public virtual void TestConstantScoreQueryAndFilter()
{
Directory d = NewDirectory();
RandomIndexWriter w = new RandomIndexWriter(Random(), d);
Document doc = new Document();
doc.Add(NewStringField("field", "a", Field.Store.NO));
w.AddDocument(doc);
doc = new Document();
doc.Add(NewStringField("field", "b", Field.Store.NO));
w.AddDocument(doc);
IndexReader r = w.Reader;
w.Dispose();
Filter filterB = new CachingWrapperFilter(new QueryWrapperFilter(new TermQuery(new Term("field", "b"))));
Query query = new ConstantScoreQuery(filterB);
IndexSearcher s = NewSearcher(r);
Assert.AreEqual(1, s.Search(query, filterB, 1).TotalHits); // Query for field:b, Filter field:b
Filter filterA = new CachingWrapperFilter(new QueryWrapperFilter(new TermQuery(new Term("field", "a"))));
query = new ConstantScoreQuery(filterA);
Assert.AreEqual(0, s.Search(query, filterB, 1).TotalHits); // Query field:b, Filter field:a
r.Dispose();
d.Dispose();
}
public virtual Query GetQuery(XmlElement e)
{
XmlElement filterElem = DOMUtils.GetFirstChildOrFail(e);
Query q = new ConstantScoreQuery(filterFactory.GetFilter(filterElem));
q.Boost = DOMUtils.GetAttribute(e, "boost", 1.0f);
return q;
}
public virtual void Test1()
{
BooleanQuery q = new BooleanQuery();
PhraseQuery phraseQuery = new PhraseQuery();
phraseQuery.Slop = 1;
phraseQuery.Add(new Term(FIELD, "w1"));
phraseQuery.Add(new Term(FIELD, "w2"));
q.Add(phraseQuery, Occur.MUST);
q.Add(Snear(St("w2"), Sor("w5", "zz"), 4, true), Occur.SHOULD);
q.Add(Snear(Sf("w3", 2), St("w2"), St("w3"), 5, true), Occur.SHOULD);
Query t = new FilteredQuery(new TermQuery(new Term(FIELD, "xx")), new ItemizedFilter(new int[] { 1, 3 }));
t.Boost = 1000;
q.Add(t, Occur.SHOULD);
t = new ConstantScoreQuery(new ItemizedFilter(new int[] { 0, 2 }));
t.Boost = 30;
q.Add(t, Occur.SHOULD);
DisjunctionMaxQuery dm = new DisjunctionMaxQuery(0.2f);
dm.Add(Snear(St("w2"), Sor("w5", "zz"), 4, true));
dm.Add(new TermQuery(new Term(FIELD, "QQ")));
BooleanQuery xxYYZZ = new BooleanQuery();
xxYYZZ.Add(new TermQuery(new Term(FIELD, "xx")), Occur.SHOULD);
xxYYZZ.Add(new TermQuery(new Term(FIELD, "yy")), Occur.SHOULD);
xxYYZZ.Add(new TermQuery(new Term(FIELD, "zz")), Occur.MUST_NOT);
dm.Add(xxYYZZ);
BooleanQuery xxW1 = new BooleanQuery();
xxW1.Add(new TermQuery(new Term(FIELD, "xx")), Occur.MUST_NOT);
xxW1.Add(new TermQuery(new Term(FIELD, "w1")), Occur.MUST_NOT);
dm.Add(xxW1);
DisjunctionMaxQuery dm2 = new DisjunctionMaxQuery(0.5f);
dm2.Add(new TermQuery(new Term(FIELD, "w1")));
dm2.Add(new TermQuery(new Term(FIELD, "w2")));
dm2.Add(new TermQuery(new Term(FIELD, "w3")));
dm.Add(dm2);
q.Add(dm, Occur.SHOULD);
BooleanQuery b = new BooleanQuery();
b.MinimumNumberShouldMatch = 2;
b.Add(Snear("w1", "w2", 1, true), Occur.SHOULD);
b.Add(Snear("w2", "w3", 1, true), Occur.SHOULD);
b.Add(Snear("w1", "w3", 3, true), Occur.SHOULD);
q.Add(b, Occur.SHOULD);
Qtest(q, new int[] { 0, 1, 2 });
}
public virtual void TestCSQ()
{
Query q1 = new ConstantScoreQuery(new TermQuery(new Term("a", "b")));
Query q2 = new ConstantScoreQuery(new TermQuery(new Term("a", "c")));
Query q3 = new ConstantScoreQuery(TermRangeFilter.NewStringRange("a", "b", "c", true, true));
QueryUtils.Check(q1);
QueryUtils.Check(q2);
QueryUtils.CheckEqual(q1, q1);
QueryUtils.CheckEqual(q2, q2);
QueryUtils.CheckEqual(q3, q3);
QueryUtils.CheckUnequal(q1, q2);
QueryUtils.CheckUnequal(q2, q3);
QueryUtils.CheckUnequal(q1, q3);
QueryUtils.CheckUnequal(q1, new TermQuery(new Term("a", "b")));
}
public virtual void Test1()
{
BooleanQuery q = new BooleanQuery();
q.Add(qp.Parse("\"w1 w2\"~1"), Occur.MUST);
q.Add(Snear(St("w2"), Sor("w5", "zz"), 4, true), Occur.SHOULD);
q.Add(Snear(Sf("w3", 2), St("w2"), St("w3"), 5, true), Occur.SHOULD);
Query t = new FilteredQuery(qp.Parse("xx"), new ItemizedFilter(new int[]{1, 3}));
t.SetBoost(1000);
q.Add(t, Occur.SHOULD);
t = new ConstantScoreQuery(new ItemizedFilter(new int[]{0, 2}));
t.SetBoost(30);
q.Add(t, Occur.SHOULD);
DisjunctionMaxQuery dm = new DisjunctionMaxQuery(0.2f);
dm.Add(Snear(St("w2"), Sor("w5", "zz"), 4, true));
dm.Add(qp.Parse("QQ"));
dm.Add(qp.Parse("xx yy -zz"));
dm.Add(qp.Parse("-xx -w1"));
DisjunctionMaxQuery dm2 = new DisjunctionMaxQuery(0.5f);
dm2.Add(qp.Parse("w1"));
dm2.Add(qp.Parse("w2"));
dm2.Add(qp.Parse("w3"));
dm.Add(dm2);
q.Add(dm, Occur.SHOULD);
