import GraphNamedObject from "@arcgis/core/rest/knowledgeGraph/GraphNamedObject.js";const GraphNamedObject = await $arcgis.import("@arcgis/core/rest/knowledgeGraph/GraphNamedObject.js");- Inheritance:
- GraphNamedObject→
GraphObject→ Accessor
- Subclasses:
- Entity, Relationship
- Since
- ArcGIS Maps SDK for JavaScript 4.25
The parent class for an Entity or Relationship that is defined in the graph schema. Specifies the shared properties between entities and relationships.
- See also
Constructors
Constructor
Parameters
| Parameter | Type | Description | Required |
|---|---|---|---|
| properties | | |
Properties
| Property | Type | Class |
|---|---|---|
declaredClass readonly inherited | ||
| | ||
properties inherited | ||
| |
properties
The properties of the graph object. For entities and relationships the properties are specified by its entity type or relationship type. The values of the properties are specific to the object.
Examples
//example of properties structure that includes geometry"properties": { "shape": { "declaredClass": "esri.geometry.Point", "cache": {}, "hasM": false, "hasZ": false, "latitude": 53.589000000000009, "longitude": -0.9633, "type": "point", "extent": null, "spatialReference": { "wkid": 4326 }, "x": -0.9633, "y": 53.589000000000009 }, "Name": "Suncommon", "Employee_Count": 400, "Address": "123 Broadway, New York, New York", "EnergyType": "solar"}//two entities of different entity types with different properties[{ "declaredClass": "esri.rest.knowledgeGraph.Entity", "properties": { "Name": "Suncommon", "Employee_Count": 400, "energyType": "solar" }, "typeName": "Company", "id": "1256"},{ "declaredClass": "esri.rest.knowledgeGraph.Entity", "properties": { "Name": "Empire State Building", "height": 1454, "heightUnits": "feet", "city": "New York" }, "typeName": "Building", "id": "B7889541"}]//two relationships of different relationship types with different properties[{ "declaredClass": "esri.rest.Relationship.Relationship", "properties": { "start_date": "2020-04-17", "employee_id": "4589", "office": "152 Building A" }, "typeName": "Employed_by", "id": "B7889541"},{ "declaredClass": "esri.rest.Relationship.Relationship", "properties": { "quantity": 125000, "frequency": "bi-weekly", "contact_person": "Betty White" }, "typeName": "buys_part", "id": "B7889541"}] typeName
- Type
- string
Specifies the name for all similar types of objects (entities or relationships) defined in the knowledge graph. For example, all 'employee' entities in a knowledge graph of an organization might have the typeName 'employee'.
Methods
fromJSON
- Signature
-
fromJSON (json: any): any
Creates a new instance of this class and initializes it with values from a JSON object
generated from an ArcGIS product. The object passed into the input json
parameter often comes from a response to a query operation in the REST API or a
toJSON()
method from another ArcGIS product. See the Using fromJSON()
topic in the Guide for details and examples of when and how to use this function.
Parameters
| Parameter | Type | Description | Required |
|---|---|---|---|
| json | A JSON representation of the instance in the ArcGIS format. See the ArcGIS REST API documentation for examples of the structure of various input JSON objects. | |
- Returns
- any
Returns a new instance of this class.
toJSON
- Signature
-
toJSON (): any
Converts an instance of this class to its ArcGIS portal JSON representation. See the Using fromJSON() guide topic for more information.
- Returns
- any
The ArcGIS portal JSON representation of an instance of this class.