| commit | author | age | ||
| aaf094 | 1 | package com.redhat.training.services; |
| RS | 2 | |
| 3 | import java.time.LocalDateTime; | |
| 4 | import java.time.format.DateTimeFormatter; | |
| 5 | import java.util.List; | |
| 6 | ||
| 7 | import javax.ejb.EJBException; | |
| 8 | import javax.ejb.Stateless; | |
| 9 | import javax.persistence.EntityManager; | |
| 10 | import javax.persistence.PersistenceContext; | |
| 11 | import javax.persistence.TypedQuery; | |
| 12 | ||
| 13 | import com.redhat.training.model.Person; | |
| 14 | ||
| 15 | @Stateless | |
| 16 | ||
| 17 | public class PersonService { | |
| 18 | //TODO: obtain an EntityManager instance using @PersistenceContext | |
| 19 | @PersistenceContext(unitName="hello") | |
| 20 | private EntityManager entityManager; | |
| 21 | ||
| 22 | // Simple non-RESTy method for JSF bean invocation | |
| 23 | public String hello(String name) { | |
| 24 | try { | |
| 25 | // let's grab the current date and time on the server | |
| 26 | LocalDateTime today = LocalDateTime.now(); | |
| 27 | ||
| 28 | // format it nicely for on-screen display | |
| 29 | DateTimeFormatter format = DateTimeFormatter.ofPattern("MMM dd yyyy hh:mm:ss a"); | |
| 30 | String fdate = today.format(format); | |
| 31 | ||
| 32 | // Create a new Person object and persist to database | |
| 33 | Person p = new Person(); | |
| 34 | p.setName(name); | |
| 35 | // call persist() method of entity manager to save the data | |
| 36 | entityManager.persist(p); | |
| 37 | ||
| 38 | // respond back with Hello and convert the name to UPPERCASE. Also, send the | |
| 39 | // current time on the server. | |
| 40 | return "Hello " + name.toUpperCase() + "!. " + "Time on the server is: " + fdate; | |
| 41 | } catch (Exception e) { | |
| 42 | throw new EJBException(e); | |
| 43 | } | |
| 44 | } | |
| 45 | ||
| 46 | // TODO:add public String getPerson(Long id) method here to fetch result | |
| 47 | //by Person id using find() method | |
| 48 | ||
| 49 | public String getPerson(Long id) { | |
| 50 | ||
| 51 | return entityManager.find(Person.class, id).getPersonName(); | |
| 52 | } | |
| 53 | ||
| 54 | // Get all Person objects in the Database | |
| 55 | public List<Person> getAllPersons() { | |
| 56 | TypedQuery<Person> query = entityManager.createQuery("SELECT p FROM Person p", Person.class); | |
| 57 | List<Person> persons = query.getResultList(); | |
| 58 | ||
| 59 | return persons; | |
| 60 | } | |
| 61 | ||
| 62 | } | |