BooleanQuery b = new BooleanQuery();
b.SetMinimumNumberShouldMatch(2);
b.Add(Snear("w1", "w2", 1, true), Occur.SHOULD);
b.Add(Snear("w2", "w3", 1, true), Occur.SHOULD);
b.Add(Snear("w1", "w3", 3, true), Occur.SHOULD);
q.Add(b, Occur.SHOULD);
Qtest(q, new int[]{0, 1, 2});
}
public virtual void TestWrapped2Times()
{
Directory directory = null;
IndexReader reader = null;
IndexSearcher searcher = null;
try
{
directory = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(Random(), directory, Similarity, TimeZone);
Document doc = new Document();
doc.Add(NewStringField("field", "term", Field.Store.NO));
writer.AddDocument(doc);
reader = writer.Reader;
writer.Dispose();
// we don't wrap with AssertingIndexSearcher in order to have the original scorer in setScorer.
searcher = NewSearcher(reader, true, false);
// set a similarity that does not normalize our boost away
searcher.Similarity = new DefaultSimilarityAnonymousInnerClassHelper(this);
Query csq1 = new ConstantScoreQuery(new TermQuery(new Term("field", "term")));
csq1.Boost = 2.0f;
Query csq2 = new ConstantScoreQuery(csq1);
csq2.Boost = 5.0f;
BooleanQuery bq = new BooleanQuery();
bq.Add(csq1, BooleanClause.Occur.SHOULD);
bq.Add(csq2, BooleanClause.Occur.SHOULD);
Query csqbq = new ConstantScoreQuery(bq);
csqbq.Boost = 17.0f;
CheckHits(searcher, csq1, csq1.Boost, typeof(ConstantScoreQuery.ConstantScorer).Name, null);
CheckHits(searcher, csq2, csq2.Boost, typeof(ConstantScoreQuery.ConstantScorer).Name, typeof(ConstantScoreQuery.ConstantScorer).Name);
// for the combined BQ, the scorer should always be BooleanScorer's BucketScorer, because our scorer supports out-of order collection!
string bucketScorerClass = typeof(FakeScorer).Name;
CheckHits(searcher, bq, csq1.Boost + csq2.Boost, bucketScorerClass, null);
CheckHits(searcher, csqbq, csqbq.Boost, typeof(ConstantScoreQuery.ConstantScorer).Name, bucketScorerClass);
}
finally
{
if (reader != null)
{
reader.Dispose();
}
if (directory != null)
{
directory.Dispose();
}
}
}
public virtual void TestCSQ4()
{
Query q = new ConstantScoreQuery(new ItemizedFilter(new int[] { 3 }));
q.Boost = 0;
Bqtest(q, new int[] { 3 });
}
/// <summary>
/// check that the # of hits is the same as if the query
/// is run against the inverted index
/// </summary>
protected internal virtual void AssertSame(BytesRef lowerVal, BytesRef upperVal, bool includeLower, bool includeUpper)
{
Query docValues = new ConstantScoreQuery(DocTermOrdsRangeFilter.NewBytesRefRange(FieldName, lowerVal, upperVal, includeLower, includeUpper));
MultiTermQuery inverted = new TermRangeQuery(FieldName, lowerVal, upperVal, includeLower, includeUpper);
inverted.SetRewriteMethod(MultiTermQuery.CONSTANT_SCORE_FILTER_REWRITE);
TopDocs invertedDocs = Searcher1.Search(inverted, 25);
TopDocs docValuesDocs = Searcher2.Search(docValues, 25);
CheckHits.CheckEqual(inverted, invertedDocs.ScoreDocs, docValuesDocs.ScoreDocs);
}
public ConstantScorer(ConstantScoreQuery enclosingInstance, Similarity similarity, IndexReader reader, Weight w)
: base(similarity)
{
InitBlock(enclosingInstance);
theScore = w.GetValue();
bits = Enclosing_Instance.filter.Bits(reader);
}
private static void VisitQuery(ConstantScoreQuery query, AzureQueryLogger.IndentedTextWriter writer)
{
writer.WriteLine("Filter: {0}", (object)query.Filter);
}
public override Query Rewrite(IndexReader reader, MultiTermQuery query)
{
// Get the enum and start visiting terms. If we
// exhaust the enum before hitting either of the
// cutoffs, we use ConstantBooleanQueryRewrite; else,
// ConstantFilterRewrite:
System.Collections.ArrayList pendingTerms = new System.Collections.ArrayList();
int docCountCutoff = (int) ((docCountPercent / 100.0) * reader.MaxDoc());
int termCountLimit = System.Math.Min(BooleanQuery.GetMaxClauseCount(), termCountCutoff);
int docVisitCount = 0;
FilteredTermEnum enumerator = query.GetEnum(reader);
try
{
while (true)
{
Term t = enumerator.Term();
if (t != null)
{
pendingTerms.Add(t);
// Loading the TermInfo from the terms dict here
// should not be costly, because 1) the
// query/filter will load the TermInfo when it
// runs, and 2) the terms dict has a cache:
docVisitCount += reader.DocFreq(t);
}
if (pendingTerms.Count >= termCountLimit || docVisitCount >= docCountCutoff)
{
// Too many terms -- make a filter.
