| public Terms ( string field ) : Lucene.Net.Index.Terms | ||
| field | string | |
| return | Lucene.Net.Index.Terms | |
public virtual void TestDocsEnumStart()
{
Directory dir = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(Random(), dir, Similarity, TimeZone);
Document doc = new Document();
doc.Add(NewStringField("foo", "bar", Field.Store.NO));
writer.AddDocument(doc);
DirectoryReader reader = writer.Reader;
AtomicReader r = GetOnlySegmentReader(reader);
DocsEnum disi = TestUtil.Docs(Random(), r, "foo", new BytesRef("bar"), null, null, DocsEnum.FLAG_NONE);
int docid = disi.DocID();
Assert.AreEqual(-1, docid);
Assert.IsTrue(disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
// now reuse and check again
TermsEnum te = r.Terms("foo").Iterator(null);
Assert.IsTrue(te.SeekExact(new BytesRef("bar")));
disi = TestUtil.Docs(Random(), te, null, disi, DocsEnum.FLAG_NONE);
docid = disi.DocID();
Assert.AreEqual(-1, docid);
Assert.IsTrue(disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
writer.Dispose();
r.Dispose();
dir.Dispose();
}
public virtual void TestDocsAndPositionsEnumStart()
{
Directory dir = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(Random(), dir);
Document doc = new Document();
doc.Add(NewTextField("foo", "bar", Field.Store.NO));
writer.AddDocument(doc);
DirectoryReader reader = writer.Reader;
AtomicReader r = GetOnlySegmentReader(reader);
DocsAndPositionsEnum disi = r.TermPositionsEnum(new Term("foo", "bar"));
int docid = disi.DocID();
Assert.AreEqual(-1, docid);
Assert.IsTrue(disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
// now reuse and check again
TermsEnum te = r.Terms("foo").Iterator(null);
Assert.IsTrue(te.SeekExact(new BytesRef("bar")));
disi = te.DocsAndPositions(null, disi);
docid = disi.DocID();
Assert.AreEqual(-1, docid);
Assert.IsTrue(disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
writer.Dispose();
r.Dispose();
dir.Dispose();
}
public override void Warm(AtomicReader reader)
{
long startTime = Environment.TickCount;
int indexedCount = 0;
int docValuesCount = 0;
int normsCount = 0;
foreach (FieldInfo info in reader.FieldInfos)
{
if (info.Indexed)
{
reader.Terms(info.Name);
indexedCount++;
if (info.HasNorms())
{
reader.GetNormValues(info.Name);
normsCount++;
}
}
if (info.HasDocValues())
{
switch (info.DocValuesType)
{
case DocValuesType_e.NUMERIC:
reader.GetNumericDocValues(info.Name);
break;
case DocValuesType_e.BINARY:
reader.GetBinaryDocValues(info.Name);
break;
case DocValuesType_e.SORTED:
reader.GetSortedDocValues(info.Name);
break;
case DocValuesType_e.SORTED_SET:
reader.GetSortedSetDocValues(info.Name);
break;
default:
Debug.Assert(false); // unknown dv type
break;
}
docValuesCount++;
}
}
reader.Document(0);
reader.GetTermVectors(0);
if (InfoStream.IsEnabled("SMSW"))
{
InfoStream.Message("SMSW", "Finished warming segment: " + reader + ", indexed=" + indexedCount + ", docValues=" + docValuesCount + ", norms=" + normsCount + ", time=" + (Environment.TickCount - startTime));
}
}
public override void Warm(AtomicReader reader)
{
long startTime = DateTime.Now.Millisecond;
int indexedCount = 0;
int docValuesCount = 0;
int normsCount = 0;
foreach (FieldInfo info in reader.FieldInfos)
{
if (info.Indexed)
{
reader.Terms(info.Name);
indexedCount++;
if (info.HasNorms())
{
reader.GetNormValues(info.Name);
normsCount++;
}
}
if (info.HasDocValues())
{
switch (info.DocValuesType)
{
case DocValuesType_e.NUMERIC:
reader.GetNumericDocValues(info.Name);
break;
case DocValuesType_e.BINARY:
reader.GetBinaryDocValues(info.Name);
break;
case DocValuesType_e.SORTED:
reader.GetSortedDocValues(info.Name);
break;
case DocValuesType_e.SORTED_SET:
reader.GetSortedSetDocValues(info.Name);
break;
default:
Debug.Assert(false); // unknown dv type
break;
}
docValuesCount++;
}
}
reader.Document(0);
reader.GetTermVectors(0);
if (InfoStream.IsEnabled("SMSW"))
{
