def __validate_position_in_text(self, start: int, end: int):
"""Validate the start and end position match the text length."""
if self.text_len < start or end > self.text_len:
err_msg = (f"Invalid analyzer result, start: {start} and end: "
f"{end}, while text length is only {self.text_len}.")
raise InvalidParamException(err_msg)
def __validate_text_not_empty(self, text: str):
if not text:
self.logger.debug("invalid input, json is missing text field")
raise InvalidParamException("Invalid input, text can not be empty")