/*
* 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.backend;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.search.FullTextQuery;
import org.hibernate.search.FullTextSession;
import org.hibernate.search.Search;
import org.hibernate.search.engine.spi.EntityIndexBinding;
import org.hibernate.search.impl.MutableSearchFactory;
import org.hibernate.search.indexes.impl.DirectoryBasedIndexManager;
import org.hibernate.search.indexes.spi.IndexManager;
import org.hibernate.search.store.optimization.OptimizerStrategy;
import org.hibernate.search.store.optimization.impl.IncrementalOptimizerStrategy;
import org.hibernate.search.test.SearchTestBase;
import org.junit.Assert;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2011 Red Hat Inc.
*/
public class OptimizationTriggerTest extends SearchTestBase {
@Test
public void testOptimizationIsTriggered() throws InterruptedException {
DirectoryBasedIndexManager indexManager = getSingleIndexManager( Clock.class );
OptimizerStrategy optimizerStrategy = indexManager.getOptimizerStrategy();
Assert.assertTrue( "Unexpected optimizer strategy", optimizerStrategy instanceof IncrementalOptimizerStrategy );
// let's start the actual test
IncrementalOptimizerStrategy strategy = (IncrementalOptimizerStrategy) optimizerStrategy;
assertEquals( "Initially no optimisation should have been performed", 0, strategy.getOptimizationsPerformed() );
Session session = openSession();
//check that optimization is triggered periodically as configured
long optimizationsPerformed = 0l;
for ( int i = 0; i < 20; i++ ) {
Clock c = new Clock( i, "hwd" + i );
Transaction transaction = session.beginTransaction();
session.persist( c );
transaction.commit();
session.clear();
optimizationsPerformed = strategy.getOptimizationsPerformed();
assertEquals(
"Optimization should be triggered every three inserts",
( i + 1 ) / 3,
optimizationsPerformed
);
}
session.close();
session = openSession();
FullTextSession fullTextSession = Search.getFullTextSession( session );
FullTextQuery fullTextQuery = fullTextSession.createFullTextQuery( new MatchAllDocsQuery(), Clock.class );
int resultSize = fullTextQuery.getResultSize();
assertEquals( "Wrong number of indexed entities", 20, resultSize );
//an explicit invocation of #optimize() should trigger it as well
assertEquals(
"Optimization should not have changed",
optimizationsPerformed,
strategy.getOptimizationsPerformed()
);
fullTextSession.getSearchFactory().optimize( Clock.class );
assertEquals(
"Optimize should have been incremented",
optimizationsPerformed + 1,
strategy.getOptimizationsPerformed()
);
//the massIndexer should optimize only before and after (not during the process)
fullTextSession.createIndexer( Clock.class )
.optimizeAfterPurge( true )
.optimizeOnFinish( true )
.startAndWait();
assertEquals(
"The mass indexer should trigger optimize as well ",
optimizationsPerformed + 3,
strategy.getOptimizationsPerformed()
);
session.close();
}
private DirectoryBasedIndexManager getSingleIndexManager(Class<?> clazz) {
MutableSearchFactory searchFactory = (MutableSearchFactory) getSearchFactory();
EntityIndexBinding indexBindingForEntity = searchFactory.getIndexBinding( clazz );
IndexManager[] indexManagers = indexBindingForEntity.getIndexManagers();
assertEquals( 1, indexManagers.length );
return (DirectoryBasedIndexManager) indexManagers[0];
}
@Override
protected void configure(org.hibernate.cfg.Configuration cfg) {
super.configure( cfg );
cfg.setProperty( "hibernate.search.default.optimizer.operation_limit.max", "3" );
}
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] { Clock.class };
}
}