|
public Search ( |
||
| weight | ||
| filter | ||
| nDocs | int | |
| return | Lucene.Net.Search.TopDocs | |
public virtual void TestQueryFilter()
{
// try to search the published index
Lucene.Net.Search.Searchable[] searchables = new Lucene.Net.Search.Searchable[] { Remote };
Searcher searcher = new MultiSearcher(searchables);
Hits hits = searcher.Search(new TermQuery(new Term("test", "text")), new QueryFilter(new TermQuery(new Term("test", "test"))));
Hits nohits = searcher.Search(new TermQuery(new Term("test", "text")), new QueryFilter(new TermQuery(new Term("test", "non-existent-term"))));
Assert.AreEqual(0, nohits.Length());
}
void LUCENENET_100_ClientSearch()
{
try
{
Lucene.Net.Search.Searchable s = (Lucene.Net.Search.Searchable)Activator.GetObject(typeof(Lucene.Net.Search.Searchable), @"tcp://localhost:" + ANYPORT + "/Searcher");
Lucene.Net.Search.MultiSearcher searcher = new Lucene.Net.Search.MultiSearcher(new Lucene.Net.Search.Searchable[] { s });
Lucene.Net.Search.Query q = new Lucene.Net.Search.TermQuery(new Lucene.Net.Index.Term("field1", "moon"));
Lucene.Net.Search.Sort sort = new Lucene.Net.Search.Sort();
sort.SetSort(new Lucene.Net.Search.SortField("field2", Lucene.Net.Search.SortField.INT));
Lucene.Net.Search.TopDocs h = searcher.Search(q, null, 100, sort);
if (h.ScoreDocs.Length != 2)
{
LUCENENET_100_Exception = new SupportClassException("Test_Search_FieldDoc Error. ");
}
}
catch (SupportClassException ex)
{
LUCENENET_100_Exception = ex;
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
finally
{
LUCENENET_100_testFinished = true;
}
}
public virtual void TestCustomSimilarity()
{
RAMDirectory dir = new RAMDirectory();
InitIndex(dir, 10, true, "x"); // documents with two tokens "doc0" and "x", "doc1" and x, etc...
IndexSearcher srchr = new IndexSearcher(dir, true);
MultiSearcher msrchr = GetMultiSearcherInstance(new Searcher[] { srchr });
Similarity customSimilarity = new AnonymousClassDefaultSimilarity(this);
srchr.Similarity = customSimilarity;
msrchr.Similarity = customSimilarity;
Query query = new TermQuery(new Term("contents", "doc0"));
// Get a score from IndexSearcher
TopDocs topDocs = srchr.Search(query, null, 1);
float score1 = topDocs.MaxScore;
// Get the score from MultiSearcher
topDocs = msrchr.Search(query, null, 1);
float scoreN = topDocs.MaxScore;
// The scores from the IndexSearcher and Multisearcher should be the same
// if the same similarity is used.
Assert.AreEqual(score1, scoreN, 1e-6, "MultiSearcher score must be equal to single searcher score!");
}
public AutoCompletionResult Autocomplete(string text, bool includeExplanation = false)
{
if (string.IsNullOrWhiteSpace(text)) return AutoCompletionResult.NoResult(text);
var searchers = _directoryFactory.GetAllDirectories().Select(d =>
{
try
{
return new IndexSearcher(d, true);
}
catch (Exception e)
{
_log.Error(e, "While searching directory {0}", d);
return null;
}
})
.Where(s => s != null)
.ToArray();
using (var searcher = new MultiSearcher(searchers))
{
try
{
BooleanQuery query = GetQueryForText(text);
var results = searcher.Search(query, 10);
var commands = results.ScoreDocs
.Select(d =>
{
var document = searcher.Doc(d.Doc);
try
{
Explanation explanation = null;
if (includeExplanation)
{
explanation = searcher.Explain(query, d.Doc);
}
var coreDoc = CoreDocument.Rehydrate(document);
var command = _converterRepository.FromDocumentToItem(coreDoc);
return new AutoCompletionResult.CommandResult(command, coreDoc.GetDocumentId(), explanation);
}
catch (Exception e)
{
_log.Error(e, "Error getting command result for document {0}:{1}",
document.GetField(SpecialFields.ConverterId).StringValue,
document.GetField(SpecialFields.Id).StringValue);
return null;
}
})