InfoStream.Message("SMSW", "Finished warming segment: " + reader + ", indexed=" + indexedCount + ", docValues=" + docValuesCount + ", norms=" + normsCount + ", time=" + (DateTime.Now.Millisecond - startTime));
}
}
public virtual DocsAndPositionsEnum GetDocsAndPositions(AtomicReader reader, BytesRef bytes, Bits liveDocs)
{
Terms terms = reader.Terms(FieldName);
if (terms != null)
{
TermsEnum te = terms.Iterator(null);
if (te.SeekExact(bytes))
{
return te.DocsAndPositions(liveDocs, null);
}
}
return null;
}
public virtual DocsAndPositionsEnum GetDocsAndPositions(AtomicReader reader, BytesRef bytes, Bits liveDocs)
{
Terms terms = reader.Terms(FieldName);
if (terms != null)
{
TermsEnum te = terms.Iterator(null);
if (te.SeekExact(bytes))
{
return(te.DocsAndPositions(liveDocs, null));
}
}
return(null);
}
public virtual void Test()
{
IList <string> postingsList = new List <string>();
int numTerms = AtLeast(300);
int maxTermsPerDoc = TestUtil.NextInt(Random(), 10, 20);
bool isSimpleText = "SimpleText".Equals(TestUtil.GetPostingsFormat("field"));
IndexWriterConfig iwc = NewIndexWriterConfig(Random(), TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
if ((isSimpleText || iwc.MergePolicy is MockRandomMergePolicy) && (TEST_NIGHTLY || RANDOM_MULTIPLIER > 1))
{
// Otherwise test can take way too long (> 2 hours)
numTerms /= 2;
}
if (VERBOSE)
{
Console.WriteLine("maxTermsPerDoc=" + maxTermsPerDoc);
Console.WriteLine("numTerms=" + numTerms);
}
for (int i = 0; i < numTerms; i++)
{
string term = Convert.ToString(i);
for (int j = 0; j < i; j++)
{
postingsList.Add(term);
}
}
postingsList = CollectionsHelper.Shuffle(postingsList);
ConcurrentQueue <string> postings = new ConcurrentQueue <string>(postingsList);
Directory dir = NewFSDirectory(CreateTempDir(GetFullMethodName()));
RandomIndexWriter iw = new RandomIndexWriter(Random(), dir, iwc);
int threadCount = TestUtil.NextInt(Random(), 1, 5);
if (VERBOSE)
{
Console.WriteLine("config: " + iw.w.Config);
Console.WriteLine("threadCount=" + threadCount);
}
Field prototype = NewTextField("field", "", Field.Store.NO);
FieldType fieldType = new FieldType((FieldType)prototype.FieldType);
if (Random().NextBoolean())
{
fieldType.OmitNorms = true;
}
int options = Random().Next(3);
if (options == 0)
{
fieldType.IndexOptions = FieldInfo.IndexOptions.DOCS_AND_FREQS; // we dont actually need positions
fieldType.StoreTermVectors = true; // but enforce term vectors when we do this so we check SOMETHING
}
else if (options == 1 && !DoesntSupportOffsets.Contains(TestUtil.GetPostingsFormat("field")))
{
fieldType.IndexOptions = FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
}
// else just positions
ThreadClass[] threads = new ThreadClass[threadCount];
CountdownEvent startingGun = new CountdownEvent(1);
for (int threadID = 0; threadID < threadCount; threadID++)
{
Random threadRandom = new Random(Random().Next());
Document document = new Document();
Field field = new Field("field", "", fieldType);
document.Add(field);
threads[threadID] = new ThreadAnonymousInnerClassHelper(this, numTerms, maxTermsPerDoc, postings, iw, startingGun, threadRandom, document, field);
threads[threadID].Start();
}
startingGun.Signal();
foreach (ThreadClass t in threads)
{
t.Join();
}
iw.ForceMerge(1);
DirectoryReader ir = iw.Reader;
Assert.AreEqual(1, ir.Leaves.Count);
AtomicReader air = (AtomicReader)ir.Leaves[0].Reader;
Terms terms = air.Terms("field");
// numTerms-1 because there cannot be a term 0 with 0 postings:
Assert.AreEqual(numTerms - 1, terms.Size());
TermsEnum termsEnum = terms.Iterator(null);
BytesRef termBR;
while ((termBR = termsEnum.Next()) != null)
{
int value = Convert.ToInt32(termBR.Utf8ToString());
Assert.AreEqual(value, termsEnum.TotalTermFreq());
// don't really need to check more than this, as CheckIndex
// will verify that totalTermFreq == total number of positions seen
// from a docsAndPositionsEnum.
