API Reference > ecschema-Metadata > Metadata > Constant

Constant Class

Beta  

A Constant is a specific type of Unit that represents a number.

Extends

Methods

Name Description
constructor(schema: Schema, name: string): Constant    
fromJSON(constantProps: ConstantProps): Promise<void>    
fromJSONSync(constantProps: ConstantProps): void    
toJSON(standalone: boolean, includeSchemaVersion: boolean): ConstantProps Save this Constants properties to an object for serializing to JSON.  

Inherited methods

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

Properties

Name Type Description
_definition Protected string    
_denominator Protected undefined | number    
_numerator Protected undefined | number    
_phenomenon Protected undefined | LazyLoadedPhenomenon    
definition Accessor ReadOnly string    
denominator Accessor ReadOnly number    
hasDenominator Accessor ReadOnly boolean    
hasNumerator Accessor ReadOnly boolean    
numerator Accessor ReadOnly number    
phenomenon Accessor ReadOnly undefined | LazyLoadedPhenomenon    
schemaItemType Readonly Constant    

Inherited properties

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

Defined in

Last Updated: 20 June, 2023