Querying Products

Function

This API is used to query products.

URI

GET /v2/{project_id}/link/instances/{instance_id}/products

**Table 1** Path parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain the project ID, see Appendix > Obtaining a Project ID in the ROMA Connect API Reference. Minimum: 0 Maximum: 32
instance_id	Yes	String	Instance ID. Minimum: 0 Maximum: 36

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
limit	No	Integer	Number of items displayed on each page. The maximum value is 999. If the value exceeds 999, only 999 items are returned. Minimum: 0 Maximum: 999999 Default: 10
app_id	No	String	Application ID. Minimum: 0 Maximum: 36
id	No	String	Product ID. Minimum: 0 Maximum: 64
name	No	String	Product name. Minimum: 0 Maximum: 64
manufacturer_id	No	String	Manufacturer ID. Minimum: 0 Maximum: 64
manufacturer_name	No	String	Manufacturer name. Minimum: 0 Maximum: 64
model	No	String	Model. Minimum: 0 Maximum: 64
device_type	No	String	Device type of a product. The default value is Default. Minimum: 0 Maximum: 64
product_type	No	Integer	Product type. 0: common product (subdevices are not supported) 1: gateway product Minimum: 0 Maximum: 10
protocol_type	No	Integer	Protocol type of the product. 0: mqtt 2: modbus 4: opcua Minimum: 0 Maximum: 10
created_user_name	No	String	This API is used to create a user. Minimum: 0 Maximum: 64
created_date_start	No	Long	Creation start time. The format is timestamp(ms) and the UTC time zone is used. Minimum: 1 Maximum: 99999999999999999
created_date_end	No	Long	Creation end time. The format is timestamp(ms) and the UTC time zone is used. Minimum: 1 Maximum: 99999999999999999
offset	No	Integer	Offset, which is the position where the query starts. The value must be greater than or equal to 0. Minimum: 0 Maximum: 999999 Default: 0
app_name	No	String	Application name. Minimum: 0 Maximum: 256
product_serial	No	String	Unique sequence number of a product (unique value in the system, which is used to mark a product in the topic of MQS). Minimum: 0 Maximum: 64

Request Parameters

None

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
total	Integer	Total. Minimum: 1 Maximum: 9999999999
size	Integer	Number of records displayed on each page. Minimum: 1 Maximum: 999
items	Array of Product objects	Product list.

**Table 4** Product
Parameter	Type	Description
permissions	Array of strings	Permission.
id	Integer	Product ID. Minimum: 1 Maximum: 99999999999999999
product_serial	String	Unique sequence number of a product (unique value in the system, which is used to mark a product in the topic of MQS). Minimum: 0 Maximum: 64
app_id	String	Application ID. Minimum: 0 Maximum: 64
name	String	Product name, which is unique in a tenant. The value can contain a maximum of 64 characters. Only letters, digits, underscores (_), and hyphens (-) are allowed. Minimum: 0 Maximum: 64
manufacturer_id	String	Product manufacturer ID. Minimum: 0 Maximum: 64
manufacturer_name	String	Manufacturer name. Minimum: 0 Maximum: 64
model	String	Product model. Minimum: 0 Maximum: 64
product_type	Integer	Product type. The options are as follows: 0: common (subdevices are not supported); 1: gateway. Minimum: 0 Maximum: 10
description	String	Product description, which contains a maximum of 200 characters. Minimum: 0 Maximum: 200
protocol_type	Integer	Protocol type of the product. 0: mqtt 2: modbus 4: opcua Minimum: 0 Maximum: 10
device_type	String	Device type of a product. The default value is Default. Minimum: 0 Maximum: 64
version	String	Product version. Minimum: 0 Maximum: 64
created_user	CreatedUser object	Name of the user who created the attribute.
last_updated_user	LastUpdatedUser object	User who performed the last update.
authentication	Authentication object	Authentication.
created_datetime	Long	Creation start time. The format is timestamp(ms) and the UTC time zone is used. Minimum: 1 Maximum: 99999999999999999
app_name	String	Application name. Minimum: 0 Maximum: 256
data_format	Integer	data_format 0-JSON 1-USER_DEFINED Minimum: 1 Maximum: 99999999999999999

