CriteriaQueryTestpublic class CriteriaQueryTest extends org.hibernate.junit.functional.FunctionalTestCase
| Constructors Summary |
|---|
public CriteriaQueryTest(String str)
super(str);
|
| Methods Summary |
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| public void | configure(org.hibernate.cfg.Configuration cfg)
super.configure( cfg );
cfg.setProperty( Environment.USE_QUERY_CACHE, "true" );
cfg.setProperty( Environment.CACHE_REGION_PREFIX, "criteriaquerytest" );
cfg.setProperty( Environment.USE_SECOND_LEVEL_CACHE, "true" );
cfg.setProperty( Environment.GENERATE_STATISTICS, "true" );
| | public java.lang.String[] | getMappings()
return new String[] { "criteria/Enrolment.hbm.xml", "hql/Animal.hbm.xml" };
| | public static junit.framework.Test | suite()
return new FunctionalTestClassTestSuite( CriteriaQueryTest.class );
| | public void | testClassProperty()
Session s = openSession();
Transaction t = s.beginTransaction();
// HQL: from Animal a where a.mother.class = Reptile
Criteria c = s.createCriteria(Animal.class,"a")
.createAlias("mother","m")
.add( Property.forName("m.class").eq(Reptile.class) );
c.list();
t.rollback();
s.close();
| | public void | testDetachedCriteria()
DetachedCriteria dc = DetachedCriteria.forClass(Student.class)
.add( Property.forName("name").eq("Gavin King") )
.addOrder( Order.asc("studentNumber") )
.setProjection( Property.forName("studentNumber") );
byte[] bytes = SerializationHelper.serialize(dc);
dc = (DetachedCriteria) SerializationHelper.deserialize(bytes);
Session session = openSession();
Transaction t = session.beginTransaction();
Student gavin = new Student();
gavin.setName("Gavin King");
gavin.setStudentNumber(232);
Student bizarroGavin = new Student();
bizarroGavin.setName("Gavin King");
bizarroGavin.setStudentNumber(666);
session.persist(bizarroGavin);
session.persist(gavin);
List result = dc.getExecutableCriteria(session)
.setMaxResults(3)
.list();
assertEquals( result.size(), 2 );
assertEquals( result.get(0), new Long(232) );
assertEquals( result.get(1), new Long(666) );
session.delete(gavin);
session.delete(bizarroGavin);
t.commit();
session.close();
| | public void | testEscapeCharacter()
Session session = openSession();
Transaction t = session.beginTransaction();
Course c1 = new Course();
c1.setCourseCode( "course-1" );
c1.setDescription( "%1" );
Course c2 = new Course();
c2.setCourseCode( "course-2" );
c2.setDescription( "%2" );
Course c3 = new Course();
c3.setCourseCode( "course-3" );
c3.setDescription( "control" );
session.persist( c1 );
session.persist( c2 );
session.persist( c3 );
session.flush();
session.clear();
// finds all courses which have a description equal to '%1'
Course example = new Course();
example.setDescription( "&%1" );
List result = session.createCriteria( Course.class )
.add( Example.create( example ).ignoreCase().enableLike().setEscapeCharacter( new Character( '&" ) ) )
.list();
assertEquals( 1, result.size() );
// finds all courses which contain '%' as the first char in the description
example.setDescription( "&%%" );
result = session.createCriteria( Course.class )
.add( Example.create( example ).ignoreCase().enableLike().setEscapeCharacter( new Character( '&" ) ) )
.list();
assertEquals( 2, result.size() );
session.createQuery( "delete Course" ).executeUpdate();
t.commit();
session.close();
| | public void | testProjectedId()
Session s = openSession();
Transaction t = s.beginTransaction();
s.createCriteria(Course.class).setProjection( Projections.property("courseCode") ).list();
s.createCriteria(Course.class).setProjection( Projections.id() ).list();
t.rollback();
s.close();
| | public void | testProjectionCache()
Session s = openSession();
Transaction t = s.beginTransaction();
Course course = new Course();
course.setCourseCode("HIB");
course.setDescription("Hibernate Training");
