Creating a Rule

Function

This API is used to create a rule.

URI

POST /v2/{project_id}/link/instances/{instance_id}/rules

**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

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
name	Yes	String	Rule name, which is a string of 1 to 64 characters containing case-sensitive letters, digits, underscores (_), and hyphens (-). Minimum: 1 Maximum: 64
app_id	Yes	String	Application ID. Minimum: 0 Maximum: 64
description	No	String	Description, which contains a maximum of 200 characters. Minimum: 0 Maximum: 200
status	No	Integer	Rule status. The options are as follows: 0: enabled; 1: disabled. If this parameter is left empty, the default value 0 is used. Minimum: 0 Maximum: 10
data_parsing_status	No	Integer	Data parsing status. The options are as follows: 0: enabled; 1: disabled. If this parameter is left empty, the default value is 1. Minimum: 0 Maximum: 10

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
permissions	Array of strings	Permission.
rule_id	Integer	Rule ID. Minimum: 1 Maximum: 99999999999999999
name	String	Rule name, which is a string of 1 to 64 characters containing case-sensitive letters, digits, underscores (_), and hyphens (-). Minimum: 1 Maximum: 64
app_id	String	Application ID. Minimum: 0 Maximum: 64
app_name	String	Application name. Minimum: 0 Maximum: 256
description	String	Description. Minimum: 0 Maximum: 200
status	Integer	Rule status. The options are as follows: 0: enabled; 1: disabled. Minimum: 0 Maximum: 10
data_parsing_status	Integer	Data parsing status. If status is set to 0, this parameter is mandatory and must be set to 0 (indicating that data parsing is enabled) or 1 (indicating that data parsing is disabled). Minimum: 0 Maximum: 10
sql_field	String	SQL query field. Minimum: 0 Maximum: 2000
sql_where	String	SQL query condition. Minimum: 0 Maximum: 2000
rule_express	String	Complete rule expression. Minimum: 0 Maximum: 2000
created_user	CreatedUser object	Name of the user who created the attribute.
last_updated_user	LastUpdatedUser object	User who performed the last update.
created_datetime	Long	Creation start time. The format is timestamp(ms) and the UTC time zone is used. Minimum: 1 Maximum: 99999999999999999
last_updated_datetime	Long	Last modification time (timestamp, in milliseconds). The UTC time zone is used. Minimum: 1 Maximum: 99999999999999999

**Table 4** CreatedUser
Parameter	Type	Description
user_id	String	User ID (reserved). Minimum: 0 Maximum: 64
user_name	String	Username. Minimum: 0 Maximum: 64

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

Status code: 400

**Table 6** 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 7** 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 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

Example Requests

{
  "name" : "rule",
  "app_id" : "ef3845be-091a-4ab5-869a-9de0025e2165",
  "description" : "rule",
  "status" : 0,
  "data_parsing_status" : 0
}

Example Responses

Status code: 200

Created

{
  "permissions" : [ "read", "access", "delete", "modify" ],
  "rule_id" : 702244,
  "name" : "rule",
  "app_id" : "a1503e51-46f7-4d23-8617-7cb2d28dde98",
  "app_name" : "app-link",
  "description" : null,
  "status" : 0,
  "data_parsing_status" : 1,
  "sql_field" : null,
  "sql_where" : null,
  "rule_express" : null,
  "created_user" : {
    "user_id" : null,
    "user_name" : "user"
  },
  "last_updated_user" : {
    "user_id" : null,
    "user_name" : "user"
  },
  "created_datetime" : 1607598152997,
  "last_updated_datetime" : 1607598152997
}

Status code: 400

Bad Request

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

Status code: 404

Not Found

{
  "error_code" : "ROMA.00110006",
  "error_msg" : "The resource does not exist. Check whether the resource ID ff38023c-0854-4779-847d-72528e1f5da5 is correct.",
  "requestId" : "72b07918-f6a2-4721-81bf-f3fd5486025e-1619663576836-cnnorth7a-P-romalink-service01"
}

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"
}