/// <summary>
/// Selects the best constructor from the available constructors.
/// </summary>
/// <param name="constructorBindings">Available constructors.</param>
/// <returns>The best constructor.</returns>
public ConstructorParameterBinding SelectConstructorBinding(ConstructorParameterBinding[] constructorBindings)
{
if (constructorBindings == null) throw new ArgumentNullException("constructorBindings");
var result = constructorBindings
.Where(b => b.TargetConstructor.GetParameters().Select(p => p.ParameterType).SequenceEqual(_signature))
.ToArray();
if (result.Length == 1)
return result[0];
if (!constructorBindings.Any())
throw new ArgumentException("At least one binding must be provided in order to select a constructor.");
var targetTypeName = constructorBindings.First().TargetConstructor.DeclaringType.Name;
var signature = string.Join(", ", _signature.Select(t => t.Name).ToArray());
if (result.Length == 0)
throw new DependencyResolutionException(string.Format("The required constructor on type '{0}' with signature '{1}' is unavailable.", targetTypeName, signature));
throw new DependencyResolutionException(string.Format("More than one constructor matches the signature '{0}'.", signature));
}
/// <summary>
/// Selects the best constructor from the available constructors.
/// </summary>
/// <param name="constructorBindings">Available constructors.</param>
/// <returns>The best constructor.</returns>
public ConstructorParameterBinding SelectConstructorBinding(ConstructorParameterBinding[] constructorBindings)
{
if (constructorBindings == null) throw new ArgumentNullException("constructorBindings");
var result = constructorBindings
.Where(b => b.TargetConstructor.GetParameters().Select(p => p.ParameterType).SequenceEqual(_signature))
.ToArray();
if (result.Length == 1)
return result[0];
if (!constructorBindings.Any())
throw new ArgumentException(MatchingSignatureConstructorSelectorResources.AtLeastOneBindingRequired);
var targetTypeName = constructorBindings.First().TargetConstructor.DeclaringType.Name;
var signature = string.Join(", ", _signature.Select(t => t.Name).ToArray());
if (result.Length == 0)
throw new DependencyResolutionException(string.Format(MatchingSignatureConstructorSelectorResources.RequiredConstructorNotAvailable, targetTypeName, signature));
throw new DependencyResolutionException(string.Format(MatchingSignatureConstructorSelectorResources.TooManyConstructorsMatch, signature));
}
