Queries the edges of the directed acyclic graph (DAG) for a task flow based on multiple conditions.
Operation description
This operation is used for multi-condition query. You can call this operation to query the edges of a specified task flow that meet all specified conditions.
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:ListTaskFlowEdgesByCondition | list | *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*** |
| Id | long | No | The ID of the task flow edge. | 24*** |
| NodeFrom | long | No | The ID of the start node on the edge. | 44*** |
| NodeEnd | long | No | The ID of the end node on the edge. | 44*** |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "D86249CD-422F-5ACF-85BA-9187C986AE0B",
"ErrorCode": "UnknownError",
"ErrorMessage": "UnknownError",
"Success": true,
"Edges": {
"Edge": [
{
"Id": 0,
"NodeEnd": 0,
"NodeFrom": 0
}
]
}
}Error codes
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|