/*
* JBoss, Home of Professional Open Source
* Copyright 2012 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.infinispan.query.impl.massindex;
import org.hibernate.search.backend.LuceneWork;
import org.hibernate.search.spi.SearchFactoryIntegrator;
import org.infinispan.AdvancedCache;
import org.infinispan.distexec.mapreduce.MapReduceTask;
import org.infinispan.query.MassIndexer;
import org.infinispan.query.backend.QueryInterceptor;
import org.infinispan.query.impl.ComponentRegistryUtils;
/**
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2012 Red Hat Inc.
*/
public class MapReduceMassIndexer implements MassIndexer {
private final AdvancedCache<Object, Object> cache;
public MapReduceMassIndexer(AdvancedCache cache, SearchFactoryIntegrator searchFactory) {
this.cache = cache;
}
@Override
public void start() {
wipeExistingIndexes();
new MapReduceTask<Object, Object, Object, LuceneWork>(cache)
.mappedWith(new IndexingMapper())
.reducedWith(new IndexingReducer())
.execute();
}
private void wipeExistingIndexes() {
QueryInterceptor queryInterceptor = ComponentRegistryUtils.getQueryInterceptor(cache);
queryInterceptor.purgeAllIndexes();
}
}