/// <summary>
/// Choose the constructor to call for the given type.
/// </summary>
/// <param name="context">Current build context</param>
/// <param name="resolverPolicyDestination">The <see cref='IPolicyList'/> to add any
/// generated resolver objects into.</param>
/// <returns>The chosen constructor.</returns>
public SelectedConstructor SelectConstructor(IBuilderContext context, IPolicyList resolverPolicyDestination)
{
SelectedConstructor result;
var typeInfo = (context ?? throw new ArgumentNullException(nameof(context))).BuildKey
.Type
.GetTypeInfo();
var methodHasOpenGenericParameters = _ctor.GetParameters()
.Select(p => p.ParameterType.GetTypeInfo())
.Any(i => i.IsGenericType && i.ContainsGenericParameters);
var ctorTypeInfo = _ctor.DeclaringType.GetTypeInfo();
if (!methodHasOpenGenericParameters && !(ctorTypeInfo.IsGenericType && ctorTypeInfo.ContainsGenericParameters))
{
result = new SelectedConstructor(_ctor);
}
else
{
var closedCtorParameterTypes = _ctor.GetClosedParameterTypes(typeInfo.GenericTypeArguments);
var constructor = typeInfo.DeclaredConstructors
.Single(c => !c.IsStatic && c.GetParameters().ParametersMatch(closedCtorParameterTypes));
result = new SelectedConstructor(constructor);
}
foreach (var parameterValue in _parameterValues)
{
var resolver = parameterValue.GetResolverPolicy(context.BuildKey.Type);
result.AddParameterResolver(resolver);
}
return(result);
}