s.save(course);
Student gavin = new Student();
gavin.setName("Gavin King");
gavin.setStudentNumber(666);
s.save(gavin);
Student xam = new Student();
xam.setName("Max Rydahl Andersen");
xam.setStudentNumber(101);
s.save(xam);
Enrolment enrolment1 = new Enrolment();
enrolment1.setCourse(course);
enrolment1.setCourseCode(course.getCourseCode());
enrolment1.setSemester((short) 1);
enrolment1.setYear((short) 1999);
enrolment1.setStudent(xam);
enrolment1.setStudentNumber(xam.getStudentNumber());
xam.getEnrolments().add(enrolment1);
s.save(enrolment1);
Enrolment enrolment2 = new Enrolment();
enrolment2.setCourse(course);
enrolment2.setCourseCode(course.getCourseCode());
enrolment2.setSemester((short) 3);
enrolment2.setYear((short) 1998);
enrolment2.setStudent(gavin);
enrolment2.setStudentNumber(gavin.getStudentNumber());
gavin.getEnrolments().add(enrolment2);
s.save(enrolment2);
List list = s.createCriteria(Enrolment.class)
.createAlias("student", "s")
.createAlias("course", "c")
.add( Restrictions.isNotEmpty("s.enrolments") )
.setProjection( Projections.projectionList()
.add( Projections.property("s.name") )
.add( Projections.property("c.description") )
)
.setCacheable(true)
.list();
assertEquals( list.size(), 2 );
assertEquals( ( (Object[]) list.get(0) ).length, 2 );
assertEquals( ( (Object[]) list.get(1) ).length, 2 );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
s.createCriteria(Enrolment.class)
.createAlias("student", "s")
.createAlias("course", "c")
.add( Restrictions.isNotEmpty("s.enrolments") )
.setProjection( Projections.projectionList()
.add( Projections.property("s.name") )
.add( Projections.property("c.description") )
)
.setCacheable(true)
.list();
assertEquals( list.size(), 2 );
assertEquals( ( (Object[]) list.get(0) ).length, 2 );
assertEquals( ( (Object[]) list.get(1) ).length, 2 );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
s.createCriteria(Enrolment.class)
.createAlias("student", "s")
.createAlias("course", "c")
.add( Restrictions.isNotEmpty("s.enrolments") )
.setProjection( Projections.projectionList()
.add( Projections.property("s.name") )
.add( Projections.property("c.description") )
)
.setCacheable(true)
.list();
assertEquals( list.size(), 2 );
assertEquals( ( (Object[]) list.get(0) ).length, 2 );
assertEquals( ( (Object[]) list.get(1) ).length, 2 );
s.delete(enrolment1);
s.delete(enrolment2);
s.delete(course);
s.delete(gavin);
s.delete(xam);
t.commit();
s.close();
| | public void | testProjections()
Session s = openSession();
Transaction t = s.beginTransaction();
Course course = new Course();
course.setCourseCode("HIB");
course.setDescription("Hibernate Training");
s.save(course);
Student gavin = new Student();
gavin.setName("Gavin King");
gavin.setStudentNumber(667);
s.save(gavin);
Student xam = new Student();
xam.setName("Max Rydahl Andersen");
xam.setStudentNumber(101);
s.save(xam);
Enrolment enrolment = new Enrolment();
enrolment.setCourse(course);
enrolment.setCourseCode(course.getCourseCode());
enrolment.setSemester((short) 1);
enrolment.setYear((short) 1999);
enrolment.setStudent(xam);
enrolment.setStudentNumber(xam.getStudentNumber());
xam.getEnrolments().add(enrolment);
s.save(enrolment);
enrolment = new Enrolment();
enrolment.setCourse(course);
enrolment.setCourseCode(course.getCourseCode());
enrolment.setSemester((short) 3);
enrolment.setYear((short) 1998);
enrolment.setStudent(gavin);
enrolment.setStudentNumber(gavin.getStudentNumber());
gavin.getEnrolments().add(enrolment);
s.save(enrolment);
//s.flush();
Integer count = (Integer) s.createCriteria(Enrolment.class)
.setProjection( Projections.count("studentNumber").setDistinct() )
.uniqueResult();
assertEquals(count, new Integer(2));
Object object = s.createCriteria(Enrolment.class)
.setProjection( Projections.projectionList()
