public override void WriteField(FieldInfo info, IIndexableField field)
{
fieldsStream.WriteVInt32(info.Number);
int bits = 0;
BytesRef bytes;
string @string;
// TODO: maybe a field should serialize itself?
// this way we don't bake into indexer all these
// specific encodings for different fields? and apps
// can customize...
// LUCENENET specific - To avoid boxing/unboxing, we don't
// call GetNumericValue(). Instead, we check the field.NumericType and then
// call the appropriate conversion method.
if (field.NumericType != NumericFieldType.NONE)
{
switch (field.NumericType)
{
case NumericFieldType.BYTE:
case NumericFieldType.INT16:
case NumericFieldType.INT32:
bits |= FIELD_IS_NUMERIC_INT;
break;
case NumericFieldType.INT64:
bits |= FIELD_IS_NUMERIC_LONG;
break;
case NumericFieldType.SINGLE:
bits |= FIELD_IS_NUMERIC_FLOAT;
break;
case NumericFieldType.DOUBLE:
bits |= FIELD_IS_NUMERIC_DOUBLE;
break;
default:
throw new ArgumentException("cannot store numeric type " + field.NumericType);
}
@string = null;
bytes = null;
}
else
{
bytes = field.GetBinaryValue();
if (bytes != null)
{
bits |= FIELD_IS_BINARY;
@string = null;
}
else
{
@string = field.GetStringValue();
if (@string == null)
{
throw new ArgumentException("field " + field.Name + " is stored but does not have binaryValue, stringValue nor numericValue");
}
}
}
fieldsStream.WriteByte((byte)(sbyte)bits);
if (bytes != null)
{
fieldsStream.WriteVInt32(bytes.Length);
fieldsStream.WriteBytes(bytes.Bytes, bytes.Offset, bytes.Length);
}
else if (@string != null)
{
fieldsStream.WriteString(field.GetStringValue());
}
else
{
switch (field.NumericType)
{
case NumericFieldType.BYTE:
case NumericFieldType.INT16:
case NumericFieldType.INT32:
fieldsStream.WriteInt32(field.GetInt32Value().Value);
break;
case NumericFieldType.INT64:
fieldsStream.WriteInt64(field.GetInt64Value().Value);
break;
case NumericFieldType.SINGLE:
fieldsStream.WriteInt32(BitConversion.SingleToInt32Bits(field.GetSingleValue().Value));
break;
case NumericFieldType.DOUBLE:
fieldsStream.WriteInt64(BitConversion.DoubleToInt64Bits(field.GetDoubleValue().Value));
break;
default:
throw new InvalidOperationException("Cannot get here");
}
}
}
public virtual void SearchIndex(Directory dir, string oldName)
{
//QueryParser parser = new QueryParser("contents", new MockAnalyzer(random));
//Query query = parser.parse("handle:1");
IndexReader reader = DirectoryReader.Open(dir);
IndexSearcher searcher = NewSearcher(reader);
TestUtil.CheckIndex(dir);
// true if this is a 4.0+ index
bool is40Index = MultiFields.GetMergedFieldInfos(reader).FieldInfo("content5") != null;
// true if this is a 4.2+ index
bool is42Index = MultiFields.GetMergedFieldInfos(reader).FieldInfo("dvSortedSet") != null;
Debug.Assert(is40Index); // NOTE: currently we can only do this on trunk!
