internal SingleFieldAccessor(PropertyInfo property, FieldDescriptor descriptor) : base(property, descriptor)
{
if (!property.CanWrite)
{
throw new ArgumentException("Not all required properties/methods available");
}
setValueDelegate = ReflectionUtil.CreateActionObjectObject(property.GetSetMethod());
var clrType = property.PropertyType;
// TODO: What should clear on a oneof member do? Clear the oneof?
// TODO: Validate that this is a reasonable single field? (Should be a value type, a message type, or string/ByteString.)
object defaultValue =
typeof(IMessage).IsAssignableFrom(clrType) ? null
: clrType == typeof(string) ? ""
: clrType == typeof(ByteString) ? ByteString.Empty
: Activator.CreateInstance(clrType);
clearDelegate = message => SetValue(message, defaultValue);
}