**Table 5** CreatedUser
Parameter	Type	Description
user_id	String	User ID (reserved). Minimum: 0 Maximum: 64
user_name	String	Username. Minimum: 0 Maximum: 64

**Table 6** LastUpdatedUser
Parameter	Type	Description
user_id	String	User ID (reserved). Minimum: 0 Maximum: 64
user_name	String	Username. Minimum: 0 Maximum: 64

**Table 7** Authentication
Parameter	Type	Description
user_name	String	One-model-one-secret or one-device-one-secret username. Minimum: 0 Maximum: 64
password	String	One-model-one-secret or one-device-one-secret password. The password must contain 8 to 32 characters, including at least one digit, one uppercase letter, one lowercase letter, and one special character (~!@#$%^&*()-_=+\|[{}];:<>/?). Minimum: 0 Maximum: 64

Status code: 400

**Table 8** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx. Minimum: 0 Maximum: 64
error_msg	String	Error description. Minimum: 0 Maximum: 200
request_id	String	Message ID. Minimum: 0 Maximum: 64

Status code: 404

**Table 9** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx. Minimum: 0 Maximum: 64
error_msg	String	Error description. Minimum: 0 Maximum: 200
request_id	String	Message ID. Minimum: 0 Maximum: 64

Status code: 500

**Table 10** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx. Minimum: 0 Maximum: 64
error_msg	String	Error description. Minimum: 0 Maximum: 200
request_id	String	Message ID. Minimum: 0 Maximum: 64

Example Requests

GET /{project_id}/link/instances/{instance_id}/products

Example Responses

Status code: 200

{
  "total" : 1,
  "size" : 1,
  "items" : [ {
    "permissions" : [ "read", "access", "delete", "modify" ],
    "id" : 120671,
    "product_serial" : "Dd1bRt122894",
    "app_id" : "a1503e51-46f7-4d23-8617-7cb2d28dde98",
    "name" : "pro-opcua",
    "manufacturer_id" : "pro-opcua",
    "manufacturer_name" : "pro-opcua",
    "model" : "pro-opcua",
    "product_type" : 0,
    "description" : "opcua product",
    "protocol_type" : 4,
    "device_type" : "default",
    "version" : "version",
    "created_datetime" : 1607481372416,
    "app_name" : "app-link",
    "data_format" : 0,
    "created_user" : {
      "user_id" : "6546435432432",
      "user_name" : "user1"
    },
    "last_updated_user" : {
      "user_id" : "6546435432432",
      "user_name" : "user1"
    },
    "authentication" : {
      "user_name" : "4MjxbCl4q461",
      "password" : "********"
    }
  } ]
}

Status code: 400

Bad Request

{
  "error_code" : "SCB.00000000",
  "error_msg" : "Parameter is not valid for operation [romalink.link-product.search]. Parameter is [product_type]. Processor is [query].",
  "requestId" : "cb39e78a-afd3-4e04-901d-70468b1c23dc-1619602712496-cnnorth7a-P-romalink-service01"
}

Status code: 404

Not Found

{
  "error_code" : "SCB.00000000",
  "error_msg" : "Not Found"
}

Status code: 500

Internal Server Error

{
  "error_code" : "ROMA.00110002",
  "error_msg" : "The instance does not exist. project_id: 397cd10b30544c588b2f4a56d83856c4, instance_id: f3bb386a-23ec-47aa-9943-4c60ac658611",
  "request_id" : "c8c06d0a-be92-4fdf-9d10-bc20131ab158-1619593104919-cnnorth7a-P-romalink-service01"
}