/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.search.backend.impl.jms;
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.util.logging.impl.Log;
import org.hibernate.search.SearchException;
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();
public static final String INDEX_NAME_JMS_PROPERTY = "HSearchIndexName";
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;
}
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 );
processor.prepareJMSTools();
QueueConnection cnn = null;
QueueSender sender;
QueueSession session;
try {
cnn = processor.getJMSFactory().createQueueConnection();
//TODO make transacted parameterized
session = cnn.createQueueSession( false, QueueSession.AUTO_ACKNOWLEDGE );
ObjectMessage message = session.createObjectMessage();
message.setObject( data );
message.setStringProperty( INDEX_NAME_JMS_PROPERTY, indexName );
sender = session.createSender( processor.getJmsQueue() );
sender.send( message );
session.close();
}
catch (JMSException e) {
throw new SearchException( "Unable to send Search work to JMS queue: " + processor.getJmsQueueName(), e );
}
finally {
try {
if (cnn != null)
cnn.close();
}
catch ( JMSException e ) {
log.unableToCloseJmsConnection( processor.getJmsQueueName(), e );
}
}
}
}