public void AddDocument(System.String segment, Document doc)
{
// write field names
fieldInfos = new FieldInfos();
fieldInfos.Add(doc);
fieldInfos.Write(directory, segment + ".fnm");
// write field values
FieldsWriter fieldsWriter = new FieldsWriter(directory, segment, fieldInfos);
try
{
fieldsWriter.AddDocument(doc);
}
finally
{
fieldsWriter.Close();
}
// invert doc into postingTable
postingTable.Clear(); // clear postingTable
fieldLengths = new int[fieldInfos.Size()]; // init fieldLengths
fieldPositions = new int[fieldInfos.Size()]; // init fieldPositions
fieldOffsets = new int[fieldInfos.Size()]; // init fieldOffsets
fieldBoosts = new float[fieldInfos.Size()]; // init fieldBoosts
float boost = doc.GetBoost();
for (int i = 0; i < fieldBoosts.Length; i++)
{
fieldBoosts[i] = boost;
}
InvertDocument(doc);
// sort postingTable into an array
Posting[] postings = SortPostingTable();
/*
for (int i = 0; i < postings.length; i++) {
Posting posting = postings[i];
System.out.print(posting.term);
System.out.print(" freq=" + posting.freq);
System.out.print(" pos=");
System.out.print(posting.positions[0]);
for (int j = 1; j < posting.freq; j++)
System.out.print("," + posting.positions[j]);
System.out.println("");
}
*/
// write postings
WritePostings(postings, segment);
// write norms of indexed fields
WriteNorms(segment);
}
public override void SetUp()
{
base.SetUp();
fieldInfos = new FieldInfos();
DocHelper.SetupDoc(testDoc);
fieldInfos.Add(testDoc);
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
writer.SetUseCompoundFile(false);
writer.AddDocument(testDoc);
writer.Close();
segmentName = writer.NewestSegment().name;
}
public virtual void Test()
{
//Positive test of FieldInfos
Assert.IsTrue(testDoc != null);
FieldInfos fieldInfos = new FieldInfos();
fieldInfos.Add(testDoc);
//Since the complement is stored as well in the fields map
Assert.IsTrue(fieldInfos.Size() == DocHelper.all.Count); //this is all b/c we are using the no-arg constructor
RAMDirectory dir = new RAMDirectory();
System.String name = "testFile";
IndexOutput output = dir.CreateOutput(name);
Assert.IsTrue(output != null);
//Use a RAMOutputStream
try
{
fieldInfos.Write(output);
output.Close();
Assert.IsTrue(output.Length() > 0);
FieldInfos readIn = new FieldInfos(dir, name);
Assert.IsTrue(fieldInfos.Size() == readIn.Size());
FieldInfo info = readIn.FieldInfo("textField1");
Assert.IsTrue(info != null);
Assert.IsTrue(info.storeTermVector_ForNUnit == false);
Assert.IsTrue(info.omitNorms_ForNUnit == false);
info = readIn.FieldInfo("textField2");
Assert.IsTrue(info != null);
Assert.IsTrue(info.storeTermVector_ForNUnit == true);
Assert.IsTrue(info.omitNorms_ForNUnit == false);
info = readIn.FieldInfo("textField3");
Assert.IsTrue(info != null);
Assert.IsTrue(info.storeTermVector_ForNUnit == false);
Assert.IsTrue(info.omitNorms_ForNUnit == true);
info = readIn.FieldInfo("omitNorms");
Assert.IsTrue(info != null);
Assert.IsTrue(info.storeTermVector_ForNUnit == false);
Assert.IsTrue(info.omitNorms_ForNUnit == true);
dir.Close();
}
catch (System.IO.IOException e)
{
Assert.IsTrue(false);
}
}
protected virtual void SetUp()
{
fieldInfos = new FieldInfos();
DocHelper.SetupDoc(testDoc);
fieldInfos.Add(testDoc);
DocumentWriter writer = new DocumentWriter(dir, new WhitespaceAnalyzer(), Similarity.GetDefault(), 50);
Assert.IsTrue(writer != null);
try
{
writer.AddDocument("test", testDoc);
}
catch (System.IO.IOException e)
