Package org.apache.solr.search.function

Class DualDoubleFunction

java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.solr.search.function.DualDoubleFunction
public abstract class DualDoubleFunction extends org.apache.lucene.queries.function.ValueSource
Abstract ValueSource implementation which wraps two ValueSources and applies an extendible double function to their values.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected final org.apache.lucene.queries.function.ValueSource
    a
     
    protected final org.apache.lucene.queries.function.ValueSource
    b
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    DualDoubleFunction(org.apache.lucene.queries.function.ValueSource a, org.apache.lucene.queries.function.ValueSource b)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    createWeight(Map<Object,Object> context, org.apache.lucene.search.IndexSearcher searcher)
     
    String
    description()
     
    boolean
    equals(Object o)
     
    protected abstract double
    func(int doc, org.apache.lucene.queries.function.FunctionValues aVals, org.apache.lucene.queries.function.FunctionValues bVals)
     
    org.apache.lucene.queries.function.FunctionValues
    getValues(Map<Object,Object> context, org.apache.lucene.index.LeafReaderContext readerContext)
     
    int
    hashCode()
     
    protected abstract String
    name()
     

    Methods inherited from class org.apache.lucene.queries.function.ValueSource

    asDoubleValuesSource, asLongValuesSource, fromDoubleValuesSource, getSortField, newContext, toString

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Field Details

    • a

      protected final org.apache.lucene.queries.function.ValueSource a

    • b

      protected final org.apache.lucene.queries.function.ValueSource b

  • Constructor Details

    • DualDoubleFunction

      public DualDoubleFunction(org.apache.lucene.queries.function.ValueSource a, org.apache.lucene.queries.function.ValueSource b)
      Parameters:
      a - the base.
      b - the exponent.

  • Method Details

    • name

      protected abstract String name()

    • func

      protected abstract double func(int doc, org.apache.lucene.queries.function.FunctionValues aVals, org.apache.lucene.queries.function.FunctionValues bVals) throws IOException
      Throws:
      IOException

    • description

      public String description()
      Specified by:
      description in class org.apache.lucene.queries.function.ValueSource

    • getValues

      public org.apache.lucene.queries.function.FunctionValues getValues(Map<Object,Object> context, org.apache.lucene.index.LeafReaderContext readerContext) throws IOException
      Specified by:
      getValues in class org.apache.lucene.queries.function.ValueSource
      Throws:
      IOException

    • createWeight

      public void createWeight(Map<Object,Object> context, org.apache.lucene.search.IndexSearcher searcher) throws IOException
      Overrides:
      createWeight in class org.apache.lucene.queries.function.ValueSource
      Throws:
      IOException

    • hashCode

      public int hashCode()
      Specified by:
      hashCode in class org.apache.lucene.queries.function.ValueSource

    • equals

      public boolean equals(Object o)
      Specified by:
      equals in class org.apache.lucene.queries.function.ValueSource