/*
* Hibernate Search, full-text search for your domain model
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.search.test.shards;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.nio.file.Path;
import java.util.List;
import java.util.Map;
import org.apache.lucene.analysis.core.StopAnalyzer;
import org.apache.lucene.queryparser.classic.QueryParser;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.search.FullTextSession;
import org.hibernate.search.Search;
import org.hibernate.search.cfg.Environment;
import org.hibernate.search.indexes.spi.IndexManager;
import org.hibernate.search.store.impl.IdHashShardingStrategy;
import org.hibernate.search.test.SearchTestBase;
import org.hibernate.search.testsupport.TestConstants;
import org.hibernate.search.testsupport.indexmanager.RamIndexManagerFactory;
import org.hibernate.search.testsupport.junit.ElasticsearchSupportInProgress;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* @author Emmanuel Bernard
*/
public class ShardsTest extends SearchTestBase {
@Rule
public RamIndexManagerFactory managerFactory = new RamIndexManagerFactory();
@Override
public void configure(Map<String,Object> cfg) {
cfg.put( "hibernate.search.default.directory_provider", "filesystem" );
Path sub = getBaseIndexDir();
cfg.put( "hibernate.search.default.indexBase", sub.toAbsolutePath().toString() );
cfg.put( Environment.ANALYZER_CLASS, StopAnalyzer.class.getName() );
//is the default when multiple shards are set up
//cfg.setProperty( "hibernate.search.Animal.sharding_strategy", IdHashShardingStrategy.class );
cfg.put( "hibernate.search.Animal.sharding_strategy.nbr_of_shards", "2" );
cfg.put( "hibernate.search.Animal.0.indexName", "Animal00" );
}
@Test
public void testIdShardingStrategy() {
IndexManager[] dps = managerFactory.createArray( 2 );
IdHashShardingStrategy shardingStrategy = new IdHashShardingStrategy();
shardingStrategy.initialize( null, dps );
assertTrue( dps[1] == shardingStrategy.getIndexManagerForAddition( Animal.class, 1, "1", null ) );
assertTrue( dps[0] == shardingStrategy.getIndexManagerForAddition( Animal.class, 2, "2", null ) );
}
@Test
// there is a mismatch of the index name as handled by IndexManagerHolder and the ES-IM: Animal.0 vs. Animal00
@Category(ElasticsearchSupportInProgress.class)
public void testBehavior() throws Exception {
Session s = openSession();
Transaction tx = s.beginTransaction();
Animal a = new Animal();
a.setId( 1 );
a.setName( "Elephant" );
s.persist( a );
a = new Animal();
a.setId( 2 );
a.setName( "Bear" );
s.persist( a );
tx.commit();
s.clear();
tx = s.beginTransaction();
a = s.get( Animal.class, 1 );
a.setName( "Mouse" );
Furniture fur = new Furniture();
fur.setColor( "dark blue" );
s.persist( fur );
tx.commit();
s.clear();
tx = s.beginTransaction();
FullTextSession fts = Search.getFullTextSession( s );
QueryParser parser = new QueryParser( "id", TestConstants.stopAnalyzer );
List results = fts.createFullTextQuery( parser.parse( "name:mouse OR name:bear" ) ).list();
assertEquals( "Either double insert, single update, or query fails with shards", 2, results.size() );
results = fts.createFullTextQuery( parser.parse( "name:mouse OR name:bear OR color:blue" ) ).list();
assertEquals( "Mixing shared and non sharded properties fails", 3, results.size() );
results = fts.createFullTextQuery( parser.parse( "name:mouse OR name:bear OR color:blue" ) ).list();
assertEquals( "Mixing shared and non sharded properties fails with indexreader reuse", 3, results.size() );
for ( Object o : results ) {
s.delete( o );
}
tx.commit();
s.close();
}
@Test
// there is a mismatch of the index name as handled by IndexManagerHolder and the ES-IM: Animal.0 vs. Animal00
@Category(ElasticsearchSupportInProgress.class)
public void testInternalSharding() throws Exception {
Session s = openSession();
Transaction tx = s.beginTransaction();
Animal a = new Animal();
a.setId( 1 );
a.setName( "Elephant" );
s.persist( a );
a = new Animal();
a.setId( 2 );
a.setName( "Bear" );
s.persist( a );
tx.commit();
s.clear();
assertEquals( 1, getNumberOfDocumentsInIndex( "Animal00" ) );
assertEquals( 1, getNumberOfDocumentsInIndex( "Animal.1" ) );
tx = s.beginTransaction();
a = s.get( Animal.class, 1 );
a.setName( "Mouse" );
tx.commit();
s.clear();
assertEquals( 1, getNumberOfDocumentsInIndex( "Animal.1" ) );
assertEquals( 1, getNumberOfDocumentsInIndexByQuery( "Animal.1", "name", "mouse" ) );
tx = s.beginTransaction();
FullTextSession fts = Search.getFullTextSession( s );
QueryParser parser = new QueryParser( "id", TestConstants.stopAnalyzer );
List<?> results = fts.createFullTextQuery( parser.parse( "name:mouse OR name:bear" ) ).list();
assertEquals( "Either double insert, single update, or query fails with shards", 2, results.size() );
for ( Object o : results ) {
s.delete( o );
}
tx.commit();
s.close();
}
@Override
public Class<?>[] getAnnotatedClasses() {
return new Class[] {
Animal.class,
Furniture.class
};
}
}