.add( Projections.count("studentNumber") )
.add( Projections.max("studentNumber") )
.add( Projections.min("studentNumber") )
.add( Projections.avg("studentNumber") )
)
.uniqueResult();
Object[] result = (Object[])object;
assertEquals(new Integer(2),result[0]);
assertEquals(new Long(667),result[1]);
assertEquals(new Long(101),result[2]);
assertEquals( 384.0, ( (Double) result[3] ).doubleValue(), 0.01 );
List resultWithMaps = s.createCriteria(Enrolment.class)
.setProjection( Projections.distinct( Projections.projectionList()
.add( Projections.property("studentNumber"), "stNumber" )
.add( Projections.property("courseCode"), "cCode" ) )
)
.add( Expression.gt( "studentNumber", new Long(665) ) )
.add( Expression.lt( "studentNumber", new Long(668) ) )
.addOrder( Order.asc("stNumber") )
.setResultTransformer(Criteria.ALIAS_TO_ENTITY_MAP)
.list();
assertEquals(1, resultWithMaps.size());
Map m1 = (Map) resultWithMaps.get(0);
assertEquals(new Long(667), m1.get("stNumber"));
assertEquals(course.getCourseCode(), m1.get("cCode"));
resultWithMaps = s.createCriteria(Enrolment.class)
.setProjection( Projections.property("studentNumber").as("stNumber") )
.addOrder( Order.desc("stNumber") )
.setResultTransformer(Criteria.ALIAS_TO_ENTITY_MAP)
.list();
assertEquals(2, resultWithMaps.size());
Map m0 = (Map) resultWithMaps.get(0);
m1 = (Map) resultWithMaps.get(1);
assertEquals(new Long(101), m1.get("stNumber"));
assertEquals(new Long(667), m0.get("stNumber"));
List resultWithAliasedBean = s.createCriteria(Enrolment.class)
.createAlias("student", "st")
.createAlias("course", "co")
.setProjection( Projections.projectionList()
.add( Projections.property("st.name"), "studentName" )
.add( Projections.property("co.description"), "courseDescription" )
)
.addOrder( Order.desc("studentName") )
.setResultTransformer( Transformers.aliasToBean(StudentDTO.class) )
.list();
assertEquals(2, resultWithAliasedBean.size());
StudentDTO dto = (StudentDTO) resultWithAliasedBean.get(0);
assertNotNull(dto.getDescription());
assertNotNull(dto.getName());
s.createCriteria(Student.class)
.add( Restrictions.like("name", "Gavin", MatchMode.START) )
.addOrder( Order.asc("name") )
.createCriteria("enrolments", "e")
.addOrder( Order.desc("year") )
.addOrder( Order.desc("semester") )
.createCriteria("course","c")
.addOrder( Order.asc("description") )
.setProjection( Projections.projectionList()
.add( Projections.property("this.name") )
.add( Projections.property("e.year") )
.add( Projections.property("e.semester") )
.add( Projections.property("c.courseCode") )
.add( Projections.property("c.description") )
)
.uniqueResult();
Projection p1 = Projections.projectionList()
.add( Projections.count("studentNumber") )
.add( Projections.max("studentNumber") )
.add( Projections.rowCount() );
Projection p2 = Projections.projectionList()
.add( Projections.min("studentNumber") )
.add( Projections.avg("studentNumber") )
.add( Projections.sqlProjection(
"1 as constOne, count(*) as countStar",
new String[] { "constOne", "countStar" },
new Type[] { Hibernate.INTEGER, Hibernate.INTEGER }
) );
Object[] array = (Object[]) s.createCriteria(Enrolment.class)
.setProjection( Projections.projectionList().add(p1).add(p2) )
.uniqueResult();
assertEquals( array.length, 7 );
List list = s.createCriteria(Enrolment.class)
.createAlias("student", "st")
.createAlias("course", "co")
.setProjection( Projections.projectionList()
.add( Projections.groupProperty("co.courseCode") )
.add( Projections.count("st.studentNumber").setDistinct() )
.add( Projections.groupProperty("year") )
)
.list();
assertEquals( list.size(), 2 );
Object g = s.createCriteria(Student.class)
.add( Restrictions.idEq( new Long(667) ) )
.setFetchMode("enrolments", FetchMode.JOIN)
//.setFetchMode("enrolments.course", FetchMode.JOIN) //TODO: would love to make that work...
