m_Identification
 
OdAnsiString m_Name
 
- Protected Attributes inherited from OdIfc::OdIfcInstance
voidm_resPtr
 
IfcOpResult m_resolved
 

Friends

class IfcExternalReferenceRelationship
 

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 IfcExternalReference is the identification of information that is not explicitly represented in the current model or in the project database (as an implementation of the current model). Such information can be contained in classifications, documents or libraries. The IfcExternalReference identifies a particular item, such as a dictionary entry, a classification notation, or a document reference within the external source.

Only the Location (as a URL) is provided to describe the place where the information can be found. Also an optional Identification as a key to allow more specific references (as to sections or tables) is provided. The Identification defines a system interpretable method to identify the relevant part of information at the source. In addition a human interpretable Name can be assigned to identify the information subject, such as a classification code.

Remarks
This definition may not be instantiated.

\changes

IFC4 changes: Attribute ItemReference renamed to Identification Type of the Location attribute changed from "IfcLabel" to "IfcURIReference"

Definition at line 62 of file Ifc4x3_RC1/IfcExternalReferenceAutoImpl.h.

Constructor & Destructor Documentation

◆ IfcExternalReference()

OdIfc4x3_rc1::IfcExternalReference::IfcExternalReference ( )

Default constructor for the IfcExternalReference class.

Member Function Documentation

◆ comparedToEarlyImpl()

virtual bool OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, OdIfc4x3_rc1::IfcExternallyDefinedHatchStyle, OdIfc4x3_rc1::IfcExternallyDefinedSurfaceStyle, OdIfc4x3_rc1::IfcExternallyDefinedTextFont, and OdIfc4x3_rc1::IfcLibraryReference.

◆ getAttr() [1/2]

virtual OdRxValue OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, and OdIfc4x3_rc1::IfcLibraryReference.

◆ getAttr() [2/2]

virtual OdRxValue OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, and OdIfc4x3_rc1::IfcLibraryReference.

◆ getIdentification()

const OdAnsiString & OdIfc4x3_rc1::IfcExternalReference::getIdentification ( ) const

Returns the value of Identification attribute. This attribute represents a unique identifier of the referenced item within the external source (classification, document or library).

Returns
Returns the value of Identification attribute.

◆ getInstanceType()

virtual OdDAI::Entity * OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, OdIfc4x3_rc1::IfcExternallyDefinedHatchStyle, OdIfc4x3_rc1::IfcExternallyDefinedSurfaceStyle, OdIfc4x3_rc1::IfcExternallyDefinedTextFont, and OdIfc4x3_rc1::IfcLibraryReference.

◆ getInvExternalReferenceForResources()

void OdIfc4x3_rc1::IfcExternalReference::getInvExternalReferenceForResources ( OdDAIObjectIds & ExternalReferenceForResources) const

Returns the value of ExternalReferenceForResources attribute. This attribute represents reference to all associations between this external reference and objects within the IfcResourceObjectSelect that are tagged by the external reference.

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

◆ getLocation()

const OdAnsiString & OdIfc4x3_rc1::IfcExternalReference::getLocation ( ) const

Returns the value of Location attribute. This attribute represents location, where the external source (classification, document or library) can be accessed by electronic means. The electronic location is provided as an URI, and would normally be provided as an URL location string.

Returns
Returns the value of Location attribute.

◆ getName()

const OdAnsiString & OdIfc4x3_rc1::IfcExternalReference::getName ( ) const

Returns the value of Name attribute. This attribute represents optional name to further specify the reference. It can provide a human-readable identifier (which does not necessarily need to have a counterpart in the internal structure of the document).

Returns
Returns the value of Name attribute.

◆ inFields()

virtual OdResult OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, and OdIfc4x3_rc1::IfcLibraryReference.

◆ isKindOf()

virtual bool OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, OdIfc4x3_rc1::IfcExternallyDefinedHatchStyle, OdIfc4x3_rc1::IfcExternallyDefinedSurfaceStyle, OdIfc4x3_rc1::IfcExternallyDefinedTextFont, and OdIfc4x3_rc1::IfcLibraryReference.

◆ outFields()

virtual OdResult OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, and OdIfc4x3_rc1::IfcLibraryReference.

◆ putAttr() [1/2]

virtual bool OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, and OdIfc4x3_rc1::IfcLibraryReference.

◆ putAttr() [2/2]

virtual bool OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, and OdIfc4x3_rc1::IfcLibraryReference.

◆ setIdentification()

void OdIfc4x3_rc1::IfcExternalReference::setIdentification ( const OdAnsiString & Identification)

Sets the value of Identification attribute. This attribute represents a unique identifier of the referenced item within the external source (classification, document or library).

Parameters
Identification[in] Identification to set.

◆ setLocation()

void OdIfc4x3_rc1::IfcExternalReference::setLocation ( const OdAnsiString & Location)

Sets the value of Location attribute. This attribute represents location, where the external source (classification, document or library) can be accessed by electronic means. The electronic location is provided as an URI, and would normally be provided as an URL location string.

Parameters
Location[in] Location to set.

◆ setName()

void OdIfc4x3_rc1::IfcExternalReference::setName ( const OdAnsiString & Name)

Sets the value of Name attribute. This attribute represents optional name to further specify the reference. It can provide a human-readable identifier (which does not necessarily need to have a counterpart in the internal structure of the document).

Parameters
Name[in] Name to set.

◆ testAttr() [1/2]

virtual bool OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, and OdIfc4x3_rc1::IfcLibraryReference.

◆ testAttr() [2/2]

virtual bool OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, and OdIfc4x3_rc1::IfcLibraryReference.

◆ type()

virtual OdIfc::OdIfcEntityType OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, OdIfc4x3_rc1::IfcExternallyDefinedHatchStyle, OdIfc4x3_rc1::IfcExternallyDefinedSurfaceStyle, OdIfc4x3_rc1::IfcExternallyDefinedTextFont, and OdIfc4x3_rc1::IfcLibraryReference.

◆ unsetAttr() [1/2]

virtual void OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, and OdIfc4x3_rc1::IfcLibraryReference.

◆ unsetAttr() [2/2]

virtual void OdIfc4x3_rc1::IfcExternalReference::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_rc1::IfcClassificationReference, OdIfc4x3_rc1::IfcDocumentReference, and OdIfc4x3_rc1::IfcLibraryReference.

Friends And Related Symbol Documentation

◆ IfcExternalReferenceRelationship

friend class IfcExternalReferenceRelationship
friend

Definition at line 269 of file Ifc4x3_RC1/IfcExternalReferenceAutoImpl.h.

Member Data Documentation

◆ m_Identification

OdAnsiString OdIfc4x3_rc1::IfcExternalReference::m_Identification
protected

Definition at line 265 of file Ifc4x3_RC1/IfcExternalReferenceAutoImpl.h.

◆ m_Location

OdAnsiString OdIfc4x3_rc1::IfcExternalReference::m_Location
protected

Definition at line 264 of file Ifc4x3_RC1/IfcExternalReferenceAutoImpl.h.

◆ m_Name

OdAnsiString OdIfc4x3_rc1::IfcExternalReference::m_Name
protected

Definition at line 266 of file Ifc4x3_RC1/IfcExternalReferenceAutoImpl.h.


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