//$Id$
package org.hibernate.test.annotations.naturalid;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.criterion.Restrictions;
import org.hibernate.metadata.ClassMetadata;
import org.hibernate.stat.Statistics;
import org.hibernate.test.annotations.TestCase;
/**
* Test case for NaturalId annotation
*
* @author Emmanuel Bernard
* @author Hardy Ferentschik
*/
@SuppressWarnings("unchecked")
public class NaturalIdTest extends TestCase {
public void testMappingProperties() {
ClassMetadata metaData = getSessions().getClassMetadata(
Citizen.class
);
assertTrue(
"Class should have a natural key", metaData
.hasNaturalIdentifier()
);
int[] propertiesIndex = metaData.getNaturalIdentifierProperties();
assertTrue( "Wrong number of elements", propertiesIndex.length == 2 );
}
public void testNaturalIdCached() {
saveSomeCitizens();
Session s = openSession();
Transaction tx = s.beginTransaction();
State france = ( State ) s.load( State.class, 2 );
Criteria criteria = s.createCriteria( Citizen.class );
criteria.add(
Restrictions.naturalId().set( "ssn", "1234" ).set(
"state",
france
)
);
criteria.setCacheable( true );
Statistics stats = getSessions().getStatistics();
stats.setStatisticsEnabled( true );
stats.clear();
assertEquals(
"Cache hits should be empty", 0, stats
.getQueryCacheHitCount()
);
// first query
List results = criteria.list();
assertEquals( 1, results.size() );
assertEquals(
"Cache hits should be empty", 0, stats
.getQueryCacheHitCount()
);
assertEquals(
"First query should be a miss", 1, stats
.getQueryCacheMissCount()
);
assertEquals(
"Query result should be added to cache", 1, stats
.getQueryCachePutCount()
);
// query a second time - result should be cached
criteria.list();
assertEquals(
"Cache hits should be empty", 1, stats
.getQueryCacheHitCount()
);
// cleanup
tx.rollback();
s.close();
}
public void testNaturalIdUncached() {
saveSomeCitizens();
Session s = openSession();
Transaction tx = s.beginTransaction();
State france = ( State ) s.load( State.class, 2 );
Criteria criteria = s.createCriteria( Citizen.class );
criteria.add(
Restrictions.naturalId().set( "ssn", "1234" ).set(
"state",
france
)
);
criteria.setCacheable( false );
Statistics stats = getSessions().getStatistics();
stats.setStatisticsEnabled( true );
stats.clear();
assertEquals(
"Cache hits should be empty", 0, stats
.getQueryCacheHitCount()
);
// first query
List results = criteria.list();
assertEquals( 1, results.size() );
assertEquals(
"Cache hits should be empty", 0, stats
.getQueryCacheHitCount()
);
assertEquals(
"Query result should be added to cache", 0, stats
.getQueryCachePutCount()
);
// query a second time
criteria.list();
assertEquals(
"Cache hits should be empty", 0, stats
.getQueryCacheHitCount()
);
// cleanup
tx.rollback();
s.close();
}
protected Class[] getAnnotatedClasses() {
return new Class[] {
Citizen.class, State.class,
NaturalIdOnManyToOne.class
};
}
private void saveSomeCitizens() {
Citizen c1 = new Citizen();
c1.setFirstname( "Emmanuel" );
c1.setLastname( "Bernard" );
c1.setSsn( "1234" );
State france = new State();
france.setName( "Ile de France" );
c1.setState( france );
Citizen c2 = new Citizen();
c2.setFirstname( "Gavin" );
c2.setLastname( "King" );
c2.setSsn( "000" );
State australia = new State();
australia.setName( "Australia" );
c2.setState( australia );
Session s = openSession();
Transaction tx = s.beginTransaction();
s.persist( australia );
s.persist( france );
s.persist( c1 );
s.persist( c2 );
tx.commit();
s.close();
}
protected void configure(Configuration cfg) {
cfg.setProperty( "hibernate.cache.use_query_cache", "true" );
}
}