public void SortOrder_With_MultiSearcher_Across_Indexes_Test()
{
var dir2 = new RAMDirectory();
var indexWriter2 = new IndexWriter(dir2, _analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
indexWriter2.AddDocument(CreateDocument(100, "Anders", 0));
indexWriter2.Commit();
var searcher = new IndexSearcher(_dir, true);
var searcher2 = new IndexSearcher(dir2, true);
var parallelMultiSearcher = new ParallelMultiSearcher(new Searchable[] { searcher, searcher2 });
var sortOrder = new[] { 20, 10, 100, 30, 40 };
var result = Search(parallelMultiSearcher, _query, sortOrder);
CollectionAssert.AreEqual(sortOrder, result);
parallelMultiSearcher.Dispose();
indexWriter2.Dispose();
dir2.Dispose();
}
public void ParallelMultiSearcher_Sort_By_Custom_Int_Comparator_Test()
{
var parallelMultiSearcher = new ParallelMultiSearcher(
new Searchable[] { _searcher1, _searcher2 });
var result = Search(parallelMultiSearcher, _query, new Sort(new SortField(IdFieldName, new MyIntComparatorSource())));
var expected = new[] { 10, 20, 30, 40, 50 };
CollectionAssert.AreEqual(expected, result);
parallelMultiSearcher.Dispose();
}
public void ParallelMultiSearcher_Sort_By_String_Test()
{
var parallelMultiSearcher = new ParallelMultiSearcher(
new Searchable[] { _searcher1, _searcher2 });
var result = Search(parallelMultiSearcher, _query, new Sort(new SortField(NameFieldName, SortField.STRING)));
// Anders, Andreas, Anja, Anne
var expected = new[] { 50, 10, 40, 20, 30 };
CollectionAssert.AreEqual(expected, result);
parallelMultiSearcher.Dispose();
}
public IEnumerable <IHit> Query(int pageIndex, int pageSize, out int totalCount, out IEnumerable <FacetGroup> facetedResults)
{
totalCount = 0;
facetedResults = null;
if (searchPaths == null || searchPaths.Count <= 0)
{
searchPaths.AddRange(indexPaths.Values.Select(o => o.Path));
}
List <LuceneHit> results = new List <LuceneHit>();
List <IndexSearcher> subSearchs = new List <IndexSearcher>();
searchPaths.ForEach(o => subSearchs.Add(new IndexSearcher(FSDirectory.Open(o))));
if (facetFields != null && facetFields.Count > 0)
{
var facetGroups = new List <FacetGroup>();
var mainQueryFilter = new CachingWrapperFilter(new QueryWrapperFilter(query));
MultiReader readers = new MultiReader(subSearchs.Select(o => o.IndexReader).ToArray());
foreach (var facetField in facetFields)
{
FacetGroup fg = new FacetGroup();
fg.FieldName = facetFieldNameProvider.GetMapName(TypeName, facetField);
var items = new List <FacetItem>();
var allDistinctField = FieldCache_Fields.DEFAULT.GetStrings(readers, facetField).Distinct().ToArray();
int totalHits = 0;
Parallel.ForEach(allDistinctField, fieldValue =>
{
//foreach (var fieldValue in allDistinctField)
//{
var facetQuery = new TermQuery(new Term(facetField, fieldValue));
var facetQueryFilter = new CachingWrapperFilter(new QueryWrapperFilter(facetQuery));
var bs = new OpenBitSetDISI(facetQueryFilter.GetDocIdSet(readers).Iterator(), readers.MaxDoc);
bs.InPlaceAnd(mainQueryFilter.GetDocIdSet(readers).Iterator());
int count = (Int32)bs.Cardinality();
FacetItem item = new FacetItem();
item.GroupValue = fieldValue;
item.Count = count;
items.Add(item);
totalHits += count;
}
);
fg.FacetItems = items.OrderByDescending(o => o.Count);
fg.TotalHits = totalHits;
facetGroups.Add(fg);
}
facetedResults = facetGroups.OrderBy(o => o.FieldName);
}
ParallelMultiSearcher searcher = new ParallelMultiSearcher(subSearchs.ToArray());
Sort sort = null;
if (sortFields != null && sortFields.Count > 0)
{
sort = new Sort(sortFields.ToArray());
}
int maxDoc = searcher.MaxDoc;
int startIndex = 0;
if (pageIndex >= 0 && pageSize > 0)
{
startIndex = pageIndex * pageSize;
maxDoc = pageSize * (pageIndex + 1);
}
var docs = sort == null?searcher.Search(query, null, maxDoc) : searcher.Search(query, null, maxDoc, sort);
totalCount = docs.TotalHits;
int endIndex = docs.TotalHits - startIndex;
for (int i = startIndex; i < endIndex; i++)
{
LuceneHit h = new LuceneHit(TypeName, DocumentBuilder, searcher.Doc(docs.ScoreDocs[i].Doc));
results.Add(h);
}
return(results);
}
