package org.infinispan.lucene.testutils;
import java.io.IOException;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.core.SimpleAnalyzer;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.LogByteSizeMergePolicy;
import org.apache.lucene.index.LogMergePolicy;
import org.apache.lucene.index.MergeScheduler;
import org.apache.lucene.index.SerialMergeScheduler;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.Version;
/**
* Collects common LuceneSettings for all tests; especially define the backwards compatibility.
*
* @author Sanne Grinovero
* @since 4.0
*/
public class LuceneSettings {
public static final Version LUCENE_VERSION = Version.LUCENE_36;
public static final Analyzer analyzer = new SimpleAnalyzer(LUCENE_VERSION);
private static final MergeScheduler mergeScheduler = new SerialMergeScheduler();
private LuceneSettings() {
//Not to be instantiated
}
public static IndexWriter openWriter(Directory directory, int maxMergeDocs, boolean useSerialMerger) throws IOException {
IndexWriterConfig indexWriterConfig = new IndexWriterConfig(LUCENE_VERSION, analyzer);
if (useSerialMerger) {
indexWriterConfig.setMergeScheduler(mergeScheduler);
}
LogMergePolicy mergePolicy = new LogByteSizeMergePolicy();
mergePolicy.setMaxMergeDocs(maxMergeDocs);
indexWriterConfig.setMergePolicy(mergePolicy);
return new IndexWriter(directory, indexWriterConfig);
}
public static IndexWriter openWriter(Directory directory, int maxMergeDocs) throws IOException {
return openWriter(directory, maxMergeDocs, false);
}
}