.Where(r => r != null);
return AutoCompletionResult.OrderedResult(text, commands);
}
catch (ParseException e)
{
_log.Error(e, "Error parsing '{0}'", text);
return AutoCompletionResult.NoResult(text);
}
}
}
private static void Search(Query query)
{
// try to search the published index
Lucene.Net.Search.Searchable[] searchables = new Lucene.Net.Search.Searchable[]{Remote};
Searcher searcher = new MultiSearcher(searchables);
Hits result = searcher.Search(query);
Assert.AreEqual(1, result.Length());
Assert.AreEqual("test text", result.Doc(0).Get("test"));
}
private static void Search(Query query)
{
// try to search the published index
Lucene.Net.Search.Searchable[] searchables = new Lucene.Net.Search.Searchable[] { Remote };
Searcher searcher = new MultiSearcher(searchables);
Hits result = searcher.Search(query);
Assert.AreEqual(1, result.Length());
Assert.AreEqual("test text", result.Doc(0).Get("test"));
}
public virtual void TestFieldSelector()
{
RAMDirectory ramDirectory1, ramDirectory2;
IndexSearcher indexSearcher1, indexSearcher2;
ramDirectory1 = new RAMDirectory();
ramDirectory2 = new RAMDirectory();
Query query = new TermQuery(new Term("contents", "doc0"));
// Now put the documents in a different index
InitIndex(ramDirectory1, 10, true, null); // documents with a single token "doc0", "doc1", etc...
InitIndex(ramDirectory2, 10, true, "x"); // documents with two tokens "doc0" and "x", "doc1" and x, etc...
indexSearcher1 = new IndexSearcher(ramDirectory1, true);
indexSearcher2 = new IndexSearcher(ramDirectory2, true);
MultiSearcher searcher = GetMultiSearcherInstance(new Searcher[] { indexSearcher1, indexSearcher2 });
Assert.IsTrue(searcher != null, "searcher is null and it shouldn't be");
ScoreDoc[] hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.IsTrue(hits != null, "hits is null and it shouldn't be");
Assert.IsTrue(hits.Length == 2, hits.Length + " does not equal: " + 2);
Document document = searcher.Doc(hits[0].Doc);
Assert.IsTrue(document != null, "document is null and it shouldn't be");
Assert.IsTrue(document.GetFields().Count == 2, "document.getFields() Size: " + document.GetFields().Count + " is not: " + 2);
//Should be one document from each directory
//they both have two fields, contents and other
ISet <string> ftl = Support.Compatibility.SetFactory.CreateHashSet <string>();
ftl.Add("other");
SetBasedFieldSelector fs = new SetBasedFieldSelector(ftl, Support.Compatibility.SetFactory.CreateHashSet <string>());
document = searcher.Doc(hits[0].Doc, fs);
Assert.IsTrue(document != null, "document is null and it shouldn't be");
Assert.IsTrue(document.GetFields().Count == 1, "document.getFields() Size: " + document.GetFields().Count + " is not: " + 1);
System.String value_Renamed = document.Get("contents");
Assert.IsTrue(value_Renamed == null, "value is not null and it should be");
value_Renamed = document.Get("other");
Assert.IsTrue(value_Renamed != null, "value is null and it shouldn't be");
ftl.Clear();
ftl.Add("contents");
fs = new SetBasedFieldSelector(ftl, Support.Compatibility.SetFactory.CreateHashSet <string>());
document = searcher.Doc(hits[1].Doc, fs);
value_Renamed = document.Get("contents");
Assert.IsTrue(value_Renamed != null, "value is null and it shouldn't be");
value_Renamed = document.Get("other");
Assert.IsTrue(value_Renamed == null, "value is not null and it should be");
}
void LUCENENET_100_ClientSearch()
{
try
{
Lucene.Net.Search.Searchable s = (Lucene.Net.Search.Searchable)Activator.GetObject(typeof(Lucene.Net.Search.Searchable), @"tcp://localhost:" + ANYPORT + "/Searcher");
Lucene.Net.Search.MultiSearcher searcher = new Lucene.Net.Search.MultiSearcher(new Lucene.Net.Search.Searchable[] { s });
