SnapshotOperations Class

Reference

Definition

Namespace:: Microsoft.Azure.CognitiveServices.Vision.Face

Assembly:: Microsoft.Azure.CognitiveServices.Vision.Face.dll

Package:: Microsoft.Azure.CognitiveServices.Vision.Face v2.8.0-preview.3

Source:: SnapshotOperations.cs

Important

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SnapshotOperations operations.

public class SnapshotOperations : Microsoft.Azure.CognitiveServices.Vision.Face.ISnapshotOperations, Microsoft.Rest.IServiceOperations<Microsoft.Azure.CognitiveServices.Vision.Face.FaceClient>

type SnapshotOperations = class
    interface IServiceOperations<FaceClient>
    interface ISnapshotOperations

Public Class SnapshotOperations
Implements IServiceOperations(Of FaceClient), ISnapshotOperations

Inheritance: Object
SnapshotOperations

Implements: ISnapshotOperations IServiceOperations<FaceClient>

Constructors

SnapshotOperations(FaceClient)

Initializes a new instance of the SnapshotOperations class.

Properties

Client

Gets a reference to the FaceClient

Methods

ApplyWithHttpMessagesAsync(Guid, String, SnapshotApplyMode, Dictionary<String,List<String>>, CancellationToken)	Submit an operation to apply a snapshot to current subscription. For each snapshot, only subscriptions included in the applyScope of Snapshot - Take can apply it.<br /> The snapshot interfaces are for users to backup and restore their face data from one face subscription to another, inside same region or across regions. The workflow contains two phases, user first calls Snapshot - Take to create a copy of the source object and store it as a snapshot, then calls Snapshot - Apply to paste the snapshot to target subscription. The snapshots are stored in a centralized location (per Azure instance), so that they can be applied cross accounts and regions.<br /> Applying snapshot is an asynchronous operation. An operation id can be obtained from the "Operation-Location" field in response header, to be used in OperationStatus - Get for tracking the progress of applying the snapshot. The target object id will be included in the "resourceLocation" field in OperationStatus - Get response when the operation status is "succeeded".<br /> Snapshot applying time depends on the number of person and face entries in the snapshot object. It could be in seconds, or up to 1 hour for 1,000,000 persons with multiple faces.<br /> Snapshots will be automatically expired and cleaned in 48 hours after it is created by Snapshot - Take. So the target subscription is required to apply the snapshot in 48 hours since its creation.<br /> Applying a snapshot will not block any other operations against the target object, however it is not recommended because the correctness cannot be guaranteed during snapshot applying. After snapshot applying is completed, all operations towards the target object can work as normal. Snapshot also includes the training results of the source object, which means target subscription the snapshot applied to does not need re-train the target object before calling Identify/FindSimilar.<br /> One snapshot can be applied multiple times in parallel, while currently only CreateNew apply mode is supported, which means the apply operation will fail if target subscription already contains an object of same type and using the same objectId. Users can specify the "objectId" in request body to avoid such conflicts.<br /> Free-tier subscription quota: 100 apply operations per month. S0-tier subscription quota: 100 apply operations per day.
DeleteWithHttpMessagesAsync(Guid, Dictionary<String,List<String>>, CancellationToken)	Delete an existing snapshot according to the snapshotId. All object data and information in the snapshot will also be deleted. Only the source subscription who took the snapshot can delete the snapshot. If the user does not delete a snapshot with this API, the snapshot will still be automatically deleted in 48 hours after creation.
GetOperationStatusWithHttpMessagesAsync(Guid, Dictionary<String,List<String>>, CancellationToken)	Retrieve the status of a take/apply snapshot operation.
GetWithHttpMessagesAsync(Guid, Dictionary<String,List<String>>, CancellationToken)	Retrieve information about a snapshot. Snapshot is only accessible to the source subscription who took it, and target subscriptions included in the applyScope in Snapshot - Take.
ListWithHttpMessagesAsync(Nullable<SnapshotObjectType>, IList<Guid>, Dictionary<String,List<String>>, CancellationToken)	List all accessible snapshots with related information, including snapshots that were taken by the user, or snapshots to be applied to the user (subscription id was included in the applyScope in Snapshot - Take).
TakeWithHttpMessagesAsync(SnapshotObjectType, String, IList<Guid>, String, Dictionary<String,List<String>>, CancellationToken)	Submit an operation to take a snapshot of face list, large face list, person group or large person group, with user-specified snapshot type, source object id, apply scope and an optional user data.<br /> The snapshot interfaces are for users to backup and restore their face data from one face subscription to another, inside same region or across regions. The workflow contains two phases, user first calls Snapshot - Take to create a copy of the source object and store it as a snapshot, then calls Snapshot - Apply to paste the snapshot to target subscription. The snapshots are stored in a centralized location (per Azure instance), so that they can be applied cross accounts and regions.<br /> Taking snapshot is an asynchronous operation. An operation id can be obtained from the "Operation-Location" field in response header, to be used in OperationStatus - Get for tracking the progress of creating the snapshot. The snapshot id will be included in the "resourceLocation" field in OperationStatus - Get response when the operation status is "succeeded".<br /> Snapshot taking time depends on the number of person and face entries in the source object. It could be in seconds, or up to several hours for 1,000,000 persons with multiple faces.<br /> Snapshots will be automatically expired and cleaned in 48 hours after it is created by Snapshot - Take. User can delete the snapshot using Snapshot - Delete by themselves any time before expiration.<br /> Taking snapshot for a certain object will not block any other operations against the object. All read-only operations (Get/List and Identify/FindSimilar/Verify) can be conducted as usual. For all writable operations, including Add/Update/Delete the source object or its persons/faces and Train, they are not blocked but not recommended because writable updates may not be reflected on the snapshot during its taking. After snapshot taking is completed, all readable and writable operations can work as normal. Snapshot will also include the training results of the source object, which means target subscription the snapshot applied to does not need re-train the target object before calling Identify/FindSimilar.<br /> Free-tier subscription quota: 100 take operations per month. S0-tier subscription quota: 100 take operations per day.
UpdateWithHttpMessagesAsync(Guid, IList<Guid>, String, Dictionary<String,List<String>>, CancellationToken)	Update the information of a snapshot. Only the source subscription who took the snapshot can update the snapshot.

