/// <summary>
/// Initialize a new instance of the <see cref="ParameterDescriptor"/> class.
/// </summary>
/// <param name="methodDescriptor">The parent <see cref="MethodDescriptor"/>.</param>
/// <param name="parameterInfo">The <see cref="ParameterInfo"/> to wrap.</param>
internal ParameterDescriptor(MethodDescriptor methodDescriptor, ParameterInfo parameterInfo)
: base(parameterInfo.ParameterType, parameterInfo.Name)
{
if (parameterInfo.IsOutParam())
{
var memberInfo = parameterInfo.Member;
var declaringType = memberInfo.DeclaringType;
throw new ArgumentException(string.Format("Cannot apply rules to an 'out' parameter. Type = '{0}'. Method = '{1}'. Parameter = '{2}'", declaringType.ToUserFriendlyString(), memberInfo.Name, parameterInfo.Name), "parameterInfo");
}
Position = parameterInfo.Position;
Method = methodDescriptor;
AddRulesForParameterInfo(parameterInfo);
}
/// <summary>
/// Get a <see cref="MethodDescriptor"/> for a <see cref="RuntimeTypeHandle"/>.
/// </summary>
/// <param name="runtimeMethodHandle">The <see cref="RuntimeTypeHandle"/> for which to get the <see cref="MethodDescriptor"/>.</param>
/// <returns>A <see cref="MethodDescriptor"/> corresponding to <paramref name="runtimeMethodHandle"/>.</returns>
public static MethodDescriptor GetMethod(RuntimeMethodHandle runtimeMethodHandle)
{
MethodDescriptor methodDescriptor;
var success = methodCache.TryGetValue(runtimeMethodHandle, out methodDescriptor);
if (!success)
{
lock (methodCacheDictionaryLock)
{
if (!methodCache.TryGetValue(runtimeMethodHandle, out methodDescriptor))
{
methodDescriptor = new MethodDescriptor(runtimeMethodHandle);
methodCache.Add(runtimeMethodHandle, methodDescriptor);
}
}
}
return methodDescriptor;
}
