/// <summary>
/// Search, collecting hits with a <seealso cref="Collector"/>, and
/// computing drill down and sideways counts.
/// </summary>
public virtual DrillSidewaysResult Search(DrillDownQuery query, Collector hitCollector)
{
IDictionary<string, int?> drillDownDims = query.Dims;
FacetsCollector drillDownCollector = new FacetsCollector();
if (drillDownDims.Count == 0)
{
// There are no drill-down dims, so there is no
// drill-sideways to compute:
searcher.Search(query, MultiCollector.Wrap(hitCollector, drillDownCollector));
return new DrillSidewaysResult(BuildFacetsResult(drillDownCollector, null, null), null);
}
BooleanQuery ddq = query.BooleanQuery;
BooleanClause[] clauses = ddq.Clauses;
Query baseQuery;
int startClause;
if (clauses.Length == drillDownDims.Count)
{
// TODO: we could optimize this pure-browse case by
// making a custom scorer instead:
baseQuery = new MatchAllDocsQuery();
startClause = 0;
}
else
{
Debug.Assert(clauses.Length == 1 + drillDownDims.Count);
baseQuery = clauses[0].Query;
startClause = 1;
}
FacetsCollector[] drillSidewaysCollectors = new FacetsCollector[drillDownDims.Count];
for (int i = 0; i < drillSidewaysCollectors.Length; i++)
{
drillSidewaysCollectors[i] = new FacetsCollector();
}
Query[] drillDownQueries = new Query[clauses.Length - startClause];
for (int i = startClause; i < clauses.Length; i++)
{
drillDownQueries[i - startClause] = clauses[i].Query;
}
DrillSidewaysQuery dsq = new DrillSidewaysQuery(baseQuery, drillDownCollector, drillSidewaysCollectors, drillDownQueries, ScoreSubDocsAtOnce());
searcher.Search(dsq, hitCollector);
return new DrillSidewaysResult(BuildFacetsResult(drillDownCollector, drillSidewaysCollectors, drillDownDims.Keys.ToArray()), null);
}
public WeightAnonymousInnerClassHelper(DrillSidewaysQuery outerInstance, Weight baseWeight, object[] drillDowns)
{
this.outerInstance = outerInstance;
this.baseWeight = baseWeight;
this.drillDowns = drillDowns;
}
public WeightAnonymousClass(DrillSidewaysQuery outerInstance, Weight baseWeight, object[] drillDowns)
{
this.outerInstance = outerInstance;
this.baseWeight = baseWeight;
this.drillDowns = drillDowns;
}