Class DefFunction

  • public class DefFunction
    extends MultiFunction
    ValueSource implementation which only returns the values from the provided ValueSources which are available for a particular docId. Consequently, when combined with a ConstValueSource, this function serves as a way to return a default value when the values for a field are unavailable.
    • Constructor Detail

      • DefFunction

        public DefFunction​(java.util.List<ValueSource> sources)
    • Method Detail

      • getValues

        public FunctionValues getValues​(java.util.Map fcontext,
                                        AtomicReaderContext readerContext)
        Description copied from class: ValueSource
        Gets the values for this reader and the context that was previously passed to createWeight()
        Specified by:
        getValues in class ValueSource