{
}
}
public virtual void Test()
{
//Positive test of FieldInfos
Assert.IsTrue(testDoc != null);
FieldInfos fieldInfos = new FieldInfos();
fieldInfos.Add(testDoc);
//Since the complement is stored as well in the fields map
Assert.IsTrue(fieldInfos.Size() == 7); //this is 7 b/c we are using the no-arg constructor
RAMDirectory dir = new RAMDirectory();
System.String name = "testFile";
OutputStream output = dir.CreateFile(name);
Assert.IsTrue(output != null);
//Use a RAMOutputStream
try
{
fieldInfos.Write(output);
output.Close();
Assert.IsTrue(output.Length() > 0);
FieldInfos readIn = new FieldInfos(dir, name);
Assert.IsTrue(fieldInfos.Size() == readIn.Size());
FieldInfo info = readIn.FieldInfo("textField1");
Assert.IsTrue(info != null);
Assert.IsTrue(info.storeTermVector == false);
info = readIn.FieldInfo("textField2");
Assert.IsTrue(info != null);
Assert.IsTrue(info.storeTermVector == true);
dir.Close();
}
catch (System.IO.IOException e)
{
Assert.IsTrue(false);
}
}
public override void SetUp()
{
base.SetUp();
fieldInfos = new FieldInfos();
DocHelper.SetupDoc(testDoc);
fieldInfos.Add(testDoc);
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
writer.UseCompoundFile = false;
writer.AddDocument(testDoc);
writer.Close();
}
private void AddIndexed(IndexReader reader, FieldInfos fInfos, System.Collections.Generic.ICollection<string> names, bool storeTermVectors, bool storePositionWithTermVector, bool storeOffsetWithTermVector, bool storePayloads, bool omitTFAndPositions)
{
System.Collections.Generic.IEnumerator<string> i = names.GetEnumerator();
while (i.MoveNext())
{
System.String field = i.Current;
fInfos.Add(field, true, storeTermVectors, storePositionWithTermVector, storeOffsetWithTermVector, !reader.HasNorms(field), storePayloads, omitTFAndPositions);
}
}
private void AddIndexed(IndexReader reader, FieldInfos fInfos, ICollection<string> names, bool storeTermVectors, bool storePositionWithTermVector, bool storeOffsetWithTermVector, bool storePayloads, bool omitTFAndPositions)
{
foreach (var field in names)
{
fInfos.Add(field, true, storeTermVectors, storePositionWithTermVector, storeOffsetWithTermVector,
!reader.HasNorms(field), storePayloads, omitTFAndPositions);
}
}
/// <summary> </summary>
/// <returns> The number of documents in all of the readers
/// </returns>
/// <throws> IOException </throws>
private int MergeFields()
{
fieldInfos = new FieldInfos(); // merge field names
int docCount = 0;
for (int i = 0; i < readers.Count; i++)
{
IndexReader reader = (IndexReader) readers[i];
AddIndexed(reader, fieldInfos, reader.GetFieldNames(IndexReader.FieldOption.TERMVECTOR_WITH_POSITION_OFFSET), true, true, true);
AddIndexed(reader, fieldInfos, reader.GetFieldNames(IndexReader.FieldOption.TERMVECTOR_WITH_POSITION), true, true, false);
AddIndexed(reader, fieldInfos, reader.GetFieldNames(IndexReader.FieldOption.TERMVECTOR_WITH_OFFSET), true, false, true);
AddIndexed(reader, fieldInfos, reader.GetFieldNames(IndexReader.FieldOption.TERMVECTOR), true, false, false);
AddIndexed(reader, fieldInfos, reader.GetFieldNames(IndexReader.FieldOption.INDEXED), false, false, false);
fieldInfos.Add(reader.GetFieldNames(IndexReader.FieldOption.UNINDEXED), false);
}
fieldInfos.Write(directory, segment + ".fnm");
FieldsWriter fieldsWriter = new FieldsWriter(directory, segment, fieldInfos);
try
{
for (int i = 0; i < readers.Count; i++)
{