}
ir.Dispose();
iw.Dispose();
dir.Dispose();
}
public virtual void Test()
{
IList <string> postingsList = new List <string>();
int numTerms = AtLeast(300);
int maxTermsPerDoc = TestUtil.NextInt(Random(), 10, 20);
bool isSimpleText = "SimpleText".Equals(TestUtil.GetPostingsFormat("field"));
IndexWriterConfig iwc = NewIndexWriterConfig(Random(), TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
if ((isSimpleText || iwc.MergePolicy is MockRandomMergePolicy) && (TEST_NIGHTLY || RANDOM_MULTIPLIER > 1))
{
// Otherwise test can take way too long (> 2 hours)
numTerms /= 2;
}
if (VERBOSE)
{
Console.WriteLine("maxTermsPerDoc=" + maxTermsPerDoc);
Console.WriteLine("numTerms=" + numTerms);
}
for (int i = 0; i < numTerms; i++)
{
string term = Convert.ToString(i);
for (int j = 0; j < i; j++)
{
postingsList.Add(term);
}
}
postingsList = CollectionsHelper.Shuffle(postingsList);
ConcurrentQueue <string> postings = new ConcurrentQueue <string>(postingsList);
Directory dir = NewFSDirectory(CreateTempDir("bagofpostings"));
RandomIndexWriter iw = new RandomIndexWriter(Random(), dir, iwc);
int threadCount = TestUtil.NextInt(Random(), 1, 5);
if (VERBOSE)
{
Console.WriteLine("config: " + iw.w.Config);
Console.WriteLine("threadCount=" + threadCount);
}
ThreadClass[] threads = new ThreadClass[threadCount];
CountdownEvent startingGun = new CountdownEvent(1);
for (int threadID = 0; threadID < threadCount; threadID++)
{
threads[threadID] = new ThreadAnonymousInnerClassHelper(this, maxTermsPerDoc, postings, iw, startingGun);
threads[threadID].Start();
}
startingGun.Signal();
foreach (ThreadClass t in threads)
{
t.Join();
}
iw.ForceMerge(1);
DirectoryReader ir = iw.Reader;
Assert.AreEqual(1, ir.Leaves.Count);
AtomicReader air = (AtomicReader)ir.Leaves[0].Reader;
Terms terms = air.Terms("field");
// numTerms-1 because there cannot be a term 0 with 0 postings:
Assert.AreEqual(numTerms - 1, air.Fields.UniqueTermCount);
if (iwc.Codec is Lucene3xCodec == false)
{
Assert.AreEqual(numTerms - 1, terms.Size());
}
TermsEnum termsEnum = terms.Iterator(null);
BytesRef term_;
while ((term_ = termsEnum.Next()) != null)
{
int value = Convert.ToInt32(term_.Utf8ToString());
Assert.AreEqual(value, termsEnum.DocFreq());
// don't really need to check more than this, as CheckIndex
// will verify that docFreq == actual number of documents seen
// from a docsAndPositionsEnum.
}
ir.Dispose();
iw.Dispose();
dir.Dispose();
}
public virtual void TestIgnoreStoredFields()
{
Directory dir1 = GetDir1(Random());
Directory dir2 = GetDir2(Random());
CompositeReader ir1 = DirectoryReader.Open(dir1);
CompositeReader ir2 = DirectoryReader.Open(dir2);
// with overlapping
ParallelCompositeReader pr = new ParallelCompositeReader(false, new CompositeReader[] { ir1, ir2 }, new CompositeReader[] { ir1 });
Assert.AreEqual("v1", pr.Document(0).Get("f1"));
Assert.AreEqual("v1", pr.Document(0).Get("f2"));
Assert.IsNull(pr.Document(0).Get("f3"));
Assert.IsNull(pr.Document(0).Get("f4"));
// check that fields are there
AtomicReader slow = SlowCompositeReaderWrapper.Wrap(pr);
Assert.IsNotNull(slow.Terms("f1"));
Assert.IsNotNull(slow.Terms("f2"));
Assert.IsNotNull(slow.Terms("f3"));
Assert.IsNotNull(slow.Terms("f4"));
pr.Dispose();
// no stored fields at all
pr = new ParallelCompositeReader(false, new CompositeReader[] { ir2 }, new CompositeReader[0]);
Assert.IsNull(pr.Document(0).Get("f1"));
Assert.IsNull(pr.Document(0).Get("f2"));
Assert.IsNull(pr.Document(0).Get("f3"));
Assert.IsNull(pr.Document(0).Get("f4"));
// check that fields are there
slow = SlowCompositeReaderWrapper.Wrap(pr);
Assert.IsNull(slow.Terms("f1"));
Assert.IsNull(slow.Terms("f2"));
Assert.IsNotNull(slow.Terms("f3"));
Assert.IsNotNull(slow.Terms("f4"));
pr.Dispose();
// without overlapping
pr = new ParallelCompositeReader(true, new CompositeReader[] { ir2 }, new CompositeReader[] { ir1 });
Assert.AreEqual("v1", pr.Document(0).Get("f1"));
Assert.AreEqual("v1", pr.Document(0).Get("f2"));
Assert.IsNull(pr.Document(0).Get("f3"));
Assert.IsNull(pr.Document(0).Get("f4"));
// check that fields are there
slow = SlowCompositeReaderWrapper.Wrap(pr);
Assert.IsNull(slow.Terms("f1"));
Assert.IsNull(slow.Terms("f2"));
Assert.IsNotNull(slow.Terms("f3"));
Assert.IsNotNull(slow.Terms("f4"));
pr.Dispose();
// no main readers
try
{
new ParallelCompositeReader(true, new CompositeReader[0], new CompositeReader[] { ir1 });
Assert.Fail("didn't get expected exception: need a non-empty main-reader array");
}
catch (System.ArgumentException iae)
{
// pass
}
dir1.Dispose();
dir2.Dispose();
}