private void ThrowIfNotOurs(DigitalSignalProvider provider)
{
if (!_providers.Contains(provider))
{
throw new ArgumentException("Specified Provider is not connected to this DigitalSignal.", nameof(provider));
}
}
private bool AreMultipleProvidersActive(DigitalSignalProvider changeProvider)
{
return(_providers
.Where(p => p.Level != DigitalLevel.Floating)
.Except(new[] { changeProvider })
.Any());
}
private void ThrowIfMultipleProvidersActive(DigitalSignalProvider changeProvider)
{
if (AreMultipleProvidersActive(changeProvider))
{
throw new DigitalSignalConflictException("Multiple DigitalSignalProviders are active on: " + Name);
}
}
internal void Attach(DigitalSignalProvider provider)
{
if (_providers.Contains(provider))
{
throw new ArgumentException(
"Specified Provider is already connected.", nameof(provider));
}
_providers.Add(provider);
}
internal void OnNewProviderValue(DigitalSignalProvider provider)
{
ThrowIfNotOurs(provider);
ThrowIfMultipleProvidersActive(provider);
if (Level != provider.Level)
{
_level = provider.Level;
NotifyOnChanged(provider);
}
}
internal void OnNewProviderValue(DigitalSignalProvider provider)
{
if (!_providers.Contains(provider))
{
throw new ArgumentException("Specified Provider is not connected to this DigitalSignal.", nameof(provider));
}
ThrowIfMultipleProvidersActive(provider);
if (Level != provider.Level)
{
_level = provider.Level;
NotifyOnChanged(provider);
}
}
private void NotifyOnChanged(DigitalSignalProvider provider)
{
OnChanged?.Invoke(this, new DigitalLevelChangedEventArgs(provider, Level));
}
public DigitalLevelChangedEventArgs(DigitalSignalProvider provider, DigitalLevel level)
{
Provider = provider;
Level = level;
}