public static Task DeleteAsync(this CloudTable tbl, TableRequestOptions opt, OperationContext ctx, CancellationToken token)
{
ICancellableAsyncResult result = null;
if (opt == null && ctx == null)
{
result = tbl.BeginDelete(null, null);
}
else
{
result = tbl.BeginDelete(opt, ctx, null, null);
}
var cancellationRegistration = token.Register(result.Cancel);
return(Task.Factory.FromAsync(result, ar =>
{
cancellationRegistration.Dispose();
try
{
tbl.EndDelete(ar);
}
catch (StorageException se)
{
// Todo: Use the PnP azure retry block here for transient exceptions
throw;
}
}));
}
/// <summary>
/// Deletes a table asynchronously.
/// </summary>
/// <param name="cloudTable">Cloud table.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Task.</returns>
public static Task DeleteAsync(
this CloudTable cloudTable,
CancellationToken cancellationToken = default(CancellationToken))
{
ICancellableAsyncResult asyncResult = cloudTable.BeginDelete(null, null);
CancellationTokenRegistration registration = cancellationToken.Register(p => asyncResult.Cancel(), null);
return(Task.Factory.FromAsync(
asyncResult,
result =>
{
registration.Dispose();
cloudTable.EndDelete(result);
}));
}
public void EndDelete(IAsyncResult asyncResult)
{
_cloudTable.EndDelete(asyncResult);
}