/*
* 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.jgroups.master;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.DoubleField;
import org.apache.lucene.document.Field;
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.cfg.Configuration;
import org.hibernate.search.cfg.Environment;
import org.hibernate.search.FullTextSession;
import org.hibernate.search.engine.ProjectionConstants;
import org.hibernate.search.Search;
import org.hibernate.search.backend.AddLuceneWork;
import org.hibernate.search.backend.LuceneWork;
import org.hibernate.search.backend.jgroups.impl.DispatchMessageSender;
import org.hibernate.search.backend.jgroups.impl.MessageSerializationHelper;
import org.hibernate.search.indexes.spi.IndexManager;
import org.hibernate.search.test.SearchTestBase;
import org.hibernate.search.test.jgroups.common.JGroupsCommonTest;
import org.hibernate.search.testsupport.TestConstants;
import org.hibernate.search.util.configuration.impl.ConfigurationParseHelper;
import org.jgroups.JChannel;
import org.jgroups.Message;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* Tests that the Master node in a JGroups cluster can properly process messages received from channel.
* <p/>
*
* @author Lukasz Moren
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2011 Red Hat Inc.
*/
public class JGroupsMasterTest extends SearchTestBase {
private final QueryParser parser = new QueryParser( TestConstants.getTargetLuceneVersion(), "id", TestConstants.stopAnalyzer );
/**
* Name of the JGroups channel used in test
*/
public static final String CHANNEL_NAME = UUID.randomUUID().toString();
private JChannel channel;
@Test
public void testMessageSending() throws Exception {
assertEquals( 0, countByQuery( "logo:jboss" ) );
TShirt shirt = createObjectWithSQL();
List<LuceneWork> queue = createDocumentAndWorkQueue( shirt );
sendMessage( queue );
boolean failed = true;
for ( int i = 0; i < JGroupsCommonTest.MAX_WAITS; i++ ) {
Thread.sleep( JGroupsCommonTest.NETWORK_WAIT_MILLISECONDS );
if ( countByQuery( "logo:jboss" ) == 1 ) { //the condition we're waiting for
failed = false;
break; //enough time wasted
}
}
if ( failed ) {
Assert.fail( "Message not received after waiting for long!" );
}
}
private int countByQuery(String luceneQueryString) throws ParseException {
FullTextSession ftSess = Search.getFullTextSession( openSession() );
try {
ftSess.getTransaction().begin();
try {
Query luceneQuery = parser.parse( luceneQueryString );
org.hibernate.Query query = ftSess.createFullTextQuery( luceneQuery );
List result = query.list();
return result.size();
}
finally {
ftSess.getTransaction().commit();
}
}
finally {
ftSess.close();
}
}
private void prepareJGroupsChannel() throws Exception {
channel = new JChannel( ConfigurationParseHelper.locateConfig( "testing-flush-loopback.xml" ) );
channel.connect( CHANNEL_NAME );
}
private void sendMessage(List<LuceneWork> queue) throws Exception {
final String indexManagerName = "org.hibernate.search.test.jgroups.master.TShirt";
IndexManager indexManager = getSearchFactoryImpl().getIndexManagerHolder().getIndexManager( indexManagerName );
//send message to all listeners
byte[] data = indexManager.getSerializer().toSerializedModel( queue );
data = MessageSerializationHelper.prependString( indexManagerName, data );
Message message = new Message( null, null, data );
channel.send( message );
}
/**
* Manually create the work queue. This lists gets send by the Slaves to the Master for indexing.
*
* @param shirt The shirt to index
*
* @return A manually create <code>LuceneWork</code> list.
*/
private List<LuceneWork> createDocumentAndWorkQueue(TShirt shirt) {
Document doc = new Document();
Field field = new Field(
ProjectionConstants.OBJECT_CLASS, shirt.getClass().getName(), Field.Store.YES, Field.Index.NOT_ANALYZED
);
doc.add( field );
field = new Field( "id", "1", Field.Store.YES, Field.Index.NOT_ANALYZED );
doc.add( field );
field = new Field( "logo", shirt.getLogo(), Field.Store.NO, Field.Index.ANALYZED );
doc.add( field );
DoubleField numField = new DoubleField( "length", shirt.getLength(), Field.Store.NO );
doc.add( numField );
LuceneWork luceneWork = new AddLuceneWork(
shirt.getId(), String.valueOf( shirt.getId() ), shirt.getClass(), doc
);
List<LuceneWork> queue = new ArrayList<LuceneWork>();
queue.add( luceneWork );
return queue;
}
/**
* Create a test object and delete if from index.
*
* @return a <code>TShirt</code> test object.
*/
private TShirt createObjectWithSQL() {
Session s = openSession();
s.getTransaction().begin();
TShirt ts = new TShirt();
ts.setLogo( "JBoss balls" );
ts.setSize( "large" );
ts.setLength( 23.2d );
s.persist( ts );
s.getTransaction().commit();
FullTextSession fullTextSession = Search.getFullTextSession( s );
fullTextSession.beginTransaction();
fullTextSession.purge( TShirt.class, 1 );
fullTextSession.getTransaction().commit();
s.close();
return ts;
}
@Override
@Before
public void setUp() throws Exception {
prepareJGroupsChannel();
super.setUp();
}
@Override
@After
public void tearDown() throws Exception {
channel.close();
super.tearDown();
}
@Override
protected void configure(Configuration cfg) {
super.configure( cfg );
// JGroups configuration for master node
cfg.setProperty( "hibernate.search.default." + Environment.WORKER_BACKEND, "jgroupsMaster" );
cfg.setProperty( DispatchMessageSender.CLUSTER_NAME, CHANNEL_NAME );
cfg.setProperty( DispatchMessageSender.CONFIGURATION_FILE, "testing-flush-loopback.xml" );
}
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] {
TShirt.class
};
}
}