@Test
@RunOrder(9)
public void queryLikeFieldTest() {
EntityManager em = emf.createEntityManager();
try {
// ============= Query construction ============== //
JpaQueryStream<Person> stream =
JpaQueryProvider.select(em, Person.class)
.where()
.equal(Person::getPersonalNo, Person::getAddrress)
.and()
.like(Person::getLastName, GeneralInfo::getFullName, Person::getEscape)
.and()
.startsWith(Person::getLastName, "lname");
String sql = stream.sql();
System.out.println(sql);
Person person = stream.firstOrDefault(new Person());
// =============================================//
System.out.println();
System.out.println("-------Entity----");
System.out.println(person);
} finally {
em.close();
}
}
@Test
@RunOrder(10)
public void queryMaxTest() {
EntityManager em = emf.createEntityManager();
try {
// ============= Query construction ============== //
JpaQueryStream<Long> stream =
JpaQueryProvider.select(em, Person.class)
.where()
.equal(Person::getPersonalNo, Person::getAddrress)
.and()
.like(Person::getLastName, "lname%", 'e')
.and()
.startsWith(Person::getLastName, "lname")
.max(Person::getPersonId);
String sql = stream.sql();
System.out.println(sql);
Long max = stream.firstOrDefault(Long.valueOf(0));
// =============================================//
System.out.println();
System.out.println("-------Entity----");
System.out.println(max);
} finally {
em.close();
}
}
@Test
@RunOrder(5)
public void deleteByEntityTest() {
getForUpfate();
EntityManager em = emf.createEntityManager();
EntityTransaction transaction = em.getTransaction();
try {
transaction.begin();
// ============= Query construction ============== //
JpaQueryStream<Person> stream =
JpaQueryProvider.delete(em, Person.class)
.where()
.equal(Person::getPersonalNo, PERSONAL_NO2)
.and()
.like(Person::getLastName, "lname%")
.and()
.startsWith(Person::getFirstName, "fname");
int rows = stream.execute();
// =============================================//
transaction.commit();
System.out.println();
System.out.println("-------Entity----");
System.out.println();
System.out.format("deleted %s rows\n", rows);
Assert.assertEquals("No expected row number was updated", rows, 1);
} catch (Throwable ex) {
rollback(transaction);
} finally {
em.close();
}
}
private void getForUpfate() {
EntityManager em = emf.createEntityManager();
EntityTransaction transaction = em.getTransaction();
try {
JpaQueryStream<Person> stream =
JpaQueryProvider.select(em, Person.class)
.where()
.equal(Person::getPersonalNo, PERSONAL_NO2)
.and()
.like(Person::getLastName, "lname%")
.and()
.startsWith(Person::getFirstName, "fname");
Person person = stream.getFirst();
transaction.begin();
if (person == null) {
Person newPerson = QueryTest.initPerson();
em.persist(newPerson);
person = newPerson;
}
transaction.commit();
} catch (Throwable ex) {
rollback(transaction);
} finally {
em.close();
}
}
@Test
@RunOrder(2.31)
public void toListBySelectStringTest() {
EntityManager em = emf.createEntityManager();
try {
Date date = getDateValue();
// ============= Query construction ============== //
JpaQueryStream<Object[]> stream =
JpaQueryProvider.select(em, Person.class)
.where()
.equal(Person::getPersonalNo, PERSONAL_NO1)
.and()
.like(Person::getLastName, "lname%")
.and()
.brackets(
s ->
s.startsWith(Person::getFirstName, "fname")
.or()
.ge(Person::getBirthDate, date))
.and()
.in(Person::getPersonId, Arrays.asList(IDENTIFIERS))
.select("select c.personalNo, c.firstName, c.lastName");
System.out.println(stream.sql());
List<Object[]> persons = stream.toList();
// =============================================//
System.out.println();
System.out.println("-------Entity----");
System.out.println();
persons.forEach(c -> System.out.println(Arrays.toString(c)));
} finally {
em.close();
}
}
@Test
@RunOrder(1)
public void supplierEntityTest() {
EntityManager em = emf.createEntityManager();
try {
System.out.println();
System.out.println("==========Entity============");
JpaQueryStream<Person> stream = createQueryStream(em);
System.out.println("===========JPA-QL==========");
System.out.println();
System.out.println(stream.sql());
System.out.println("===========Entity==========");
System.out.println();
} finally {
em.close();
}
}
@Test
@RunOrder(2.36)
public void toListBySelectConsumerTypedTest() {
EntityManager em = emf.createEntityManager();
try {
Date date = getDateValue();
// ============= Query construction ============== //
JpaQueryStream<PersonWrapper> stream =
JpaQueryProvider.select(em, Person.class)
.where()
.equal(Person::getPersonalNo, PERSONAL_NO1)
.and()
.like(Person::getLastName, "lname%")
.and()
.brackets(
s ->
s.startsWith(Person::getFirstName, "fname")
.or()
.ge(Person::getBirthDate, date))
.and()
.in(Person::getPersonId, Arrays.asList(IDENTIFIERS))
.selectType(
PersonWrapper.class,
s ->
s.column(Person::getPersonalNo)
.column(Person::getLastName)
.column(Person::getFirstName));
System.out.println(stream.sql());
List<PersonWrapper> persons = stream.toList();
// =============================================//
System.out.println();
System.out.println("-------Entity----");
System.out.println();
persons.forEach(System.out::println);
} finally {
em.close();
}
}
@Test
@RunOrder(2.32)
public void toListBySelectWrapperTest() {
EntityManager em = emf.createEntityManager();
try {
Date date = getDateValue();
// ============= Query construction ============== //
JpaQueryStream<PersonWrapper> stream =
JpaQueryProvider.select(em, Person.class)
.where()
.equal(Person::getPersonalNo, PERSONAL_NO1)
.and()
.like(Person::getLastName, "lname%")
.and()
.brackets(
s ->
s.startsWith(Person::getFirstName, "fname")
.or()
.ge(Person::getBirthDate, date))
.and()
.in(Person::getPersonId, Arrays.asList(IDENTIFIERS))
.select(
"select new org.lightmare.criteria.entities.PersonWrapper(c.personalNo, c.lastName, c.firstName)",
PersonWrapper.class);
System.out.println(stream.sql());
List<PersonWrapper> persons = stream.toList();
// =============================================//
System.out.println();
System.out.println("-------Entity----");
System.out.println();
persons.forEach(System.out::println);
} catch (Throwable ex) {
ex.printStackTrace();
} finally {
em.close();
}
}
@Test
@RunOrder(7)
public void selfQueryTest() {
EntityManager em = emf.createEntityManager();
try {
// ============= Query construction ============== //
JpaQueryStream<Person> stream =
JpaQueryProvider.select(em, Person.class)
.where()
.equal(Person::getPersonalNo, Person::getAddrress)
.equal(Person::getFullName, "fullName")
.like(Person::getFirstName, Person::getFullName)
.and()
.startsWith(Person::getLastName, "lname");
// =============================================//
System.out.println();
System.out.println("-------Entity----");
System.out.println();
System.out.println(stream.sql());
} finally {
em.close();
}
}