Package org.apache.lucene.facet.taxonomy

Class TaxonomyFacets

java.lang.Object
org.apache.lucene.facet.Facets
org.apache.lucene.facet.taxonomy.TaxonomyFacets
Direct Known Subclasses:
FloatTaxonomyFacets, IntTaxonomyFacets
@Deprecated public abstract class TaxonomyFacets extends Facets
Deprecated.
Visibility of this class will be reduced to pkg-private in a future version. This class is meant to host common code as an internal implementation detail to taxonomy faceting,and is not intended as an extension point for user-created Facets implementations. If your code is relying on this, please migrate necessary functionality down into your own class.
Base class for all taxonomy-based facets impls.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected final FacetsConfig
    config
    Deprecated.
    FacetsConfig provided to the constructor.
    protected final String
    indexFieldName
    Deprecated.
    Index field name provided to the constructor.
    protected final int[]
    parents
    Deprecated.
    Maps an ordinal to its parent, or -1 if there is no parent (root node).
    protected final TaxonomyReader
    taxoReader
    Deprecated.
    TaxonomyReader provided to the constructor.

  • Constructor Summary

    Constructors
    Modifier
    Constructor
    Description
    protected
    TaxonomyFacets(String indexFieldName, TaxonomyReader taxoReader, FacetsConfig config)
    Deprecated.
    Sole constructor.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    childrenLoaded()
    Deprecated.
    Returns true if the (costly, and lazily initialized) children int[] was initialized.
    List<FacetResult>
    getAllDims(int topN)
    Deprecated.
    Returns topN labels for any dimension that had hits, sorted by the number of hits that dimension matched; this is used for "sparse" faceting, where many different dimensions were indexed, for example depending on the type of document.
    protected int[]
    getChildren()
    Deprecated.
    Returns int[] mapping each ordinal to its first child; this is a large array and is computed (and then saved) the first time this method is invoked.
    protected int[]
    getSiblings()
    Deprecated.
    Returns int[] mapping each ordinal to its next sibling; this is a large array and is computed (and then saved) the first time this method is invoked.
    boolean
    siblingsLoaded()
    Deprecated.
    Returns true if the (costly, and lazily initialized) sibling int[] was initialized.
    protected FacetsConfig.DimConfig
    verifyDim(String dim)
    Deprecated.
    Verifies and returns FacetsConfig.DimConfig for the given dimension name.

    Methods inherited from class org.apache.lucene.facet.Facets

    getSpecificValue, getTopChildren

    Methods inherited from class java.lang.Object

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

  • Field Details

    • indexFieldName

      protected final String indexFieldName
      Deprecated.
      Index field name provided to the constructor.

    • taxoReader

      protected final TaxonomyReader taxoReader
      Deprecated.
      TaxonomyReader provided to the constructor.

    • config

      protected final FacetsConfig config
      Deprecated.
      FacetsConfig provided to the constructor.

    • parents

      protected final int[] parents
      Deprecated.
      Maps an ordinal to its parent, or -1 if there is no parent (root node).

  • Constructor Details

  • Method Details

    • getChildren

      protected int[] getChildren() throws IOException
      Deprecated.
      Returns int[] mapping each ordinal to its first child; this is a large array and is computed (and then saved) the first time this method is invoked.
      Throws:
      IOException

    • getSiblings

      protected int[] getSiblings() throws IOException
      Deprecated.
      Returns int[] mapping each ordinal to its next sibling; this is a large array and is computed (and then saved) the first time this method is invoked.
      Throws:
      IOException

    • childrenLoaded

      public boolean childrenLoaded()
      Deprecated.
      Returns true if the (costly, and lazily initialized) children int[] was initialized.
      WARNING: This API is experimental and might change in incompatible ways in the next release.

    • siblingsLoaded

      public boolean siblingsLoaded()
      Deprecated.
      Returns true if the (costly, and lazily initialized) sibling int[] was initialized.
      WARNING: This API is experimental and might change in incompatible ways in the next release.

    • verifyDim

      protected FacetsConfig.DimConfig verifyDim(String dim)
      Deprecated.
      Verifies and returns FacetsConfig.DimConfig for the given dimension name.
      Returns:
      FacetsConfig.DimConfig for the given dim, or FacetsConfig.DEFAULT_DIM_CONFIG if it was never manually configured.
      Throws:
      IllegalArgumentException - if the provided dimension was manually configured, but its FacetsConfig.DimConfig.indexFieldName does not match indexFieldName.

    • getAllDims

      public List<FacetResult> getAllDims(int topN) throws IOException
      Deprecated.
      Description copied from class: Facets
      Returns topN labels for any dimension that had hits, sorted by the number of hits that dimension matched; this is used for "sparse" faceting, where many different dimensions were indexed, for example depending on the type of document.
      Specified by:
      getAllDims in class Facets
      Throws:
      IOException