@classmethod
def get_field_handler_from_alias(cls, alias):
    """
        Given an alias, e.g. 'host', 'name',
        this function returns the handler.FieldHandler.

        @type name: str
        @param name: e.g. 'address', or 'name'
        """
    selector = cls.get_selector_from_alias(alias)
    field = cls.get_field_from_selector(selector)[1]
    return cls.get_field_handler_from_field(field)