IBits liveDocs = MultiFields.GetLiveDocs(reader);
for (int i = 0; i < 35; i++)
{
if (liveDocs.Get(i))
{
Document d = reader.Document(i);
IList <IIndexableField> fields = d.Fields;
bool isProxDoc = d.GetField("content3") == null;
if (isProxDoc)
{
int numFields = is40Index ? 7 : 5;
Assert.AreEqual(numFields, fields.Count);
IIndexableField f = d.GetField("id");
Assert.AreEqual("" + i, f.GetStringValue());
f = d.GetField("utf8");
Assert.AreEqual("Lu\uD834\uDD1Ece\uD834\uDD60ne \u0000 \u2620 ab\ud917\udc17cd", f.GetStringValue());
f = d.GetField("autf8");
Assert.AreEqual("Lu\uD834\uDD1Ece\uD834\uDD60ne \u0000 \u2620 ab\ud917\udc17cd", f.GetStringValue());
f = d.GetField("content2");
Assert.AreEqual("here is more content with aaa aaa aaa", f.GetStringValue());
f = d.GetField("fie\u2C77ld");
Assert.AreEqual("field with non-ascii name", f.GetStringValue());
}
Fields tfvFields = reader.GetTermVectors(i);
Assert.IsNotNull(tfvFields, "i=" + i);
Terms tfv = tfvFields.GetTerms("utf8");
Assert.IsNotNull(tfv, "docID=" + i + " index=" + oldName);
}
else
{
// Only ID 7 is deleted
Assert.AreEqual(7, i);
}
}
if (is40Index)
{
// check docvalues fields
NumericDocValues dvByte = MultiDocValues.GetNumericValues(reader, "dvByte");
BinaryDocValues dvBytesDerefFixed = MultiDocValues.GetBinaryValues(reader, "dvBytesDerefFixed");
BinaryDocValues dvBytesDerefVar = MultiDocValues.GetBinaryValues(reader, "dvBytesDerefVar");
SortedDocValues dvBytesSortedFixed = MultiDocValues.GetSortedValues(reader, "dvBytesSortedFixed");
SortedDocValues dvBytesSortedVar = MultiDocValues.GetSortedValues(reader, "dvBytesSortedVar");
BinaryDocValues dvBytesStraightFixed = MultiDocValues.GetBinaryValues(reader, "dvBytesStraightFixed");
BinaryDocValues dvBytesStraightVar = MultiDocValues.GetBinaryValues(reader, "dvBytesStraightVar");
NumericDocValues dvDouble = MultiDocValues.GetNumericValues(reader, "dvDouble");
NumericDocValues dvFloat = MultiDocValues.GetNumericValues(reader, "dvFloat");
NumericDocValues dvInt = MultiDocValues.GetNumericValues(reader, "dvInt");
NumericDocValues dvLong = MultiDocValues.GetNumericValues(reader, "dvLong");
NumericDocValues dvPacked = MultiDocValues.GetNumericValues(reader, "dvPacked");
NumericDocValues dvShort = MultiDocValues.GetNumericValues(reader, "dvShort");
SortedSetDocValues dvSortedSet = null;
if (is42Index)
{
dvSortedSet = MultiDocValues.GetSortedSetValues(reader, "dvSortedSet");
}
for (int i = 0; i < 35; i++)
{
int id = Convert.ToInt32(reader.Document(i).Get("id"));
Assert.AreEqual(id, dvByte.Get(i));
sbyte[] bytes = new sbyte[] { (sbyte)((int)((uint)id >> 24)), (sbyte)((int)((uint)id >> 16)), (sbyte)((int)((uint)id >> 8)), (sbyte)id };
BytesRef expectedRef = new BytesRef((byte[])(Array)bytes);
BytesRef scratch = new BytesRef();
dvBytesDerefFixed.Get(i, scratch);
Assert.AreEqual(expectedRef, scratch);
dvBytesDerefVar.Get(i, scratch);
Assert.AreEqual(expectedRef, scratch);
dvBytesSortedFixed.Get(i, scratch);
Assert.AreEqual(expectedRef, scratch);
dvBytesSortedVar.Get(i, scratch);
Assert.AreEqual(expectedRef, scratch);
dvBytesStraightFixed.Get(i, scratch);
Assert.AreEqual(expectedRef, scratch);
dvBytesStraightVar.Get(i, scratch);
Assert.AreEqual(expectedRef, scratch);
Assert.AreEqual((double)id, BitConverter.Int64BitsToDouble(dvDouble.Get(i)), 0D);
Assert.AreEqual((float)id, Number.Int32BitsToSingle((int)dvFloat.Get(i)), 0F);
Assert.AreEqual(id, dvInt.Get(i));
Assert.AreEqual(id, dvLong.Get(i));
Assert.AreEqual(id, dvPacked.Get(i));
Assert.AreEqual(id, dvShort.Get(i));
if (is42Index)
{
dvSortedSet.SetDocument(i);
long ord = dvSortedSet.NextOrd();
Assert.AreEqual(SortedSetDocValues.NO_MORE_ORDS, dvSortedSet.NextOrd());
dvSortedSet.LookupOrd(ord, scratch);
Assert.AreEqual(expectedRef, scratch);
}
}
}
