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Class NavigationInitializationNotificationHandler

Responsible for seeding the in-memory navigation structures at application's startup by rebuild the navigation structures.

Inheritance

object

Namespace: Umbraco.Cms.Core.Services.Navigation

Assembly: Umbraco.Core.dll

Syntax

public sealed class NavigationInitializationNotificationHandler : INotificationAsyncHandler<PostRuntimePremigrationsUpgradeNotification>, INotificationHandler

Remarks

This handler listens for the PostRuntimePremigrationsUpgradeNotification and triggers a rebuild of both document and media navigation structures, including their respective recycle bins.

Constructors

NavigationInitializationNotificationHandler(IRuntimeState, IDocumentNavigationManagementService, IMediaNavigationManagementService)

Initializes a new instance of the NavigationInitializationNotificationHandler class.

Declaration

public NavigationInitializationNotificationHandler(IRuntimeState runtimeState, IDocumentNavigationManagementService documentNavigationManagementService, IMediaNavigationManagementService mediaNavigationManagementService)

Parameters

Type	Name	Description
IRuntimeState	runtimeState	The runtime state service for checking the current runtime level.
IDocumentNavigationManagementService	documentNavigationManagementService	The document navigation management service.
IMediaNavigationManagementService	mediaNavigationManagementService	The media navigation management service.

Methods

HandleAsync(PostRuntimePremigrationsUpgradeNotification, CancellationToken)

Handles the PostRuntimePremigrationsUpgradeNotification by rebuilding the navigation structures for documents and media.

Declaration

public Task HandleAsync(PostRuntimePremigrationsUpgradeNotification notification, CancellationToken cancellationToken)

Parameters

Type	Name	Description
PostRuntimePremigrationsUpgradeNotification	notification	The notification instance.
CancellationToken	cancellationToken	A cancellation token to observe while waiting for the task to complete.

Returns

Type	Description
Task	A task representing the asynchronous operation.

Remarks

This method only executes when the runtime level is at or above Upgrade. It rebuilds both the main navigation structures and the recycle bin structures for documents and media.