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Workflow Operations

Last updated: 2024-02-02 16:51:03

    Overview

    This document provides an overview of APIs and SDK code samples for media processing workflows in CI, with the animated image job as an example.
    API
    Operation
    Description
    Deleting workflow
    Deletes workflow
    Querying workflow
    Queries workflow
    Querying workflow instance details
    Queries workflow instance details
    Querying workflow details list
    Gets workflow instance list
    Triggering workflow
    Executes workflow

    Deleting Workflow

    Feature description

    This API is used to delete a workflow.

    Method prototype

    public Boolean deleteWorkflow(MediaWorkflowListRequest request);

    Parameter description

    Request has the following sub-nodes:
    Node Name (Keyword)
    Description
    Type
    Required
    bucketName
    Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
    String
    Yes
    workflowId
    Workflow ID
    String
    Yes

    Response description

    Success: true is returned upon success.
    Failure: An error (such as the bucket does not exist) occurs, throwing the CosClientException or CosServiceException exception. For more information, see Troubleshooting.

    Sample request

    //1. Create a workflow request object
    MediaWorkflowListRequest request = new MediaWorkflowListRequest();
    //2. Add request parameters as detailed in the API documentation
    request.setBucketName("examplebucket-1250000000");
    request.setWorkflowId("aaaa");
    Boolean response = client.deleteWorkflow(request);

    Querying Workflow

    Feature description

    This API is used to search for a workflow.

    Method prototype

    public MediaWorkflowListResponse describeWorkflow(MediaWorkflowListRequest request);

    Parameter description

    Parameter
    Description
    Type
    Required
    bucketName
    Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
    String
    Yes
    ids
    Workflow ID. If you enter multiple IDs, separate them with commas (,).
    String
    No
    name
    Workflow name.
    String
    No
    pageNumber
    Page number.
    String
    No
    pageSize
    Number of entries per page.
    String
    No

    Response description

    Success: A workflow set response object is returned, which contains the workflow object set.
    Failure: An error (such as authentication failure) occurs, throwing the "CosClientException" or "CosServiceException" exception. For more information, see Troubleshooting.

    Sample request

    //1. Create a workflow request object
    MediaWorkflowListRequest request = new MediaWorkflowListRequest();
    //2. Add request parameters as detailed in the API documentation
    request.setBucketName("examplebucket-1250000000");
    MediaWorkflowListResponse response = client.describeWorkflow(request);
    List<MediaWorkflowObject> mediaWorkflowList = response.getMediaWorkflowList();

    Querying Workflow Instance Details

    Feature description

    This API is used to query the details of a workflow instance.

    Method prototype

    public MediaWorkflowExecutionResponse describeWorkflowExecution(MediaWorkflowListRequest request);

    Parameter description

    Parameter
    Description
    Type
    Required
    bucketName
    Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
    String
    Yes
    runId
    Workflow instance ID
    String
    Yes

    Response description

    Success: A workflow instance response wrapper class is returned, which contains the workflow instance details object.
    Failure: An error (such as authentication failure) occurs, throwing the "CosClientException" or "CosServiceException" exception. For more information, see Troubleshooting.

    Sample request

    //1. Create a workflow request object
    MediaWorkflowListRequest request = new MediaWorkflowListRequest();
    //2. Add request parameters as detailed in the API documentation
    request.setBucketName("examplebucket-1250000000");
    request.setRunId("i34bfd8d7eae711ea89fe525400c******");
    MediaWorkflowExecutionResponse response = client.describeWorkflowExecution(request);

    Querying Workflow Details List

    Feature description

    This API is used to query the list of workflow details.

    Method prototype

    public MediaWorkflowExecutionsResponse describeWorkflowExecutions(MediaWorkflowListRequest request);

    Parameter description

    Node Name
    Description
    Type
    Required
    bucketName
    Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
    String
    Yes
    workflowId
    Workflow ID
    String
    Yes
    name
    Filename
    String
    No
    orderByTime
    Desc (default) or Asc
    String
    No
    size
    Maximum number of jobs that can be pulled. The default value is 10. The maximum value is 100.
    String
    No
    states
    Workflow instance status. If you enter multiple statuses, separate them with commas (,).
    Valid values: All, Success, Failed, Running, Cancel. Default value: All
    String
    No
    startCreationTime
    Start time of the time range for job pulling in the format of %Y-%m-%dT%H:%m:%S%z
    String
    No
    endCreationTime
    End time of the time range for job pulling in the format of %Y-%m-%dT%H:%m:%S%z
    String
    No
    nextToken
    Context token for pagination
    String
    No

    Response description

    Success: A workflow instance set response object is returned, which contains the workflow object instance set.
    Failure: An error (such as authentication failure) occurs, throwing the "CosClientException" or "CosServiceException" exception. For more information, see Troubleshooting.

    Sample request

    //1. Create a workflow request object
    MediaWorkflowListRequest request = new MediaWorkflowListRequest();
    //2. Add request parameters as detailed in the API documentation
    request.setBucketName("examplebucket-1250000000");
    request.setWorkflowId("w4e6963a18e2446ed8bc8f09410e******");
    MediaWorkflowExecutionsResponse response = client.describeWorkflowExecutions(request);
    List<MediaWorkflowExecutionObject> workflowExecutionList = response.getWorkflowExecutionList();

    Manually Triggering Workflow

    Feature description

    This API is used to manually trigger a workflow.

    Method prototype

    public MediaWorkflowListResponse triggerWorkflowList(MediaWorkflowListRequest request);

    Sample request

    //1. Create a workflow request object
    MediaWorkflowListRequest request = new MediaWorkflowListRequest();
    //2. Add request parameters as detailed in the API documentation
    request.setBucketName("DemoBucket-123456789");
    request.setWorkflowId("we32f75950afe4a4682463d8158d*****");
    request.setObject("1.mp4");
    MediaWorkflowListResponse response = client.triggerWorkflowList(request);

    Parameter description

    Node Name
    Description
    Type
    Required
    bucketName
    Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
    String
    Yes
    object
    Name of the object that requires workflow processing
    String
    Yes
    workflowId
    ID of the workflow to trigger
    String
    Yes
    name
    Name of the existing triggered job, which can contain up to 128 letters, digits, hyphens, and underscores and is empty by default.
    String
    No

    Response description

    Success: The MediaWorkflowListResponse instance is returned.
    Failure: An error (such as authentication failure) occurs, throwing the "CosClientException" or "CosServiceException" exception. For more information, see Troubleshooting.
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