.uniqueResult();
assertSame(g, gavin);
s.delete(gavin);
s.delete(xam);
s.delete(course);
t.commit();
s.close();
| | public void | testProjectionsUsingProperty()
Session s = openSession();
Transaction t = s.beginTransaction();
Course course = new Course();
course.setCourseCode("HIB");
course.setDescription("Hibernate Training");
s.save(course);
Student gavin = new Student();
gavin.setName("Gavin King");
gavin.setStudentNumber(667);
s.save(gavin);
Student xam = new Student();
xam.setName("Max Rydahl Andersen");
xam.setStudentNumber(101);
s.save(xam);
Enrolment enrolment = new Enrolment();
enrolment.setCourse(course);
enrolment.setCourseCode(course.getCourseCode());
enrolment.setSemester((short) 1);
enrolment.setYear((short) 1999);
enrolment.setStudent(xam);
enrolment.setStudentNumber(xam.getStudentNumber());
xam.getEnrolments().add(enrolment);
s.save(enrolment);
enrolment = new Enrolment();
enrolment.setCourse(course);
enrolment.setCourseCode(course.getCourseCode());
enrolment.setSemester((short) 3);
enrolment.setYear((short) 1998);
enrolment.setStudent(gavin);
enrolment.setStudentNumber(gavin.getStudentNumber());
gavin.getEnrolments().add(enrolment);
s.save(enrolment);
s.flush();
Integer count = (Integer) s.createCriteria(Enrolment.class)
.setProjection( Property.forName("studentNumber").count().setDistinct() )
.uniqueResult();
assertEquals(count, new Integer(2));
Object object = s.createCriteria(Enrolment.class)
.setProjection( Projections.projectionList()
.add( Property.forName("studentNumber").count() )
.add( Property.forName("studentNumber").max() )
.add( Property.forName("studentNumber").min() )
.add( Property.forName("studentNumber").avg() )
)
.uniqueResult();
Object[] result = (Object[])object;
assertEquals(new Integer(2),result[0]);
assertEquals(new Long(667),result[1]);
assertEquals(new Long(101),result[2]);
assertEquals(384.0, ( (Double) result[3] ).doubleValue(), 0.01);
s.createCriteria(Enrolment.class)
.add( Property.forName("studentNumber").gt( new Long(665) ) )
.add( Property.forName("studentNumber").lt( new Long(668) ) )
.add( Property.forName("courseCode").like("HIB", MatchMode.START) )
.add( Property.forName("year").eq( new Short( (short) 1999 ) ) )
.addOrder( Property.forName("studentNumber").asc() )
.uniqueResult();
List resultWithMaps = s.createCriteria(Enrolment.class)
.setProjection( Projections.projectionList()
.add( Property.forName("studentNumber").as("stNumber") )
.add( Property.forName("courseCode").as("cCode") )
)
.add( Property.forName("studentNumber").gt( new Long(665) ) )
.add( Property.forName("studentNumber").lt( new Long(668) ) )
.addOrder( Property.forName("studentNumber").asc() )
.setResultTransformer(Criteria.ALIAS_TO_ENTITY_MAP)
.list();
assertEquals(1, resultWithMaps.size());
Map m1 = (Map) resultWithMaps.get(0);
assertEquals(new Long(667), m1.get("stNumber"));
assertEquals(course.getCourseCode(), m1.get("cCode"));
resultWithMaps = s.createCriteria(Enrolment.class)
.setProjection( Property.forName("studentNumber").as("stNumber") )
.addOrder( Order.desc("stNumber") )
.setResultTransformer(Criteria.ALIAS_TO_ENTITY_MAP)
.list();
assertEquals(2, resultWithMaps.size());
Map m0 = (Map) resultWithMaps.get(0);
m1 = (Map) resultWithMaps.get(1);
assertEquals(new Long(101), m1.get("stNumber"));
assertEquals(new Long(667), m0.get("stNumber"));
List resultWithAliasedBean = s.createCriteria(Enrolment.class)
.createAlias("student", "st")
.createAlias("course", "co")
.setProjection( Projections.projectionList()
.add( Property.forName("st.name").as("studentName") )