Lucene.Net.Search.Query q = new Lucene.Net.Search.TermQuery(new Lucene.Net.Index.Term("field1", "moon"));
Lucene.Net.Search.Sort sort = new Lucene.Net.Search.Sort();
sort.SetSort(new Lucene.Net.Search.SortField("field2", Lucene.Net.Search.SortField.INT));
Lucene.Net.Search.TopDocs h = searcher.Search(q, null, 100, sort);
}
catch (Exception ex)
{
LUCENENET_100_Exception = ex;
}
finally
{
LUCENENET_100_testFinished = true;
}
}
public virtual void TestEmptyIndex()
{
// creating two directories for indices
Directory indexStoreA = new MockRAMDirectory();
Directory indexStoreB = new MockRAMDirectory();
// creating a document to store
Document lDoc = new Document();
lDoc.Add(new Field("fulltext", "Once upon a time.....", Field.Store.YES, Field.Index.ANALYZED));
lDoc.Add(new Field("id", "doc1", Field.Store.YES, Field.Index.NOT_ANALYZED));
lDoc.Add(new Field("handle", "1", Field.Store.YES, Field.Index.NOT_ANALYZED));
// creating a document to store
Document lDoc2 = new Document();
lDoc2.Add(new Field("fulltext", "in a galaxy far far away.....", Field.Store.YES, Field.Index.ANALYZED));
lDoc2.Add(new Field("id", "doc2", Field.Store.YES, Field.Index.NOT_ANALYZED));
lDoc2.Add(new Field("handle", "1", Field.Store.YES, Field.Index.NOT_ANALYZED));
// creating a document to store
Document lDoc3 = new Document();
lDoc3.Add(new Field("fulltext", "a bizarre bug manifested itself....", Field.Store.YES, Field.Index.ANALYZED));
lDoc3.Add(new Field("id", "doc3", Field.Store.YES, Field.Index.NOT_ANALYZED));
lDoc3.Add(new Field("handle", "1", Field.Store.YES, Field.Index.NOT_ANALYZED));
// creating an index writer for the first index
IndexWriter writerA = new IndexWriter(indexStoreA, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED);
// creating an index writer for the second index, but writing nothing
IndexWriter writerB = new IndexWriter(indexStoreB, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED);
//--------------------------------------------------------------------
// scenario 1
//--------------------------------------------------------------------
// writing the documents to the first index
writerA.AddDocument(lDoc);
writerA.AddDocument(lDoc2);
writerA.AddDocument(lDoc3);
writerA.Optimize();
writerA.Close();
// closing the second index
writerB.Close();
// creating the query
QueryParser parser = new QueryParser(Util.Version.LUCENE_CURRENT, "fulltext", new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Query query = parser.Parse("handle:1");
// building the searchables
Searcher[] searchers = new Searcher[2];
// VITAL STEP:adding the searcher for the empty index first, before the searcher for the populated index
searchers[0] = new IndexSearcher(indexStoreB, true);
searchers[1] = new IndexSearcher(indexStoreA, true);
// creating the multiSearcher
Searcher mSearcher = GetMultiSearcherInstance(searchers);
// performing the search
ScoreDoc[] hits = mSearcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(3, hits.Length);
// iterating over the hit documents
for (int i = 0; i < hits.Length; i++)
{
mSearcher.Doc(hits[i].Doc);
}
mSearcher.Close();
//--------------------------------------------------------------------
// scenario 2
//--------------------------------------------------------------------
// adding one document to the empty index
writerB = new IndexWriter(indexStoreB, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), false, IndexWriter.MaxFieldLength.LIMITED);
writerB.AddDocument(lDoc);
writerB.Optimize();
writerB.Close();
// building the searchables
Searcher[] searchers2 = new Searcher[2];
// VITAL STEP:adding the searcher for the empty index first, before the searcher for the populated index
searchers2[0] = new IndexSearcher(indexStoreB, true);
searchers2[1] = new IndexSearcher(indexStoreA, true);
