/// <summary>
/// Finds an existing out-pin already present an wired to the given member (field or property).
/// If no such out-pin exists, a new one is created.
/// </summary>
/// <param name="member">The member.</param>
/// <returns>A newly created or already existing out-pin</returns>
private IOutPin GetOutPin(string member)
{
// See if the outpin pinning the given member already exists. If not create one.
IOutPin outPin = _outPinList.Find(p => p.Member == member);
if (outPin == null)
{
outPin = PinFactory.CreateOutPin(this, member);
_outPinList.Add(outPin);
}
return(outPin);
}
/// <summary>
/// Create a new in-pin for the given member (field or property). If the member is already exposed by an in-pin
/// an exception is thrown because a member cannot be governed by two in-pins. If a non-null target type is specified,
/// the member will be connected to the pin using <see cref="ConvertingFieldAccessor{TPin,TObj}"/> or
/// <see cref="ConvertingPropertyAccessor{TPin,TObj}"/>.
/// </summary>
/// <param name="member">The member.</param>
/// <param name="targetType">Type of the target.</param>
/// <returns></returns>
/// <exception cref="System.Exception">A member is already connected as InPin.</exception>
internal IInPin GetInPin(string member, Type targetType)
{
// See if the inpin already exists. If so, throw - because a property
// can be inpinnned only once.
IInPin inPin = _inPinList.Find(p => p.Member == member);
if (inPin != null)
{
// TODO: throw an appropriate exception
throw new Exception("Member " + member + " already connected as InPin!");
}
inPin = PinFactory.CreateInPin(this, member, targetType);
_inPinList.Add(inPin);
_inPinActualList[inPin] = false;
inPin.ReceivedValue += OnReceivedValue;
return(inPin);
}
