Unit Class

An abstract class that adds the ability to define Units and everything that goes with them, within an ECSchema as a first-class concept is to allow the iModel to not be dependent on any hard-coded Units

Extends

• SchemaItem

Methods

Name	Description
constructor(schema: Schema, name: string): Unit
fromJSON(unitProps: SchemaItemUnitProps): Promise<void>
fromJSONSync(unitProps: SchemaItemUnitProps): void
toJSON(standalone: booleanfalse, includeSchemaVersion: booleanfalse): SchemaItemUnitProps	Save this Unit's properties to an object for serializing to JSON.

Inherited methods

Name	Inherited from	Description
equalByKey(thisSchemaItem: SchemaItem, thatSchemaItemOrKey?: SchemaItemKey | SchemaItem): boolean Static Inherited	SchemaItem	Indicates if the two SchemaItem objects are equal by comparing their respective key properties.
parseFullName(fullName: string): [string, string] Static Inherited	SchemaItem	Parses the given full name, {schemaName}.{schemaItemName} or {schemaName}:{schemaItemName}, into two separate strings.

Properties

Name	Type	Description
_definition Protected	string
_denominator Protected	number | undefined
_numerator Protected	number | undefined
_offset Protected	number | undefined
_phenomenon Protected	LazyLoadedPhenomenon | undefined
_unitSystem Protected	LazyLoadedUnitSystem | undefined
definition Accessor ReadOnly	string
denominator Accessor ReadOnly	number
hasDenominator Accessor ReadOnly	boolean
hasNumerator Accessor ReadOnly	boolean
hasOffset Accessor ReadOnly	boolean
numerator Accessor ReadOnly	number
offset Accessor ReadOnly	number
phenomenon Accessor ReadOnly	undefined | LazyLoadedPhenomenon
schemaItemType Readonly	Unit
unitSystem Accessor ReadOnly	undefined | LazyLoadedUnitSystem

Inherited properties

Name	Type	Inherited from	Description
_description Protected Inherited	string | undefined	SchemaItem
_key Protected Inherited	SchemaItemKey	SchemaItem
_label Protected Inherited	string | undefined	SchemaItem
description Accessor Inherited ReadOnly	undefined | string	SchemaItem
fullName Accessor Inherited ReadOnly	string	SchemaItem
key Accessor Inherited ReadOnly	SchemaItemKey	SchemaItem
label Accessor Inherited ReadOnly	undefined | string	SchemaItem
name Accessor Inherited ReadOnly	string	SchemaItem
schema Readonly Inherited	Schema	SchemaItem

Defined in

• ecschema-metadata/src/Metadata/Unit.ts Line 26