/**
* This method is used by the updatePerson method to sync a person before updating it on the
* database. When updating only specific fields, other fields will be set to null, this method
* makes sure that the old values of the attributes that will not be updated remain in the
* database.
*
* @param oldPerson The person that was retrieved from the database. It contains the old
* information of a person.
* @param updatedPerson The person containing only the attributes that will be updated.
* @return A person with updated information but also keeping its old attributes
*/
public static Person syncPerson(Person oldPerson, Person updatedPerson) {
updatedPerson.setPersonId(oldPerson.getPersonId());
updatedPerson.setMeasures(
oldPerson.getMeasures()); // Prevent Measures to be lost when updating a person
if (updatedPerson.getFirstname() == null) updatedPerson.setFirstname(oldPerson.getFirstname());
if (updatedPerson.getLastname() == null) updatedPerson.setLastname(oldPerson.getLastname());
if (updatedPerson.getBirthdate() == null) updatedPerson.setBirthdate(oldPerson.getBirthdate());
return updatedPerson;
}
/**
* Update person
*
* @param p
* @return
*/
public Person updatePerson(Person p) {
// Call setters
if (p.birthdate != null) {
this.setBirthdate(p.birthdate);
}
if (p.email != null) {
this.setEmail(p.email);
}
if (p.firstname != null) {
this.setFirstname(p.getFirstname());
}
if (p.lastname != null) {
this.setLastname(p.getLastname());
}
EntityManager em = LifeStyleDao.instance.createEntityManager();
EntityTransaction tx = em.getTransaction();
tx.begin();
p = em.merge(this);
tx.commit();
LifeStyleDao.instance.closeConnections(em);
return p;
}
