/// <summary>
/// Gets the number of parameters that the system recognizes
/// </summary>
/// <param name="Constructor">Constructor to check</param>
/// <param name="MappingManager">Mapping manager</param>
/// <returns>The number of parameters that it has knoweledge of</returns>
private static int GetParameterCount(ConstructorInfo Constructor, MappingManager MappingManager)
{
int Count = 0;
ParameterInfo[] Parameters = Constructor.GetParameters();
foreach (ParameterInfo Parameter in Parameters)
{
bool Inject = true;
object[] Attributes = Parameter.GetCustomAttributes(false);
if (Attributes.Length > 0)
{
foreach (Attribute Attribute in Attributes)
{
if (MappingManager.GetMapping(Parameter.ParameterType, Attribute.GetType()) != null)
{
++Count;
Inject = false;
break;
}
}
}
if (Inject)
{
if (MappingManager.GetMapping(Parameter.ParameterType) != null)
++Count;
}
}
if (Count == Parameters.Length)
return Count;
return int.MinValue;
}
/// <summary>
/// Chooses a constructor
/// </summary>
/// <param name="ImplementationType">Type of the class</param>
/// <param name="MappingManager">Mapping manager</param>
/// <returns>The most appropriate constructor</returns>
public static ConstructorInfo ChooseConstructor(Type ImplementationType, MappingManager MappingManager)
{
ConstructorInfo[] Constructors = ImplementationType.GetConstructors();
int MaxValue = int.MinValue;
ConstructorInfo CurrentConstructor = null;
foreach (ConstructorInfo Constructor in Constructors)
{
int Count = GetParameterCount(Constructor, MappingManager);
if (Count > MaxValue)
{
CurrentConstructor = Constructor;
MaxValue = Count;
}
}
return CurrentConstructor;
}