Query result = new ConstantScoreQuery(new MultiTermQueryWrapperFilter(query));
result.SetBoost(query.GetBoost());
return result;
}
else if (!enumerator.Next())
{
// Enumeration is done, and we hit a small
// enough number of terms & docs -- just make a
// BooleanQuery, now
System.Collections.IEnumerator it = pendingTerms.GetEnumerator();
BooleanQuery bq = new BooleanQuery(true);
while (it.MoveNext())
{
TermQuery tq = new TermQuery((Term) it.Current);
bq.Add(tq, BooleanClause.Occur.SHOULD);
}
// Strip scores
Query result = new ConstantScoreQuery(new QueryWrapperFilter(bq));
result.SetBoost(query.GetBoost());
query.IncTotalNumberOfTerms(pendingTerms.Count);
return result;
}
}
}
finally
{
enumerator.Close();
}
}
public virtual void TestPrefixFilter_Mem()
{
Directory directory = NewDirectory();
string[] categories = new string[] { "/Computers/Linux", "/Computers/Mac/One", "/Computers/Mac/Two", "/Computers/Windows" };
RandomIndexWriter writer = new RandomIndexWriter(Random(), directory, Similarity, TimeZone);
for (int i = 0; i < categories.Length; i++)
{
Document doc = new Document();
doc.Add(NewStringField("category", categories[i], Field.Store.YES));
writer.AddDocument(doc);
}
IndexReader reader = writer.Reader;
// PrefixFilter combined with ConstantScoreQuery
PrefixFilter filter = new PrefixFilter(new Term("category", "/Computers"));
Query query = new ConstantScoreQuery(filter);
IndexSearcher searcher = NewSearcher(reader);
ScoreDoc[] hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(4, hits.Length);
// test middle of values
filter = new PrefixFilter(new Term("category", "/Computers/Mac"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(2, hits.Length);
// test start of values
filter = new PrefixFilter(new Term("category", "/Computers/Linux"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(1, hits.Length);
// test end of values
filter = new PrefixFilter(new Term("category", "/Computers/Windows"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(1, hits.Length);
// test non-existant
filter = new PrefixFilter(new Term("category", "/Computers/ObsoleteOS"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
// test non-existant, before values
filter = new PrefixFilter(new Term("category", "/Computers/AAA"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
// test non-existant, after values
filter = new PrefixFilter(new Term("category", "/Computers/ZZZ"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
// test zero length prefix
filter = new PrefixFilter(new Term("category", ""));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(4, hits.Length);
// test non existent field
filter = new PrefixFilter(new Term("nonexistantfield", "/Computers"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
writer.Dispose();
reader.Dispose();
directory.Dispose();
}
public virtual void TestEnforceDeletions()
{
Directory dir = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(Random, dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)).SetMergeScheduler(new SerialMergeScheduler()).SetMergePolicy(NewLogMergePolicy(10)));
// asserts below requires no unexpected merges:
// NOTE: cannot use writer.getReader because RIW (on
// flipping a coin) may give us a newly opened reader,
// but we use .reopen on this reader below and expect to
// (must) get an NRT reader:
DirectoryReader reader = DirectoryReader.Open(writer.IndexWriter, true);
// same reason we don't wrap?
