public List<MetaData> getMetaData(String blankId) {
List<QuestionEntity> questionEntities = questionDao.findWithoutGroup(blankId);
ArrayList<MetaData> metaDatas = new ArrayList<>();
for (QuestionEntity questionEntity : questionEntities) {
ArrayList<Choice> choices = new ArrayList<>();
for (ChoiceEntity choiceEntity : questionEntity.getChoices())
choices.add(
new Choice(choiceEntity.getId(), choiceEntity.getCode(), choiceEntity.getText()));
metaDatas.add(
new MetaData(
questionEntity.getId(),
questionEntity.getCode(),
questionEntity.getText(),
questionEntity.getType(),
questionEntity.getFormat(),
choices));
}
return metaDatas;
}