/// <summary>
/// Determines whether this type is registered.
/// </summary>
/// <typeparam name="T">Type</typeparam>
/// <returns>
/// <c>true</c> if this type is registered; otherwise, <c>false</c>.
/// </returns>
public bool IsRegistered <T>()
{
lock (Registrations)
{
return(Registrations.Find(r => r.RegisteredType == typeof(T) && r.Name == null) != null);
}
}
public async Task RemoveRegistration(Event @event, Participant participant)
{
Registration registration =
Registrations.Find(x => x.EventId == @event.Id && x.UserName == participant.UserName);
bool ok = await _registrationPersistence.Delete(registration.Id);
if (ok)
{
Registrations.Remove(registration);
RegistrationDictionary[@event].Remove(participant);
}
else
{
throw new BaseException("Remove regi fail");
}
}