ScoreDoc[] hits = searcher.Search(new TermQuery(new Term("content", "aaa")), null, 1000).ScoreDocs;
// First document should be #0
Document doc = searcher.IndexReader.Document(hits[0].Doc);
assertEquals("didn't get the right document first", "0", doc.Get("id"));
DoTestHits(hits, 34, searcher.IndexReader);
if (is40Index)
{
hits = searcher.Search(new TermQuery(new Term("content5", "aaa")), null, 1000).ScoreDocs;
DoTestHits(hits, 34, searcher.IndexReader);
hits = searcher.Search(new TermQuery(new Term("content6", "aaa")), null, 1000).ScoreDocs;
DoTestHits(hits, 34, searcher.IndexReader);
}
hits = searcher.Search(new TermQuery(new Term("utf8", "\u0000")), null, 1000).ScoreDocs;
Assert.AreEqual(34, hits.Length);
hits = searcher.Search(new TermQuery(new Term("utf8", "lu\uD834\uDD1Ece\uD834\uDD60ne")), null, 1000).ScoreDocs;
Assert.AreEqual(34, hits.Length);
hits = searcher.Search(new TermQuery(new Term("utf8", "ab\ud917\udc17cd")), null, 1000).ScoreDocs;
Assert.AreEqual(34, hits.Length);
reader.Dispose();
}
public void TestWithDeletions()
{
Directory dir = NewDirectory();
IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random));
iwc.SetMergePolicy(NewLogMergePolicy());
RandomIndexWriter writer = new RandomIndexWriter(Random, dir, iwc);
KeyValuePair <List <string>, IDictionary <string, Document> > res = GenerateIndexDocuments(AtLeast(1000), false, false);
IDictionary <string, Document> docs = res.Value;
List <String> invalidDocTerms = res.Key;
Random rand = Random;
List <string> termsToDel = new List <string>();
foreach (Document doc in docs.Values)
{
IIndexableField f2 = doc.GetField(FIELD_NAME);
if (rand.nextBoolean() && f2 != null && !invalidDocTerms.Contains(f2.GetStringValue()))
{
termsToDel.Add(doc.Get(FIELD_NAME));
}
writer.AddDocument(doc);
}
writer.Commit();
Term[] delTerms = new Term[termsToDel.size()];
for (int i = 0; i < termsToDel.size(); i++)
{
delTerms[i] = new Term(FIELD_NAME, termsToDel[i]);
}
foreach (Term delTerm in delTerms)
{
writer.DeleteDocuments(delTerm);
}
writer.Commit();
writer.Dispose();
foreach (string termToDel in termsToDel)
{
var toDel = docs[termToDel];
assertTrue(toDel != null);
docs.Remove(termToDel);
}
IndexReader ir = DirectoryReader.Open(dir);
assertEquals(ir.NumDocs, docs.size());
IDictionary dictionary = new DocumentDictionary(ir, FIELD_NAME, WEIGHT_FIELD_NAME);
IInputIterator inputIterator = dictionary.GetEntryIterator();
BytesRef f;
while ((f = inputIterator.Next()) != null)
{
var field = f.Utf8ToString();
Document doc = docs[field];
docs.Remove(field);
assertTrue(f.equals(new BytesRef(doc.Get(FIELD_NAME))));
IIndexableField weightField = doc.GetField(WEIGHT_FIELD_NAME);
assertEquals(inputIterator.Weight, (weightField != null) ? weightField.GetInt64ValueOrDefault() : 0);
assertEquals(inputIterator.Payload, null);
}
foreach (string invalidTerm in invalidDocTerms)
{
var invalid = docs[invalidTerm];
docs.Remove(invalidTerm);
assertNotNull(invalid);
}
assertTrue(docs.Count == 0);
ir.Dispose();
dir.Dispose();
}
internal override bool Start(IIndexableField[] fields, int count)
{
doVectors = false;
doVectorPositions = false;
doVectorOffsets = false;
doVectorPayloads = false;
hasPayloads = false;
for (int i = 0; i < count; i++)
{
IIndexableField field = fields[i];
if (field.IndexableFieldType.IsIndexed)
{
if (field.IndexableFieldType.StoreTermVectors)
{
doVectors = true;
doVectorPositions |= field.IndexableFieldType.StoreTermVectorPositions;
doVectorOffsets |= field.IndexableFieldType.StoreTermVectorOffsets;
if (doVectorPositions)
{
doVectorPayloads |= field.IndexableFieldType.StoreTermVectorPayloads;
}
else if (field.IndexableFieldType.StoreTermVectorPayloads)
{
// TODO: move this check somewhere else, and impl the other missing ones
