Hibernate example source code file (MultiTableTest.java)
The Hibernate MultiTableTest.java source code//$Id: MultiTableTest.java 10977 2006-12-12 23:28:04Z steve.ebersole@jboss.com $
package org.hibernate.test.legacy;
import java.io.Serializable;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.hibernate.Criteria;
import org.hibernate.FetchMode;
import org.hibernate.LockMode;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;
import org.hibernate.dialect.MySQLDialect;
import org.hibernate.jdbc.Work;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
public class MultiTableTest extends LegacyTestCase {
@Override
public String[] getMappings() {
return new String[] { "legacy/Multi.hbm.xml", "legacy/MultiExtends.hbm.xml" };
}
@Test
public void testCriteria() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
Lower l = new Lower();
s.save(l);
assertTrue( l==s.createCriteria(Top.class).uniqueResult() );
s.delete(l);
s.flush();
Criteria c = s.createCriteria(Lower.class);
c.createCriteria("yetanother")
.add( Restrictions.isNotNull("id") )
.createCriteria("another");
c.createCriteria("another").add( Restrictions.isNotNull("id") );
c.list();
t.commit();
s.close();
}
@Test
public void testFetchOneToMany() throws Exception {
Session s = openSession();
s.beginTransaction();
s.createCriteria(Po.class).setFetchMode("set", FetchMode.JOIN).list();
s.createCriteria(Po.class).setFetchMode("list", FetchMode.JOIN).list();
s.getTransaction().commit();
s.close();
}
@Test
public void testNarrow() throws Exception {
Session s = openSession();
s.beginTransaction();
s.createQuery("from Po po, Lower low where low.mypo = po").list();
s.createQuery("from Po po join po.set as sm where sm.amount > 0").list();
s.createQuery("from Po po join po.top as low where low.foo = 'po'").list();
s.getTransaction().commit();
s.close();
}
@Test
public void testJoins() throws Exception {
Session s = openSession();
s.beginTransaction();
s.createQuery( "from Lower l join l.yetanother l2 where lower(l2.name) > 'a'" ).list();
s.createQuery( "from Lower l where lower(l.yetanother.top.name) > 'a'" ).list();
s.createQuery( "from SubMulti sm join sm.children smc where smc.name > 'a'" ).list();
s.createQuery( "select s, ya from Lower s join s.yetanother ya" ).list();
s.createQuery( "from Lower s1 join s1.bag s2" ).list();
s.createQuery( "from Lower s1 left join s1.bag s2" ).list();
s.createQuery( "select s, a from Lower s join s.another a" ).list();
s.createQuery( "select s, a from Lower s left join s.another a" ).list();
s.createQuery( "from Top s, Lower ls" ).list();
s.createQuery( "from Lower ls join ls.set s where s.name > 'a'" ).list();
s.createQuery( "from Po po join po.list sm where sm.name > 'a'" ).list();
s.createQuery( "from Lower ls inner join ls.another s where s.name is not null" ).list();
s.createQuery( "from Lower ls where ls.other.another.name is not null" ).list();
s.createQuery( "from Multi m where m.derived like 'F%'" ).list();
s.createQuery( "from SubMulti m where m.derived like 'F%'" ).list();
s.getTransaction().commit();
s.close();
}
@Test
public void testSubclassCollection() throws Exception {
//if ( getDialect() instanceof HSQLDialect ) return; //TODO: figure out why!?
