Class MultiStringFunction

  • Direct Known Subclasses:
    ConcatStringFunction

    public abstract class MultiStringFunction
    extends org.apache.lucene.queries.function.ValueSource
    Abstract ValueSource implementation which wraps multiple ValueSources and applies an extendible string function to their values.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected org.apache.lucene.queries.function.ValueSource[] sources  
    • Constructor Summary

      Constructors 
      Constructor Description
      MultiStringFunction​(org.apache.lucene.queries.function.ValueSource[] sources)  
    • Field Detail

      • sources

        protected final org.apache.lucene.queries.function.ValueSource[] sources
    • Constructor Detail

      • MultiStringFunction

        public MultiStringFunction​(org.apache.lucene.queries.function.ValueSource[] sources)
    • Method Detail

      • name

        protected abstract String name()
      • 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 context,
                                                                           org.apache.lucene.index.LeafReaderContext readerContext)
                                                                    throws IOException
        Specified by:
        getValues in class org.apache.lucene.queries.function.ValueSource
        Throws:
        IOException
      • equals

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

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