DeviceManagementClient.GetDeviceClass(String, RequestContext) Method

Reference

Definition

Namespace:: Azure.IoT.DeviceUpdate

Assembly:: Azure.IoT.DeviceUpdate.dll

Package:: Azure.IoT.DeviceUpdate v1.0.0

Source:: DeviceManagementClient.cs

Important

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Gets the properties of a device class.

public virtual Azure.Response GetDeviceClass (string deviceClassId, Azure.RequestContext context = default);

abstract member GetDeviceClass : string * Azure.RequestContext -> Azure.Response
override this.GetDeviceClass : string * Azure.RequestContext -> Azure.Response

Public Overridable Function GetDeviceClass (deviceClassId As String, Optional context As RequestContext = Nothing) As Response

Parameters

deviceClassId: String

Device class identifier.

context: RequestContext

The request context, which can override default behaviors of the client pipeline on a per-call basis.

Returns

Response

The response returned from the service. Details of the response body schema are in the Remarks section below.

Exceptions

ArgumentNullException

deviceClassId is null.

ArgumentException

deviceClassId is an empty string, and was expected to be non-empty.

RequestFailedException

Service returned a non-success status code.

Examples

This sample shows how to call GetDeviceClass with required parameters and parse the result.

var credential = new DefaultAzureCredential();
var endpoint = new Uri("<https://my-service.azure.com>");
var client = new DeviceManagementClient(endpoint, "<instanceId>", credential);

Response response = client.GetDeviceClass("<deviceClassId>");

JsonElement result = JsonDocument.Parse(response.ContentStream).RootElement;
Console.WriteLine(result.GetProperty("deviceClassId").ToString());
Console.WriteLine(result.GetProperty("friendlyName").ToString());
Console.WriteLine(result.GetProperty("deviceClassProperties").GetProperty("contractModel").GetProperty("id").ToString());
Console.WriteLine(result.GetProperty("deviceClassProperties").GetProperty("contractModel").GetProperty("name").ToString());
Console.WriteLine(result.GetProperty("deviceClassProperties").GetProperty("compatProperties").GetProperty("<test>").ToString());
Console.WriteLine(result.GetProperty("bestCompatibleUpdate").GetProperty("updateId").GetProperty("provider").ToString());
Console.WriteLine(result.GetProperty("bestCompatibleUpdate").GetProperty("updateId").GetProperty("name").ToString());
Console.WriteLine(result.GetProperty("bestCompatibleUpdate").GetProperty("updateId").GetProperty("version").ToString());
Console.WriteLine(result.GetProperty("bestCompatibleUpdate").GetProperty("description").ToString());
Console.WriteLine(result.GetProperty("bestCompatibleUpdate").GetProperty("friendlyName").ToString());

Remarks

Below is the JSON schema for the response payload.

Response Body:

Schema for DeviceClass:

{
              deviceClassId: string, # Required. The device class identifier. This is generated from the model Id and the compat properties reported by the device update agent in the Device Update PnP interface in IoT Hub. It is a hex-encoded SHA1 hash.
              friendlyName: string, # Optional. The device class friendly name. This can be updated by callers after the device class has been automatically created.
              deviceClassProperties: {
                contractModel: {
                  id: string, # Required. The Device Update agent contract model Id of the device class. This is also used to calculate the device class Id.
                  name: string, # Required. The Device Update agent contract model name of the device class. Intended to be a more readable form of the contract model Id.
                }, # Optional. The Device Update agent contract model.
                compatProperties: Dictionary<string, string>, # Required. The compat properties of the device class. This object can be thought of as a set of key-value pairs where the key is the name of the compatibility property and the value is the value of the compatibility property. There will always be at least 1 compat property
              }, # Required. The device class properties that are used to calculate the device class Id
              bestCompatibleUpdate: {
                updateId: {
                  provider: string, # Required. Update provider.
                  name: string, # Required. Update name.
                  version: string, # Required. Update version.
                }, # Required. Update identifier.
                description: string, # Optional. Update description.
                friendlyName: string, # Optional. Friendly update name.
              }, # Optional. Update that is the highest version compatible with this device class.
            }

Applies to

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