Session s = openSession();
s.beginTransaction();
SubMulti sm = new SubMulti();
SubMulti sm1 = new SubMulti();
SubMulti sm2 = new SubMulti();
ArrayList list = new ArrayList();
ArrayList anotherList = new ArrayList();
sm.setChildren(list);
sm.setMoreChildren(anotherList);
sm.setExtraProp("foo");
list.add(sm1);
list.add(sm2);
anotherList.add(sm1);
anotherList.add(sm2);
sm1.setParent(sm);
sm2.setParent(sm);
Serializable id = s.save(sm);
s.save(sm1);
s.save(sm2);
s.getTransaction().commit();
s.close();
sessionFactory().evict(SubMulti.class);
s = openSession();
s.beginTransaction();
s.doWork(
new Work() {
@Override
public void execute(Connection connection) throws SQLException {
final String sql = "select * from leafsubsubclass sm, nonleafsubclass m, rootclass s " +
"where sm.sid=m.sid and sm.sid=s.id1_ and sm.sid=1";
connection.createStatement().executeQuery( sql ).next();
}
}
);
assertTrue(
s.createQuery(
"select s from SubMulti as sm join sm.children as s where s.amount>-1 and s.name is null"
).list().size()==2 );
s.createQuery( "select c from SubMulti sm join sm.children c" ).list();
assertTrue( s.createQuery( "select elements(sm.children) from SubMulti as sm" ).list().size()==2 );
assertTrue(
s.createQuery(
"select distinct sm from SubMulti as sm join sm.children as s where s.amount>-1 and s.name is null"
).list().size()==1 );
sm = (SubMulti) s.load(SubMulti.class, id);
assertTrue( sm.getChildren().size()==2 );
assertEquals(
s.createFilter( sm.getMoreChildren(), "select count(*) where this.amount>-1 and this.name is null" ).list().get(0),
new Long(2)
);
assertEquals( "FOO", sm.getDerived() );
assertSame(
s.createQuery( "select distinct s from SubMulti s where s.moreChildren[1].amount < 1.0" ).iterate().next(),
sm
);
assertTrue( sm.getMoreChildren().size()==2 );
s.delete(sm);
Iterator iter = sm.getChildren().iterator();
while ( iter.hasNext() ) {
s.delete( iter.next() );
}
s.flush();
s.getTransaction().commit();
s.close();
}
@Test
public void testCollectionOnly() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
Mono m = new Mono();
Long id = (Long) s.save(m);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
s.update( m );
s.flush();
m.setAddress("foo bar");
s.flush();
s.delete(m);
t.commit();
s.close();
}
@Test
public void testQueries() throws Exception {
Session s = openSession();
s.beginTransaction();
Long id = ( Long ) s.save( new TrivialClass() );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
TrivialClass tc = (TrivialClass) s.load(TrivialClass.class, id);
s.createQuery( "from TrivialClass s where s.id = 2" ).list();
s.createQuery( "select t.count from Top t" ).list();
s.createQuery( "from Lower s where s.another.name='name'" ).list();
s.createQuery( "from Lower s where s.yetanother.name='name'" ).list();
s.createQuery( "from Lower s where s.yetanother.name='name' and s.yetanother.foo is null" ).list();
s.createQuery( "from Top s where s.count=1" ).list();
s.createQuery( "select s.count from Top s, Lower ls where ls.another=s" ).list();
s.createQuery( "select elements(ls.bag), elements(ls.set) from Lower ls" ).list();
s.createQuery( "from Lower" ).iterate();
s.createQuery( "from Top" ).iterate();
s.delete(tc);
s.getTransaction().commit();
s.close();
}
@Test
public void testConstraints() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
SubMulti sm = new SubMulti();
sm.setAmount(66.5f);
s.save( sm );
t.commit();
s.close();
s = openSession();
// doDelete( s, "from SubMulti" );
// t = s.beginTransaction();
t = s.beginTransaction();
doDelete( s, "from SubMulti" );
t.commit();
s.close();
}
@Test
public void testMultiTable() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
