public virtual SortCollector GetSortCollector(
SortField[] sort,
Lucene.Net.Search.Query q,
int offset,
int count,
bool fetchStoredFields,
IEnumerable <string> termVectorsToFetch,
bool forceScoring,
string[] groupBy,
int maxPerGroup,
bool collectDocIdCache)
{
return(SortCollector.BuildSortCollector(
this,
q,
sort,
offset,
count,
forceScoring,
fetchStoredFields,
termVectorsToFetch,
groupBy,
maxPerGroup,
collectDocIdCache));
}
public virtual SortCollector GetSortCollector(SortField[] sort, Lucene.Net.Search.Query q, int offset, int count,
bool fetchStoredFields, ICollection <string> termVectorsToFetch, string[] groupBy, int maxPerGroup,
bool collectDocIdCache)
{
if (m_subBrowsers.Length == 1)
{
return(m_subBrowsers[0].GetSortCollector(sort, q, offset, count, fetchStoredFields,
termVectorsToFetch, groupBy, maxPerGroup, collectDocIdCache));
}
return(SortCollector.BuildSortCollector(this, q, sort, offset, count, fetchStoredFields,
termVectorsToFetch, groupBy, maxPerGroup, collectDocIdCache));
}
public virtual BrowseResult Browse(BrowseRequest req)
{
if (_reader == null)
{
return(new BrowseResult());
}
BrowseResult result = new BrowseResult();
long start = System.Environment.TickCount;
SortCollector collector = GetSortCollector(req.Sort, req.Query, req.Offset, req.Count, req.FetchStoredFields, req.TermVectorsToFetch, false, req.GroupBy, req.MaxPerGroup, req.CollectDocIdCache);
IDictionary <string, IFacetAccessible> facetCollectors = new Dictionary <string, IFacetAccessible>();
Browse(req, collector, facetCollectors);
BrowseHit[] hits = null;
try
{
hits = collector.TopDocs;
}
catch (Exception e)
{
logger.Error(e.Message, e);
hits = new BrowseHit[0];
}
var q = req.Query;
if (q == null)
{
q = new MatchAllDocsQuery();
}
if (req.ShowExplanation)
{
foreach (BrowseHit hit in hits)
{
try
{
Explanation expl = Explain(q, hit.DocId);
hit.Explanation = expl;
}
catch (Exception e)
{
logger.Error(e.Message, e);
}
}
}
result.Hits = hits;
result.NumHits = collector.TotalHits;
result.NumGroups = collector.TotalGroups;
result.GroupAccessibles = collector.GroupAccessibles;
result.SortCollector = collector;
result.TotalDocs = _reader.NumDocs();
result.AddAll(facetCollectors);
long end = System.Environment.TickCount;
result.Time = (end - start);
return(result);
}
/// <summary>
/// Generates a merged BrowseResult from the supplied <see cref="T:BrowseRequest"/>.
/// </summary>
/// <param name="req"><see cref="T:BrowseRequest"/> for generating the facets.</param>
/// <returns><see cref="T:BrowseResult"/> of the results corresponding to the <see cref="T:BrowseRequest"/>.</returns>
public virtual BrowseResult Browse(BrowseRequest req)
{
BrowseResult result = new BrowseResult();
// index empty
if (m_subBrowsers == null || m_subBrowsers.Length == 0)
{
return(result);
}
long start = System.Environment.TickCount;
int offset = req.Offset;
int count = req.Count;
if (offset < 0 || count < 0)
{
throw new ArgumentOutOfRangeException("both offset and count must be > 0: " + offset + "/" + count);
}
SortCollector collector = GetSortCollector(req.Sort, req.Query, offset, count,
req.FetchStoredFields, req.TermVectorsToFetch, req.GroupBy, req.MaxPerGroup,
#pragma warning disable 612, 618
req.CollectDocIdCache);
#pragma warning restore 612, 618
var facetCollectors = new Dictionary <string, IFacetAccessible>();
Browse(req, collector, facetCollectors, 0);
if (req.MapReduceWrapper != null)
{
result.MapReduceResult = req.MapReduceWrapper.Result;
}
BrowseHit[] hits = null;
try
{
hits = collector.TopDocs;
}
catch (Exception e)
{
logger.ErrorException(e.Message, e);
result.AddError(e.Message);
hits = new BrowseHit[0];
}
var q = req.Query;
if (req.ShowExplanation)
{
foreach (BrowseHit hit in hits)
{
try
{
int doc = hit.DocId;
int idx = ReaderIndex(doc);
int deBasedDoc = doc - ReaderBase(idx);
Explanation expl = m_subBrowsers[idx].Explain(q, deBasedDoc);
hit.SetExplanation(expl);
}
catch (Exception e)
{
logger.ErrorException(e.Message, e);
result.AddError(e.Message);
}
}
}
result.Hits = hits;
result.NumHits = collector.TotalHits;
result.NumGroups = collector.TotalGroups;
result.GroupAccessibles = collector.GroupAccessibles;
result.SortCollector = collector;
result.TotalDocs = this.NumDocs;
result.AddAll(facetCollectors);
long end = System.Environment.TickCount;
result.Time = (end - start);
// set the transaction ID to trace transactions
result.Tid = req.Tid;
return(result);
}
