package dao.entities; import java.util.List; import java.util.UUID; import javax.persistence.TypedQuery; import dao.JpaDao; import entities.Project; public class ProjectDaoImpl extends JpaDao implements ProjectDao { public Project loadDetails(Project t) { // TODO Auto-generated method stub return null; } @Override public List listAllIDs() { String queryString = "SELECT project.id FROM Project project"; TypedQuery typedQuery = entityManager.createQuery(queryString, UUID.class); return typedQuery.getResultList(); } }