IndexSearcher searcher = NewSearcher(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
this,
#endif
reader, false);
// add a doc, refresh the reader, and check that it's there
Document doc = new Document();
doc.Add(NewStringField("id", "1", Field.Store.YES));
writer.AddDocument(doc);
reader = RefreshReader(reader);
searcher = NewSearcher(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
this,
#endif
reader, false);
TopDocs docs = searcher.Search(new MatchAllDocsQuery(), 1);
Assert.AreEqual(1, docs.TotalHits, "Should find a hit...");
Filter startFilter = new QueryWrapperFilter(new TermQuery(new Term("id", "1")));
CachingWrapperFilter filter = new CachingWrapperFilter(startFilter);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.IsTrue(filter.GetSizeInBytes() > 0);
Assert.AreEqual(1, docs.TotalHits, "[query + filter] Should find a hit...");
Query constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// make sure we get a cache hit when we reopen reader
// that had no change to deletions
// fake delete (deletes nothing):
writer.DeleteDocuments(new Term("foo", "bar"));
IndexReader oldReader = reader;
reader = RefreshReader(reader);
Assert.IsTrue(reader == oldReader);
int missCount = filter.missCount;
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// cache hit:
Assert.AreEqual(missCount, filter.missCount);
// now delete the doc, refresh the reader, and see that it's not there
writer.DeleteDocuments(new Term("id", "1"));
// NOTE: important to hold ref here so GC doesn't clear
// the cache entry! Else the assert below may sometimes
// fail:
oldReader = reader;
reader = RefreshReader(reader);
searcher = NewSearcher(reader, false);
missCount = filter.missCount;
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(0, docs.TotalHits, "[query + filter] Should *not* find a hit...");
// cache hit
Assert.AreEqual(missCount, filter.missCount);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(0, docs.TotalHits, "[just filter] Should *not* find a hit...");
// apply deletes dynamically:
filter = new CachingWrapperFilter(startFilter);
writer.AddDocument(doc);
reader = RefreshReader(reader);
searcher = NewSearcher(reader, false);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(1, docs.TotalHits, "[query + filter] Should find a hit...");
missCount = filter.missCount;
Assert.IsTrue(missCount > 0);
constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
Assert.AreEqual(missCount, filter.missCount);
writer.AddDocument(doc);
// NOTE: important to hold ref here so GC doesn't clear
// the cache entry! Else the assert below may sometimes
// fail:
oldReader = reader;
reader = RefreshReader(reader);
searcher = NewSearcher(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
this,
#endif
reader, false);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(2, docs.TotalHits, "[query + filter] Should find 2 hits...");
Assert.IsTrue(filter.missCount > missCount);
missCount = filter.missCount;
constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(2, docs.TotalHits, "[just filter] Should find a hit...");
Assert.AreEqual(missCount, filter.missCount);
// now delete the doc, refresh the reader, and see that it's not there
writer.DeleteDocuments(new Term("id", "1"));
reader = RefreshReader(reader);
searcher = NewSearcher(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
this,
#endif
reader, false);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(0, docs.TotalHits, "[query + filter] Should *not* find a hit...");
// CWF reused the same entry (it dynamically applied the deletes):
Assert.AreEqual(missCount, filter.missCount);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(0, docs.TotalHits, "[just filter] Should *not* find a hit...");
// CWF reused the same entry (it dynamically applied the deletes):
Assert.AreEqual(missCount, filter.missCount);
// NOTE: silliness to make sure JRE does not eliminate
// our holding onto oldReader to prevent
// CachingWrapperFilter's WeakHashMap from dropping the
// entry:
Assert.IsTrue(oldReader != null);
reader.Dispose();
writer.Dispose();
dir.Dispose();
}
public virtual void TestPrefixFilter_Renamed()
{
RAMDirectory directory = new RAMDirectory();
System.String[] categories = new System.String[] { "/Computers/Linux", "/Computers/Mac/One", "/Computers/Mac/Two", "/Computers/Windows" };
IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
for (int i = 0; i < categories.Length; i++)
{
Document doc = new Document();
doc.Add(new Field("category", categories[i], Field.Store.YES, Field.Index.NOT_ANALYZED));
writer.AddDocument(doc);
}
writer.Close();
// PrefixFilter combined with ConstantScoreQuery
PrefixFilter filter = new PrefixFilter(new Term("category", "/Computers"));
Query query = new ConstantScoreQuery(filter);
IndexSearcher searcher = new IndexSearcher(directory);
ScoreDoc[] hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(4, hits.Length);
// test middle of values
filter = new PrefixFilter(new Term("category", "/Computers/Mac"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(2, hits.Length);
// test start of values
filter = new PrefixFilter(new Term("category", "/Computers/Linux"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(1, hits.Length);
// test end of values
filter = new PrefixFilter(new Term("category", "/Computers/Windows"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(1, hits.Length);
// test non-existant
filter = new PrefixFilter(new Term("category", "/Computers/ObsoleteOS"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
// test non-existant, before values
filter = new PrefixFilter(new Term("category", "/Computers/AAA"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
// test non-existant, after values
filter = new PrefixFilter(new Term("category", "/Computers/ZZZ"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
// test zero length prefix
filter = new PrefixFilter(new Term("category", ""));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(4, hits.Length);
// test non existent field
filter = new PrefixFilter(new Term("nonexistantfield", "/Computers"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
}
public virtual Query VisitConstantScoreQuery(ConstantScoreQuery constantScoreq) { throw new NotImplementedException(); }
public ConstantWeight(ConstantScoreQuery outerInstance, IndexSearcher searcher)
{
this.outerInstance = outerInstance;
this.innerWeight = (outerInstance.m_query == null) ? null : outerInstance.m_query.CreateWeight(searcher);
}
public ConstantScorer(ConstantScoreQuery enclosingInstance, Similarity similarity, IndexReader reader, Weight w) : base(similarity)
{
InitBlock(enclosingInstance);
theScore = w.GetValue();
bits = Enclosing_Instance.filter.Bits(reader);
}
public void TestEnforceDeletions()
{
Directory dir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
IndexReader reader = writer.GetReader();
IndexSearcher searcher = new IndexSearcher(reader);
// add a doc, refresh the reader, and check that its there
