Scorer
either iterates over documents matching a query,
/// or provides an explanation of the score for a query for a given document.
/// Similarity
implementation.
/// Similarity
implementation used by this scorer.
///
protected internal Scorer(Similarity similarity)
{
this.similarity = similarity;
}
/// Behaves as if written:
/// boolean skipTo(int target) { /// do { /// if (!next()) /// return false; /// } while (target > doc()); /// return true; /// } ///Most implementations are considerably more efficient than that. ///