/*
* 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.backend.jms.impl;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import javax.jms.JMSException;
import javax.jms.ObjectMessage;
import javax.jms.QueueConnection;
import javax.jms.QueueSender;
import javax.jms.QueueSession;
import org.hibernate.search.cfg.Environment;
import org.hibernate.search.util.logging.impl.Log;
import org.hibernate.search.backend.LuceneWork;
import org.hibernate.search.backend.OptimizeLuceneWork;
import org.hibernate.search.indexes.serialization.spi.LuceneWorkSerializer;
import org.hibernate.search.indexes.spi.IndexManager;
import org.hibernate.search.util.logging.impl.LoggerFactory;
/**
* @author Emmanuel Bernard
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2011 Red Hat Inc.
*/
public class JmsBackendQueueTask implements Runnable {
private static final Log log = LoggerFactory.make();
private final Collection<LuceneWork> queue;
private final JmsBackendQueueProcessor processor;
private final String indexName;
private final IndexManager indexManager;
public JmsBackendQueueTask(String indexName, Collection<LuceneWork> queue, IndexManager indexManager,
JmsBackendQueueProcessor jmsBackendQueueProcessor) {
this.indexName = indexName;
this.queue = queue;
this.indexManager = indexManager;
this.processor = jmsBackendQueueProcessor;
}
@Override
public void run() {
List<LuceneWork> filteredQueue = new ArrayList<LuceneWork>(queue);
for ( LuceneWork work : queue ) {
if ( work instanceof OptimizeLuceneWork ) {
//we don't want optimization to be propagated
filteredQueue.remove( work );
}
}
if ( filteredQueue.size() == 0 ) {
return;
}
LuceneWorkSerializer serializer = indexManager.getSerializer();
byte[] data = serializer.toSerializedModel( filteredQueue );
QueueSender sender;
QueueSession session;
QueueConnection connection;
try {
connection = processor.getJMSConnection();
//TODO make transacted parameterized
session = connection.createQueueSession( false, QueueSession.AUTO_ACKNOWLEDGE );
ObjectMessage message = session.createObjectMessage();
message.setObject( data );
message.setStringProperty( Environment.INDEX_NAME_JMS_PROPERTY, indexName );
sender = session.createSender( processor.getJmsQueue() );
sender.send( message );
session.close();
}
catch (JMSException e) {
throw log.unableToSendJMSWork( indexName, processor.getJmsQueueName(), e );
}
}
}