IndexReader reader = (IndexReader) readers[i];
int maxDoc = reader.MaxDoc();
for (int j = 0; j < maxDoc; j++)
if (!reader.IsDeleted(j))
{
// skip deleted docs
fieldsWriter.AddDocument(reader.Document(j));
docCount++;
}
}
}
finally
{
fieldsWriter.Close();
}
return docCount;
}
private void AddIndexed(IndexReader reader, FieldInfos fieldInfos, System.Collections.ICollection names, bool storeTermVectors, bool storePositionWithTermVector, bool storeOffsetWithTermVector)
{
System.Collections.IEnumerator i = names.GetEnumerator();
while (i.MoveNext())
{
System.Collections.DictionaryEntry e = (System.Collections.DictionaryEntry) i.Current;
System.String field = (System.String) e.Key;
fieldInfos.Add(field, true, storeTermVectors, storePositionWithTermVector, storeOffsetWithTermVector, !reader.HasNorms(field));
}
}
// FIXME: OG: remove hard-coded file names
public static void Test()
{
System.IO.FileInfo file = new System.IO.FileInfo("words.txt");
System.Console.Out.WriteLine(" reading word file containing " + file.Length + " bytes");
System.DateTime start = System.DateTime.Now;
System.Collections.ArrayList keys = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
System.IO.FileStream ws = new System.IO.FileStream(file.FullName, System.IO.FileMode.Open, System.IO.FileAccess.Read);
System.IO.StreamReader wr = new System.IO.StreamReader(new System.IO.StreamReader(ws, System.Text.Encoding.Default).BaseStream, new System.IO.StreamReader(ws, System.Text.Encoding.Default).CurrentEncoding);
for (System.String key = wr.ReadLine(); key != null; key = wr.ReadLine())
{
keys.Add(new Term("word", key));
}
wr.Close();
System.DateTime end = System.DateTime.Now;
System.Console.Out.Write(end.Ticks - start.Ticks);
System.Console.Out.WriteLine(" milliseconds to read " + keys.Count + " words");
start = System.DateTime.Now;
System.Random gen = new System.Random((System.Int32) 1251971);
long fp = (gen.Next() & 0xF) + 1;
long pp = (gen.Next() & 0xF) + 1;
int[] docFreqs = new int[keys.Count];
long[] freqPointers = new long[keys.Count];
long[] proxPointers = new long[keys.Count];
for (int i = 0; i < keys.Count; i++)
{
docFreqs[i] = (gen.Next() & 0xF) + 1;
freqPointers[i] = fp;
proxPointers[i] = pp;
fp += (gen.Next() & 0xF) + 1;
;
pp += (gen.Next() & 0xF) + 1;
;
}
end = System.DateTime.Now;
System.Console.Out.Write(end.Ticks - start.Ticks);
System.Console.Out.WriteLine(" milliseconds to generate values");
start = System.DateTime.Now;
Directory store = FSDirectory.GetDirectory("test.store", true);
FieldInfos fis = new FieldInfos();
TermInfosWriter writer = new TermInfosWriter(store, "words", fis);
fis.Add("word", false);
for (int i = 0; i < keys.Count; i++)
{
writer.Add((Term)keys[i], new TermInfo(docFreqs[i], freqPointers[i], proxPointers[i]));
}
writer.Close();
end = System.DateTime.Now;
System.Console.Out.Write(end.Ticks - start.Ticks);
System.Console.Out.WriteLine(" milliseconds to write table");
System.Console.Out.WriteLine(" table occupies " + store.FileLength("words.tis") + " bytes");
start = System.DateTime.Now;
TermInfosReader reader = new TermInfosReader(store, "words", fis);
end = System.DateTime.Now;
System.Console.Out.Write(end.Ticks - start.Ticks);
System.Console.Out.WriteLine(" milliseconds to open table");
start = System.DateTime.Now;
SegmentTermEnum enumerator = reader.Terms();
for (int i = 0; i < keys.Count; i++)
{
enumerator.Next();
Term key = (Term)keys[i];
if (!key.Equals(enumerator.Term()))
