/// <summary>
/// <seealso cref="Query.Rewrite(IndexReader)"/>
/// </summary>
public override Query Rewrite(IndexReader reader)
{
CustomScoreQuery clone = null;
Query sq = subQuery.Rewrite(reader);
if (sq != subQuery)
{
clone = (CustomScoreQuery)Clone();
clone.subQuery = sq;
}
for (int i = 0; i < scoringQueries.Length; i++)
{
Query v = scoringQueries[i].Rewrite(reader);
if (v != scoringQueries[i])
{
if (clone == null)
{
clone = (CustomScoreQuery)Clone();
}
clone.scoringQueries[i] = v;
}
}
return(clone ?? this);
}
private readonly float[] vScores; // reused in score() to avoid allocating this array for each doc
// constructor
internal CustomScorer(CustomScoreQuery outerInstance, CustomScoreProvider provider, CustomWeight w,
float qWeight, Scorer subQueryScorer, Scorer[] valSrcScorers)
: base(w)
{
this.outerInstance = outerInstance;
this.qWeight = qWeight;
this.subQueryScorer = subQueryScorer;
this.valSrcScorers = valSrcScorers;
this.vScores = new float[valSrcScorers.Length];
this.provider = provider;
}
public CustomWeight(CustomScoreQuery outerInstance, IndexSearcher searcher)
{
this.outerInstance = outerInstance;
this.subQueryWeight = outerInstance.subQuery.CreateWeight(searcher);
this.valSrcWeights = new Weight[outerInstance.scoringQueries.Length];
for (int i = 0; i < outerInstance.scoringQueries.Length; i++)
{
this.valSrcWeights[i] = outerInstance.scoringQueries[i].CreateWeight(searcher);
}
this.qStrict = outerInstance.strict;
}