Multi multi = new Multi();
multi.setExtraProp("extra");
multi.setName("name");
Top simp = new Top();
simp.setDate( new Date() );
simp.setName("simp");
Serializable mid = s.save(multi);
Serializable sid = s.save(simp);
SubMulti sm = new SubMulti();
sm.setAmount(66.5f);
Serializable smid = s.save(sm);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
multi.setExtraProp( multi.getExtraProp() + "2" );
//multi.setCount( multi.getCount() + 1 );
multi.setName("new name");
s.update( multi );
simp.setName("new name");
s.update( simp );
sm.setAmount(456.7f);
s.update( sm );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
multi = (Multi) s.load(Multi.class, mid);
assertTrue( multi.getExtraProp().equals("extra2") );
multi.setExtraProp( multi.getExtraProp() + "3" );
//multi.setCount( multi.getCount() + 1 );
assertTrue( multi.getName().equals("new name") );
multi.setName("newer name");
sm = (SubMulti) s.load(SubMulti.class, smid);
assertTrue( sm.getAmount()==456.7f );
sm.setAmount(23423f);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
multi = (Multi) s.load(Top.class, mid);
simp = (Top) s.load(Top.class, sid);
assertTrue( ! (simp instanceof Multi) );
assertTrue( multi.getExtraProp().equals("extra23") );
//multi.setCount( multi.getCount() + 1 );
assertTrue( multi.getName().equals("newer name") );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
Iterator iter = s.createQuery( "select\n\nt from Top t where t.count>0" ).iterate();
boolean foundSimp = false;
boolean foundMulti = false;
boolean foundSubMulti = false;
while ( iter.hasNext() ) {
Object o = iter.next();
if ( ( o instanceof Top ) && !( o instanceof Multi) ) foundSimp = true;
if ( o instanceof Multi && !(o instanceof SubMulti) ) foundMulti = true;
if ( o instanceof SubMulti ) foundSubMulti = true;
}
assertTrue( foundSimp&&foundMulti&&foundSubMulti );
s.createQuery( "from Multi m where m.count>0 and m.extraProp is not null" ).list();
s.createQuery( "from Top m where m.count>0 and m.name is not null" ).list();
s.createQuery( "from Lower m where m.other is not null" ).list();
s.createQuery( "from Multi m where m.other.id = 1" ).list();
s.createQuery( "from SubMulti m where m.amount > 0.0" ).list();
assertTrue(
s.createQuery( "from Multi" ).list().size()==2
);
assertTrue(
s.createQuery( "from Multi m where m.class = SubMulti" ).list().size()==1
);
assertTrue(
s.createQuery( "from Top m where m.class = Multi" ).list().size()==1
);
assertTrue(
s.createQuery( "from Top" ).list().size()==3
);
assertTrue(
s.createQuery( "from Lower" ).list().size()==0
);
assertTrue(
s.createQuery( "from SubMulti" ).list().size()==1
);
s.createQuery( "from Lower ls join ls.bag s where s.id is not null" ).list();
s.createQuery( "from Lower ls join ls.set s where s.id is not null" ).list();
if ( !(getDialect() instanceof MySQLDialect) )
s.createQuery( "from SubMulti sm where exists elements(sm.children)" ).list();
List l = s.createCriteria(Top.class).list();
assertTrue( l.size()==3 );
assertTrue( s.createCriteria(SubMulti.class).list().size()==1 );
assertTrue(
s.createCriteria(SubMulti.class)
.add( Restrictions.lt("amount", new Float(0)) )
.list()
.size()==0
);
assertTrue(
s.createCriteria(SubMulti.class)
.add( Restrictions.ge("amount", new Float(0)) )
.list()
.size()==1
);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
multi = (Multi) s.load(Top.class, mid, LockMode.UPGRADE);
simp = (Top) s.load(Top.class, sid);
s.lock(simp, LockMode.UPGRADE_NOWAIT);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
s.update(multi);
s.delete(multi);
assertEquals( 2, doDelete( s, "from Top" ) );
t.commit();
s.close();
}
@Test
