IfcActionRequest

Definition from IAI: An IfcActionRequest is a request for an action to fulfil a need.

HISTORY: New Entity in IFC 2x2

Use Definitions

Requests may take many forms depending on the need including fault reports for maintenance, requests for small works, purchase requests (where these are to be made through a help desk or buying function) etc.

A request may call for several actions and an action may refer to several requests. IfcRelAssignsToControl is used to relate one or more requests to an action.

Property Set Use Definition:

The property sets relating to an IfcActionRequest are defined by the IfcPropertySet and attached by the IfcRelDefinesByProperties relationship. It is accessible by the inverse IsDefinedBy relationship. The following property set definitions specific to an IfcActionRequest are part of this IFC release:

Pset_ActionRequest: property set for the properties of a request for a facilities management action, if available

EXPRESS specification:

ENTITY IfcActionRequest

SUBTYPE OF (

IfcControl);

RequestID

IfcIdentifier;

UNIQUE

UR2

RequestID;

END_ENTITY;

Attribute definitions:

RequestID

A unique identifier assigned to the request on receipt.

Inheritance graph

ENTITY IfcActionRequest;

ENTITY IfcRoot;

GlobalId

IfcGloballyUniqueId;

OwnerHistory

IfcOwnerHistory;

Name

OPTIONAL IfcLabel;

Description

OPTIONAL IfcText;

ENTITY IfcObjectDefinition;

INVERSE

HasAssignments

SET OF IfcRelAssigns FOR RelatedObjects;

IsDecomposedBy

SET OF IfcRelDecomposes FOR RelatingObject;

Decomposes

SET [0:1] OF IfcRelDecomposes FOR RelatedObjects;

HasAssociations

SET OF IfcRelAssociates FOR RelatedObjects;

ENTITY IfcObject;

ObjectType

OPTIONAL IfcLabel;

INVERSE

IsDefinedBy

SET OF IfcRelDefines FOR RelatedObjects;

ENTITY IfcControl;

INVERSE

Controls

SET OF IfcRelAssignsToControl FOR RelatingControl;

ENTITY IfcActionRequest;

RequestID

IfcIdentifier;

END_ENTITY;