@classmethod
def serialize_field(cls, value, field_type):
    """
        Serialise a particular field value

        :param value: The value to serialise
        :param field_type: The field type
        :return: The serialised value
        """
    if field_type is None:
        return value
    serializer_method = getattr(cls, '_serialize_{}'.format(field_type))
    return serializer_method(value)
