public static void AfterClass()
{
Dir.Dispose();
Dir = null;
FieldInfos = null;
TestDoc = null;
}
public static void BeforeClass()
{
TestDoc = new Document();
FieldInfos = new FieldInfos.Builder();
DocHelper.SetupDoc(TestDoc);
foreach (IndexableField field in TestDoc)
{
FieldInfos.AddOrUpdate(field.Name(), field.FieldType());
}
Dir = NewDirectory();
IndexWriterConfig conf = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMergePolicy(NewLogMergePolicy());
conf.MergePolicy.NoCFSRatio = 0.0;
IndexWriter writer = new IndexWriter(Dir, conf);
writer.AddDocument(TestDoc);
writer.Dispose();
FaultyIndexInput.DoFail = false;
}
// note, just like in codec apis Directory 'dir' is NOT the same as segmentInfo.dir!!
public SegmentMerger(IList<AtomicReader> readers, SegmentInfo segmentInfo, InfoStream infoStream, Directory dir, int termIndexInterval, MergeState.CheckAbort checkAbort, FieldInfos.FieldNumbers fieldNumbers, IOContext context, bool validate)
{
// validate incoming readers
if (validate)
{
foreach (AtomicReader reader in readers)
{
reader.CheckIntegrity();
}
}
MergeState = new MergeState(readers, segmentInfo, infoStream, checkAbort);
Directory = dir;
this.TermIndexInterval = termIndexInterval;
this.Codec = segmentInfo.Codec;
this.Context = context;
this.FieldInfosBuilder = new FieldInfos.Builder(fieldNumbers);
MergeState.SegmentInfo.DocCount = SetDocMaps();
}
public virtual FieldInfos CreateAndWriteFieldInfos(Directory dir, string filename)
{
//Positive test of FieldInfos
Assert.IsTrue(TestDoc != null);
FieldInfos.Builder builder = new FieldInfos.Builder();
foreach (IndexableField field in TestDoc)
{
builder.AddOrUpdate(field.Name(), field.FieldType());
}
FieldInfos fieldInfos = builder.Finish();
//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
IndexOutput output = dir.CreateOutput(filename, NewIOContext(Random()));
Assert.IsTrue(output != null);
//Use a RAMOutputStream
FieldInfosWriter writer = Codec.Default.FieldInfosFormat().FieldInfosWriter;
writer.Write(dir, filename, "", fieldInfos, IOContext.DEFAULT);
output.Dispose();
return fieldInfos;
}
// Writes field updates (new _X_N updates files) to the directory
public virtual void WriteFieldUpdates(Directory dir, DocValuesFieldUpdates.Container dvUpdates)
{
lock (this)
{
//Debug.Assert(Thread.holdsLock(Writer));
//System.out.println("rld.writeFieldUpdates: seg=" + info + " numericFieldUpdates=" + numericFieldUpdates);
Debug.Assert(dvUpdates.Any());
// Do this so we can delete any created files on
// exception; this saves all codecs from having to do
// it:
TrackingDirectoryWrapper trackingDir = new TrackingDirectoryWrapper(dir);
FieldInfos fieldInfos = null;
bool success = false;
try
{
Codec codec = Info.Info.Codec;
// reader could be null e.g. for a just merged segment (from
// IndexWriter.commitMergedDeletes).
SegmentReader reader = this.Reader == null ? new SegmentReader(Info, Writer.Config.ReaderTermsIndexDivisor, IOContext.READONCE) : this.Reader;
try
{
// clone FieldInfos so that we can update their dvGen separately from
// the reader's infos and write them to a new fieldInfos_gen file
FieldInfos.Builder builder = new FieldInfos.Builder(Writer.GlobalFieldNumberMap);
// cannot use builder.add(reader.getFieldInfos()) because it does not
// clone FI.attributes as well FI.dvGen
foreach (FieldInfo fi in reader.FieldInfos)
{
FieldInfo clone = builder.Add(fi);
// copy the stuff FieldInfos.Builder doesn't copy
if (fi.Attributes() != null)
{
foreach (KeyValuePair<string, string> e in fi.Attributes())
{
clone.PutAttribute(e.Key, e.Value);
}
}
clone.DocValuesGen = fi.DocValuesGen;
}
// create new fields or update existing ones to have NumericDV type
foreach (string f in dvUpdates.NumericDVUpdates.Keys)
{
builder.AddOrUpdate(f, NumericDocValuesField.TYPE);
}
// create new fields or update existing ones to have BinaryDV type
foreach (string f in dvUpdates.BinaryDVUpdates.Keys)
{
builder.AddOrUpdate(f, BinaryDocValuesField.fType);
}
