Examples with JpaCriteriaQuery org.hibernate.query.criteria.JpaCriteriaQuery used on opensource projects

Example 11 with JpaCriteriaQuery

use of org.hibernate.query.criteria.JpaCriteriaQuery 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);
}

Example 12 with JpaCriteriaQuery

use of org.hibernate.query.criteria.JpaCriteriaQuery in project hibernate-orm by hibernate.

the class AbstractQueryCacheResultTransformerTest method testEntityWithJoinedLazyOneToManySingleElementList.

@Test
public void testEntityWithJoinedLazyOneToManySingleElementList(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 criteria = (JpaCriteriaQuery) builder.createQuery(Object[].class);
            Root<Student> root = criteria.from(Student.class);
            root.join("enrolments", JoinType.LEFT);
            criteria.multiselect(root, root.get("enrolments"));
            criteria.orderBy(builder.asc(root.get("studentNumber")));
            return criteria;
        }
    };
    HqlExecutor hqlExecutorUnaliased = new HqlExecutor() {

        @Override
        public Query getQuery(Session s) {
            return s.createQuery("select s, s.enrolments from Student s left join s.enrolments order by s.studentNumber");
        }
    };
    HqlExecutor hqlExecutorAliased = new HqlExecutor() {

        @Override
        public Query getQuery(Session s) {
            return s.createQuery("select s, e from Student s left join s.enrolments e order by s.studentNumber");
        }
    };
    ResultChecker checker = results -> {
        List resultList = (List) results;
        assertEquals(2, resultList.size());
        assertTrue(resultList.get(0) instanceof Object[]);
        Object[] yogiObjects = (Object[]) resultList.get(0);
        assertEquals(yogiExpected, yogiObjects[0]);
        assertEquals(yogiEnrolmentExpected, yogiObjects[1]);
        assertTrue(resultList.get(0) instanceof Object[]);
        Object[] shermanObjects = (Object[]) resultList.get(1);
        assertEquals(shermanExpected, shermanObjects[0]);
        assertEquals(shermanEnrolmentExpected, shermanObjects[1]);
    };
    runTest(hqlExecutorUnaliased, criteriaExecutorUnaliased, checker, false, scope);
    runTest(hqlExecutorAliased, null, checker, false, scope);
}

Example 13 with JpaCriteriaQuery

use of org.hibernate.query.criteria.JpaCriteriaQuery in project hibernate-orm by hibernate.

the class AbstractQueryCacheResultTransformerTest method testEntityWithJoinedLazyManyToOneList.

@Test
public void testEntityWithJoinedLazyManyToOneList(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 criteria = (JpaCriteriaQuery) builder.createQuery(Object[].class);
            Root<Student> root = criteria.from(Student.class);
            Join<Object, Object> preferredCourse = root.join("preferredCourse", JoinType.LEFT);
            criteria.multiselect(root, preferredCourse);
            criteria.orderBy(builder.asc(root.get("studentNumber")));
            return criteria;
        }
    };
    HqlExecutor hqlExecutorAliased = new HqlExecutor() {

        @Override
        protected Query getQuery(Session s) {
            return s.createQuery("select s, p from Student s left join s.preferredCourse p order by s.studentNumber");
        }
    };
    ResultChecker checker = results -> {
        List resultList = (List) results;
        assertEquals(2, resultList.size());
        Object[] yogiObjects = (Object[]) resultList.get(0);
        assertEquals(yogiExpected, yogiObjects[0]);
        assertEquals(yogiExpected.getPreferredCourse(), yogiObjects[1]);
        Object[] shermanObjects = (Object[]) resultList.get(1);
        assertEquals(shermanExpected, shermanObjects[0]);
        assertNull(shermanObjects[1]);
    };
    runTest(hqlExecutorAliased, criteriaExecutor, checker, false, scope);
}

Example 14 with JpaCriteriaQuery

use of org.hibernate.query.criteria.JpaCriteriaQuery in project hibernate-orm by hibernate.

the class AbstractQueryCacheResultTransformerTest method testMultiSelectNewMapUsingAliasesList.

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

        @Override
        protected JpaCriteriaQuery getCriteria(Session s) {
            CriteriaBuilder builder = s.getCriteriaBuilder();
            JpaCriteriaQuery criteria = (JpaCriteriaQuery) builder.createQuery();
            Root<Student> root = criteria.from(Student.class);
            criteria.multiselect(root.get("studentNumber").alias("sNumber"), root.get("name").alias("sName"));
            criteria.orderBy(builder.asc(root.get("studentNumber")));
            return criteria;
        // return s.createCriteria( Student.class, "s" )
        // .setProjection(
        // Projections.projectionList()
        // .add( Property.forName( "s.studentNumber" ).as( "sNumber" ) )
        // .add( Property.forName( "s.name" ).as( "sName" ) )
        // )
        // .addOrder( Order.asc( "s.studentNumber" ) )
        // .setResultTransformer( Transformers.ALIAS_TO_ENTITY_MAP );
        }
    };
    HqlExecutor hqlExecutor = new HqlExecutor() {

        @Override
        public Query getQuery(Session s) {
            return s.createQuery("select new map(s.studentNumber as sNumber, s.name as sName) from Student s order by s.studentNumber");
        }
    };
    ResultChecker checker = results -> {
        List resultList = (List) results;
        assertEquals(2, resultList.size());
        Map yogiMap = (Map) resultList.get(0);
        assertEquals(yogiExpected.getStudentNumber(), yogiMap.get("sNumber"));
        assertEquals(yogiExpected.getName(), yogiMap.get("sName"));
        Map shermanMap = (Map) resultList.get(1);
        assertEquals(shermanExpected.getStudentNumber(), shermanMap.get("sNumber"));
        assertEquals(shermanExpected.getName(), shermanMap.get("sName"));
    };
    runTest(hqlExecutor, criteriaExecutor, checker, false, scope);
}

Example 15 with JpaCriteriaQuery

use of org.hibernate.query.criteria.JpaCriteriaQuery in project hibernate-orm by hibernate.

the class AbstractQueryCacheResultTransformerTest method testMultiAggregatedPropProjectionSingleResult.

@Test
public void testMultiAggregatedPropProjectionSingleResult(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 criteria = (JpaCriteriaQuery) builder.createQuery(Object[].class);
            Root<Enrolment> root = criteria.from(Enrolment.class);
            criteria.multiselect(builder.min(root.get("studentNumber")), builder.max(root.get("studentNumber")));
            return criteria;
        // return s.createCriteria( Enrolment.class )
        // .setProjection(
        // Projections.projectionList()
        // .add( Projections.min( "studentNumber" ).as( "minStudentNumber" ) )
        // .add( Projections.max( "studentNumber" ).as( "maxStudentNumber" ) )
        // );
        }
    };
    HqlExecutor hqlExecutor = new HqlExecutor() {

        @Override
        public Query getQuery(Session s) {
            return s.createQuery("select min( e.studentNumber ) as minStudentNumber, max( e.studentNumber ) as maxStudentNumber from Enrolment e");
        }
    };
    ResultChecker checker = results -> {
        assertTrue(results instanceof Object[]);
        Object[] resultObjects = (Object[]) results;
        assertEquals(yogiExpected.getStudentNumber(), resultObjects[0]);
        assertEquals(shermanExpected.getStudentNumber(), resultObjects[1]);
    };
    runTest(hqlExecutor, criteriaExecutor, checker, true, scope);
}