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();
}
}