Examples with Root jakarta.persistence.criteria.Root used on opensource projects

Example 16 with Root

use of jakarta.persistence.criteria.Root in project hibernate-orm by hibernate.

the class AbstractQueryCacheResultTransformerTest method testAliasToEntityMapNoProjectionNullAndNonNullAliasList.

@Test
public void testAliasToEntityMapNoProjectionNullAndNonNullAliasList(SessionFactoryScope scope) throws Exception {
    CriteriaExecutor criteriaExecutor = new CriteriaExecutor() {

        @Override
        protected JpaCriteriaQuery getCriteria(Session s) {
            final CriteriaBuilder builder = s.getSessionFactory().getCriteriaBuilder();
            final JpaCriteriaQuery<Student> criteria = (JpaCriteriaQuery<Student>) builder.createQuery(Student.class);
            final Root<Student> studentRoot = criteria.from(Student.class);
            studentRoot.alias("s");
            studentRoot.join("addresses", JoinType.LEFT).alias("a");
            studentRoot.join("preferredCourse", JoinType.INNER);
            criteria.orderBy(builder.asc(studentRoot.get("studentNumber")));
            return criteria;
        // return s.createCriteria( Student.class, "s" )
        // .createAlias( "s.addresses", "a", CriteriaSpecification.LEFT_JOIN )
        // .setResultTransformer( CriteriaSpecification.ALIAS_TO_ENTITY_MAP )
        // .createCriteria( "s.preferredCourse", CriteriaSpecification.INNER_JOIN )
        // .addOrder( Order.asc( "s.studentNumber") );
        }
    };
    HqlExecutor hqlExecutor = new HqlExecutor() {

        @Override
        public Query getQuery(Session s) {
            return s.createQuery("from Student s left join s.addresses a left join s.preferredCourse order by s.studentNumber").setResultTransformer(Transformers.ALIAS_TO_ENTITY_MAP);
        }
    };
    ResultChecker checker = results -> {
        List resultList = (List) results;
        assertEquals(2, resultList.size());
        Map yogiMap1 = (Map) resultList.get(0);
        assertEquals(2, yogiMap1.size());
        Map yogiMap2 = (Map) resultList.get(1);
        assertEquals(2, yogiMap2.size());
        assertEquals(yogiExpected, yogiMap1.get("s"));
        Address yogiAddress1 = (Address) yogiMap1.get("a");
        assertEquals(yogiExpected.getAddresses().get(yogiAddress1.getAddressType()), yogiMap1.get("a"));
        assertEquals(yogiExpected, yogiMap2.get("s"));
        Address yogiAddress2 = (Address) yogiMap2.get("a");
        assertEquals(yogiExpected.getAddresses().get(yogiAddress2.getAddressType()), yogiMap2.get("a"));
        assertSame(yogiMap1.get("s"), yogiMap2.get("s"));
        assertNotEquals(yogiAddress1.getAddressType(), yogiAddress2.getAddressType());
    };
    runTest(hqlExecutor, criteriaExecutor, checker, false, scope);
}

Example 17 with Root

use of jakarta.persistence.criteria.Root in project hibernate-orm by hibernate.

the class AbstractQueryCacheResultTransformerTest method testAliasToEntityMapMultiProjectionWithNullAliasList.

@Test
public void testAliasToEntityMapMultiProjectionWithNullAliasList(SessionFactoryScope scope) throws Exception {
    CriteriaExecutor criteriaExecutor = new CriteriaExecutor() {