Document doc = new Document();
doc.Add(new Field("id", "1", Field.Store.YES, Field.Index.NOT_ANALYZED));
writer.AddDocument(doc);
reader = RefreshReader(reader);
searcher = new IndexSearcher(reader);
TopDocs docs = searcher.Search(new MatchAllDocsQuery(), 1);
Assert.AreEqual(1, docs.TotalHits, "Should find a hit...");
Filter startFilter = new QueryWrapperFilter(new TermQuery(new Term("id", "1")));
// ignore deletions
CachingWrapperFilter filter = new CachingWrapperFilter(startFilter, CachingWrapperFilter.DeletesMode.IGNORE);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(1, docs.TotalHits, "[query + filter] Should find a hit...");
ConstantScoreQuery constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// now delete the doc, refresh the reader, and see that it's not there
writer.DeleteDocuments(new Term("id", "1"));
reader = RefreshReader(reader);
searcher = new IndexSearcher(reader);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(0, docs.TotalHits, "[query + filter] Should *not* find a hit...");
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// force cache to regenerate:
filter = new CachingWrapperFilter(startFilter, CachingWrapperFilter.DeletesMode.RECACHE);
writer.AddDocument(doc);
reader = RefreshReader(reader);
searcher = new IndexSearcher(reader);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(1, docs.TotalHits, "[query + filter] Should find a hit...");
constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// make sure we get a cache hit when we reopen reader
// that had no change to deletions
IndexReader newReader = RefreshReader(reader);
Assert.IsTrue(reader != newReader);
reader = newReader;
searcher = new IndexSearcher(reader);
int missCount = filter.missCount;
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
Assert.AreEqual(missCount, filter.missCount);
// now delete the doc, refresh the reader, and see that it's not there
writer.DeleteDocuments(new Term("id", "1"));
reader = RefreshReader(reader);
searcher = new IndexSearcher(reader);
missCount = filter.missCount;
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(missCount + 1, filter.missCount);
Assert.AreEqual(0, docs.TotalHits, "[query + filter] Should *not* find a hit...");
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(0, docs.TotalHits, "[just filter] Should *not* find a hit...");
// apply deletions dynamically
filter = new CachingWrapperFilter(startFilter, CachingWrapperFilter.DeletesMode.DYNAMIC);
writer.AddDocument(doc);
reader = RefreshReader(reader);
searcher = new IndexSearcher(reader);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(1, docs.TotalHits, "[query + filter] Should find a hit...");
constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// now delete the doc, refresh the reader, and see that it's not there
writer.DeleteDocuments(new Term("id", "1"));
reader = RefreshReader(reader);
searcher = new IndexSearcher(reader);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(0, docs.TotalHits, "[query + filter] Should *not* find a hit...");
missCount = filter.missCount;
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(0, docs.TotalHits, "[just filter] Should *not* find a hit...");
// doesn't count as a miss
Assert.AreEqual(missCount, filter.missCount);
}
public virtual void TestCSQ2()
{
Query q = new ConstantScoreQuery(new ItemizedFilter(new int[] { 1, 3 }));
Qtest(q, new int[] { 1, 3 });
}
public virtual void TestPrefixFilter_Mem()
{
Directory directory = NewDirectory();
string[] categories = new string[] { "/Computers/Linux", "/Computers/Mac/One", "/Computers/Mac/Two", "/Computers/Windows" };
RandomIndexWriter writer = new RandomIndexWriter(Random(), directory);
for (int i = 0; i < categories.Length; i++)
{
Document doc = new Document();
doc.Add(NewStringField("category", categories[i], Field.Store.YES));
writer.AddDocument(doc);
}
IndexReader reader = writer.Reader;
// PrefixFilter combined with ConstantScoreQuery
PrefixFilter filter = new PrefixFilter(new Term("category", "/Computers"));
Query query = new ConstantScoreQuery(filter);
IndexSearcher searcher = NewSearcher(reader);
ScoreDoc[] hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(4, hits.Length);
// test middle of values
filter = new PrefixFilter(new Term("category", "/Computers/Mac"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(2, hits.Length);
// test start of values
filter = new PrefixFilter(new Term("category", "/Computers/Linux"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(1, hits.Length);
// test end of values
filter = new PrefixFilter(new Term("category", "/Computers/Windows"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(1, hits.Length);
// test non-existant
filter = new PrefixFilter(new Term("category", "/Computers/ObsoleteOS"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
// test non-existant, before values
filter = new PrefixFilter(new Term("category", "/Computers/AAA"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
// test non-existant, after values
filter = new PrefixFilter(new Term("category", "/Computers/ZZZ"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
// test zero length prefix
filter = new PrefixFilter(new Term("category", ""));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(4, hits.Length);
// test non existent field
filter = new PrefixFilter(new Term("nonexistantfield", "/Computers"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.AreEqual(0, hits.Length);
writer.Dispose();
reader.Dispose();
directory.Dispose();
}
public ConstantScorer(ConstantScoreQuery enclosingInstance, Similarity similarity, IndexReader reader, Weight w) : base(similarity)
{
InitBlock(enclosingInstance);
theScore = w.GetValue();
docIdSetIterator = Enclosing_Instance.filter.GetDocIdSet(reader).Iterator();
}
private void InitBlock(ConstantScoreQuery enclosingInstance)
{
this.enclosingInstance = enclosingInstance;
}
public override Query Rewrite(IndexReader reader, MultiTermQuery query)
{
// strip the scores off
Query result = new ConstantScoreQuery(new QueryWrapperFilter(base.Rewrite(reader, query)));
result.SetBoost(query.GetBoost());
return result;
}
public ConstantWeight(ConstantScoreQuery enclosingInstance, Searcher searcher)
{
InitBlock(enclosingInstance);
this.similarity = Enclosing_Instance.GetSimilarity(searcher);
}
public override Query Rewrite(IndexReader reader, MultiTermQuery query)
{
Query result = new ConstantScoreQuery(new MultiTermQueryWrapperFilter(query));
result.SetBoost(query.GetBoost());
return result;
}
public override Query Rewrite(IndexReader reader)
{
if (query != null)
{
Query rewritten = query.Rewrite(reader);
if (rewritten != query)
{
rewritten = new ConstantScoreQuery(rewritten);
rewritten.Boost = this.Boost;
return rewritten;
}
}
else
{
Debug.Assert(filter != null);
// Fix outdated usage pattern from Lucene 2.x/early-3.x:
// because ConstantScoreQuery only accepted filters,
// QueryWrapperFilter was used to wrap queries.
if (filter is QueryWrapperFilter)
{
QueryWrapperFilter qwf = (QueryWrapperFilter)filter;
Query rewritten = new ConstantScoreQuery(qwf.Query.Rewrite(reader));
rewritten.Boost = this.Boost;
return rewritten;
}
}
return this;
}
public ConstantScorer(ConstantScoreQuery outerInstance, DocIdSetIterator docIdSetIterator, Weight w, float theScore)
: base(w)
{
this.OuterInstance = outerInstance;
this.TheScore = theScore;
this.DocIdSetIterator = docIdSetIterator;
}
public ConstantBulkScorer(ConstantScoreQuery outerInstance, BulkScorer bulkScorer, Weight weight, float theScore)
{
this.OuterInstance = outerInstance;
this.BulkScorer = bulkScorer;
this.Weight = weight;
this.TheScore = theScore;
}
public virtual void TestPrefixFilter_Renamed_Method()
{
RAMDirectory directory = new RAMDirectory();
System.String[] categories = new System.String[]{"/Computers/Linux", "/Computers/Mac/One", "/Computers/Mac/Two", "/Computers/Windows"};
IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true);
for (int i = 0; i < categories.Length; i++)
{
Document doc = new Document();
doc.Add(new Field("category", categories[i], Field.Store.YES, Field.Index.UN_TOKENIZED));
writer.AddDocument(doc);
}
writer.Close();
// PrefixFilter combined with ConstantScoreQuery
PrefixFilter filter = new PrefixFilter(new Term("category", "/Computers"));
Query query = new ConstantScoreQuery(filter);
IndexSearcher searcher = new IndexSearcher(directory);
Hits hits = searcher.Search(query);
Assert.AreEqual(4, hits.Length());
// test middle of values
filter = new PrefixFilter(new Term("category", "/Computers/Mac"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query);
Assert.AreEqual(2, hits.Length());
// test start of values
filter = new PrefixFilter(new Term("category", "/Computers/Linux"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query);
Assert.AreEqual(1, hits.Length());
// test end of values
filter = new PrefixFilter(new Term("category", "/Computers/Windows"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query);
Assert.AreEqual(1, hits.Length());
// test non-existant
filter = new PrefixFilter(new Term("category", "/Computers/ObsoleteOS"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query);
Assert.AreEqual(0, hits.Length());
// test non-existant, before values
filter = new PrefixFilter(new Term("category", "/Computers/AAA"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query);
Assert.AreEqual(0, hits.Length());
// test non-existant, after values
filter = new PrefixFilter(new Term("category", "/Computers/ZZZ"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query);
Assert.AreEqual(0, hits.Length());
// test zero length prefix
filter = new PrefixFilter(new Term("category", ""));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query);
Assert.AreEqual(4, hits.Length());
// test non existent field
filter = new PrefixFilter(new Term("nonexistantfield", "/Computers"));
query = new ConstantScoreQuery(filter);
hits = searcher.Search(query);
Assert.AreEqual(0, hits.Length());
}
public ConstantScorer(ConstantScoreQuery enclosingInstance, Similarity similarity, IndexReader reader, Weight w):base(similarity)
{
InitBlock(enclosingInstance);
theScore = w.GetValue();
DocIdSet docIdSet = Enclosing_Instance.filter.GetDocIdSet(reader);
if (docIdSet == null)
{
docIdSetIterator = DocIdSet.EMPTY_DOCIDSET.Iterator();
}
else
{
DocIdSetIterator iter = docIdSet.Iterator();
if (iter == null)
{
docIdSetIterator = DocIdSet.EMPTY_DOCIDSET.Iterator();
}
else
{
docIdSetIterator = iter;
}
}
}
public void TestEnforceDeletions()
{
Directory dir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
IndexReader reader = writer.GetReader();
IndexSearcher searcher = new IndexSearcher(reader);
// add a doc, refresh the reader, and check that its there
Document doc = new Document();
doc.Add(new Field("id", "1", Field.Store.YES, Field.Index.NOT_ANALYZED));
writer.AddDocument(doc);
reader = RefreshReader(reader);
searcher = new IndexSearcher(reader);
TopDocs docs = searcher.Search(new MatchAllDocsQuery(), 1);
Assert.AreEqual(1, docs.TotalHits, "Should find a hit...");
SpanFilter startFilter = new SpanQueryFilter(new SpanTermQuery(new Term("id", "1")));
// ignore deletions
CachingSpanFilter filter = new CachingSpanFilter(startFilter, CachingWrapperFilter.DeletesMode.IGNORE);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(1, docs.TotalHits, "[query + filter] Should find a hit...");
ConstantScoreQuery constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// now delete the doc, refresh the reader, and see that it's not there
writer.DeleteDocuments(new Term("id", "1"));
reader = RefreshReader(reader);
searcher = new IndexSearcher(reader);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(0, docs.TotalHits, "[query + filter] Should *not* find a hit...");
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// force cache to regenerate:
