public static Tuple <MethodInfo, XRoadServiceAttribute> FindMethodDeclaration(this MethodInfo method, string operationName, IDictionary <MethodInfo, IDictionary <string, XRoadServiceAttribute> > serviceContracts)
{
if (method.DeclaringType == null)
{
return(null);
}
var methodContracts = method.DeclaringType
.GetTypeInfo()
.GetInterfaces()
.Select(iface => method.DeclaringType.GetTypeInfo().GetRuntimeInterfaceMap(iface))
.Where(map => map.TargetMethods.Contains(method))
.Select(map => map.InterfaceMethods[Array.IndexOf(map.TargetMethods, method)])
.ToList();
if (methodContracts.Count > 1)
{
throw XRoadException.AmbiguousMatch(operationName);
}
var methodContract = methodContracts.SingleOrDefault();
if (methodContract == null || !serviceContracts.TryGetValue(methodContract, out var serviceContract))
{
throw XRoadException.UndefinedContract(operationName);
}
if (!serviceContract.TryGetValue(operationName, out var serviceAttribute))
{
throw XRoadException.UndefinedContract(operationName);
}
return(Tuple.Create(methodContract, serviceAttribute));
}