        @Override
        protected JpaCriteriaQuery getCriteria(Session s) {
            CriteriaBuilder builder = s.getCriteriaBuilder();
            JpaCriteriaQuery criteria = (JpaCriteriaQuery) builder.createQuery();
            final JpaRoot<Enrolment> root = criteria.from(Enrolment.class);
            criteria.multiselect(root.get("student").alias("student"), root.get("semester"), root.get("year"), root.get("course").alias("course"));
            criteria.orderBy(builder.asc(root.get("studentNumber")));
            return criteria;
        // return s.createCriteria( Enrolment.class, "e" )
        // .setProjection(
        // Projections.projectionList()
        // .add( Property.forName( "e.student" ), "student" )
        // .add( Property.forName( "e.semester" ) )
        // .add( Property.forName( "e.year" ) )
        // .add( Property.forName( "e.course" ), "course" )
        // )
        // .addOrder( Order.asc( "e.studentNumber") )
        // .setResultTransformer( Transformers.ALIAS_TO_ENTITY_MAP );
        }
    };
    HqlExecutor hqlExecutor = new HqlExecutor() {

        @Override
        public Query getQuery(Session s) {
            return s.createQuery("select e.student as student, e.semester, e.year, e.course as course from Enrolment e order by e.studentNumber").setResultTransformer(Transformers.ALIAS_TO_ENTITY_MAP);
        }
    };
    ResultChecker checker = results -> {
        List resultList = (List) results;
        assertEquals(2, resultList.size());
        Map yogiMap = (Map) resultList.get(0);
        Map shermanMap = (Map) resultList.get(1);
        // TODO: following are initialized for hql and uninitialied for criteria; why?
        // assertFalse( Hibernate.isInitialized( yogiMap.get( "student" ) ) );
        // assertFalse( Hibernate.isInitialized( shermanMap.get( "student" ) ) );
        assertTrue(yogiMap.get("student") instanceof Student);
        assertEquals(yogiExpected.getStudentNumber(), ((Student) yogiMap.get("student")).getStudentNumber());
        assertEquals(shermanExpected.getStudentNumber(), ((Student) shermanMap.get("student")).getStudentNumber());
        assertNull(yogiMap.get("semester"));
        assertNull(yogiMap.get("year"));
        assertEquals(courseExpected, yogiMap.get("course"));
        assertNull(shermanMap.get("semester"));
        assertNull(shermanMap.get("year"));
        assertEquals(courseExpected, shermanMap.get("course"));
    };
    runTest(hqlExecutor, criteriaExecutor, checker, false, scope);
}

Example 18 with Root

use of jakarta.persistence.criteria.Root in project hibernate-orm by hibernate.

the class AbstractQueryCacheResultTransformerTest method testEntityWithLazyAsList.

@Test
public void testEntityWithLazyAsList(SessionFactoryScope scope) throws Exception {
    CriteriaExecutor criteriaExecutor = new CriteriaExecutor() {

        @Override
        protected ResultTransformer getResultTransformer() {
            return null;
        }

        @Override
        protected JpaCriteriaQuery getCriteria(Session s) {
            CriteriaBuilder builder = s.getCriteriaBuilder();
            JpaCriteriaQuery<Student> criteria = (JpaCriteriaQuery<Student>) builder.createQuery(Student.class);
            JpaRoot<Student> root = criteria.from(Student.class);
            criteria.orderBy(builder.asc(root.get("studentNumber")));
            return criteria;
        // return s.createCriteria( Student.class )
        // .addOrder( Order.asc( "studentNumber" ) );
        }
    };
    ResultChecker checker = results -> {
        List resultList = (List) results;
        assertEquals(2, resultList.size());
        assertEquals(yogiExpected, resultList.get(0));
        assertEquals(shermanExpected, resultList.get(1));
        assertNotNull(((Student) resultList.get(0)).getEnrolments());
        assertNotNull(((Student) resultList.get(0)).getPreferredCourse());
        assertNotNull(((Student) resultList.get(1)).getEnrolments());
        assertNull(((Student) resultList.get(1)).getPreferredCourse());
        assertFalse(Hibernate.isInitialized(((Student) resultList.get(0)).getEnrolments()));
        assertFalse(Hibernate.isInitialized(((Student) resultList.get(0)).getPreferredCourse()));
        assertFalse(Hibernate.isInitialized(((Student) resultList.get(1)).getEnrolments()));
        assertNull(((Student) resultList.get(1)).getPreferredCourse());
    };
    runTest(null, criteriaExecutor, checker, false, scope);
}

Example 19 with Root

use of jakarta.persistence.criteria.Root in project hibernate-orm by hibernate.

the class AbstractQueryCacheResultTransformerTest method testOneNonEntityProjectionUnique.

