private void SetPropertyOrField(Type propertyOrFieldType, object entity, Action <object> setIdentifier, string id)
{
if (propertyOrFieldType == typeof(string))
{
setIdentifier(id);
}
else // need converting
{
var converter =
conventions.IdentityTypeConvertors.FirstOrDefault(x => x.CanConvertFrom(propertyOrFieldType));
if (converter == null)
{
throw new ArgumentException("Could not convert identity to type " + propertyOrFieldType +
" because there is not matching type converter registered in the conventions' IdentityTypeConvertors");
}
setIdentifier(converter.ConvertTo(conventions.FindIdValuePartForValueTypeConversion(entity, id)));
}
}