/*
* 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.engine.worker;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.lucene.queryparser.classic.ParseException;
import org.apache.lucene.queryparser.classic.QueryParser;
import org.apache.lucene.search.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.search.Search;
import org.hibernate.search.test.SearchTestBase;
import org.hibernate.search.testsupport.TestConstants;
import org.junit.Assert;
import org.junit.Test;
/**
* @author Emmanuel Bernard
* @author Sanne Grinovero
*/
public class WorkerTestCase extends SearchTestBase {
@Test
public void testConcurrency() throws Exception {
final AtomicBoolean allFine = new AtomicBoolean( true );
int nThreads = 15;
ExecutorService es = Executors.newFixedThreadPool( nThreads );
Work work = new Work( getSessionFactory(), allFine, isWorkerSync() );
ReverseWork reverseWork = new ReverseWork( getSessionFactory(), allFine );
long start = System.nanoTime();
int iteration = 100;
for ( int i = 0; i < iteration; i++ ) {
es.execute( work );
es.execute( reverseWork );
}
es.shutdown();
es.awaitTermination( 100, TimeUnit.MINUTES );
getSessionFactory().close();
Assert.assertTrue(
"Something was wrong in the concurrent threads, please check logs for stacktraces",
allFine.get()
);
System.out.println(
iteration + " iterations (8 tx per iteration) in " + nThreads + " threads: "
+ TimeUnit.NANOSECONDS.toMillis( System.nanoTime() - start )
);
}
protected static final class Work implements Runnable {
private final SessionFactory sf;
private final AtomicBoolean allFine;
private final boolean isWorkerSync;
public Work(SessionFactory sf, AtomicBoolean allFine, boolean isWorkerSync) {
this.sf = sf;
this.allFine = allFine;
this.isWorkerSync = isWorkerSync;
}
@Override
public void run() {
Session s = null;
Transaction tx = null;
try {
s = sf.openSession();
tx = s.beginTransaction();
Employer er = new Employer();
er.setName( "RH" );
s.persist( er );
Employee ee = new Employee();
ee.setName( "Emmanuel" );
s.persist( ee );
tx.commit();
s.close();
s = sf.openSession();
tx = s.beginTransaction();
ee = (Employee) s.get( Employee.class, ee.getId() );
ee.setName( "Emmanuel2" );
tx.commit();
s.close();
s = sf.openSession();
tx = s.beginTransaction();
er = (Employer) s.get( Employer.class, er.getId() );
er.setName( "RH2" );
tx.commit();
s.close();
s = sf.openSession();
tx = s.beginTransaction();
QueryParser parser = new QueryParser(
TestConstants.getTargetLuceneVersion(), "id",
TestConstants.stopAnalyzer
);
Query query;
try {
query = parser.parse( "name:emmanuel2" );
}
catch (ParseException e) {
throw new RuntimeException( e );
}
boolean results = Search.getFullTextSession( s ).createFullTextQuery( query ).list().size() > 0;
// don't test because in case of async, it query happens before
// actual saving
if ( isWorkerSync ) {
Assert.assertTrue( results );
}
tx.commit();
s.close();
s = sf.openSession();
tx = s.beginTransaction();
er = (Employer) s.get( Employer.class, er.getId() );
s.delete( er );
tx.commit();
s.close();
s = sf.openSession();
tx = s.beginTransaction();
ee = (Employee) s.get( Employee.class, ee.getId() );
s.delete( ee );
tx.commit();
s.close();
}
catch (Throwable t) {
allFine.set( false );
t.printStackTrace();
}
finally {
try {
if ( tx != null && tx.isActive() ) {
tx.rollback();
}
if ( s != null && s.isOpen() ) {
s.close();
}
}
catch (Throwable t) {
allFine.set( false );
t.printStackTrace();
}
}
}
}
protected static final class ReverseWork implements Runnable {
private final SessionFactory sf;
private final AtomicBoolean allFine;
public ReverseWork(SessionFactory sf, AtomicBoolean allFine) {
this.sf = sf;
this.allFine = allFine;
}
@Override
public void run() {
try {
Session s = sf.openSession();
Transaction tx = s.beginTransaction();
Employer er = new Employer();
er.setName( "RH" );
s.persist( er );
Employee ee = new Employee();
ee.setName( "Emmanuel" );
s.persist( ee );
tx.commit();
s.close();
s = sf.openSession();
tx = s.beginTransaction();
er = (Employer) s.get( Employer.class, er.getId() );
er.setName( "RH2" );
ee = (Employee) s.get( Employee.class, ee.getId() );
ee.setName( "Emmanuel2" );
tx.commit();
s.close();
s = sf.openSession();
tx = s.beginTransaction();
er = (Employer) s.get( Employer.class, er.getId() );
s.delete( er );
ee = (Employee) s.get( Employee.class, ee.getId() );
s.delete( ee );
tx.commit();
s.close();
}
catch (Throwable t) {
allFine.set( false );
t.printStackTrace();
}
}
}
@Override
@SuppressWarnings("unchecked")
protected Class<?>[] getAnnotatedClasses() {
return new Class[] {
Employee.class,
Employer.class
};
}
protected boolean isWorkerSync() {
return true;
}
}