package org.infinispan.lucene.profiling;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.StringField;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.Directory;
import org.infinispan.lucene.testutils.LuceneSettings;
/**
* LuceneWriterThread is going to perform searches on the Directory until it's interrupted.
* Good for performance comparisons and stress tests.
* It needs a SharedState object to be shared with other readers and writers on the same directory to
* be able to throw exceptions in case it's able to detect an illegal state.
*
* @author Sanne Grinovero
* @since 4.0
*/
public class LuceneWriterThread extends LuceneUserThread {
LuceneWriterThread(Directory dir, SharedState state) {
super(dir, state);
}
@Override
protected void testLoop() throws IOException {
Set<String> strings = new HashSet<String>();
int numElements = state.stringsOutOfIndex.drainTo(strings, 5);
IndexWriter iwriter = LuceneSettings.openWriter(directory, 5000);
for (String term : strings) {
Document doc = new Document();
doc.add(new StringField("main", term, Store.NO));
iwriter.addDocument(doc);
}
iwriter.commit();
iwriter.close();
state.stringsInIndex.addAll(strings);
state.incrementIndexWriterTaskCount(numElements);
}
}