.add( Property.forName("co.description").as("courseDescription") )
)
.addOrder( Order.desc("studentName") )
.setResultTransformer( Transformers.aliasToBean(StudentDTO.class) )
.list();
assertEquals(2, resultWithAliasedBean.size());
StudentDTO dto = (StudentDTO) resultWithAliasedBean.get(0);
assertNotNull(dto.getDescription());
assertNotNull(dto.getName());
s.createCriteria(Student.class)
.add( Restrictions.like("name", "Gavin", MatchMode.START) )
.addOrder( Order.asc("name") )
.createCriteria("enrolments", "e")
.addOrder( Order.desc("year") )
.addOrder( Order.desc("semester") )
.createCriteria("course","c")
.addOrder( Order.asc("description") )
.setProjection( Projections.projectionList()
.add( Property.forName("this.name") )
.add( Property.forName("e.year") )
.add( Property.forName("e.semester") )
.add( Property.forName("c.courseCode") )
.add( Property.forName("c.description") )
)
.uniqueResult();
Projection p1 = Projections.projectionList()
.add( Property.forName("studentNumber").count() )
.add( Property.forName("studentNumber").max() )
.add( Projections.rowCount() );
Projection p2 = Projections.projectionList()
.add( Property.forName("studentNumber").min() )
.add( Property.forName("studentNumber").avg() )
.add( Projections.sqlProjection(
"1 as constOne, count(*) as countStar",
new String[] { "constOne", "countStar" },
new Type[] { Hibernate.INTEGER, Hibernate.INTEGER }
) );
Object[] array = (Object[]) s.createCriteria(Enrolment.class)
.setProjection( Projections.projectionList().add(p1).add(p2) )
.uniqueResult();
assertEquals( array.length, 7 );
List list = s.createCriteria(Enrolment.class)
.createAlias("student", "st")
.createAlias("course", "co")
.setProjection( Projections.projectionList()
.add( Property.forName("co.courseCode").group() )
.add( Property.forName("st.studentNumber").count().setDistinct() )
.add( Property.forName("year").group() )
)
.list();
assertEquals( list.size(), 2 );
s.delete(gavin);
s.delete(xam);
s.delete(course);
t.commit();
s.close();
| | public void | testRestrictionOnSubclassCollection()
Session s = openSession();
Transaction t = s.beginTransaction();
s.createCriteria( Reptile.class )
.add( Restrictions.isEmpty( "offspring" ) )
.list();
s.createCriteria( Reptile.class )
.add( Restrictions.isNotEmpty( "offspring" ) )
.list();
t.rollback();
s.close();
| | public void | testScrollCriteria()
Session session = openSession();
Transaction t = session.beginTransaction();
Course course = new Course();
course.setCourseCode("HIB");
course.setDescription("Hibernate Training");
session.persist(course);
session.flush();
session.clear();
ScrollableResults sr = session.createCriteria(Course.class).scroll();
assertTrue( sr.next() );
course = (Course) sr.get(0);
assertNotNull(course);
sr.close();
session.delete(course);
t.commit();
session.close();
| | public void | testSubcriteriaJoinTypes()
Session session = openSession();
Transaction t = session.beginTransaction();
Course courseA = new Course();
courseA.setCourseCode("HIB-A");
courseA.setDescription("Hibernate Training A");
session.persist(courseA);
Course courseB = new Course();
courseB.setCourseCode("HIB-B");
courseB.setDescription("Hibernate Training B");
session.persist(courseB);
Student gavin = new Student();
gavin.setName("Gavin King");
gavin.setStudentNumber(232);
gavin.setPreferredCourse(courseA);
session.persist(gavin);
Student leonardo = new Student();
leonardo.setName("Leonardo Quijano");
leonardo.setStudentNumber(233);
leonardo.setPreferredCourse(courseB);
session.persist(leonardo);
Student johnDoe = new Student();
