Class TermQuery

  • public class TermQuery
    extends Query
    A Query that matches documents containing a term. This may be combined with other terms with a BooleanQuery.
    • Constructor Detail

      • TermQuery

        public TermQuery​(Term t)
        Constructs a query for the term t.
      • TermQuery

        public TermQuery​(Term t,
                         TermStates states)
        Expert: constructs a TermQuery that will use the provided docFreq instead of looking up the docFreq against the searcher.
    • Method Detail

      • getTerm

        public Term getTerm()
        Returns the term of this query.
      • createWeight

        public Weight createWeight​(IndexSearcher searcher,
                                   ScoreMode scoreMode,
                                   float boost)
                            throws IOException
        Description copied from class: Query
        Expert: Constructs an appropriate Weight implementation for this query.

        Only implemented by primitive queries, which re-write to themselves.

        createWeight in class Query
        scoreMode - How the produced scorers will be consumed.
        boost - The boost that is propagated by the parent queries.
      • visit

        public void visit​(QueryVisitor visitor)
        Description copied from class: Query
        Recurse through the query tree, visiting any child queries.
        Specified by:
        visit in class Query
        visitor - a QueryVisitor to be called by each query in the tree
      • toString

        public String toString​(String field)
        Prints a user-readable version of this query.
        Specified by:
        toString in class Query
      • getTermStates

        public TermStates getTermStates()
        Returns the TermStates passed to the constructor, or null if it was not passed.
        WARNING: This API is experimental and might change in incompatible ways in the next release.
      • hashCode

        public int hashCode()
        Description copied from class: Query
        Override and implement query hash code properly in a subclass. This is required so that QueryCache works properly.
        Specified by:
        hashCode in class Query
        See Also: