DefaultQuestionDAO

java.lang.Object

com.ubs.backend.classes.database.dao.DAO<DefaultQuestion>

com.ubs.backend.classes.database.dao.questions.DefaultQuestionDAO

public class DefaultQuestionDAO extends DAO<DefaultQuestion>

DAO for com.ubs.backend.classes.database.dao.questions.DefaultQuestion

Since:: 17.07.2021
Author:: Sarah Ambi, Tim Irmler

Constructor Summary

Constructors

Constructor

Description

DefaultQuestionDAO()
Method Summary

Modifier and Type

Method

Description

Long

count(javax.persistence.EntityManager em)

List<DefaultQuestion>

selectRandom(int max)

List<DefaultQuestion>

selectRandom(int max, javax.persistence.EntityManager em)

select random questions

void

update(long id, String question)

Updates a defaultQuestion in the Database

Methods inherited from class com.ubs.backend.classes.database.dao.DAO
insert, insert, merge, remove, remove, remove, select, select, select, select

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- DefaultQuestionDAO
  
  public DefaultQuestionDAO()
Method Details
- selectRandom
  
  public List<DefaultQuestion> selectRandom(int max, javax.persistence.EntityManager em)
  
  select random questions
  
  Parameters:
  
  max - number of default questions you want
  
  em -
  
  Returns:
  
  the random questions in a arraylist
- selectRandom
  
  public List<DefaultQuestion> selectRandom(int max)
- count
  
  public Long count(javax.persistence.EntityManager em)
- update
  
  public void update(long id, String question)
  
  Updates a defaultQuestion in the Database
  
  Parameters:
  
  id - the id of the defaultquestion
  
  question - the new Content of the defaultquestion