public virtual bool IsContentUpdateAppliable(IContentUpdate <ContentType> update)
{
var args = new ContentUpdatingEventArgs <ContentType>(update);
OnContainerUpdating(args);
return(!args.Handled);
}
public virtual async Task ApplyContentUpdateByAsync(IContentUpdate <ContentType> update)
{
BeginWork();
await Task.Yield();
try {
await update.ContentTask;
if (IsContentUpdateAppliable(update))
{
await UpdateContentByAsync(update);
var args = new ContentUpdatedEventArgs <ContentType>(update);
OnContainerUpdated(args);
//return true;
}
} finally {
EndWork();
}
//return false;
}
public ContentUpdatedEventArgs(IContentUpdate <ContentType> update) => Update = update;
protected override async Task UpdateContentByAsync(IContentUpdate <DeviceHeaderEntity> update)
{
Header = await update.ContentTask;
var stateUpdate = update.CreateUpdateFromContent(_ => Header.State, this);
await StateContainer.ApplyContentUpdateByAsync(stateUpdate);
}
protected override async Task UpdateContentByAsync(IContentUpdate <DeviceBodyEntity> update)
{
var updateContent = await update.ContentTask ?? typeof(DeviceBodyEntity).InstantiateUninitializedObject <DeviceBodyEntity>();
Body = updateContent;
}
public static ContentUpdate <DeepContentType> CreateUpdateFromContent <ContentType, DeepContentType>(this IContentUpdate <ContentType> update, Func <ITask <ContentType>, DeepContentType> getDeepContent, object?updateCreationSource) => new ContentUpdate <DeepContentType>(getDeepContent(update.ContentTask), update.OriginalUpdateCreationSource, updateCreationSource);
protected override Task UpdateContentByAsync(IContentUpdate <DeviceHeaderViewModel> update) => throw new NotImplementedException();
protected override async Task UpdateContentByAsync(IContentUpdate <DeviceHeaderStateEntity> update)
{
State = await update.ContentTask;
}
protected virtual Task UpdateContentByAsync(IContentUpdate <ContentType> update) => Task.CompletedTask;