filter = new CachingSpanFilter(startFilter, CachingWrapperFilter.DeletesMode.RECACHE);
writer.AddDocument(doc);
reader = RefreshReader(reader);
searcher = new IndexSearcher(reader);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(1, docs.TotalHits, "[query + filter] Should find a hit...");
constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// make sure we get a cache hit when we reopen readers
// that had no new deletions
IndexReader newReader = RefreshReader(reader);
Assert.IsTrue(reader != newReader);
reader = newReader;
searcher = new IndexSearcher(reader);
int missCount = filter.missCount;
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
Assert.AreEqual(missCount, filter.missCount);
// now delete the doc, refresh the reader, and see that it's not there
writer.DeleteDocuments(new Term("id", "1"));
reader = RefreshReader(reader);
searcher = new IndexSearcher(reader);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(0, docs.TotalHits, "[query + filter] Should *not* find a hit...");
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(0, docs.TotalHits, "[just filter] Should *not* find a hit...");
}
public ConstantWeight(ConstantScoreQuery enclosingInstance, Searcher searcher)
{
InitBlock(enclosingInstance);
this.similarity = Enclosing_Instance.GetSimilarity(searcher);
}
public virtual void Test1()
{
BooleanQuery q = new BooleanQuery();
PhraseQuery phraseQuery = new PhraseQuery();
phraseQuery.Slop = 1;
phraseQuery.Add(new Term(FIELD, "w1"));
phraseQuery.Add(new Term(FIELD, "w2"));
q.Add(phraseQuery, Occur.MUST);
q.Add(Snear(St("w2"), Sor("w5", "zz"), 4, true), Occur.SHOULD);
q.Add(Snear(Sf("w3", 2), St("w2"), St("w3"), 5, true), Occur.SHOULD);
Query t = new FilteredQuery(new TermQuery(new Term(FIELD, "xx")), new ItemizedFilter(new int[] { 1, 3 }));
t.Boost = 1000;
q.Add(t, Occur.SHOULD);
t = new ConstantScoreQuery(new ItemizedFilter(new int[] { 0, 2 }));
t.Boost = 30;
q.Add(t, Occur.SHOULD);
DisjunctionMaxQuery dm = new DisjunctionMaxQuery(0.2f);
dm.Add(Snear(St("w2"), Sor("w5", "zz"), 4, true));
dm.Add(new TermQuery(new Term(FIELD, "QQ")));
BooleanQuery xxYYZZ = new BooleanQuery();
xxYYZZ.Add(new TermQuery(new Term(FIELD, "xx")), Occur.SHOULD);
xxYYZZ.Add(new TermQuery(new Term(FIELD, "yy")), Occur.SHOULD);
xxYYZZ.Add(new TermQuery(new Term(FIELD, "zz")), Occur.MUST_NOT);
dm.Add(xxYYZZ);
BooleanQuery xxW1 = new BooleanQuery();
xxW1.Add(new TermQuery(new Term(FIELD, "xx")), Occur.MUST_NOT);
xxW1.Add(new TermQuery(new Term(FIELD, "w1")), Occur.MUST_NOT);
dm.Add(xxW1);
DisjunctionMaxQuery dm2 = new DisjunctionMaxQuery(0.5f);
dm2.Add(new TermQuery(new Term(FIELD, "w1")));
dm2.Add(new TermQuery(new Term(FIELD, "w2")));
dm2.Add(new TermQuery(new Term(FIELD, "w3")));
dm.Add(dm2);
q.Add(dm, Occur.SHOULD);
BooleanQuery b = new BooleanQuery();
b.MinimumNumberShouldMatch = 2;
b.Add(Snear("w1", "w2", 1, true), Occur.SHOULD);
b.Add(Snear("w2", "w3", 1, true), Occur.SHOULD);
b.Add(Snear("w1", "w3", 3, true), Occur.SHOULD);
q.Add(b, Occur.SHOULD);
Qtest(q, new int[] { 0, 1, 2 });
}
public virtual void TestCSQ3()
{
Query q = new ConstantScoreQuery(new ItemizedFilter(new int[]{0, 2}));
q.Boost = 1000;
Qtest(q, new int[]{0, 2});
}
public ConstantWeight(ConstantScoreQuery outerInstance, IndexSearcher searcher)
{
this.OuterInstance = outerInstance;
this.InnerWeight = (outerInstance.query == null) ? null : outerInstance.query.CreateWeight(searcher);
}
public override Query Rewrite(IndexReader reader, MultiTermQuery query)
{
Query result = new ConstantScoreQuery(new MultiTermQueryDocTermOrdsWrapperFilter(query));
result.Boost = query.Boost;
return result;
}
private void InitBlock(ConstantScoreQuery enclosingInstance)
{
this.enclosingInstance = enclosingInstance;
}
internal virtual BitArray AddClause(BooleanQuery bq, BitArray result)
{
BitArray rnd = Sets[Random().Next(Sets.Length)];
Query q = new ConstantScoreQuery(new FilterAnonymousInnerClassHelper(this, rnd));
bq.Add(q, BooleanClause.Occur.MUST);
if (Validate)
{
if (result == null)
{
result = (BitArray)rnd.Clone();
}
else
{
result = result.And(rnd);
}
}
return result;
}
public virtual void TestCSQ2()
{
Query q = new ConstantScoreQuery(new ItemizedFilter(new int[]{1, 3}));
Qtest(q, new int[]{1, 3});
}
public virtual void TestEnforceDeletions()
{
Directory dir = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(Random(), dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMergeScheduler(new SerialMergeScheduler()).SetMergePolicy(NewLogMergePolicy(10)));
// asserts below requires no unexpected merges:
// NOTE: cannot use writer.getReader because RIW (on
// flipping a coin) may give us a newly opened reader,
// but we use .reopen on this reader below and expect to
// (must) get an NRT reader:
DirectoryReader reader = DirectoryReader.Open(writer.w, true);
// same reason we don't wrap?