// creating the mulitSearcher
MultiSearcher mSearcher2 = GetMultiSearcherInstance(searchers2);
// performing the same search
ScoreDoc[] hits2 = mSearcher2.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(4, hits2.Length);
// iterating over the hit documents
for (int i = 0; i < hits2.Length; i++)
{
// no exception should happen at this point
mSearcher2.Doc(hits2[i].Doc);
}
// test the subSearcher() method:
Query subSearcherQuery = parser.Parse("id:doc1");
hits2 = mSearcher2.Search(subSearcherQuery, null, 1000).ScoreDocs;
Assert.AreEqual(2, hits2.Length);
Assert.AreEqual(0, mSearcher2.SubSearcher(hits2[0].Doc)); // hit from searchers2[0]
Assert.AreEqual(1, mSearcher2.SubSearcher(hits2[1].Doc)); // hit from searchers2[1]
subSearcherQuery = parser.Parse("id:doc2");
hits2 = mSearcher2.Search(subSearcherQuery, null, 1000).ScoreDocs;
Assert.AreEqual(1, hits2.Length);
Assert.AreEqual(1, mSearcher2.SubSearcher(hits2[0].Doc)); // hit from searchers2[1]
mSearcher2.Close();
//--------------------------------------------------------------------
// scenario 3
//--------------------------------------------------------------------
// deleting the document just added, this will cause a different exception to take place
Term term = new Term("id", "doc1");
IndexReader readerB = IndexReader.Open(indexStoreB, false);
readerB.DeleteDocuments(term);
readerB.Close();
// optimizing the index with the writer
writerB = new IndexWriter(indexStoreB, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), false, IndexWriter.MaxFieldLength.LIMITED);
writerB.Optimize();
writerB.Close();
// building the searchables
Searcher[] searchers3 = new Searcher[2];
searchers3[0] = new IndexSearcher(indexStoreB, true);
searchers3[1] = new IndexSearcher(indexStoreA, true);
// creating the mulitSearcher
Searcher mSearcher3 = GetMultiSearcherInstance(searchers3);
// performing the same search
ScoreDoc[] hits3 = mSearcher3.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(3, hits3.Length);
// iterating over the hit documents
for (int i = 0; i < hits3.Length; i++)
{
mSearcher3.Doc(hits3[i].Doc);
}
mSearcher3.Close();
indexStoreA.Close();
indexStoreB.Close();
}
//private static Lucene.Net.Search.Searchable GetRemote()
//{
// try
// {
// return LookupRemote();
// }
// catch (System.Exception)
// {
// StartServer();
// return LookupRemote();
// }
//}
//private static Lucene.Net.Search.Searchable LookupRemote()
//{
// return (Lucene.Net.Search.Searchable) Activator.GetObject(typeof(Lucene.Net.Search.Searchable), "http://" + "//localhost/Searchable");
//}
//private static void StartServer()
//{
// // construct an index
// RAMDirectory indexStore = new RAMDirectory();
// IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true);
// Document doc = new Document();
// doc.Add(new Field("test", "test text", Field.Store.YES, Field.Index.TOKENIZED));
// doc.Add(new Field("type", "A", Field.Store.YES, Field.Index.TOKENIZED));
// doc.Add(new Field("other", "other test text", Field.Store.YES, Field.Index.TOKENIZED));
// writer.AddDocument(doc);
// //Need a second document to search for
// doc = new Document();
// doc.Add(new Field("test", "test text", Field.Store.YES, Field.Index.TOKENIZED));
// doc.Add(new Field("type", "B", Field.Store.YES, Field.Index.TOKENIZED));
// doc.Add(new Field("other", "other test text", Field.Store.YES, Field.Index.TOKENIZED));
// writer.AddDocument(doc);
// writer.Optimize();
// writer.Close();
// try
// {
// System.Runtime.Remoting.Channels.ChannelServices.RegisterChannel(new System.Runtime.Remoting.Channels.Http.HttpChannel(1099), false);
// }
// catch (System.Net.Sockets.SocketException ex)
// {
// if (ex.ErrorCode == 10048)
// return; // EADDRINUSE?
