//$Id$
package org.hibernate.search.test.shards;
import java.io.File;
import java.util.List;
import org.hibernate.search.test.SearchTestCase;
import org.hibernate.search.store.RAMDirectoryProvider;
import org.hibernate.search.store.FSDirectoryProvider;
import org.hibernate.search.store.IdHashShardingStrategy;
import org.hibernate.search.store.DirectoryProvider;
import org.hibernate.search.Environment;
import org.hibernate.search.FullTextSession;
import org.hibernate.search.Search;
import org.hibernate.cfg.Configuration;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.apache.lucene.analysis.StopAnalyzer;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.TermDocs;
import org.apache.lucene.index.Term;
/**
* @author Emmanuel Bernard
*/
public class ShardsTest extends SearchTestCase {
protected void configure(Configuration cfg) {
super.configure( cfg );
cfg.setProperty( "hibernate.search.default.directory_provider", FSDirectoryProvider.class.getName() );
File sub = getBaseIndexDir();
cfg.setProperty( "hibernate.search.default.indexBase", sub.getAbsolutePath() );
cfg.setProperty( 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.setProperty( "hibernate.search.Animal.sharding_strategy.nbr_of_shards", "2" );
cfg.setProperty( "hibernate.search.Animal.0.indexName", "Animal00" );
}
public void testIdShardingStrategy() {
DirectoryProvider[] dps = new DirectoryProvider[] { new RAMDirectoryProvider(), new RAMDirectoryProvider() };
IdHashShardingStrategy shardingStrategy = new IdHashShardingStrategy();
shardingStrategy.initialize( null, dps);
assertTrue( dps[1] == shardingStrategy.getDirectoryProviderForAddition( Animal.class, 1, "1", null) );
assertTrue( dps[0] == shardingStrategy.getDirectoryProviderForAddition( Animal.class, 2, "2", null) );
}
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 = (Animal) 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.createFullTextSession( s );
QueryParser parser = new QueryParser("id", new 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();
}
//
// 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();
//
// IndexReader reader = IndexReader.open( new File( getBaseIndexDir(), "Animal00" ) );
// try {
// int num = reader.numDocs();
// assertEquals( 1, num );
// }
// finally {
// reader.close();
// }
// reader = IndexReader.open( new File( getBaseIndexDir(), "Animal.1" ) );
// try {
// int num = reader.numDocs();
// assertEquals( 1, num );
// }
// finally {
// reader.close();
// }
//
//
// tx = s.beginTransaction();
// a = (Animal) s.get(Animal.class, 1);
// a.setName( "Mouse" );
// tx.commit();
//
// s.clear();
//
// reader = IndexReader.open( new File( getBaseIndexDir(), "Animal.1" ) );
// try {
// int num = reader.numDocs();
// assertEquals( 1, num );
// TermDocs docs = reader.termDocs( new Term( "name", "mouse" ) );
// assertTrue( docs.next() );
// org.apache.lucene.document.Document doc = reader.document( docs.doc() );
// assertFalse( docs.next() );
// }
// finally {
// reader.close();
// }
//
// tx = s.beginTransaction();
// FullTextSession fts = Search.createFullTextSession( s );
// QueryParser parser = new QueryParser("id", new 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();
// }
protected void setUp() throws Exception {
File sub = getBaseIndexDir();
sub.mkdir();
File[] files = sub.listFiles();
for (File file : files) {
if ( file.isDirectory() ) {
delete( file );
}
}
//super.setUp(); //we need a fresh session factory each time for index set up
buildSessionFactory( getMappings(), getAnnotatedPackages(), getXmlFiles() );
}
private File getBaseIndexDir() {
File current = new File( "." );
File sub = new File( current, "indextemp" );
return sub;
}
protected void tearDown() throws Exception {
super.tearDown();
File sub = getBaseIndexDir();
delete( sub );
}
private void delete(File sub) {
if ( sub.isDirectory() ) {
for ( File file : sub.listFiles() ) {
delete( file );
}
sub.delete();
}
else {
sub.delete();
}
}
protected Class[] getMappings() {
return new Class[] {
Animal.class,
Furniture.class
};
}
}