/// <summary>
/// Creates a normalized weight for a top-level <see cref="Query"/>.
/// The query is rewritten by this method and <see cref="Query.CreateWeight(IndexSearcher)"/> called,
/// afterwards the <see cref="Weight"/> is normalized. The returned <see cref="Weight"/>
/// can then directly be used to get a <see cref="Scorer"/>.
/// <para/>
/// @lucene.internal
/// </summary>
public virtual Weight CreateNormalizedWeight(Query query)
{
query = Rewrite(query);
Weight weight = query.CreateWeight(this);
float v = weight.GetValueForNormalization();
float norm = Similarity.QueryNorm(v);
if (float.IsInfinity(norm) || float.IsNaN(norm))
{
norm = 1.0f;
}
weight.Normalize(norm, 1.0f);
return(weight);
}
public override float QueryNorm(float sumOfSquaredWeights)
{
return(@delegate.QueryNorm(sumOfSquaredWeights));
}