// throw ex;
// }
// // publish it
// Lucene.Net.Search.Searchable local = new IndexSearcher(indexStore);
// RemoteSearchable impl = new RemoteSearchable(local);
// System.Runtime.Remoting.RemotingServices.Marshal(impl, "Searchable");
//}
private static void Search(Query query, Filter filter, int hitNumber, System.String typeValue)
{
Lucene.Net.Search.Searchable[] searchables = new Lucene.Net.Search.Searchable[]{GetRemote()};
Searcher searcher = new MultiSearcher(searchables);
Hits result = searcher.Search(query, filter);
Assert.AreEqual(1, result.Length());
Document document = result.Doc(hitNumber);
Assert.IsTrue(document != null, "document is null and it shouldn't be");
Assert.AreEqual(typeValue, document.Get("type"));
Assert.IsTrue(document.GetFields().Count == 3, "document.getFields() Size: " + document.GetFields().Count + " is not: " + 3);
}
//private Lucene.Net.Search.Searchable GetRemote()
//{
// try
// {
// return LookupRemote();
// }
// catch (System.Exception)
// {
// StartServer();
// return LookupRemote();
// }
//}
//private Lucene.Net.Search.Searchable LookupRemote()
//{
// return (Lucene.Net.Search.Searchable) Activator.GetObject(typeof(Lucene.Net.Search.Searchable), @"http://localhost:1099/Searchable");
//}
//[SetUp]
//public void StartServer()
//{
// try
// {
// System.Runtime.Remoting.Channels.ChannelServices.RegisterChannel(new System.Runtime.Remoting.Channels.Http.HttpChannel(1099), false);
// }
// catch (System.Net.Sockets.SocketException ex)
// {
// if (ex.ErrorCode == 10048)
// return; // EADDRINUSE?
// throw ex;
// }
// // construct an index
// RAMDirectory indexStore = new RAMDirectory();
// IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true);
// Lucene.Net.Documents.Document doc = new Lucene.Net.Documents.Document();
// doc.Add(new Field("test", "test text", Field.Store.YES, Field.Index.TOKENIZED));
// doc.Add(new Field("other", "other test text", Field.Store.YES, Field.Index.TOKENIZED));
// writer.AddDocument(doc);
// writer.Optimize();
// writer.Close();
// // publish it
// Lucene.Net.Search.Searchable local = new IndexSearcher(indexStore);
// RemoteSearchable impl = new RemoteSearchable(local);
// System.Runtime.Remoting.RemotingServices.Marshal(impl, "Searchable");
//}
private void Search(Query query)
{
// try to search the published index
Lucene.Net.Search.Searchable[] searchables = new Lucene.Net.Search.Searchable[]{GetRemote()};
Searcher searcher = new MultiSearcher(searchables);
Hits result = searcher.Search(query);
Assert.AreEqual(1, result.Length());
Document document = result.Doc(0);
Assert.IsTrue(document != null, "document is null and it shouldn't be");
Assert.AreEqual(document.Get("test"), "test text");
Assert.IsTrue(document.GetFields().Count == 2, "document.getFields() Size: " + document.GetFields().Count + " is not: " + 2);
System.Collections.Hashtable ftl = new System.Collections.Hashtable();
ftl.Add("other", "other");
FieldSelector fs = new SetBasedFieldSelector(ftl, new System.Collections.Hashtable());
document = searcher.Doc(0, fs);
Assert.IsTrue(document != null, "document is null and it shouldn't be");
Assert.IsTrue(document.GetFields().Count == 1, "document.getFields() Size: " + document.GetFields().Count + " is not: " + 1);
fs = new MapFieldSelector(new System.String[]{"other"});
document = searcher.Doc(0, fs);
Assert.IsTrue(document != null, "document is null and it shouldn't be");
Assert.IsTrue(document.GetFields().Count == 1, "document.getFields() Size: " + document.GetFields().Count + " is not: " + 1);
}
public virtual void TestNormalizedScores()
{
// capture relevancy scores
System.Collections.Hashtable scoresX = GetScores(full.Search(queryX));
System.Collections.Hashtable scoresY = GetScores(full.Search(queryY));
System.Collections.Hashtable scoresA = GetScores(full.Search(queryA));
// we'll test searching locally, remote and multi
// note: the multi test depends on each separate index containing
// the same documents as our local index, so the computed normalization
// will be the same. so we make a multi searcher over two equal document
// sets - not realistic, but necessary for testing.
MultiSearcher remote = new MultiSearcher(new Lucene.Net.Search.Searchable[]{Remote});
MultiSearcher multi = new MultiSearcher(new Lucene.Net.Search.Searchable[]{full, full});
// change sorting and make sure relevancy stays the same
sort = new Sort();
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort(SortField.FIELD_DOC);
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort("int");
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort("float");
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort("string");
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort(new System.String[]{"int", "float"});
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort(new SortField[]{new SortField("int", true), new SortField(null, SortField.DOC, true)});
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort(new System.String[]{"float", "string"});
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
}
public virtual void TestQueryFilter()
{
// try to search the published index
Lucene.Net.Search.Searchable[] searchables = new Lucene.Net.Search.Searchable[]{Remote};
Searcher searcher = new MultiSearcher(searchables);
Hits hits = searcher.Search(new TermQuery(new Term("test", "text")), new QueryFilter(new TermQuery(new Term("test", "test"))));
Hits nohits = searcher.Search(new TermQuery(new Term("test", "text")), new QueryFilter(new TermQuery(new Term("test", "non-existent-term"))));
Assert.AreEqual(0, nohits.Length());
}
public void TestSpanRegexBug()
{
CreateRamDirectories();
SpanRegexQuery srq = new SpanRegexQuery(new Term("field", "a.*"));
SpanRegexQuery stq = new SpanRegexQuery(new Term("field", "b.*"));
SpanNearQuery query = new SpanNearQuery(new SpanQuery[] { srq, stq }, 6,
true);
// 1. Search the same store which works
IndexSearcher[] arrSearcher = new IndexSearcher[2];
arrSearcher[0] = new IndexSearcher(indexStoreA, true);
arrSearcher[1] = new IndexSearcher(indexStoreB, true);
MultiSearcher searcher = new MultiSearcher(arrSearcher);
int numHits = searcher.Search(query, null, 1000).TotalHits;
arrSearcher[0].Close();
arrSearcher[1].Close();
// Will fail here
// We expect 2 but only one matched
// The rewriter function only write it once on the first IndexSearcher
// So it's using term: a1 b1 to search on the second IndexSearcher
// As a result, it won't match the document in the second IndexSearcher
Assert.AreEqual(2, numHits);
indexStoreA.Close();
indexStoreB.Close();
}
public virtual void TestNormalizedScores()
{
// capture relevancy scores
System.Collections.Hashtable scoresX = GetScores(full.Search(queryX));
System.Collections.Hashtable scoresY = GetScores(full.Search(queryY));
System.Collections.Hashtable scoresA = GetScores(full.Search(queryA));
// we'll test searching locally, remote and multi
// note: the multi test depends on each separate index containing
// the same documents as our local index, so the computed normalization
// will be the same. so we make a multi searcher over two equal document
// sets - not realistic, but necessary for testing.
MultiSearcher remote = new MultiSearcher(new Lucene.Net.Search.Searchable[] { Remote });
MultiSearcher multi = new MultiSearcher(new Lucene.Net.Search.Searchable[] { full, full });
// change sorting and make sure relevancy stays the same
sort = new Sort();
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort(SortField.FIELD_DOC);
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort("int");
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort("float");
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort("string");
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort(new System.String[] { "int", "float" });
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort(new SortField[] { new SortField("int", true), new SortField(null, SortField.DOC, true) });
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
sort.SetSort(new System.String[] { "float", "string" });
AssertSameValues(scoresX, GetScores(full.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(remote.Search(queryX, sort)));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, sort)));
AssertSameValues(scoresY, GetScores(full.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(remote.Search(queryY, sort)));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, sort)));
AssertSameValues(scoresA, GetScores(full.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(remote.Search(queryA, sort)));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, sort)));
}
public virtual void TestConstantScoreQuery()
{
// try to search the published index
Lucene.Net.Search.Searchable[] searchables = new Lucene.Net.Search.Searchable[]{GetRemote()};
Searcher searcher = new MultiSearcher(searchables);
Hits hits = searcher.Search(new ConstantScoreQuery(new QueryFilter(new TermQuery(new Term("test", "test")))));
Assert.AreEqual(1, hits.Length());
}
public virtual void TestNormalizedScores()
{
// capture relevancy scores
System.Collections.Hashtable scoresX = GetScores(full.Search(queryX, null, 1000).ScoreDocs, full);
System.Collections.Hashtable scoresY = GetScores(full.Search(queryY, null, 1000).ScoreDocs, full);
System.Collections.Hashtable scoresA = GetScores(full.Search(queryA, null, 1000).ScoreDocs, full);
// we'll test searching locally, remote and multi
MultiSearcher multi = new MultiSearcher(new Searchable[]{searchX, searchY});
// change sorting and make sure relevancy stays the same
sort = new Sort();
AssertSameValues(scoresX, GetScores(full.Search(queryX, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresY, GetScores(full.Search(queryY, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresA, GetScores(full.Search(queryA, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, null, 1000, sort).ScoreDocs, multi));
sort.SetSort(SortField.FIELD_DOC);
AssertSameValues(scoresX, GetScores(full.Search(queryX, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresY, GetScores(full.Search(queryY, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresA, GetScores(full.Search(queryA, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, null, 1000, sort).ScoreDocs, multi));
sort.SetSort("int");
AssertSameValues(scoresX, GetScores(full.Search(queryX, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresY, GetScores(full.Search(queryY, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresA, GetScores(full.Search(queryA, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, null, 1000, sort).ScoreDocs, multi));
sort.SetSort("float");
AssertSameValues(scoresX, GetScores(full.Search(queryX, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresY, GetScores(full.Search(queryY, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresA, GetScores(full.Search(queryA, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, null, 1000, sort).ScoreDocs, multi));
sort.SetSort("string");
AssertSameValues(scoresX, GetScores(full.Search(queryX, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresY, GetScores(full.Search(queryY, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresA, GetScores(full.Search(queryA, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, null, 1000, sort).ScoreDocs, multi));
sort.SetSort(new System.String[]{"int", "float"});
AssertSameValues(scoresX, GetScores(full.Search(queryX, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresY, GetScores(full.Search(queryY, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresA, GetScores(full.Search(queryA, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, null, 1000, sort).ScoreDocs, multi));
sort.SetSort(new SortField[]{new SortField("int", true), new SortField(null, SortField.DOC, true)});
AssertSameValues(scoresX, GetScores(full.Search(queryX, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresY, GetScores(full.Search(queryY, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresA, GetScores(full.Search(queryA, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, null, 1000, sort).ScoreDocs, multi));
sort.SetSort(new System.String[]{"float", "string"});
AssertSameValues(scoresX, GetScores(full.Search(queryX, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresX, GetScores(multi.Search(queryX, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresY, GetScores(full.Search(queryY, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresY, GetScores(multi.Search(queryY, null, 1000, sort).ScoreDocs, multi));
AssertSameValues(scoresA, GetScores(full.Search(queryA, null, 1000, sort).ScoreDocs, full));
AssertSameValues(scoresA, GetScores(multi.Search(queryA, null, 1000, sort).ScoreDocs, multi));
}
void LUCENENET_100_ClientSearch()
{
try
{
Lucene.Net.Search.Searchable s = (Lucene.Net.Search.Searchable)Activator.GetObject(typeof(Lucene.Net.Search.Searchable), @"tcp://localhost:" + ANYPORT + "/Searcher");
Lucene.Net.Search.MultiSearcher searcher = new Lucene.Net.Search.MultiSearcher(new Lucene.Net.Search.Searchable[] { s });
Lucene.Net.Search.Query q = new Lucene.Net.Search.TermQuery(new Lucene.Net.Index.Term("field1", "moon"));
Lucene.Net.Search.Sort sort = new Lucene.Net.Search.Sort();
sort.SetSort(new Lucene.Net.Search.SortField("field2", Lucene.Net.Search.SortField.INT));
Lucene.Net.Search.TopDocs h = searcher.Search(q, null,100, sort);