public void testMultiTableGeneratedId() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
Multi multi = new Multi();
multi.setExtraProp("extra");
//multi.setCount(666);
multi.setName("name");
Top simp = new Top();
simp.setDate( new Date() );
simp.setName("simp");
//simp.setCount(132);
Serializable multiId = s.save( multi );
Serializable simpId = s.save( simp );
SubMulti sm = new SubMulti();
sm.setAmount(66.5f);
Serializable smId = s.save( sm );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
multi.setExtraProp( multi.getExtraProp() + "2" );
//multi.setCount( multi.getCount() + 1 );
multi.setName("new name");
s.update( multi );
simp.setName("new name");
s.update( simp );
sm.setAmount(456.7f);
s.update( sm );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
multi = (Multi) s.load( Multi.class, multiId );
assertTrue( multi.getExtraProp().equals("extra2") );
multi.setExtraProp( multi.getExtraProp() + "3" );
//multi.setCount( multi.getCount() + 1 );
assertTrue( multi.getName().equals("new name") );
multi.setName("newer name");
sm = (SubMulti) s.load( SubMulti.class, smId );
assertTrue( sm.getAmount()==456.7f );
sm.setAmount(23423f);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
multi = (Multi) s.load( Top.class, multiId );
simp = (Top) s.load( Top.class, simpId );
assertTrue( ! (simp instanceof Multi) );
assertTrue( multi.getExtraProp().equals("extra23") );
//multi.setCount( multi.getCount() + 1 );
assertTrue( multi.getName().equals("newer name") );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
Iterator iter = s.createQuery( "select\n\nt from Top t where t.count>0" ).iterate();
boolean foundSimp = false;
boolean foundMulti = false;
boolean foundSubMulti = false;
while ( iter.hasNext() ) {
Object o = iter.next();
if ( ( o instanceof Top ) && !( o instanceof Multi) ) foundSimp = true;
if ( o instanceof Multi && !(o instanceof SubMulti) ) foundMulti = true;
if ( o instanceof SubMulti ) foundSubMulti = true;
}
assertTrue( foundSimp&&foundMulti&&foundSubMulti );
s.createQuery( "from Multi m where m.count>0 and m.extraProp is not null" ).list();
s.createQuery( "from Top m where m.count>0 and m.name is not null" ).list();
s.createQuery( "from Lower m where m.other is not null" ).list();
s.createQuery( "from Multi m where m.other.id = 1" ).list();
s.createQuery( "from SubMulti m where m.amount > 0.0" ).list();
assertTrue(
s.createQuery( "from Multi" ).list().size()==2
);
/*assertTrue(
s.find("from m in class Multi where m.class = Multi").size()==1
);*/
assertTrue(
s.createQuery( "from Top" ).list().size()==3
);
assertTrue(
s.createQuery( "from Lower" ).list().size()==0
);
assertTrue(
s.createQuery( "from SubMulti" ).list().size()==1
);
s.createQuery( "from Lower ls join ls.bag s where s.id is not null" ).list();
if ( !(getDialect() instanceof MySQLDialect) )
s.createQuery( "from SubMulti sm where exists elements(sm.children)" ).list();
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
multi = (Multi) s.load( Top.class, multiId, LockMode.UPGRADE );
simp = (Top) s.load( Top.class, simpId );
s.lock(simp, LockMode.UPGRADE_NOWAIT);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
s.update( multi );
s.delete(multi);
assertEquals( 2, doDelete( s, "from Top" ) );
t.commit();
s.close();
}
@Test
public void testMultiTableCollections() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
assertTrue( s.createQuery( "from Top" ).list().size()==0 );
Multi multi = new Multi();
multi.setExtraProp("extra");
multi.setName("name");
Top simp = new Top();
simp.setDate( new Date() );
simp.setName("simp");
s.save(multi);
s.save(simp);
Lower ls = new Lower();
ls.setOther(ls);
