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6 - SQM based on JPA type system

This commit is contained in:
Andrea Boriero 2019-07-16 17:55:56 +01:00
parent 86ccb2115b
commit 0a95c8c815
1 changed files with 203 additions and 174 deletions
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171
hibernate-core/src/test/java/org/hibernate/test/discriminator/DiscriminatorTest.java
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@ -8,13 +8,15 @@ package org.hibernate.test.discriminator;
import java.math.BigDecimal;
import java.util.List;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import org.junit.Test;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Property;
import org.hibernate.criterion.Restrictions;
import org.hibernate.proxy.HibernateProxy;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
@ -36,9 +38,8 @@ public class DiscriminatorTest extends BaseCoreFunctionalTestCase {
@Test
public void testDiscriminatorSubclass() {
Session s = openSession();
Transaction t = s.beginTransaction();
inTransaction(
s -> {
Employee mark = new Employee();
mark.setName("Mark");
mark.setTitle("internal sales");
@ -90,8 +91,8 @@ public class DiscriminatorTest extends BaseCoreFunctionalTestCase {
s.clear();
mark = (Employee) s.get( Employee.class, new Long( mark.getId() ) );
joe = (Customer) s.get( Customer.class, new Long( joe.getId() ) );
mark = s.get( Employee.class, new Long( mark.getId() ) );
joe = s.get( Customer.class, new Long( joe.getId() ) );
mark.setZip("30306");
assertEquals( s.createQuery("from Person p where p.address.zip = '30306'").list().size(), 1 );
@ -99,49 +100,65 @@ public class DiscriminatorTest extends BaseCoreFunctionalTestCase {
s.delete(joe);
s.delete(yomomma);
assertTrue( s.createQuery("from Person").list().isEmpty() );
t.commit();
s.close();
}
);
}
@Test
public void testAccessAsIncorrectSubclass() {
Session s = openSession();
s.beginTransaction();
Employee e = new Employee();
e.setName( "Steve" );
e.setSex( 'M' );
e.setTitle( "grand poobah" );
s.save( e );
s.getTransaction().commit();
s.close();
Employee employee = new Employee();
inTransaction(
s -> {
employee.setName( "Steve" );
employee.setSex( 'M' );
employee.setTitle( "grand poobah" );
s.save( employee );
}
);
s = openSession();
Customer c = null;
Session s = openSession();
try {
s.beginTransaction();
Customer c = ( Customer ) s.get( Customer.class, new Long( e.getId() ) );
c = s.get( Customer.class, new Long( employee.getId() ) );
s.getTransaction().commit();
}catch (Exception exception){
if(s.getTransaction().isActive()){
s.getTransaction().rollback();
}
}finally {
s.close();
}
assertNull( c );
Employee e = null;
s = openSession();
try {
s.beginTransaction();
e = ( Employee ) s.get( Employee.class, new Long( e.getId() ) );
c = ( Customer ) s.get( Customer.class, new Long( e.getId() ) );
e = s.get( Employee.class, new Long( employee.getId() ) );
c = s.get( Customer.class, new Long( employee.getId() ) );
s.getTransaction().commit();
}catch (Exception exc){
if(s.getTransaction().isActive()){
s.getTransaction().rollback();
}
}finally{
s.close();
}
assertNotNull( e );
assertNull( c );
s = openSession();
s.beginTransaction();
s.delete( e );
s.getTransaction().commit();
s.close();
inTransaction(
session -> session.delete( employee )
);
}
@Test
public void testQuerySubclassAttribute() {
Session s = openSession();
Transaction t = s.beginTransaction();
inTransaction(
s -> {
Person p = new Person();
p.setName("Emmanuel");
p.setSex('M');
@ -160,9 +177,14 @@ public class DiscriminatorTest extends BaseCoreFunctionalTestCase {
result = s.createQuery("from Person where salary > 100 or name like 'E%'").list();
assertEquals( result.size(), 2 );
result = s.createCriteria(Person.class)
.add( Property.forName("salary").gt( new BigDecimal(100) ) )
.list();
CriteriaBuilder criteriaBuilder = s.getCriteriaBuilder();
CriteriaQuery<Person> criteria = criteriaBuilder.createQuery( Person.class );
Root<Person> root = criteria.from( Person.class );
criteria.where( criteriaBuilder.gt( root.get( "salary" ), new BigDecimal( 100) ) );
result = s.createQuery( criteria ).list();
// result = s.createCriteria(Person.class)
// .add( Property.forName( "salary").gt( new BigDecimal( 100) ) )
// .list();
assertEquals( result.size(), 1 );
assertSame( result.get(0), q );
@ -173,34 +195,40 @@ public class DiscriminatorTest extends BaseCoreFunctionalTestCase {
s.delete(p);
s.delete(q);
t.commit();
s.close();
}
);
}
@Test
public void testLoadSuperclassProxyPolymorphicAccess() {
Session s = openSession();
s.beginTransaction();
Employee e = new Employee();
inTransaction(
s -> {
e.setName( "Steve" );
e.setSex( 'M' );
e.setTitle( "grand poobah" );
s.save( e );
s.getTransaction().commit();
s.close();
}
);
s = openSession();
s.beginTransaction();
inTransaction(
s -> {
// load the superclass proxy.