johnDoe.setName("John Doe");
johnDoe.setStudentNumber(235);
johnDoe.setPreferredCourse(null);
session.persist(johnDoe);
List result = session.createCriteria( Student.class )
.setProjection( Property.forName("preferredCourse.courseCode") )
.createCriteria( "preferredCourse", Criteria.LEFT_JOIN )
.addOrder( Order.asc( "courseCode" ) )
.list();
assertEquals( 3, result.size() );
// can't be sure of NULL comparison ordering aside from they should
// either come first or last
if ( result.get( 0 ) == null ) {
assertEquals( "HIB-A", result.get(1) );
assertEquals( "HIB-B", result.get(2) );
}
else {
assertNull( result.get(2) );
assertEquals( "HIB-A", result.get(0) );
assertEquals( "HIB-B", result.get(1) );
}
result = session.createCriteria( Student.class )
.setFetchMode( "preferredCourse", FetchMode.JOIN )
.createCriteria( "preferredCourse", Criteria.LEFT_JOIN )
.addOrder( Order.asc( "courseCode" ) )
.list();
assertEquals( 3, result.size() );
assertNotNull( result.get(0) );
assertNotNull( result.get(1) );
assertNotNull( result.get(2) );
result = session.createCriteria( Student.class )
.setFetchMode( "preferredCourse", FetchMode.JOIN )
.createAlias( "preferredCourse", "pc", Criteria.LEFT_JOIN )
.addOrder( Order.asc( "pc.courseCode" ) )
.list();
assertEquals( 3, result.size() );
assertNotNull( result.get(0) );
assertNotNull( result.get(1) );
assertNotNull( result.get(2) );
session.delete(gavin);
session.delete(leonardo);
session.delete(johnDoe);
session.delete(courseA);
session.delete(courseB);
t.commit();
session.close();
| | public void | testSubselect()
Session session = openSession();
Transaction t = session.beginTransaction();
Course course = new Course();
course.setCourseCode("HIB");
course.setDescription("Hibernate Training");
session.persist(course);
Student gavin = new Student();
gavin.setName("Gavin King");
gavin.setStudentNumber(232);
session.persist(gavin);
Enrolment enrolment2 = new Enrolment();
enrolment2.setCourse(course);
enrolment2.setCourseCode(course.getCourseCode());
enrolment2.setSemester((short) 3);
enrolment2.setYear((short) 1998);
enrolment2.setStudent(gavin);
enrolment2.setStudentNumber(gavin.getStudentNumber());
gavin.getEnrolments().add(enrolment2);
session.persist(enrolment2);
DetachedCriteria dc = DetachedCriteria.forClass(Student.class)
.add( Property.forName("studentNumber").eq( new Long(232) ) )
.setProjection( Property.forName("name") );
session.createCriteria(Student.class)
.add( Subqueries.propertyEqAll("name", dc) )
.list();
session.createCriteria(Student.class)
.add( Subqueries.exists(dc) )
.list();
session.createCriteria(Student.class)
.add( Property.forName("name").eqAll(dc) )
.list();
session.createCriteria(Student.class)
.add( Subqueries.in("Gavin King", dc) )
.list();
DetachedCriteria dc2 = DetachedCriteria.forClass(Student.class, "st")
.add( Property.forName("st.studentNumber").eqProperty("e.studentNumber") )
.setProjection( Property.forName("name") );
session.createCriteria(Enrolment.class, "e")
.add( Subqueries.eq("Gavin King", dc2) )
.list();
//TODO: join in subselect: HHH-952
/*DetachedCriteria dc3 = DetachedCriteria.forClass(Student.class, "st")
.createCriteria("enrolments")
.createCriteria("course")
.add( Property.forName("description").eq("Hibernate Training") )
.setProjection( Property.forName("st.name") );
session.createCriteria(Enrolment.class, "e")
.add( Subqueries.eq("Gavin King", dc3) )
.list();*/
session.delete(enrolment2);
session.delete(gavin);
session.delete(course);
t.commit();
session.close();
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