@Test
public void testJPALockScope() {
doInJPA(
this::entityManagerFactory,
entityManager -> {
Person person = new Person("John Doe");
entityManager.persist(person);
Phone home = new Phone("123-456-7890");
Phone office = new Phone("098-765-4321");
person.getPhones().add(home);
person.getPhones().add(office);
entityManager.persist(person);
});
doInJPA(
this::entityManagerFactory,
entityManager -> {
log.info("testJPALockScope");
Long id = 1L;
// tag::locking-jpa-query-hints-scope-example[]
Person person =
entityManager.find(
Person.class,
id,
LockModeType.PESSIMISTIC_WRITE,
Collections.singletonMap(
"javax.persistence.lock.scope", PessimisticLockScope.EXTENDED));
// end::locking-jpa-query-hints-scope-example[]
assertEquals(2, person.getPhones().size());
});
}
@Test
public void testLifecycle() {
doInJPA(
this::entityManagerFactory,
entityManager -> {
Person person = new Person(1L);
entityManager.persist(person);
person.addPhone(new Phone(1L, "landline", "028-234-9876"));
person.addPhone(new Phone(2L, "mobile", "072-122-9876"));
});
doInJPA(
this::entityManagerFactory,
entityManager -> {
Person person = entityManager.find(Person.class, 1L);
Set<Phone> phones = person.getPhones();
Assert.assertEquals(2, phones.size());
phones.stream().forEach(phone -> log.infov("Phone number %s", phone.getNumber()));
person.removePhone(phones.iterator().next());
Assert.assertEquals(1, phones.size());
});
doInJPA(
this::entityManagerFactory,
entityManager -> {
Person person = entityManager.find(Person.class, 1L);
Set<Phone> phones = person.getPhones();
Assert.assertEquals(1, phones.size());
});
}
/**
* Tests to {@link EntityManager#find(Class, Object)} person.
*
* @since $version
* @author hceylan
*/
@Test
public void testFind() {
final Person person = this.person();
this.persist(person);
this.commit();
this.close();
final Person person2 = this.find(Person.class, person.getId());
Assert.assertEquals(person.getName(), person2.getName());
Assert.assertEquals(person.getPhones().size(), person2.getPhones().size());
}
public static List<String> getPhonesFromPersonName(String personName)
throws NotExistsPersonException {
Person person = getPersonFromIdentifier(personName);
List<Phone> phones = person.getPhones();
List<String> result = new ArrayList<String>();
for (Phone phone : phones) {
result.add(phone.getPhone());
}
return result;
}
@Test
public void testBuildLockRequest() {
doInJPA(
this::entityManagerFactory,
entityManager -> {
log.info("testBuildLockRequest");
Person person = new Person("John Doe");
Phone home = new Phone("123-456-7890");
Phone office = new Phone("098-765-4321");
person.getPhones().add(home);
person.getPhones().add(office);
entityManager.persist(person);
entityManager.flush();
});
doInJPA(
this::entityManagerFactory,
entityManager -> {
Long id = 1L;
// tag::locking-buildLockRequest-example[]
Person person = entityManager.find(Person.class, id);
Session session = entityManager.unwrap(Session.class);
session
.buildLockRequest(LockOptions.NONE)
.setLockMode(LockMode.PESSIMISTIC_READ)
.setTimeOut(LockOptions.NO_WAIT)
.lock(person);
// end::locking-buildLockRequest-example[]
});
doInJPA(
this::entityManagerFactory,
entityManager -> {
Long id = 1L;
// tag::locking-buildLockRequest-scope-example[]
Person person = entityManager.find(Person.class, id);
Session session = entityManager.unwrap(Session.class);
session
.buildLockRequest(LockOptions.NONE)
.setLockMode(LockMode.PESSIMISTIC_READ)
.setTimeOut(LockOptions.NO_WAIT)
.setScope(true)
.lock(person);
// end::locking-buildLockRequest-scope-example[]
});
}
@Test
public void testLifecycle() {
doInJPA(
this::entityManagerFactory,
entityManager -> {
Person person = new Person(1L);
entityManager.persist(person);
person.addPhone(new Phone(1L, "landline", "028-234-9876"));
person.addPhone(new Phone(2L, "mobile", "072-122-9876"));
entityManager.flush();
person.removePhone(person.getPhones().get(0));
});
doInJPA(
this::entityManagerFactory,
entityManager -> {
entityManager.find(Person.class, 1L).getPhones().size();
});
}
