Creates directed edges for the existing task nodes of a task flow.
Operation description
When you add directed edges for a task node, take note of the following limits:
- The endpoints of the specified edge exist in the Directed Acyclic Graph (DAG) of the task flow specified by DagId.
- After a backward edge is added, the DAG does not contain loops.
Debugging
Authorization information
The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:
- Operation: the value that you can use in the Action element to specify the operation on a resource.
- Access level: the access level of each operation. The levels are read, write, and list.
- Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level,
All Resourcesis used in the Resource type column of the operation.
- Condition Key: the condition key that is defined by the cloud service.
- Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
| Operation | Access level | Resource type | Condition key | Associated operation |
|---|---|---|---|---|
| dms:AddTaskFlowEdges | create | *All Resources * |
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| Tid | long | No | The ID of the tenant. Note
: To view the ID of the tenant, go to the Data Management (DMS) console and move the pointer over the profile picture in the upper-right corner. For more information, see View information about the current tenant.
| 3*** |
| DagId | long | Yes | The ID of the task flow. You can call the ListTaskFlow or ListLhTaskFlowAndScenario operation to query the task flow ID. | 15*** |
| Edges | array<object> | Yes | The list of edges of the task flow. | |
| object | Yes | |||
| NodeEnd | long | Yes | The ID of the node where the end node of the edge is located. | 44*** |
| NodeFrom | long | Yes | The ID of the node where the start node of the edge is located. | 44*** |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "E5EE2B9E-2F95-57FA-B284-CB441CEE49D6",
"ErrorCode": "UnknownError",
"ErrorMessage": "UnknownError",
"Success": true,
"EdgeIds": {
"EdgeId": [
0
]
}
}Error codes
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|