package fi.otavanopisto.muikku.dao.users;
import javax.persistence.EntityManager;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import fi.otavanopisto.muikku.model.users.SystemRoleEntity_;
import fi.otavanopisto.muikku.dao.CoreDAO;
import fi.otavanopisto.muikku.model.users.SystemRoleEntity;
import fi.otavanopisto.muikku.model.users.SystemRoleType;
public class SystemRoleEntityDAO extends CoreDAO<SystemRoleEntity> {
private static final long serialVersionUID = 7781839501190084061L;
public SystemRoleEntity create(String name, SystemRoleType roleType) {
SystemRoleEntity systemRoleEntity = new SystemRoleEntity();
systemRoleEntity.setName(name);
systemRoleEntity.setRoleType(roleType);
return persist(systemRoleEntity);
}
public SystemRoleEntity findByRoleType(SystemRoleType roleType) {
EntityManager entityManager = getEntityManager();
CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
CriteriaQuery<SystemRoleEntity> criteria = criteriaBuilder.createQuery(SystemRoleEntity.class);
Root<SystemRoleEntity> root = criteria.from(SystemRoleEntity.class);
criteria.select(root);
criteria.where(
criteriaBuilder.equal(root.get(SystemRoleEntity_.roleType), roleType)
);
return getSingleResult(entityManager.createQuery(criteria));
}
}