ls.setAnother(ls);
ls.setYetanother(ls);
ls.setName("Less Simple");
Set set = new HashSet();
ls.setSet(set);
set.add(multi);
set.add(simp);
Serializable id = s.save(ls);
t.commit();
s.close();
assertTrue( ls.getOther()==ls && ls.getAnother()==ls && ls.getYetanother()==ls );
s = openSession();
t = s.beginTransaction();
ls = (Lower) s.load(Lower.class, id);
assertTrue( ls.getOther()==ls && ls.getAnother()==ls && ls.getYetanother()==ls );
assertTrue( ls.getSet().size()==2 );
Iterator iter = ls.getSet().iterator();
int foundMulti = 0;
int foundSimple = 0;
while ( iter.hasNext() ) {
Object o = iter.next();
if ( o instanceof Top ) foundSimple++;
if ( o instanceof Multi ) foundMulti++;
}
assertTrue( foundSimple==2 && foundMulti==1 );
assertEquals( 3, doDelete( s, "from Top" ) );
t.commit();
s.close();
}
@Test
public void testMultiTableManyToOne() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
assertTrue( s.createQuery( "from Top" ).list().size()==0 );
Multi multi = new Multi();
multi.setExtraProp("extra");
multi.setName("name");
Top simp = new Top();
simp.setDate( new Date() );
simp.setName("simp");
s.save(multi);
Lower ls = new Lower();
ls.setOther(ls);
ls.setAnother(multi);
ls.setYetanother(ls);
ls.setName("Less Simple");
Serializable id = s.save(ls);
t.commit();
s.close();
assertTrue( ls.getOther()==ls && ls.getAnother()==multi && ls.getYetanother()==ls );
s = openSession();
t = s.beginTransaction();
ls = (Lower) s.load(Lower.class, id);
assertTrue( ls.getOther()==ls && ls.getYetanother()==ls );
assertTrue( ls.getAnother().getName().equals("name") && ls.getAnother() instanceof Multi );
s.delete(ls);
s.delete( ls.getAnother() );
t.commit();
s.close();
}
@Test
public void testMultiTableNativeId() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
Multi multi = new Multi();
multi.setExtraProp("extra");
Long id = (Long) s.save(multi);
assertTrue( id!=null );
s.delete(multi);
t.commit();
s.close();
}
@Test
public void testCollection() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
Multi multi1 = new Multi();
multi1.setExtraProp("extra1");
Multi multi2 = new Multi();
multi2.setExtraProp("extra2");
Po po = new Po();
multi1.setPo(po); multi2.setPo(po);
po.setSet( new HashSet() );
po.getSet().add(multi1);
po.getSet().add(multi2);
po.setList( new ArrayList() );
//po.getList().add(null);
po.getList().add( new SubMulti() );
Serializable id = s.save(po);
assertTrue( id!=null );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
po = (Po) s.load(Po.class, id);
assertTrue( po.getSet().size()==2 );
assertTrue( po.getList().size()==1 );
s.delete(po);
assertTrue( s.createQuery( "from Top" ).list().size()==0 );
t.commit();
s.close();
}
@Test
public void testOneToOne() throws Exception {
Session s = openSession();
s.beginTransaction();
Lower ls = new Lower();
Serializable id = s.save(ls);
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
s.load(Lower.class, id);
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
s.delete( s.load(Lower.class, id) );
s.getTransaction().commit();
s.close();
}
@Test
public void testCollectionPointer() throws Exception {
Session sess = openSession();
sess.beginTransaction();
Lower ls = new Lower();
List list = new ArrayList();
ls.setBag(list);
Top s = new Top();
Serializable id = sess.save(ls);
sess.save(s);
sess.flush();
list.add(s);
sess.getTransaction().commit();
sess.close();
sess = openSession();
sess.beginTransaction();
ls = (Lower) sess.load(Lower.class, id);
assertTrue( ls.getBag().size()==1 );
doDelete( sess, "from java.lang.Object" );
sess.getTransaction().commit();
sess.close();
}
}
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