SlowCodecReaderWrapper

java.lang.Object

org.apache.lucene.index.SlowCodecReaderWrapper

public final class SlowCodecReaderWrapper extends Object

Wraps arbitrary readers for merging. Note that this can cause slow and memory-intensive merges. Consider using FilterCodecReader instead.

Constructor Summary

Constructors

Modifier

Constructor

Description

private

SlowCodecReaderWrapper()

No instantiation
Method Summary

Modifier and Type

Method

Description

private static PointsReader

pointValuesToReader(LeafReader reader)

private static DocValuesProducer

readerToDocValuesProducer(LeafReader reader)

private static FieldsProducer

readerToFieldsProducer(LeafReader reader)

private static NormsProducer

readerToNormsProducer(LeafReader reader)

private static StoredFieldsReader

readerToStoredFieldsReader(LeafReader reader)

private static TermVectorsReader

readerToTermVectorsReader(LeafReader reader)

private static KnnVectorsReader

readerToVectorReader(LeafReader reader)

static CodecReader

wrap(LeafReader reader)

Returns a CodecReader view of reader.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- SlowCodecReaderWrapper
  
  private SlowCodecReaderWrapper()
  
  No instantiation
Method Details
- wrap
  
  public static CodecReader wrap(LeafReader reader) throws IOException
  
  Returns a CodecReader view of reader.
  If reader is already a CodecReader, it is returned directly. Otherwise, a (slow) view is returned.
  
  Throws:
  
  IOException
- pointValuesToReader
  
  private static PointsReader pointValuesToReader(LeafReader reader)
- readerToVectorReader
  
  private static KnnVectorsReader readerToVectorReader(LeafReader reader)
- readerToNormsProducer
  
  private static NormsProducer readerToNormsProducer(LeafReader reader)
- readerToDocValuesProducer
  
  private static DocValuesProducer readerToDocValuesProducer(LeafReader reader)
- readerToStoredFieldsReader
  
  private static StoredFieldsReader readerToStoredFieldsReader(LeafReader reader)
- readerToTermVectorsReader
  
  private static TermVectorsReader readerToTermVectorsReader(LeafReader reader)
- readerToFieldsProducer
  
  private static FieldsProducer readerToFieldsProducer(LeafReader reader) throws IOException
  
  Throws:
  
  IOException