Model Class @preview

A Model is a container for persisting a collection of related elements within an iModel. See IModelDb.Models for how to query and manage the Models in an IModelDb. See Creating models

Extends

• Entity

Extended by

• GeometricModel
• RoleModel
• InformationModel

Methods

Name	Description
constructor(props: ModelProps, iModel: IModelDb): Model Protected
collectReferenceIds(referenceIds: EntityReferenceSet): void Protected	Collect the Ids of this entity's references at this level of the class hierarchy.
delete(): void	Delete this Model from the iModel.
getJsonProperty(name: string): any
getUserProperties(namespace: string): any	Get a set of JSON user properties by namespace
insert(): string	Insert this Model in the iModel
removeUserProperties(nameSpace: string): void	Remove a set of JSON user properties, specified by namespace, from this Element
setJsonProperty(name: string, value: any): void
setUserProperties(nameSpace: string, value: any): void	Change a set of user JSON properties of this Element by namespace.
toJSON(): ModelProps	Obtain the JSON representation of this Entity.
update(): void	Update this Model in the iModel.
deserialize(props: DeserializeEntityArgs): ModelProps Static	Converts an ECSqlRow of an Entity to an EntityProps.
onDelete(arg: OnModelIdArg): void Protected Static	Called before a Model is deleted.
onDeleted(arg: OnModelIdArg): void Protected Static	Called after a Model was deleted.
onDeletedElement(arg: OnElementInModelIdArg): void Protected Static	Called after an Element in an instance of a Model of this class has been deleted.
onDeleteElement(_arg: OnElementInModelIdArg): void Protected Static	Called when an Element in an instance of a Model of this class is about to be deleted.
onInsert(arg: OnModelPropsArg): void Protected Static	Called before a new Model is inserted.
onInserted(_arg: OnModelIdArg): void Protected Static	Called after a new Model is inserted.
onInsertedElement(arg: OnElementInModelIdArg): void Protected Static	Called after an Element has been inserted into an instance of a Model of this class.
onInsertElement(_arg: OnElementInModelPropsArg): void Protected Static	Called before a prospective Element is to be inserted into an instance of a Model of this class.
onUpdate(arg: OnModelPropsArg): void Protected Static	Called before a Model is updated.
onUpdated(arg: OnModelIdArg): void Protected Static	Called after a Model is updated.
onUpdatedElement(arg: OnElementInModelIdArg): void Protected Static	Called after an Element in an instance of a Model of this class has been updated.
onUpdateElement(_arg: OnElementInModelPropsArg): void Protected Static	Called when an Element in an instance of a Model of this class is about to be updated.
serialize(props: ModelProps, _iModel: IModelDb): ECSqlRow Static	Converts an EntityProps to an ECSqlRow.

Inherited methods

Name	Inherited from	Description
forEach(func: PropertyHandler, includeCustom: booleantrue): void Inherited	Entity	Call a function for each property of this Entity.
forEachProperty(func: PropertyCallback, includeCustom: booleantrue): void Inherited	Entity	Call a function for each property of this Entity.
getMetaData(): Promise<EntityClass | RelationshipClass> Inherited	Entity	Query metadata for this entity class from the iModel's schema.
getReferenceIds(): EntityReferenceSet Inherited	Entity	Get the set of this entity's entity references, EntityReferenceSet.
is(otherClass: ): boolean Static Inherited	Entity	return whether this Entity class is a subclass of another Entity class

Properties

Name	Type	Description
_customHandledProps Protected Static Readonly	CustomHandledProperty[]	List of properties that are need to be custom handled during deserialization and serialization.
className Accessor Static ReadOnly	string	The name of the BIS class associated with this class.
isPrivate	boolean
isTemplate	boolean
jsonProperties Readonly	[key: string]: any
modeledElement Readonly	RelatedElement
name Readonly	string
parentModel Readonly	string | undefined

Inherited properties

Name	Type	Inherited from	Description
_metadata Protected Inherited	EntityClass | RelationshipClass	Entity	Cached Metadata for the ECClass
classFullName Accessor Inherited ReadOnly	string	Entity	Get the full BIS class name of this Entity in the form "schema:class".
classFullName Accessor Static Inherited ReadOnly	string	Entity	Get the full BIS class name of this Entity in the form "schema:class"
className Accessor Inherited ReadOnly	string	Entity	The name of the BIS class associated with this class.
id Inherited	string	Entity	The Id of this Entity.
iModel Inherited	IModelDb	Entity	The IModelDb that contains this Entity
isInstanceOfEntity Readonly Inherited	"true"	Entity	An immutable property used to discriminate between Entity and EntityProps, used to inform the TypeScript compiler that these two types
schema Static Inherited		Entity	The Schema that defines this class.
schemaItemKey Accessor Inherited ReadOnly	SchemaItemKey	Entity	Get the item key used by the ecschema-metadata package to identify this entity class
schemaItemKey Accessor Static Inherited ReadOnly	SchemaItemKey	Entity	Serves as a unique identifier for this class. Typed variant of classFullName.
schemaName Accessor Inherited ReadOnly	string	Entity	The name of the BIS Schema that defines this class

Defined in

• core/backend/src/Model.ts Line 68