Examples of org.apache.lucene.index.SegmentNorms

  public void testNormsClose() throws IOException { 
    Directory dir1 = newDirectory(); 
    TestIndexReaderReopen.createIndex(random, dir1, false);
    SegmentReader reader1 = SegmentReader.getOnlySegmentReader(dir1);
    reader1.norms("field1");
    SegmentNorms r1norm = reader1.norms.get("field1");
    AtomicInteger r1BytesRef = r1norm.bytesRef();
    SegmentReader reader2 = (SegmentReader)reader1.clone();
    assertEquals(2, r1norm.bytesRef().get());
    reader1.close();
    assertEquals(1, r1BytesRef.get());
    reader2.norms("field1");
    reader2.close();
    dir1.close();

    IndexReader reader1 = IndexReader.open(dir1, false);
        
    IndexReader reader2C = (IndexReader) reader1.clone();
    SegmentReader segmentReader2C = SegmentReader.getOnlySegmentReader(reader2C);
    segmentReader2C.norms("field1"); // load the norms for the field
    SegmentNorms reader2CNorm = segmentReader2C.norms.get("field1");
    assertTrue("reader2CNorm.bytesRef()=" + reader2CNorm.bytesRef(), reader2CNorm.bytesRef().get() == 2);
    
    
    
    IndexReader reader3C = (IndexReader) reader2C.clone();
    SegmentReader segmentReader3C = SegmentReader.getOnlySegmentReader(reader3C);
    SegmentNorms reader3CCNorm = segmentReader3C.norms.get("field1");
    assertEquals(3, reader3CCNorm.bytesRef().get());
    
    // edit a norm and the refcount should be 1
    IndexReader reader4C = (IndexReader) reader3C.clone();
    SegmentReader segmentReader4C = SegmentReader.getOnlySegmentReader(reader4C);
    assertEquals(4, reader3CCNorm.bytesRef().get());
    reader4C.setNorm(5, "field1", 0.33f);
    
    // generate a cannot update exception in reader1
    try {
      reader3C.setNorm(1, "field1", 0.99f);
      fail("did not hit expected exception");
    } catch (Exception ex) {
      // expected
    }
    
    // norm values should be different 
    assertTrue(Similarity.getDefault().decodeNormValue(segmentReader3C.norms("field1")[5]) 
        != Similarity.getDefault().decodeNormValue(segmentReader4C.norms("field1")[5]));
    SegmentNorms reader4CCNorm = segmentReader4C.norms.get("field1");
    assertEquals(3, reader3CCNorm.bytesRef().get());
    assertEquals(1, reader4CCNorm.bytesRef().get());
        
    IndexReader reader5C = (IndexReader) reader4C.clone();
    SegmentReader segmentReader5C = SegmentReader.getOnlySegmentReader(reader5C);
    SegmentNorms reader5CCNorm = segmentReader5C.norms.get("field1");
    reader5C.setNorm(5, "field1", 0.7f);
    assertEquals(1, reader5CCNorm.bytesRef().get());


    reader5C.close();
    reader4C.close();
    reader3C.close();
    reader2C.close();

        .clone();
    assertDelDocsRefCountEquals(2, origSegmentReader);
    origSegmentReader.close();
    assertDelDocsRefCountEquals(1, origSegmentReader);
    // check the norm refs
    SegmentNorms norm = clonedSegmentReader.norms.get("field1");
    assertEquals(1, norm.bytesRef().get());
    clonedSegmentReader.close();
    dir1.close();
  }

Examples of org.apache.lucene.index.SegmentNorms

Related Classes of org.apache.lucene.index.SegmentNorms