throw new System.ArgumentException("cannot index term vector payloads without term vector positions (field=\"" + field.Name + "\")");
}
}
else
{
if (field.IndexableFieldType.StoreTermVectorOffsets)
{
throw new System.ArgumentException("cannot index term vector offsets when term vectors are not indexed (field=\"" + field.Name + "\")");
}
if (field.IndexableFieldType.StoreTermVectorPositions)
{
throw new System.ArgumentException("cannot index term vector positions when term vectors are not indexed (field=\"" + field.Name + "\")");
}
if (field.IndexableFieldType.StoreTermVectorPayloads)
{
throw new System.ArgumentException("cannot index term vector payloads when term vectors are not indexed (field=\"" + field.Name + "\")");
}
}
}
else
{
if (field.IndexableFieldType.StoreTermVectors)
{
throw new System.ArgumentException("cannot index term vectors when field is not indexed (field=\"" + field.Name + "\")");
}
if (field.IndexableFieldType.StoreTermVectorOffsets)
{
throw new System.ArgumentException("cannot index term vector offsets when field is not indexed (field=\"" + field.Name + "\")");
}
if (field.IndexableFieldType.StoreTermVectorPositions)
{
throw new System.ArgumentException("cannot index term vector positions when field is not indexed (field=\"" + field.Name + "\")");
}
if (field.IndexableFieldType.StoreTermVectorPayloads)
{
throw new System.ArgumentException("cannot index term vector payloads when field is not indexed (field=\"" + field.Name + "\")");
}
}
}
if (doVectors)
{
termsWriter.hasVectors = true;
if (termsHashPerField.bytesHash.Count != 0)
{
// Only necessary if previous doc hit a
// non-aborting exception while writing vectors in
// this field:
termsHashPerField.Reset();
}
}
// TODO: only if needed for performance
//perThread.postingsCount = 0;
return(doVectors);
}
public override void WriteField(FieldInfo info, IIndexableField field)
{
Write(FIELD);
Write(info.Number.ToString(CultureInfo.InvariantCulture));
NewLine();
Write(NAME);
Write(field.Name);
NewLine();
Write(TYPE);
// LUCENENET specific - To avoid boxing/unboxing, we don't
// call GetNumericValue(). Instead, we check the field.NumericType and then
// call the appropriate conversion method.
if (field.NumericType != NumericFieldType.NONE)
{
switch (field.NumericType)
{
case NumericFieldType.BYTE:
case NumericFieldType.INT16:
case NumericFieldType.INT32:
Write(TYPE_INT);
NewLine();
Write(VALUE);
Write(field.GetStringValue(CultureInfo.InvariantCulture));
NewLine();
break;
case NumericFieldType.INT64:
Write(TYPE_LONG);
NewLine();
Write(VALUE);
Write(field.GetStringValue(CultureInfo.InvariantCulture));
NewLine();
break;
case NumericFieldType.SINGLE:
Write(TYPE_FLOAT);
NewLine();
Write(VALUE);
// LUCENENET: Need to specify the "R" for round-trip: http://stackoverflow.com/a/611564
Write(field.GetStringValue("R", CultureInfo.InvariantCulture));
NewLine();
break;
case NumericFieldType.DOUBLE:
Write(TYPE_DOUBLE);
NewLine();
Write(VALUE);
// LUCENENET: Need to specify the "R" for round-trip: http://stackoverflow.com/a/611564
Write(field.GetStringValue("R", CultureInfo.InvariantCulture));
NewLine();
break;
default:
throw new ArgumentException("cannot store numeric type " + field.NumericType);
}
}
else
{
BytesRef bytes = field.GetBinaryValue();
if (bytes != null)
{
Write(TYPE_BINARY);
NewLine();
Write(VALUE);
Write(bytes);
NewLine();
}
else if (field.GetStringValue() == null)
{
throw new ArgumentException("field " + field.Name +
" is stored but does not have binaryValue, stringValue nor numericValue");
}
else
{
Write(TYPE_STRING);
NewLine();
Write(VALUE);
Write(field.GetStringValue());
NewLine();
}
}
}
public override void WriteField(FieldInfo info, IIndexableField field)
{
FieldsStream.WriteVInt32(info.Number);
int bits = 0;
BytesRef bytes;
string @string;
// TODO: maybe a field should serialize itself?
