private object CreateObject(Type type, ResolutionList resolutionPath, RegistrationKey keyToResolve)
{
var ctors = type.GetConstructors();
if (ctors.Length == 0)
{
ctors = type.GetConstructors(BindingFlags.NonPublic | BindingFlags.Instance);
}
Debug.Assert(ctors.Length > 0, "Class must have a constructor!");
int maxParamCount = ctors.Max(ctor => ctor.GetParameters().Length);
var maxParamCountCtors = ctors.Where(ctor => ctor.GetParameters().Length == maxParamCount).ToArray();
object obj;
if (maxParamCountCtors.Length == 1)
{
ConstructorInfo ctor = maxParamCountCtors[0];
if (resolutionPath.Contains(type))
{
throw new ObjectContainerException("Circular dependency found! " + type.FullName, resolutionPath);
}
var args = ResolveArguments(ctor.GetParameters(), keyToResolve, resolutionPath.AddToEnd(type));
obj = ctor.Invoke(args);
}
else
{
throw new ObjectContainerException("Multiple public constructors with same maximum parameter count are not supported! " + type.FullName, resolutionPath);
}
return(obj);
}
private object InvokeFactoryDelegate(Delegate factoryDelegate, ResolutionList resolutionPath, RegistrationKey keyToResolve)
{
if (resolutionPath.Contains(keyToResolve))
{
throw new ObjectContainerException("Circular dependency found! " + factoryDelegate.ToString(), resolutionPath.ToTypeList());
}
var args = ResolveArguments(factoryDelegate.Method.GetParameters(), keyToResolve, resolutionPath.AddToEnd(keyToResolve, null));
return(factoryDelegate.DynamicInvoke(args));
}
