public SourceResolverDescriptor(Type sourceType, FieldMember field)
{
SourceType = sourceType
?? throw new ArgumentNullException(nameof(sourceType));
Field = field
?? throw new ArgumentNullException(nameof(field));
if (field.Member is MethodInfo m)
{
Arguments = FieldResolverDiscoverer
.DiscoverArguments(m, sourceType);
IsAsync = typeof(Task).IsAssignableFrom(m.ReturnType);
IsMethod = true;
}
else
{
Arguments = Array.Empty <ArgumentDescriptor>();
}
}
public DirectiveMiddlewareDescriptor(
DirectiveMethodMiddleware directiveMethodMiddleware)
{
if (directiveMethodMiddleware == null)
{
throw new ArgumentNullException(
nameof(directiveMethodMiddleware));
}
DirectiveName = directiveMethodMiddleware.DirectiveName;
Type = directiveMethodMiddleware.Type;
Method = directiveMethodMiddleware.Method;
Arguments = FieldResolverDiscoverer
.DiscoverArguments(Method);
IsAsync = typeof(Task).IsAssignableFrom(Method.ReturnType);
HasResult = Method.ReturnType != typeof(void) &&
Method.ReturnType != typeof(Task);
}