@Test
public void testOneNonEntityProjectionUnique(SessionFactoryScope scope) throws Exception {
    CriteriaExecutor criteriaExecutor = new CriteriaExecutor() {

        @Override
        protected ResultTransformer getResultTransformer() {
            return null;
        }

        @Override
        protected JpaCriteriaQuery getCriteria(Session s) {
            // should use PassThroughTransformer by default
            CriteriaBuilder builder = s.getCriteriaBuilder();
            JpaCriteriaQuery criteria = (JpaCriteriaQuery) builder.createQuery();
            Root<Enrolment> root = criteria.from(Enrolment.class);
            criteria.select(root.get("semester"));
            criteria.where(builder.equal(root.get("studentNumber"), shermanEnrolmentExpected.getStudentNumber()));
            return criteria;
        // return s.createCriteria( Enrolment.class, "e" )
        // .setProjection( Projections.property( "e.semester" ) )
        // .add( Restrictions.eq( "e.studentNumber", shermanEnrolmentExpected.getStudentNumber() ) );
        }
    };
    HqlExecutor hqlExecutor = new HqlExecutor() {

        @Override
        public Query getQuery(Session s) {
            return s.createQuery("select e.semester from Enrolment e where e.studentNumber = :studentNumber").setParameter("studentNumber", shermanEnrolmentExpected.getStudentNumber());
        }
    };
    ResultChecker checker = results -> {
        assertTrue(results instanceof Short);
        assertEquals(shermanEnrolmentExpected.getSemester(), results);
    };
    runTest(hqlExecutor, criteriaExecutor, checker, true, scope);
}

Example 20 with Root

use of jakarta.persistence.criteria.Root in project hibernate-orm by hibernate.

the class AbstractQueryCacheResultTransformerTest method testEntityWithSelectFetchedLazyOneToManySingleElementListCriteria.

@Test
public void testEntityWithSelectFetchedLazyOneToManySingleElementListCriteria(SessionFactoryScope scope) throws Exception {
    CriteriaExecutor criteriaExecutorUnaliased = new CriteriaExecutor() {

        @Override
        protected ResultTransformer getResultTransformer() {
            return null;
        }

        @Override
        protected JpaCriteriaQuery getCriteria(Session s) {
            CriteriaBuilder builder = s.getCriteriaBuilder();
            JpaCriteriaQuery<Student> criteria = (JpaCriteriaQuery<Student>) builder.createQuery(Student.class);
            JpaRoot<Student> root = criteria.from(Student.class);
            root.join("enrolments");
            criteria.orderBy(builder.asc(root.get("studentNumber")));
            return criteria;
        // return s.createCriteria( Student.class, "s" )
        // .setFetchMode( "enrolments", FetchMode.SELECT )
        // .addOrder( Order.asc( "s.studentNumber" ) );
        }
    };
    ResultChecker checker = results -> {
        List resultList = (List) results;
        assertEquals(2, resultList.size());
        assertEquals(yogiExpected, resultList.get(0));
        assertEquals(shermanExpected, resultList.get(1));
        assertNotNull(((Student) resultList.get(0)).getEnrolments());
        assertFalse(Hibernate.isInitialized(((Student) resultList.get(0)).getEnrolments()));
        assertNotNull(((Student) resultList.get(1)).getEnrolments());
        assertFalse(Hibernate.isInitialized(((Student) resultList.get(1)).getEnrolments()));
    };
    runTest(null, criteriaExecutorUnaliased, checker, false, scope);
}