Retrieve Number of Devices of an Application that Implements a Specific Device Model
get
/iot/api/v2/apps/{app-id}/deviceModels/{urn}/devices/count
Retrieve a document with the total number of devices that implement the given device model for the app.
Request
Path Parameters
-
app-id: string
Unique identifier of the application
-
urn: string
URN of the implemented device model
Response
Supported Media Types
- application/json
- application/vnd.oracle.resource+json;type=singular
200 Response
Successfully processed.
Root Schema : RecordsCount_receive
Type:
Show Source
object
-
count:
integer
Property description was not set
400 Response
Bad Request. The request could not be understood by the server due to malformed syntax. The client SHOULD NOT repeat the request without modifications.
401 Response
Unauthorized. The request requires user authentication.
403 Response
Forbidden. The server understood the request, but is refusing to fulfill it. Authorization will not help and the request SHOULD NOT be repeated.
404 Response
Not Found. The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.
406 Response
Request Not Acceptable. The resource identified by the request is only capable of generating response entities which have content characteristics not acceptable according to the accept headers sent in the request.
Examples
The following example shows how to view the number of devices having a device model of type urn:example:unique:identifier:of:the:resource:43b4
of an application with app-id 63b36d2e204b-5c4
of an IoT Cloud Service instance by submitting a GET request on the REST resource using cURL. For more information about cURL, see Use cURL.
Note:
In the request and response,iotserver
will be replaced by name and port of your assigned Oracle IoT Cloud Service instance. The format of the Cloud Service instance is
myinstance-myidentitydomain.iot.us.oraclecloud.com
and the default port is
443.
curl -X GET -k -H 'Accept: application/json' -u 'username@example.com:password' http://iotserver/iot/api/v2/apps/63b36d2e204b-5c4/deviceModels/urn:example:unique:identifier:of:the:resource:43b4/devices/count
Example of Response Header
The following shows an example of the response header.
HTTP/1.1 200 OK Content-Type: application/json
Example of Response Body
The following example shows the contents of the response body in JSON format.
{ "count":2, "links":[ { "rel":"self", "href":"http://iotserver/iot/api/version/resource/path" }, { "rel":"canonical", "href":"http://iotserver/iot/api/version/resource/path" } ] }