IndexSearcher searcher = NewSearcher(reader, false);
// add a doc, refresh the reader, and check that it's there
Document doc = new Document();
doc.Add(NewStringField("id", "1", Field.Store.YES));
writer.AddDocument(doc);
reader = RefreshReader(reader);
searcher = NewSearcher(reader, false);
TopDocs docs = searcher.Search(new MatchAllDocsQuery(), 1);
Assert.AreEqual(1, docs.TotalHits, "Should find a hit...");
Filter startFilter = new QueryWrapperFilter(new TermQuery(new Term("id", "1")));
CachingWrapperFilter filter = new CachingWrapperFilter(startFilter);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.IsTrue(filter.SizeInBytes() > 0);
Assert.AreEqual(1, docs.TotalHits, "[query + filter] Should find a hit...");
Query constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// make sure we get a cache hit when we reopen reader
// that had no change to deletions
// fake delete (deletes nothing):
writer.DeleteDocuments(new Term("foo", "bar"));
IndexReader oldReader = reader;
reader = RefreshReader(reader);
Assert.IsTrue(reader == oldReader);
int missCount = filter.MissCount;
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
// cache hit:
Assert.AreEqual(missCount, filter.MissCount);
// now delete the doc, refresh the reader, and see that it's not there
writer.DeleteDocuments(new Term("id", "1"));
// NOTE: important to hold ref here so GC doesn't clear
// the cache entry! Else the assert below may sometimes
// fail:
oldReader = reader;
reader = RefreshReader(reader);
searcher = NewSearcher(reader, false);
missCount = filter.MissCount;
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(0, docs.TotalHits, "[query + filter] Should *not* find a hit...");
// cache hit
Assert.AreEqual(missCount, filter.MissCount);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(0, docs.TotalHits, "[just filter] Should *not* find a hit...");
// apply deletes dynamically:
filter = new CachingWrapperFilter(startFilter);
writer.AddDocument(doc);
reader = RefreshReader(reader);
searcher = NewSearcher(reader, false);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(1, docs.TotalHits, "[query + filter] Should find a hit...");
missCount = filter.MissCount;
Assert.IsTrue(missCount > 0);
constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(1, docs.TotalHits, "[just filter] Should find a hit...");
Assert.AreEqual(missCount, filter.MissCount);
writer.AddDocument(doc);
// NOTE: important to hold ref here so GC doesn't clear
// the cache entry! Else the assert below may sometimes
// fail:
oldReader = reader;
reader = RefreshReader(reader);
searcher = NewSearcher(reader, false);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(2, docs.TotalHits, "[query + filter] Should find 2 hits...");
Assert.IsTrue(filter.MissCount > missCount);
missCount = filter.MissCount;
constantScore = new ConstantScoreQuery(filter);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(2, docs.TotalHits, "[just filter] Should find a hit...");
Assert.AreEqual(missCount, filter.MissCount);
// now delete the doc, refresh the reader, and see that it's not there
writer.DeleteDocuments(new Term("id", "1"));
reader = RefreshReader(reader);
searcher = NewSearcher(reader, false);
docs = searcher.Search(new MatchAllDocsQuery(), filter, 1);
Assert.AreEqual(0, docs.TotalHits, "[query + filter] Should *not* find a hit...");
// CWF reused the same entry (it dynamically applied the deletes):
Assert.AreEqual(missCount, filter.MissCount);
docs = searcher.Search(constantScore, 1);
Assert.AreEqual(0, docs.TotalHits, "[just filter] Should *not* find a hit...");
// CWF reused the same entry (it dynamically applied the deletes):
Assert.AreEqual(missCount, filter.MissCount);
// NOTE: silliness to make sure JRE does not eliminate
// our holding onto oldReader to prevent
// CachingWrapperFilter's WeakHashMap from dropping the
// entry:
Assert.IsTrue(oldReader != null);
reader.Dispose();
writer.Dispose();
dir.Dispose();
}
public override Query Rewrite(IndexReader reader)
{
// Map to RangeFilter semantics which are slightly different...
RangeFilter rangeFilt = new RangeFilter(fieldName, lowerVal != null ? lowerVal : "", upperVal, (System.Object) lowerVal == (System.Object) ""?false:includeLower, upperVal == null?false:includeUpper);
Query q = new ConstantScoreQuery(rangeFilt);
q.SetBoost(GetBoost());
return q;
}
internal virtual System.Collections.BitArray AddClause(BooleanQuery bq, System.Collections.BitArray result)
{
System.Collections.BitArray rnd = sets[r.Next(sets.Length)];
Query q = new ConstantScoreQuery(new BitSetFilter(rnd));
bq.Add(q, BooleanClause.Occur.MUST);
if (validate)
{
if (result == null)
result = (System.Collections.BitArray) rnd.Clone();
else
{
result.And(rnd);
}
}
return result;
}