// this way we don't bake into indexer all these
// specific encodings for different fields? and apps
// can customize...
object number = field.GetNumericValue();
if (number != null)
{
if (number is sbyte? || number is short? || number is int?)
{
bits |= Lucene3xStoredFieldsReader.FIELD_IS_NUMERIC_INT;
}
else if (number is long?)
{
bits |= Lucene3xStoredFieldsReader.FIELD_IS_NUMERIC_LONG;
}
else if (number is float?)
{
bits |= Lucene3xStoredFieldsReader.FIELD_IS_NUMERIC_FLOAT;
}
else if (number is double?)
{
bits |= Lucene3xStoredFieldsReader.FIELD_IS_NUMERIC_DOUBLE;
}
else
{
throw new System.ArgumentException("cannot store numeric type " + number.GetType());
}
@string = null;
bytes = null;
}
else
{
bytes = field.GetBinaryValue();
if (bytes != null)
{
bits |= Lucene3xStoredFieldsReader.FIELD_IS_BINARY;
@string = null;
}
else
{
@string = field.GetStringValue();
if (@string == null)
{
throw new System.ArgumentException("field " + field.Name + " is stored but does not have binaryValue, stringValue nor numericValue");
}
}
}
FieldsStream.WriteByte((byte)(sbyte)bits);
if (bytes != null)
{
FieldsStream.WriteVInt32(bytes.Length);
FieldsStream.WriteBytes(bytes.Bytes, bytes.Offset, bytes.Length);
}
else if (@string != null)
{
FieldsStream.WriteString(field.GetStringValue());
}
else
{
if (number is sbyte? || number is short? || number is int?)
{
FieldsStream.WriteInt32((int)number);
}
else if (number is long?)
{
FieldsStream.WriteInt64((long)number);
}
else if (number is float?)
{
FieldsStream.WriteInt32(Number.SingleToInt32Bits((float)number));
}
else if (number is double?)
{
FieldsStream.WriteInt64(BitConverter.DoubleToInt64Bits((double)number));
}
else
{
Debug.Assert(false);
}
}
}
public override void ProcessFields(IIndexableField[] fields, int count)
{
fieldState.Reset();
bool doInvert = consumer.Start(fields, count);
for (int i = 0; i < count; i++)
{
IIndexableField field = fields[i];
IIndexableFieldType fieldType = field.IndexableFieldType;
// TODO FI: this should be "genericized" to querying
// consumer if it wants to see this particular field
// tokenized.
if (fieldType.IsIndexed && doInvert)
{
bool analyzed = fieldType.IsTokenized && docState.analyzer != null;
// if the field omits norms, the boost cannot be indexed.
if (fieldType.OmitNorms && field.Boost != 1.0f)
{
throw new NotSupportedException("You cannot set an index-time boost: norms are omitted for field '" + field.Name + "'");
}
// only bother checking offsets if something will consume them.
// TODO: after we fix analyzers, also check if termVectorOffsets will be indexed.
bool checkOffsets = fieldType.IndexOptions == IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
int lastStartOffset = 0;
if (i > 0)
{
fieldState.Position += analyzed ? docState.analyzer.GetPositionIncrementGap(fieldInfo.Name) : 0;
}
/*
* To assist people in tracking down problems in analysis components, we wish to write the field name to the infostream
* when we fail. We expect some caller to eventually deal with the real exception, so we don't want any 'catch' clauses,
* but rather a finally that takes note of the problem.
