Package org.apache.lucene.queries.function.valuesource

Class QueryValueSource

java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.lucene.queries.function.valuesource.QueryValueSource
public class QueryValueSource extends ValueSource
QueryValueSource returns the relevance score of the query

  • Field Details

    • q

      final Query q

    • defVal

      final float defVal

  • Constructor Details

    • QueryValueSource

      public QueryValueSource(Query q, float defVal)

  • Method Details

    • getQuery

      public Query getQuery()

    • getDefaultValue

      public float getDefaultValue()

    • description

      public String description()
      Description copied from class: ValueSource
      description of field, used in explain()
      Specified by:
      description in class ValueSource

    • getValues

      public FunctionValues getValues(Map fcontext, LeafReaderContext readerContext) throws 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:
      IOException

    • hashCode

      public int hashCode()
      Specified by:
      hashCode in class ValueSource

    • equals

      public boolean equals(Object o)
      Specified by:
      equals in class ValueSource

    • createWeight

      public void createWeight(Map context, IndexSearcher searcher) throws IOException
      Description copied from class: ValueSource
      Implementations should propagate createWeight to sub-ValueSources which can optionally store weight info in the context. The context object will be passed to getValues() where this info can be retrieved.
      Overrides:
      createWeight in class ValueSource
      Throws:
      IOException