{
throw new System.Exception("wrong term: " + enumerator.Term() + ", expected: " + key + " at " + i);
}
TermInfo ti = enumerator.TermInfo();
if (ti.docFreq != docFreqs[i])
{
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.docFreq, 16) + ", expected: " + System.Convert.ToString(docFreqs[i], 16) + " at " + i);
}
if (ti.freqPointer != freqPointers[i])
{
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.freqPointer, 16) + ", expected: " + System.Convert.ToString(freqPointers[i], 16) + " at " + i);
}
if (ti.proxPointer != proxPointers[i])
{
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.proxPointer, 16) + ", expected: " + System.Convert.ToString(proxPointers[i], 16) + " at " + i);
}
}
end = System.DateTime.Now;
System.Console.Out.Write(end.Ticks - start.Ticks);
System.Console.Out.WriteLine(" milliseconds to iterate over " + keys.Count + " words");
start = System.DateTime.Now;
for (int i = 0; i < keys.Count; i++)
{
Term key = (Term)keys[i];
TermInfo ti = reader.Get(key);
if (ti.docFreq != docFreqs[i])
{
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.docFreq, 16) + ", expected: " + System.Convert.ToString(docFreqs[i], 16) + " at " + i);
}
if (ti.freqPointer != freqPointers[i])
{
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.freqPointer, 16) + ", expected: " + System.Convert.ToString(freqPointers[i], 16) + " at " + i);
}
if (ti.proxPointer != proxPointers[i])
{
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.proxPointer, 16) + ", expected: " + System.Convert.ToString(proxPointers[i], 16) + " at " + i);
}
}
end = System.DateTime.Now;
System.Console.Out.Write((end.Ticks - start.Ticks) / (float)keys.Count);
System.Console.Out.WriteLine(" average milliseconds per lookup");
TermEnum e = reader.Terms(new Term("word", "azz"));
System.Console.Out.WriteLine("Word after azz is " + e.Term().text);
reader.Close();
store.Close();
}
// FIXME: OG: remove hard-coded file names
public static void Test()
{
System.IO.FileInfo file = new System.IO.FileInfo("words.txt");
System.Console.Out.WriteLine(" reading word file containing " + file.Length + " bytes");
System.DateTime start = System.DateTime.Now;
System.Collections.ArrayList keys = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
System.IO.FileStream ws = new System.IO.FileStream(file.FullName, System.IO.FileMode.Open, System.IO.FileAccess.Read);
System.IO.StreamReader wr = new System.IO.StreamReader(new System.IO.StreamReader(ws, System.Text.Encoding.Default).BaseStream, new System.IO.StreamReader(ws, System.Text.Encoding.Default).CurrentEncoding);
for (System.String key = wr.ReadLine(); key != null; key = wr.ReadLine())
keys.Add(new Term("word", key));
wr.Close();
System.DateTime end = System.DateTime.Now;
System.Console.Out.Write(end.Ticks - start.Ticks);
System.Console.Out.WriteLine(" milliseconds to read " + keys.Count + " words");
start = System.DateTime.Now;
System.Random gen = new System.Random((System.Int32) 1251971);
long fp = (gen.Next() & 0xF) + 1;
long pp = (gen.Next() & 0xF) + 1;
int[] docFreqs = new int[keys.Count];
long[] freqPointers = new long[keys.Count];
long[] proxPointers = new long[keys.Count];
for (int i = 0; i < keys.Count; i++)
{
docFreqs[i] = (gen.Next() & 0xF) + 1;
freqPointers[i] = fp;
proxPointers[i] = pp;
fp += (gen.Next() & 0xF) + 1;
;
pp += (gen.Next() & 0xF) + 1;
;
}
end = System.DateTime.Now;
System.Console.Out.Write(end.Ticks - start.Ticks);