*/
bool succeededInProcessingField = false;
TokenStream stream = field.GetTokenStream(docState.analyzer);
// reset the TokenStream to the first token
stream.Reset();
try
{
bool hasMoreTokens = stream.IncrementToken();
fieldState.AttributeSource = stream;
IOffsetAttribute offsetAttribute = fieldState.AttributeSource.AddAttribute <IOffsetAttribute>();
IPositionIncrementAttribute posIncrAttribute = fieldState.AttributeSource.AddAttribute <IPositionIncrementAttribute>();
if (hasMoreTokens)
{
consumer.Start(field);
do
{
// If we hit an exception in stream.next below
// (which is fairly common, eg if analyzer
// chokes on a given document), then it's
// non-aborting and (above) this one document
// will be marked as deleted, but still
// consume a docID
int posIncr = posIncrAttribute.PositionIncrement;
if (posIncr < 0)
{
throw new ArgumentException("position increment must be >=0 (got " + posIncr + ") for field '" + field.Name + "'");
}
if (fieldState.Position == 0 && posIncr == 0)
{
throw new ArgumentException("first position increment must be > 0 (got 0) for field '" + field.Name + "'");
}
int position = fieldState.Position + posIncr;
if (position > 0)
{
// NOTE: confusing: this "mirrors" the
// position++ we do below
position--;
}
else if (position < 0)
{
throw new ArgumentException("position overflow for field '" + field.Name + "'");
}
// position is legal, we can safely place it in fieldState now.
// not sure if anything will use fieldState after non-aborting exc...
fieldState.Position = position;
if (posIncr == 0)
{
fieldState.NumOverlap++;
}
if (checkOffsets)
{
int startOffset = fieldState.Offset + offsetAttribute.StartOffset;
int endOffset = fieldState.Offset + offsetAttribute.EndOffset;
if (startOffset < 0 || endOffset < startOffset)
{
throw new ArgumentException("startOffset must be non-negative, and endOffset must be >= startOffset, " + "startOffset=" + startOffset + ",endOffset=" + endOffset + " for field '" + field.Name + "'");
}
if (startOffset < lastStartOffset)
{
throw new ArgumentException("offsets must not go backwards startOffset=" + startOffset + " is < lastStartOffset=" + lastStartOffset + " for field '" + field.Name + "'");
}
lastStartOffset = startOffset;
}
bool success = false;
try
{
// If we hit an exception in here, we abort
// all buffered documents since the last
// flush, on the likelihood that the
// internal state of the consumer is now
// corrupt and should not be flushed to a
// new segment:
consumer.Add();
success = true;
}
finally
{
if (!success)
{
docState.docWriter.SetAborting();
}
}
fieldState.Length++;
fieldState.Position++;
} while (stream.IncrementToken());
}
// trigger streams to perform end-of-stream operations
stream.End();
// TODO: maybe add some safety? then again, its already checked
// when we come back around to the field...
fieldState.Position += posIncrAttribute.PositionIncrement;
fieldState.Offset += offsetAttribute.EndOffset;
if (docState.maxTermPrefix != null)
{
string msg = "Document contains at least one immense term in field=\"" + fieldInfo.Name + "\" (whose UTF8 encoding is longer than the max length " + DocumentsWriterPerThread.MAX_TERM_LENGTH_UTF8 + "), all of which were skipped. Please correct the analyzer to not produce such terms. The prefix of the first immense term is: '" + docState.maxTermPrefix + "...'";
if (docState.infoStream.IsEnabled("IW"))
{
docState.infoStream.Message("IW", "ERROR: " + msg);
}
docState.maxTermPrefix = null;
throw new ArgumentException(msg);
}
/* if success was false above there is an exception coming through and we won't get here.*/
succeededInProcessingField = true;
}
finally
{
if (!succeededInProcessingField)
{
IOUtils.DisposeWhileHandlingException(stream);
}
else
{
stream.Dispose();
}
if (!succeededInProcessingField && docState.infoStream.IsEnabled("DW"))
{
docState.infoStream.Message("DW", "An exception was thrown while processing field " + fieldInfo.Name);
}
}
fieldState.Offset += analyzed ? docState.analyzer.GetOffsetGap(fieldInfo.Name) : 0;
fieldState.Boost *= field.Boost;
}
// LUCENE-2387: don't hang onto the field, so GC can
// reclaim
fields[i] = null;
}
consumer.Finish();
endConsumer.Finish();
}
internal abstract void Start(IIndexableField field);
public abstract void AddField(int docID, IIndexableField field, FieldInfo fieldInfo);
