Package org.apache.lucene.search

Class DocAndFloatFeatureBuffer

java.lang.Object
org.apache.lucene.search.DocAndFloatFeatureBuffer
public final class DocAndFloatFeatureBuffer extends Object
Wrapper around parallel arrays storing doc IDs and their corresponding features, stored as Java floats. These features may be anything, but are typically a term frequency or a score.
NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    int[]
    docs
    Doc IDs
    float[]
    features
    Float-valued features
    int
    size
    Number of valid entries in the doc ID and float-valued feature arrays.

  • Constructor Summary

    Constructors
    Constructor
    Description
    DocAndFloatFeatureBuffer()
    Sole constructor.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    apply(Bits liveDocs)
    Remove entries from this buffer if their bit is unset in the given Bits.
    void
    growNoCopy(int minSize)
    Grow both arrays to ensure that they can store at least the given number of entries.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • docs

      public int[] docs
      Doc IDs

    • features

      public float[] features
      Float-valued features

    • size

      public int size
      Number of valid entries in the doc ID and float-valued feature arrays.

  • Constructor Details

    • DocAndFloatFeatureBuffer

      public DocAndFloatFeatureBuffer()
      Sole constructor.

  • Method Details

    • growNoCopy

      public void growNoCopy(int minSize)
      Grow both arrays to ensure that they can store at least the given number of entries.

    • apply

      public void apply(Bits liveDocs)
      Remove entries from this buffer if their bit is unset in the given Bits.