Lucene.Net.Search.IndexSearcher.SearchWithFilter C# (CSharp) Méthode

		private void  SearchWithFilter(IndexReader reader, Weight weight, Filter filter, Collector collector)
		{
			
			System.Diagnostics.Debug.Assert(filter != null);
			
			Scorer scorer = weight.Scorer(reader, true, false);
			if (scorer == null)
			{
				return ;
			}
			
			int docID = scorer.DocID();
			System.Diagnostics.Debug.Assert(docID == - 1 || docID == DocIdSetIterator.NO_MORE_DOCS);
			
			// CHECKME: use ConjunctionScorer here?
			DocIdSet filterDocIdSet = filter.GetDocIdSet(reader);
			if (filterDocIdSet == null)
			{
				// this means the filter does not accept any documents.
				return ;
			}
			
			DocIdSetIterator filterIter = filterDocIdSet.Iterator();
			if (filterIter == null)
			{
				// this means the filter does not accept any documents.
				return ;
			}
			int filterDoc = filterIter.NextDoc();
			int scorerDoc = scorer.Advance(filterDoc);
			
			collector.SetScorer(scorer);
			while (true)
			{
				if (scorerDoc == filterDoc)
				{
					// Check if scorer has exhausted, only before collecting.
					if (scorerDoc == DocIdSetIterator.NO_MORE_DOCS)
					{
						break;
					}
					collector.Collect(scorerDoc);
					filterDoc = filterIter.NextDoc();
					scorerDoc = scorer.Advance(filterDoc);
				}
				else if (scorerDoc > filterDoc)
				{
					filterDoc = filterIter.Advance(scorerDoc);
				}
				else
				{
					scorerDoc = scorer.Advance(filterDoc);
				}
			}
		}