if (h.ScoreDocs.Length != 2) LUCENENET_100_Exception = new Exception("Test_Search_FieldDoc Error. ");
}
catch (Exception ex)
{
LUCENENET_100_Exception = ex;
}
finally
{
LUCENENET_100_testFinished = true;
}
}
public virtual void TestTermQueryMultiSearcherExplain()
{
// creating two directories for indices
Directory indexStoreA = new MockRAMDirectory();
Directory indexStoreB = new MockRAMDirectory();
Document lDoc = new Document();
lDoc.Add(new Field("handle", "1 2", Field.Store.YES, Field.Index.ANALYZED));
Document lDoc2 = new Document();
lDoc2.Add(new Field("handle", "1 2", Field.Store.YES, Field.Index.ANALYZED));
Document lDoc3 = new Document();
lDoc3.Add(new Field("handle", "1 2", Field.Store.YES, Field.Index.ANALYZED));
IndexWriter writerA = new IndexWriter(indexStoreA, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED);
IndexWriter writerB = new IndexWriter(indexStoreB, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED);
writerA.AddDocument(lDoc);
writerA.AddDocument(lDoc2);
writerA.Optimize();
writerA.Close();
writerB.AddDocument(lDoc3);
writerB.Close();
QueryParser parser = new QueryParser(Util.Version.LUCENE_CURRENT, "fulltext", new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Query query = parser.Parse("handle:1");
Searcher[] searchers = new Searcher[2];
searchers[0] = new IndexSearcher(indexStoreB, true);
searchers[1] = new IndexSearcher(indexStoreA, true);
Searcher mSearcher = new MultiSearcher(searchers);
ScoreDoc[] hits = mSearcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(3, hits.Length);
Explanation explain = mSearcher.Explain(query, hits[0].Doc);
System.String exp = explain.ToString(0);
Assert.IsTrue(exp.IndexOf("maxDocs=3") > - 1, exp);
Assert.IsTrue(exp.IndexOf("docFreq=3") > - 1, exp);
query = parser.Parse("handle:\"1 2\"");
hits = mSearcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(3, hits.Length);
explain = mSearcher.Explain(query, hits[0].Doc);
exp = explain.ToString(0);
Assert.IsTrue(exp.IndexOf("1=3") > - 1, exp);
Assert.IsTrue(exp.IndexOf("2=3") > - 1, exp);
query = new SpanNearQuery(new SpanQuery[]{new SpanTermQuery(new Term("handle", "1")), new SpanTermQuery(new Term("handle", "2"))}, 0, true);
hits = mSearcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(3, hits.Length);
explain = mSearcher.Explain(query, hits[0].Doc);
exp = explain.ToString(0);
Assert.IsTrue(exp.IndexOf("1=3") > - 1, exp);
Assert.IsTrue(exp.IndexOf("2=3") > - 1, exp);
mSearcher.Close();
}
public virtual void TestTermQueryMultiSearcherExplain()
{
// creating two directories for indices
Directory indexStoreA = new MockRAMDirectory();
Directory indexStoreB = new MockRAMDirectory();
Document lDoc = new Document();
lDoc.Add(new Field("handle", "1 2", Field.Store.YES, Field.Index.ANALYZED));
Document lDoc2 = new Document();
lDoc2.Add(new Field("handle", "1 2", Field.Store.YES, Field.Index.ANALYZED));
Document lDoc3 = new Document();
lDoc3.Add(new Field("handle", "1 2", Field.Store.YES, Field.Index.ANALYZED));
IndexWriter writerA = new IndexWriter(indexStoreA, new StandardAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
IndexWriter writerB = new IndexWriter(indexStoreB, new StandardAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
writerA.AddDocument(lDoc);
writerA.AddDocument(lDoc2);
writerA.Optimize();
writerA.Close();
writerB.AddDocument(lDoc3);
writerB.Close();
QueryParser parser = new QueryParser("fulltext", new StandardAnalyzer());
Query query = parser.Parse("handle:1");
Searcher[] searchers = new Searcher[2];
searchers[0] = new IndexSearcher(indexStoreB);
searchers[1] = new IndexSearcher(indexStoreA);
Searcher mSearcher = new MultiSearcher(searchers);
ScoreDoc[] hits = mSearcher.Search(query, null, 1000).scoreDocs;
Assert.AreEqual(3, hits.Length);
Explanation explain = mSearcher.Explain(query, hits[0].doc);
System.String exp = explain.ToString(0);
Assert.IsTrue(exp.IndexOf("maxDocs=3") > -1, exp);
Assert.IsTrue(exp.IndexOf("docFreq=3") > -1, exp);
query = parser.Parse("handle:\"1 2\"");
hits = mSearcher.Search(query, null, 1000).scoreDocs;
Assert.AreEqual(3, hits.Length);
explain = mSearcher.Explain(query, hits[0].doc);
exp = explain.ToString(0);
Assert.IsTrue(exp.IndexOf("1=3") > -1, exp);
Assert.IsTrue(exp.IndexOf("2=3") > -1, exp);
query = new SpanNearQuery(new SpanQuery[] { new SpanTermQuery(new Term("handle", "1")), new SpanTermQuery(new Term("handle", "2")) }, 0, true);
hits = mSearcher.Search(query, null, 1000).scoreDocs;
Assert.AreEqual(3, hits.Length);
explain = mSearcher.Explain(query, hits[0].doc);
exp = explain.ToString(0);
Assert.IsTrue(exp.IndexOf("1=3") > -1, exp);
Assert.IsTrue(exp.IndexOf("2=3") > -1, exp);
mSearcher.Close();
}