Extension Methods

ApplyAsync(ISnapshotOperations, Guid, String, SnapshotApplyMode, CancellationToken)	Submit an operation to apply a snapshot to current subscription. For each snapshot, only subscriptions included in the applyScope of Snapshot - Take can apply it.<br /> The snapshot interfaces are for users to backup and restore their face data from one face subscription to another, inside same region or across regions. The workflow contains two phases, user first calls Snapshot - Take to create a copy of the source object and store it as a snapshot, then calls Snapshot - Apply to paste the snapshot to target subscription. The snapshots are stored in a centralized location (per Azure instance), so that they can be applied cross accounts and regions.<br /> Applying snapshot is an asynchronous operation. An operation id can be obtained from the "Operation-Location" field in response header, to be used in OperationStatus - Get for tracking the progress of applying the snapshot. The target object id will be included in the "resourceLocation" field in OperationStatus - Get response when the operation status is "succeeded".<br /> Snapshot applying time depends on the number of person and face entries in the snapshot object. It could be in seconds, or up to 1 hour for 1,000,000 persons with multiple faces.<br /> Snapshots will be automatically expired and cleaned in 48 hours after it is created by Snapshot - Take. So the target subscription is required to apply the snapshot in 48 hours since its creation.<br /> Applying a snapshot will not block any other operations against the target object, however it is not recommended because the correctness cannot be guaranteed during snapshot applying. After snapshot applying is completed, all operations towards the target object can work as normal. Snapshot also includes the training results of the source object, which means target subscription the snapshot applied to does not need re-train the target object before calling Identify/FindSimilar.<br /> One snapshot can be applied multiple times in parallel, while currently only CreateNew apply mode is supported, which means the apply operation will fail if target subscription already contains an object of same type and using the same objectId. Users can specify the "objectId" in request body to avoid such conflicts.<br /> Free-tier subscription quota: 100 apply operations per month. S0-tier subscription quota: 100 apply operations per day.
DeleteAsync(ISnapshotOperations, Guid, CancellationToken)	Delete an existing snapshot according to the snapshotId. All object data and information in the snapshot will also be deleted. Only the source subscription who took the snapshot can delete the snapshot. If the user does not delete a snapshot with this API, the snapshot will still be automatically deleted in 48 hours after creation.
GetAsync(ISnapshotOperations, Guid, CancellationToken)	Retrieve information about a snapshot. Snapshot is only accessible to the source subscription who took it, and target subscriptions included in the applyScope in Snapshot - Take.
GetOperationStatusAsync(ISnapshotOperations, Guid, CancellationToken)	Retrieve the status of a take/apply snapshot operation.
ListAsync(ISnapshotOperations, Nullable<SnapshotObjectType>, IList<Guid>, CancellationToken)	List all accessible snapshots with related information, including snapshots that were taken by the user, or snapshots to be applied to the user (subscription id was included in the applyScope in Snapshot - Take).
TakeAsync(ISnapshotOperations, SnapshotObjectType, String, IList<Guid>, String, CancellationToken)	Submit an operation to take a snapshot of face list, large face list, person group or large person group, with user-specified snapshot type, source object id, apply scope and an optional user data.<br /> The snapshot interfaces are for users to backup and restore their face data from one face subscription to another, inside same region or across regions. The workflow contains two phases, user first calls Snapshot - Take to create a copy of the source object and store it as a snapshot, then calls Snapshot - Apply to paste the snapshot to target subscription. The snapshots are stored in a centralized location (per Azure instance), so that they can be applied cross accounts and regions.<br /> Taking snapshot is an asynchronous operation. An operation id can be obtained from the "Operation-Location" field in response header, to be used in OperationStatus - Get for tracking the progress of creating the snapshot. The snapshot id will be included in the "resourceLocation" field in OperationStatus - Get response when the operation status is "succeeded".<br /> Snapshot taking time depends on the number of person and face entries in the source object. It could be in seconds, or up to several hours for 1,000,000 persons with multiple faces.<br /> Snapshots will be automatically expired and cleaned in 48 hours after it is created by Snapshot - Take. User can delete the snapshot using Snapshot - Delete by themselves any time before expiration.<br /> Taking snapshot for a certain object will not block any other operations against the object. All read-only operations (Get/List and Identify/FindSimilar/Verify) can be conducted as usual. For all writable operations, including Add/Update/Delete the source object or its persons/faces and Train, they are not blocked but not recommended because writable updates may not be reflected on the snapshot during its taking. After snapshot taking is completed, all readable and writable operations can work as normal. Snapshot will also include the training results of the source object, which means target subscription the snapshot applied to does not need re-train the target object before calling Identify/FindSimilar.<br /> Free-tier subscription quota: 100 take operations per month. S0-tier subscription quota: 100 take operations per day.
UpdateAsync(ISnapshotOperations, Guid, IList<Guid>, String, CancellationToken)	Update the information of a snapshot. Only the source subscription who took the snapshot can update the snapshot.

Applies to

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