Person pLoad = ( Person ) s.load( Person.class, new Long( e.getId() ) );
Person pLoad = s.load( Person.class, new Long( e.getId() ) );
assertTrue( pLoad instanceof HibernateProxy);
Person pGet = ( Person ) s.get( Person.class, new Long( e.getId() ));
Person pGet = s.get( Person.class, new Long( e.getId() ));
Person pQuery = ( Person ) s.createQuery( "from Person where id = :id" )
.setLong( "id", e.getId() )
.uniqueResult();
Person pCriteria = ( Person ) s.createCriteria( Person.class )
.add( Restrictions.idEq( new Long( e.getId() ) ) )
.setParameter( "id", e.getId() )
.uniqueResult();
CriteriaBuilder criteriaBuilder = s.getCriteriaBuilder();
CriteriaQuery<Person> criteria = criteriaBuilder.createQuery( Person.class );
Root<Person> root = criteria.from( Person.class );
criteria.where( criteriaBuilder.equal( root.get( "id" ), e.getId() ));
Person pCriteria = s.createQuery( criteria ).uniqueResult();
// Person pCriteria = ( Person ) s.createCriteria( Person.class )
// .add( Restrictions.idEq( new Long( e.getId() ) ) )
// .uniqueResult();
// assert that executing the queries polymorphically returns the same proxy
assertSame( pLoad, pGet );
assertSame( pLoad, pQuery );
@ -208,31 +236,28 @@ public class DiscriminatorTest extends BaseCoreFunctionalTestCase {
// assert that the proxy is not an instance of Employee
assertFalse( pLoad instanceof Employee );
}
);
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
s.delete( e );
s.getTransaction().commit();
s.close();
inTransaction(
s -> s.delete( e )
);
}
@Test
public void testLoadSuperclassProxyEvictPolymorphicAccess() {
Session s = openSession();
s.beginTransaction();
Employee e = new Employee();
inTransaction(
s -> {
e.setName( "Steve" );
e.setSex( 'M' );
e.setTitle( "grand poobah" );
s.save( e );
s.getTransaction().commit();
s.close();
}
);
s = openSession();
s.beginTransaction();
inTransaction(
s -> {
// load the superclass proxy.
Person pLoad = ( Person ) s.load( Person.class, new Long( e.getId() ) );
assertTrue( pLoad instanceof HibernateProxy);
@ -240,21 +265,25 @@ public class DiscriminatorTest extends BaseCoreFunctionalTestCase {
s.evict( pLoad );
Employee pGet = ( Employee ) s.get( Person.class, new Long( e.getId() ));
Employee pQuery = ( Employee ) s.createQuery( "from Person where id = :id" )
.setLong( "id", e.getId() )
.uniqueResult();
Employee pCriteria = ( Employee ) s.createCriteria( Person.class )
.add( Restrictions.idEq( new Long( e.getId() ) ) )
.setParameter( "id", e.getId() )
.uniqueResult();
CriteriaBuilder criteriaBuilder = s.getCriteriaBuilder();
CriteriaQuery<Person> criteria = criteriaBuilder.createQuery( Person.class );
Root<Person> root = criteria.from( Person.class );
criteria.where( criteriaBuilder.equal( root.get( "id" ), e.getId() ) );
Employee pCriteria = (Employee) s.createQuery( criteria ).uniqueResult();
// Employee pCriteria = ( Employee ) s.createCriteria( Person.class )
// .add( Restrictions.idEq( new Long( e.getId() ) ) )
// .uniqueResult();
// assert that executing the queries polymorphically returns the same Employee instance
assertSame( pGet, pQuery );
assertSame( pGet, pCriteria );
s.getTransaction().commit();
s.close();
}
);
s = openSession();
s.beginTransaction();
s.delete( e );
s.getTransaction().commit();
s.close();
inTransaction(
s -> s.delete( e )
);
}
}