Deleting a Checkpoint
Function
This API is used to delete a checkpoint.
Calling Method
For details, see Calling APIs.
URI
DELETE /v2/{project_id}/checkpoints
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Project ID |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
stream_name |
Yes |
String |
Name of the stream to which the checkpoint belongs |
app_name |
Yes |
String |
Name of the application associated with the checkpoint. Minimum: 1 Maximum: 50 |
checkpoint_type |
Yes |
String |
Type of the checkpoint.
Enumeration values:
|
partition_id |
No |
String |
Identifier of the stream partition to which the checkpoint belongs.Two partition ID formats are available:- shardId-0000000000- 0For example, if a stream has three partitions, the partition IDs are 0, 1, and 2, or shardId-0000000000, shardId-0000000001, and shardId-0000000002. |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
X-Auth-Token |
Yes |
String |
User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token. |
Response Parameters
None
Example Requests
Deleting a Checkpoint
DELETE https://{Endpoint}/v2/{project_id}/checkpoints
Example Responses
None
SDK Sample Code
The SDK sample code is as follows.
Java
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package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; import com.huaweicloud.sdk.core.exception.ConnectionException; import com.huaweicloud.sdk.core.exception.RequestTimeoutException; import com.huaweicloud.sdk.core.exception.ServiceResponseException; import com.huaweicloud.sdk.dis.v2.region.DisRegion; import com.huaweicloud.sdk.dis.v2.*; import com.huaweicloud.sdk.dis.v2.model.*; public class DeleteCheckpointSolution { public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.getenv("CLOUD_SDK_SK"); ICredential auth = new BasicCredentials() .withAk(ak) .withSk(sk); DisClient client = DisClient.newBuilder() .withCredential(auth) .withRegion(DisRegion.valueOf("<YOUR REGION>")) .build(); DeleteCheckpointRequest request = new DeleteCheckpointRequest(); request.withStreamName("<stream_name>"); request.withAppName("<app_name>"); request.withCheckpointType(DeleteCheckpointRequest.CheckpointTypeEnum.fromValue("<checkpoint_type>")); request.withPartitionId("<partition_id>"); try { DeleteCheckpointResponse response = client.deleteCheckpoint(request); System.out.println(response.toString()); } catch (ConnectionException e) { e.printStackTrace(); } catch (RequestTimeoutException e) { e.printStackTrace(); } catch (ServiceResponseException e) { e.printStackTrace(); System.out.println(e.getHttpStatusCode()); System.out.println(e.getRequestId()); System.out.println(e.getErrorCode()); System.out.println(e.getErrorMsg()); } } } |
Python
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# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkdis.v2.region.dis_region import DisRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkdis.v2 import * if __name__ == "__main__": # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] credentials = BasicCredentials(ak, sk) client = DisClient.new_builder() \ .with_credentials(credentials) \ .with_region(DisRegion.value_of("<YOUR REGION>")) \ .build() try: request = DeleteCheckpointRequest() request.stream_name = "<stream_name>" request.app_name = "<app_name>" request.checkpoint_type = "<checkpoint_type>" request.partition_id = "<partition_id>" response = client.delete_checkpoint(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Go
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" dis "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dis/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dis/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dis/v2/region" ) func main() { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak := os.Getenv("CLOUD_SDK_AK") sk := os.Getenv("CLOUD_SDK_SK") auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). Build() client := dis.NewDisClient( dis.DisClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.DeleteCheckpointRequest{} request.StreamName = "<stream_name>" request.AppName = "<app_name>" request.CheckpointType = model.GetDeleteCheckpointRequestCheckpointTypeEnum().<CHECKPOINT_TYPE> partitionIdRequest:= "<partition_id>" request.PartitionId = &partitionIdRequest response, err := client.DeleteCheckpoint(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
More
For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.
Status Codes
Status Code |
Description |
---|---|
204 |
Normal response |
Error Codes
See Error Codes.
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