public override TermsEnum GetEnumerator()
{
return(docTermOrds.GetTermsEnum());
}
public override TermsEnum GetIterator(TermsEnum reuse)
{
return(docTermOrds.GetTermsEnum());
}
public override void SetNextReader(AtomicReaderContext context)
{
if (m_segmentFacetCounts != null)
{
m_segmentResults.Add(CreateSegmentResult());
}
groupFieldTermsIndex = FieldCache.DEFAULT.GetTermsIndex(context.AtomicReader, m_groupField);
facetFieldDocTermOrds = FieldCache.DEFAULT.GetDocTermOrds(context.AtomicReader, m_facetField);
facetFieldNumTerms = (int)facetFieldDocTermOrds.ValueCount;
if (facetFieldNumTerms == 0)
{
facetOrdTermsEnum = null;
}
else
{
facetOrdTermsEnum = facetFieldDocTermOrds.GetTermsEnum();
}
// [facetFieldNumTerms() + 1] for all possible facet values and docs not containing facet field
m_segmentFacetCounts = new int[facetFieldNumTerms + 1];
m_segmentTotalCount = 0;
segmentGroupedFacetHits.Clear();
foreach (GroupedFacetHit groupedFacetHit in groupedFacetHits)
{
int groupOrd = groupedFacetHit.groupValue == null ? -1 : groupFieldTermsIndex.LookupTerm(groupedFacetHit.groupValue);
if (groupedFacetHit.groupValue != null && groupOrd < 0)
{
continue;
}
int facetOrd;
if (groupedFacetHit.facetValue != null)
{
if (facetOrdTermsEnum == null || !facetOrdTermsEnum.SeekExact(groupedFacetHit.facetValue))
{
continue;
}
facetOrd = (int)facetOrdTermsEnum.Ord;
}
else
{
facetOrd = facetFieldNumTerms;
}
// (facetFieldDocTermOrds.numTerms() + 1) for all possible facet values and docs not containing facet field
int segmentGroupedFacetsIndex = groupOrd * (facetFieldNumTerms + 1) + facetOrd;
segmentGroupedFacetHits.Put(segmentGroupedFacetsIndex);
}
if (m_facetPrefix != null)
{
TermsEnum.SeekStatus seekStatus;
if (facetOrdTermsEnum != null)
{
seekStatus = facetOrdTermsEnum.SeekCeil(m_facetPrefix);
}
else
{
seekStatus = TermsEnum.SeekStatus.END;
}
if (seekStatus != TermsEnum.SeekStatus.END)
{
m_startFacetOrd = (int)facetOrdTermsEnum.Ord;
}
else
{
m_startFacetOrd = 0;
m_endFacetOrd = 0;
return;
}
BytesRef facetEndPrefix = BytesRef.DeepCopyOf(m_facetPrefix);
facetEndPrefix.Append(UnicodeUtil.BIG_TERM);
seekStatus = facetOrdTermsEnum.SeekCeil(facetEndPrefix);
if (seekStatus != TermsEnum.SeekStatus.END)
{
m_endFacetOrd = (int)facetOrdTermsEnum.Ord;
}
else
{
m_endFacetOrd = facetFieldNumTerms; // Don't include null...
}
}
else
{
m_startFacetOrd = 0;
m_endFacetOrd = facetFieldNumTerms + 1;
}
}