DefaultFirstConstructorBehavior

DefaultFirstConstructorBehavior.cs

public class DefaultFirstConstructorBehavior : IConstructorResolutionBehavior
{
    private readonly IConstructorResolutionBehavior fallbackBehavior;

    public DefaultFirstConstructorBehavior(Container container)
    {
        this.fallbackBehavior = container.Options.ConstructorResolutionBehavior;
    }

    public ConstructorInfo GetConstructor(Type serviceType, Type implementationType)
    {
        ConstructorInfo[] constructors = implementationType.GetConstructors();

        return (from constructor in constructors orderby constructor.GetParameters().Length select constructor).FirstOrDefault() ??
                this.fallbackBehavior.GetConstructor(serviceType, implementationType);
    }
}