Class JoinDocFreqValueSource


  • public class JoinDocFreqValueSource
    extends FieldCacheSource
    Use a field value and find the Document Frequency within another field.
    Since:
    solr 4.0
    • Field Detail

      • qfield

        protected final java.lang.String qfield
    • Constructor Detail

      • JoinDocFreqValueSource

        public JoinDocFreqValueSource​(java.lang.String field,
                                      java.lang.String qfield)
    • Method Detail

      • getValues

        public FunctionValues getValues​(java.util.Map<java.lang.Object,​java.lang.Object> context,
                                        LeafReaderContext readerContext)
                                 throws java.io.IOException
        Description copied from class: ValueSource
        Gets the values for this reader and the context that was previously passed to createWeight(). The values must be consumed in a forward docID manner, and you must call this method again to iterate through the values again.
        Specified by:
        getValues in class ValueSource
        Throws:
        java.io.IOException