private void CompleteFacetCalculationsStage1(IndexSearcherHolder.IndexSearcherHoldingState state, bool allVectoredTerms)
{
var fieldsToRead = new HashSet <string>(Facets
.Where(x => x.Value.Aggregation != FacetAggregation.None && x.Value.Aggregation != FacetAggregation.Count)
.Select(x => x.Value.AggregationField)
.Where(x => x != null));
if (fieldsToRead.Count == 0)
{
return;
}
var allDocs = new HashSet <int>(matches.Values.SelectMany(x => x.Docs));
if (allVectoredTerms)
{
IndexedTerms.ReadEntriesForFieldsFromTermVectors(state, fieldsToRead, allDocs, GetValueFromIndex,
(field, textVal, currentVal, docId) =>
HandleFacetsCalculationStage1(docId, field, textVal, currentVal));
}
else
{
IndexedTerms.ReadEntriesForFields(state, fieldsToRead, allDocs, GetValueFromIndex,
(field, textVal, currentVal, docId) =>
HandleFacetsCalculationStage1(docId, field, textVal, currentVal));
}
}
public void Execute()
{
//We only want to run the base query once, so we capture all of the facet-ing terms then run the query
// once through the collector and pull out all of the terms in one shot
var allCollector = new GatherAllCollector();
var facetsByName = new Dictionary <string, Dictionary <string, FacetValue> >();
using (var currentState = Database.IndexStorage.GetCurrentStateHolder(Index))
{
var currentIndexSearcher = currentState.IndexSearcher;
var baseQuery = Database.IndexStorage.GetLuceneQuery(Index, IndexQuery, Database.IndexQueryTriggers);
currentIndexSearcher.Search(baseQuery, allCollector);
var fields = Facets.Values.Select(x => x.Name)
.Concat(Ranges.Select(x => x.Key));
var fieldsToRead = new HashSet <string>(fields);
FieldTermVector fieldTermVector;
var allVectoredTerms =
fieldsToRead.All(s => indexDefinition.TermVectors.TryGetValue(s, out fieldTermVector) && fieldTermVector != FieldTermVector.No);
if (allVectoredTerms)
{
IndexedTerms.ReadEntriesForFieldsFromTermVectors(currentState,
fieldsToRead,
allCollector.Documents,
(field, value, doc) => HandleFacets(field, value, facetsByName, doc));
}
else
{
IndexedTerms.ReadEntriesForFields(currentState,
fieldsToRead,
allCollector.Documents,
(field, value, doc) => HandleFacets(field, value, facetsByName, doc));
}
UpdateFacetResults(facetsByName);
CompleteFacetCalculationsStage1(currentState, allVectoredTerms);
CompleteFacetCalculationsStage2();
}
}
