public override Task AddToGroupAsync(string connectionId, string groupName, CancellationToken cancellationToken = default)
{
if (IsInvalidArgument(connectionId))
{
throw new ArgumentException(NullOrEmptyStringErrorMessage, nameof(connectionId));
}
if (IsInvalidArgument(groupName))
{
throw new ArgumentException(NullOrEmptyStringErrorMessage, nameof(groupName));
}
var message = new JoinGroupWithAckMessage(connectionId, groupName);
return(ServiceConnectionContainer.WriteAckableMessageAsync(message, cancellationToken));
}
protected Task WriteAckableMessageAsync <T>(T message) where T : ServiceMessage, IMessageWithTracingId => WriteCoreAsync(message, m => ServiceConnectionContainer.WriteAckableMessageAsync(m));