public void AddToNonSelected(FacetMatch match)
{
if (NonSelectedMatches.Count >= _facetFieldInfoToCalculateFor.MaxToFetchExcludingSelections)
{
if (match.Count < MinCountForNonSelected)
return;
if (match.Count > MinCountForNonSelected)
{
//Remove tail if possible
while (true)
{
var allWithMinCount = NonSelectedMatches.Where(x => x.Count == MinCountForNonSelected).ToList();
if (allWithMinCount.Count == 0)
break;
var countWhenAddingThisAndRemovingMin = NonSelectedMatches.Count - allWithMinCount.Count + 1;
if (countWhenAddingThisAndRemovingMin >= _facetFieldInfoToCalculateFor.MaxToFetchExcludingSelections)
{
allWithMinCount.ForEach(x => NonSelectedMatches.Remove(x));
MinCountForNonSelected = NonSelectedMatches.Min(x => x.Count);
}
else
{
break;
}
}
}
}
MinCountForNonSelected = MinCountForNonSelected == 0 ? match.Count : Math.Min(MinCountForNonSelected, match.Count);
NonSelectedMatches.Add(match);
}
private IEnumerable <FacetMatch> FindMatchesInQuery(Query baseQueryWithoutFacetDrilldown, IList <FacetFieldInfo> allFacetFieldInfos, FacetFieldInfo facetFieldInfoToCalculateFor)
{
var calculations = 0;
var queryFilter = new CachingWrapperFilter(new QueryWrapperFilter(CreateFacetedQuery(baseQueryWithoutFacetDrilldown, allFacetFieldInfos, facetFieldInfoToCalculateFor.FieldName)));
var bitsQueryWithoutFacetDrilldown = new OpenBitSetDISI(queryFilter.GetDocIdSet(IndexReader).Iterator(), IndexReader.MaxDoc);
var baseQueryWithoutFacetDrilldownCopy = new OpenBitSetDISI(bitsQueryWithoutFacetDrilldown.Bits.Length)
{
Bits = new long[bitsQueryWithoutFacetDrilldown.Bits.Length]
};
var calculatedFacetCounts = new ResultCollection(facetFieldInfoToCalculateFor);
foreach (var facetValueBitSet in GetOrCreateFacetBitSet(facetFieldInfoToCalculateFor.FieldName).FacetValueBitSetList)
{
var isSelected = calculatedFacetCounts.IsSelected(facetValueBitSet.Value);
if (!isSelected && facetValueBitSet.Count < calculatedFacetCounts.MinCountForNonSelected) //Impossible to get a better result
{
if (calculatedFacetCounts.HaveEnoughResults)
{
break;
}
}
bitsQueryWithoutFacetDrilldown.Bits.CopyTo(baseQueryWithoutFacetDrilldownCopy.Bits, 0);
baseQueryWithoutFacetDrilldownCopy.NumWords = bitsQueryWithoutFacetDrilldown.NumWords;
var bitset = facetValueBitSet.Bitset ?? CalculateOpenBitSetDisi(facetFieldInfoToCalculateFor.FieldName, facetValueBitSet.Value);
baseQueryWithoutFacetDrilldownCopy.And(bitset);
var count = baseQueryWithoutFacetDrilldownCopy.Cardinality();
if (count == 0)
{
continue;
}
var match = new FacetMatch
{
Count = count,
Value = facetValueBitSet.Value,
FacetFieldName = facetFieldInfoToCalculateFor.FieldName
};
calculations++;
if (isSelected)
{
calculatedFacetCounts.AddToSelected(match);
}
else
{
calculatedFacetCounts.AddToNonSelected(match);
}
}
return(calculatedFacetCounts.GetList());
}
public void AddToNonSelected(FacetMatch match)
{
if (NonSelectedMatches.Count >= _facetFieldInfoToCalculateFor.MaxToFetchExcludingSelections)
{
if (match.Count < MinCountForNonSelected)
{
return;
}
if (match.Count > MinCountForNonSelected)
{
//Remove tail if possible
while (true)
{
var allWithMinCount = NonSelectedMatches.Where(x => x.Count == MinCountForNonSelected).ToList();
if (allWithMinCount.Count == 0)
{
break;
}
var countWhenAddingThisAndRemovingMin = NonSelectedMatches.Count - allWithMinCount.Count + 1;
if (countWhenAddingThisAndRemovingMin >= _facetFieldInfoToCalculateFor.MaxToFetchExcludingSelections)
{
allWithMinCount.ForEach(x => NonSelectedMatches.Remove(x));
MinCountForNonSelected = NonSelectedMatches.Min(x => x.Count);
}
else
{
break;
}
}
}
}
MinCountForNonSelected = MinCountForNonSelected == 0 ? match.Count : Math.Min(MinCountForNonSelected, match.Count);
NonSelectedMatches.Add(match);
}
public void AddToSelected(FacetMatch match)
{
SelectedMatches.Add(match);
_uncalculatedSelectedCount--;
}
private IEnumerable<FacetMatch> FindMatchesInQuery(Query baseQueryWithoutFacetDrilldown, IList<FacetFieldInfo> allFacetFieldInfos, FacetFieldInfo facetFieldInfoToCalculateFor)
{
var calculations = 0;
var queryFilter = new CachingWrapperFilter(new QueryWrapperFilter(CreateFacetedQuery(baseQueryWithoutFacetDrilldown, allFacetFieldInfos, facetFieldInfoToCalculateFor.FieldName)));
var bitsQueryWithoutFacetDrilldown = new OpenBitSetDISI(queryFilter.GetDocIdSet(IndexReader).Iterator(), IndexReader.MaxDoc);
var baseQueryWithoutFacetDrilldownCopy = new OpenBitSetDISI(bitsQueryWithoutFacetDrilldown.Bits.Length)
{
Bits = new long[bitsQueryWithoutFacetDrilldown.Bits.Length]
};
var calculatedFacetCounts = new ResultCollection(facetFieldInfoToCalculateFor);
foreach (var facetValueBitSet in GetOrCreateFacetBitSet(facetFieldInfoToCalculateFor.FieldName).FacetValueBitSetList)
{
var isSelected = calculatedFacetCounts.IsSelected(facetValueBitSet.Value);
if (!isSelected && facetValueBitSet.Count < calculatedFacetCounts.MinCountForNonSelected) //Impossible to get a better result
{
if (calculatedFacetCounts.HaveEnoughResults)
break;
}
bitsQueryWithoutFacetDrilldown.Bits.CopyTo(baseQueryWithoutFacetDrilldownCopy.Bits, 0);
baseQueryWithoutFacetDrilldownCopy.NumWords = bitsQueryWithoutFacetDrilldown.NumWords;
var bitset = facetValueBitSet.Bitset ?? CalculateOpenBitSetDisi(facetFieldInfoToCalculateFor.FieldName, facetValueBitSet.Value);
baseQueryWithoutFacetDrilldownCopy.And(bitset);
var count = baseQueryWithoutFacetDrilldownCopy.Cardinality();
if (count == 0)
continue;
var match = new FacetMatch
{
Count = count,
Value = facetValueBitSet.Value,
FacetFieldName = facetFieldInfoToCalculateFor.FieldName
};
calculations++;
if (isSelected)
calculatedFacetCounts.AddToSelected(match);
else
calculatedFacetCounts.AddToNonSelected(match);
}
return calculatedFacetCounts.GetList();
}
public void AddToSelected(FacetMatch match)
{
SelectedMatches.Add(match);
_uncalculatedSelectedCount--;
}