Class TIfcOwnerHistory
Unit
Declaration
type TIfcOwnerHistory = class(TIfcPersistent)
Description
All history and identification related information.
Spec: https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/lexical/IfcOwnerHistory.htm
Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1603).
Hierarchy
- TObject
- TPersistent
- TComponent
- TIfcPersistent
- TIfcOwnerHistory
Overview
Methods
| Protected | function WantsGlobalId: Boolean; virtual; |
| Protected | class function IfcClassName: String; virtual; |
Properties
| Published | property GlobalId: String read FGlobalId write FGlobalId; |
| Published | property OwningUser: TIfcPersonAndOrganization read FOwningUser write FOwningUser; |
| Published | property OwningApplication: TIfcApplication read FOwningApplication write FOwningApplication; |
| Published | property State: TIfcStateEnum read FState write FState
default TIfcStateEnum.NotDefined; |
| Published | property ChangeAction: TIfcChangeActionEnum read FChangeAction write FChangeAction
default TIfcChangeActionEnum.NotDefined; |
| Published | property LastModifiedDate: TIfcTimeStamp read FLastModifiedDate write FLastModifiedDate default 0; |
| Published | property LastModifyingUser: TIfcPersonAndOrganization read FLastModifyingUser write FLastModifyingUser; |
| Published | property LastModifyingApplication: TIfcApplication read FLastModifyingApplication write FLastModifyingApplication; |
| Published | property CreationDate: TIfcTimeStamp read FCreationDate write FCreationDate default 0; |
Description
Methods
| Protected | function WantsGlobalId: Boolean; virtual; |
|
This item is declared in ancestor TIfcPersistent.
If Strictly following the spec, this should be only defined for TIfcRoot, because only IfcRoot has GlobalId. In reality, we need GlobalId at TIfcPersistent to load some files, and we sometimes need | |
| Protected | class function IfcClassName: String; virtual; |
|
This item is declared in ancestor TIfcPersistent. Name for the IFC standard, used in IFC files. By default, this is just ClassName with prefix 'T' removed. | |
Properties
| Published | property GlobalId: String read FGlobalId write FGlobalId; |
|
This item is declared in ancestor TIfcPersistent. Globally unique identifier for the object instance. Note: Not declared as TGUID, because TGUID cannot be published, but also we don't really need it: for our purposes, this identifier is just an arbitrary string. Note: IFC 4.3 specification puts this only at IfcRoot, not at every IFC class. But testcase https://github.com/buildingsmart-community/Community-Sample-Test-Files/blob/main/IFC%204.0.2.1%20(IFC%204)/ISO%20Spec%20archive/wall-with-opening-and-window.json (from IFC 4.0) shows this can be present at any IFC class, in particular TIfcGeometricRepresentationContext. In fact, TIfcGeometricRepresentationContext needs to have IFC JSON documentation says this, which seems to (unfortunately it is not unambiguous enough...) allow this at any IFC class: "Whereas the | |
| Published | property OwningUser: TIfcPersonAndOrganization read FOwningUser write FOwningUser; |
|
End user who currently "owns" this object. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1615). | |
| Published | property OwningApplication: TIfcApplication read FOwningApplication write FOwningApplication; |
|
Application which currently "owns" this object on behalf of the owning user of the application. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1619). | |
| Published | property State: TIfcStateEnum read FState write FState
default TIfcStateEnum.NotDefined; |
|
Current access state of the object. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1622). | |
| Published | property ChangeAction: TIfcChangeActionEnum read FChangeAction write FChangeAction
default TIfcChangeActionEnum.NotDefined; |
|
Actions associated with changes made to the object. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1626). | |
| Published | property LastModifiedDate: TIfcTimeStamp read FLastModifiedDate write FLastModifiedDate default 0; |
|
When the the last modification was made by LastModifyingUser and LastModifyingApplication. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1631). | |
| Published | property LastModifyingUser: TIfcPersonAndOrganization read FLastModifyingUser write FLastModifyingUser; |
|
User who carried out the last modification using LastModifyingApplication. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1634). | |
| Published | property LastModifyingApplication: TIfcApplication read FLastModifyingApplication write FLastModifyingApplication; |
|
Application used to make the last modification. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1637). | |
| Published | property CreationDate: TIfcTimeStamp read FCreationDate write FCreationDate default 0; |
|
When was the entity first created by the original OwningApplication. Once defined this value remains unchanged through the lifetime of the entity. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1641). | |
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