System.Console.Out.WriteLine(" milliseconds to generate values");
start = System.DateTime.Now;
Directory store = FSDirectory.GetDirectory("test.store", true);
FieldInfos fis = new FieldInfos();
TermInfosWriter writer = new TermInfosWriter(store, "words", fis);
fis.Add("word", false);
for (int i = 0; i < keys.Count; i++)
writer.Add((Term) keys[i], new TermInfo(docFreqs[i], freqPointers[i], proxPointers[i]));
writer.Close();
end = System.DateTime.Now;
System.Console.Out.Write(end.Ticks - start.Ticks);
System.Console.Out.WriteLine(" milliseconds to write table");
System.Console.Out.WriteLine(" table occupies " + store.FileLength("words.tis") + " bytes");
start = System.DateTime.Now;
TermInfosReader reader = new TermInfosReader(store, "words", fis);
end = System.DateTime.Now;
System.Console.Out.Write(end.Ticks - start.Ticks);
System.Console.Out.WriteLine(" milliseconds to open table");
start = System.DateTime.Now;
SegmentTermEnum enumerator = reader.Terms();
for (int i = 0; i < keys.Count; i++)
{
enumerator.Next();
Term key = (Term) keys[i];
if (!key.Equals(enumerator.Term()))
{
throw new System.Exception("wrong term: " + enumerator.Term() + ", expected: " + key + " at " + i);
}
TermInfo ti = enumerator.TermInfo();
if (ti.docFreq != docFreqs[i])
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.docFreq, 16) + ", expected: " + System.Convert.ToString(docFreqs[i], 16) + " at " + i);
if (ti.freqPointer != freqPointers[i])
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.freqPointer, 16) + ", expected: " + System.Convert.ToString(freqPointers[i], 16) + " at " + i);
if (ti.proxPointer != proxPointers[i])
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.proxPointer, 16) + ", expected: " + System.Convert.ToString(proxPointers[i], 16) + " at " + i);
}
end = System.DateTime.Now;
System.Console.Out.Write(end.Ticks - start.Ticks);
System.Console.Out.WriteLine(" milliseconds to iterate over " + keys.Count + " words");
start = System.DateTime.Now;
for (int i = 0; i < keys.Count; i++)
{
Term key = (Term) keys[i];
TermInfo ti = reader.Get(key);
if (ti.docFreq != docFreqs[i])
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.docFreq, 16) + ", expected: " + System.Convert.ToString(docFreqs[i], 16) + " at " + i);
if (ti.freqPointer != freqPointers[i])
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.freqPointer, 16) + ", expected: " + System.Convert.ToString(freqPointers[i], 16) + " at " + i);
if (ti.proxPointer != proxPointers[i])
throw new System.Exception("wrong value: " + System.Convert.ToString(ti.proxPointer, 16) + ", expected: " + System.Convert.ToString(proxPointers[i], 16) + " at " + i);
}
end = System.DateTime.Now;
System.Console.Out.Write((end.Ticks - start.Ticks) / (float) keys.Count);
System.Console.Out.WriteLine(" average milliseconds per lookup");
TermEnum e = reader.Terms(new Term("word", "azz"));
System.Console.Out.WriteLine("Word after azz is " + e.Term().text);
reader.Close();
store.Close();
}
internal override DocumentsWriter.DocWriter processDocument()
{
consumer.startDocument();
Document doc = docState.doc;
System.Diagnostics.Debug.Assert(docFieldProcessor.docWriter.writer.TestPoint("DocumentsWriter.ThreadState.init start"));
fieldCount = 0;
int thisFieldGen = fieldGen++;
System.Collections.IList docFields = doc.GetFields();
int numDocFields = docFields.Count;
// Absorb any new fields first seen in this document.
