Class Lucene42NormsFormat

java.lang.Object
org.apache.lucene.codecs.NormsFormat
org.apache.lucene.codecs.lucene42.Lucene42NormsFormat

public class Lucene42NormsFormat extends NormsFormat
Lucene 4.2 score normalization format.

NOTE: this uses the same format as Lucene42DocValuesFormat Numeric DocValues, but with different file extensions, and passing PackedInts.FASTEST for uncompressed encoding: trading off space for performance.

Files:

  • .nvd: DocValues data
  • .nvm: DocValues metadata
See Also:
  • Constructor Details

    • Lucene42NormsFormat

      public Lucene42NormsFormat()
    • Lucene42NormsFormat

      public Lucene42NormsFormat(float acceptableOverheadRatio)
      Creates a new Lucene42DocValuesFormat with the specified acceptableOverheadRatio for NumericDocValues.
      Parameters:
      acceptableOverheadRatio - compression parameter for numerics. Currently this is only used when the number of unique values is small.
  • Method Details