Package org.apache.lucene.index

Examples of org.apache.lucene.index.LogDocMergePolicy

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// for now we do termqueries.
public class TestPerFieldPostingsFormat2 extends LuceneTestCase {

  private IndexWriter newWriter(Directory dir, IndexWriterConfig conf)
      throws IOException {
    LogDocMergePolicy logByteSizeMergePolicy = new LogDocMergePolicy();
    logByteSizeMergePolicy.setNoCFSRatio(0.0); // make sure we use plain
    // files
    conf.setMergePolicy(logByteSizeMergePolicy);

    final IndexWriter writer = new IndexWriter(dir, conf);
    return writer;
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  public static AlcoholicMergePolicy newAlcoholicMergePolicy(Random r, TimeZone tz) {
    return new AlcoholicMergePolicy(tz, new Random(r.nextLong()));
  }

  public static LogMergePolicy newLogMergePolicy(Random r) {
    LogMergePolicy logmp = r.nextBoolean() ? new LogDocMergePolicy() : new LogByteSizeMergePolicy();
    logmp.setCalibrateSizeByDeletes(r.nextBoolean());
    if (rarely(r)) {
      logmp.setMergeFactor(TestUtil.nextInt(r, 2, 9));
    } else {
      logmp.setMergeFactor(TestUtil.nextInt(r, 10, 50));
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    dir.close();
  }

  public void testAdvanceSingleParentNoChild() throws Exception {
    Directory dir = newDirectory();
    RandomIndexWriter w = new RandomIndexWriter(random, dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMergePolicy(new LogDocMergePolicy()));
    Document parentDoc = new Document();
    parentDoc.add(newField("parent", "1", Field.Store.NO, Field.Index.NOT_ANALYZED));
    parentDoc.add(newField("isparent", "yes", Field.Store.NO, Field.Index.NOT_ANALYZED));
    w.addDocuments(Arrays.asList(parentDoc));
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  /** create a new index writer config with random defaults using the specified random */
  public static IndexWriterConfig newIndexWriterConfig(Random r, Version v, Analyzer a) {
    IndexWriterConfig c = new IndexWriterConfig(v, a);
    if (r.nextBoolean()) {
      c.setMergePolicy(new LogDocMergePolicy());
    }
    if (r.nextBoolean()) {
      c.setMergeScheduler(new SerialMergeScheduler());
    }
    if (r.nextBoolean()) {
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  public static LogMergePolicy newLogMergePolicy() {
    return newLogMergePolicy(random);
  }

  public static LogMergePolicy newLogMergePolicy(Random r) {
    LogMergePolicy logmp = r.nextBoolean() ? new LogDocMergePolicy() : new LogByteSizeMergePolicy();
    logmp.setUseCompoundFile(r.nextBoolean());
    logmp.setCalibrateSizeByDeletes(r.nextBoolean());
    if (r.nextInt(3) == 2) {
      logmp.setMergeFactor(2);
    } else {
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  public static TieredMergePolicy newTieredMergePolicy() {
    return newTieredMergePolicy(random);
  }

  public static LogMergePolicy newLogMergePolicy(Random r) {
    LogMergePolicy logmp = r.nextBoolean() ? new LogDocMergePolicy() : new LogByteSizeMergePolicy();
    logmp.setUseCompoundFile(r.nextBoolean());
    logmp.setCalibrateSizeByDeletes(r.nextBoolean());
    if (r.nextInt(3) == 2) {
      logmp.setMergeFactor(2);
    } else {
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             * FSDirectory.open(getIndexDirectory( ))
             */
            // isInitialized
            /* writer */
            IndexWriterConfig indexWriterConfig = new IndexWriterConfig(Version.LUCENE_34, analyzer);
            LogDocMergePolicy logDocMergePolicy = new LogDocMergePolicy();
            logDocMergePolicy.setMergeFactor(1000);
            indexWriterConfig.setMergePolicy(logDocMergePolicy);
            w = new IndexWriter(index, indexWriterConfig);
            w.getConfig().setRAMBufferSizeMB(32);
        }
        catch (Exception e)
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            w.deleteDocuments(q);
            w.commit();
            w.close();
            IndexWriterConfig indexWriterConfig = new IndexWriterConfig(Version.LUCENE_34, analyzer);
            LogDocMergePolicy logDocMergePolicy = new LogDocMergePolicy();
            logDocMergePolicy.setMergeFactor(1000);
            indexWriterConfig.setMergePolicy(logDocMergePolicy);
            w = new IndexWriter(index, indexWriterConfig);

            w.getConfig().setRAMBufferSizeMB(32);
            // flushInternal();
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  public static TieredMergePolicy newTieredMergePolicy() {
    return newTieredMergePolicy(random);
  }

  public static LogMergePolicy newLogMergePolicy(Random r) {
    LogMergePolicy logmp = r.nextBoolean() ? new LogDocMergePolicy() : new LogByteSizeMergePolicy();
    logmp.setUseCompoundFile(r.nextBoolean());
    logmp.setCalibrateSizeByDeletes(r.nextBoolean());
    if (rarely(r)) {
      logmp.setMergeFactor(_TestUtil.nextInt(r, 2, 4));
    } else {
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  /** create a new index writer config with random defaults using the specified random */
  public static IndexWriterConfig newIndexWriterConfig(Random r, Version v, Analyzer a) {
    IndexWriterConfig c = new IndexWriterConfig(v, a);
    if (r.nextBoolean()) {
      c.setMergePolicy(new LogDocMergePolicy());
    }
    if (r.nextBoolean()) {
      c.setMergeScheduler(new SerialMergeScheduler());
    }
    if (r.nextBoolean()) {
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Related Classes of org.apache.lucene.index.LogDocMergePolicy

  • com.impetus.kundera.index.LuceneIndexer
  • org.apache.jackrabbit.core.query.lucene.AbstractIndex
  • org.apache.lucene.codecs.perfield.TestPerFieldPostingsFormat2
  • org.apache.lucene.search.TestBlockJoin
  • org.apache.lucene.util.LuceneTestCase
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