// Also absorb any changes to fields we had already
// seen before (eg suddenly turning on norms or
// vectors, etc.):
for (int i = 0; i < numDocFields; i++)
{
Fieldable field = (Fieldable)docFields[i];
string fieldName = field.Name();
// Make sure we have a PerField allocated
int hashPos = fieldName.GetHashCode() & hashMask;
DocFieldProcessorPerField fp = fieldHash[hashPos];
while (fp != null && !fp.fieldInfo.name.Equals(fieldName))
{
fp = fp.next;
}
if (fp == null)
{
// TODO FI: we need to genericize the "flags" that a
// field holds, and, how these flags are merged; it
// needs to be more "pluggable" such that if I want
// to have a new "thing" my Fields can do, I can
// easily add it
FieldInfo fi = fieldInfos.Add(fieldName, field.IsIndexed(), field.IsTermVectorStored(),
field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(),
field.GetOmitNorms(), false, field.GetOmitTf());
fp = new DocFieldProcessorPerField(this, fi);
fp.next = fieldHash[hashPos];
fieldHash[hashPos] = fp;
totalFieldCount++;
if (totalFieldCount >= fieldHash.Length / 2)
{
rehash();
}
}
else
{
fp.fieldInfo.update(field.IsIndexed(), field.IsTermVectorStored(),
field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(),
field.GetOmitNorms(), false, field.GetOmitTf());
}
if (thisFieldGen != fp.lastGen)
{
// First time we're seeing this field for this doc
fp.fieldCount = 0;
if (fieldCount == fields.Length)
{
int newSize = fields.Length * 2;
DocFieldProcessorPerField[] newArray = new DocFieldProcessorPerField[newSize];
System.Array.Copy(fields, 0, newArray, 0, fieldCount);
fields = newArray;
}
fields[fieldCount++] = fp;
fp.lastGen = thisFieldGen;
}
if (fp.fieldCount == fp.fields.Length)
{
Fieldable[] newArray = new Fieldable[fp.fields.Length * 2];
System.Array.Copy(fp.fields, 0, newArray, 0, fp.fieldCount);
fp.fields = newArray;
}
fp.fields[fp.fieldCount++] = field;
}
// If we are writing vectors then we must visit
// fields in sorted order so they are written in
// sorted order. TODO: we actually only need to
// sort the subset of fields that have vectors
// enabled; we could save [small amount of] CPU
// here.
quickSort(fields, 0, fieldCount - 1);
for (int i = 0; i < fieldCount; i++)
{
fields[i].consumer.processFields(fields[i].fields, fields[i].fieldCount);
}
if (docState.maxTermPrefix != null && docState.infoStream != null)
{
docState.infoStream.WriteLine("WARNING: document contains at least one immense term (longer than the max length " + DocumentsWriter.MAX_TERM_LENGTH + "), all of which were skipped. Please correct the analyzer to not produce such terms. The prefix of the first immense term is: '" + docState.maxTermPrefix + "...'");
}
return(consumer.finishDocument());
}
/// <summary> </summary>
/// <returns> The number of documents in all of the readers
/// </returns>
/// <throws> IOException </throws>
private int MergeFields()
{
fieldInfos = new FieldInfos(); // merge field names
int docCount = 0;
for (int i = 0; i < readers.Count; i++)
{
IndexReader reader = (IndexReader) readers[i];
AddIndexed(reader, fieldInfos, reader.GetFieldNames(IndexReader.FieldOption.TERMVECTOR_WITH_POSITION_OFFSET), true, true, true);
AddIndexed(reader, fieldInfos, reader.GetFieldNames(IndexReader.FieldOption.TERMVECTOR_WITH_POSITION), true, true, false);
AddIndexed(reader, fieldInfos, reader.GetFieldNames(IndexReader.FieldOption.TERMVECTOR_WITH_OFFSET), true, false, true);
AddIndexed(reader, fieldInfos, reader.GetFieldNames(IndexReader.FieldOption.TERMVECTOR), true, false, false);
AddIndexed(reader, fieldInfos, reader.GetFieldNames(IndexReader.FieldOption.INDEXED), false, false, false);
fieldInfos.Add(reader.GetFieldNames(IndexReader.FieldOption.UNINDEXED), false);
}
fieldInfos.Write(directory, segment + ".fnm");
FieldsWriter fieldsWriter = new FieldsWriter(directory, segment, fieldInfos);
// for merging we don't want to compress/uncompress the data, so to tell the FieldsReader that we're
// in merge mode, we use this FieldSelector
FieldSelector fieldSelectorMerge = new AnonymousClassFieldSelector(this);
try
{
for (int i = 0; i < readers.Count; i++)
{
IndexReader reader = (IndexReader) readers[i];
int maxDoc = reader.MaxDoc();
for (int j = 0; j < maxDoc; j++)
if (!reader.IsDeleted(j))
{
// skip deleted docs
fieldsWriter.AddDocument(reader.Document(j, fieldSelectorMerge));
docCount++;
}
}
}
finally
{
fieldsWriter.Close();
}
return docCount;
}