fieldInfos = builder.Finish();
long nextFieldInfosGen = Info.NextFieldInfosGen;
string segmentSuffix = nextFieldInfosGen.ToString(CultureInfo.InvariantCulture);//Convert.ToString(nextFieldInfosGen, Character.MAX_RADIX));
SegmentWriteState state = new SegmentWriteState(null, trackingDir, Info.Info, fieldInfos, Writer.Config.TermIndexInterval, null, IOContext.DEFAULT, segmentSuffix);
DocValuesFormat docValuesFormat = codec.DocValuesFormat();
DocValuesConsumer fieldsConsumer = docValuesFormat.FieldsConsumer(state);
bool fieldsConsumerSuccess = false;
try
{
// System.out.println("[" + Thread.currentThread().getName() + "] RLD.writeFieldUpdates: applying numeric updates; seg=" + info + " updates=" + numericFieldUpdates);
foreach (KeyValuePair<string, NumericDocValuesFieldUpdates> e in dvUpdates.NumericDVUpdates)
{
string field = e.Key;
NumericDocValuesFieldUpdates fieldUpdates = e.Value;
FieldInfo fieldInfo = fieldInfos.FieldInfo(field);
Debug.Assert(fieldInfo != null);
fieldInfo.DocValuesGen = nextFieldInfosGen;
// write the numeric updates to a new gen'd docvalues file
fieldsConsumer.AddNumericField(fieldInfo, GetLongEnumerable(reader, field, fieldUpdates));
}
// System.out.println("[" + Thread.currentThread().getName() + "] RAU.writeFieldUpdates: applying binary updates; seg=" + info + " updates=" + dvUpdates.binaryDVUpdates);
foreach (KeyValuePair<string, BinaryDocValuesFieldUpdates> e in dvUpdates.BinaryDVUpdates)
{
string field = e.Key;
BinaryDocValuesFieldUpdates dvFieldUpdates = e.Value;
FieldInfo fieldInfo = fieldInfos.FieldInfo(field);
Debug.Assert(fieldInfo != null);
// System.out.println("[" + Thread.currentThread().getName() + "] RAU.writeFieldUpdates: applying binary updates; seg=" + info + " f=" + dvFieldUpdates + ", updates=" + dvFieldUpdates);
fieldInfo.DocValuesGen = nextFieldInfosGen;
// write the numeric updates to a new gen'd docvalues file
fieldsConsumer.AddBinaryField(fieldInfo, GetBytesRefEnumerable(reader, field, dvFieldUpdates));
}
codec.FieldInfosFormat().FieldInfosWriter.Write(trackingDir, Info.Info.Name, segmentSuffix, fieldInfos, IOContext.DEFAULT);
fieldsConsumerSuccess = true;
}
finally
{
if (fieldsConsumerSuccess)
{
fieldsConsumer.Dispose();
}
else
{
IOUtils.CloseWhileHandlingException(fieldsConsumer);
}
}
}
finally
{
if (reader != this.Reader)
{
// System.out.println("[" + Thread.currentThread().getName() + "] RLD.writeLiveDocs: closeReader " + reader);
reader.Dispose();
}
}
success = true;
}
finally
{
if (!success)
{
// Advance only the nextWriteDocValuesGen so that a 2nd
// attempt to write will write to a new file
Info.AdvanceNextWriteFieldInfosGen();
// Delete any partially created file(s):
foreach (string fileName in trackingDir.CreatedFiles)
{
try
{
dir.DeleteFile(fileName);
}
catch (Exception)
{
// Ignore so we throw only the first exc
}
}
}
}
Info.AdvanceFieldInfosGen();
// copy all the updates to mergingUpdates, so they can later be applied to the merged segment
if (IsMerging)
{
foreach (KeyValuePair<string, NumericDocValuesFieldUpdates> e in dvUpdates.NumericDVUpdates)
{
DocValuesFieldUpdates updates;
if (!MergingDVUpdates.TryGetValue(e.Key, out updates))
{
MergingDVUpdates[e.Key] = e.Value;
}
else
{
updates.Merge(e.Value);
}
}
foreach (KeyValuePair<string, BinaryDocValuesFieldUpdates> e in dvUpdates.BinaryDVUpdates)
{
DocValuesFieldUpdates updates;
if (!MergingDVUpdates.TryGetValue(e.Key, out updates))
{
MergingDVUpdates[e.Key] = e.Value;
}
else
{
updates.Merge(e.Value);
}
}
}
// create a new map, keeping only the gens that are in use
IDictionary<long, ISet<string>> genUpdatesFiles = Info.UpdatesFiles;
IDictionary<long, ISet<string>> newGenUpdatesFiles = new Dictionary<long, ISet<string>>();
long fieldInfosGen = Info.FieldInfosGen;
foreach (FieldInfo fi in fieldInfos)
{
long dvGen = fi.DocValuesGen;
if (dvGen != -1 && !newGenUpdatesFiles.ContainsKey(dvGen))
{
if (dvGen == fieldInfosGen)
{
newGenUpdatesFiles[fieldInfosGen] = trackingDir.CreatedFiles;
}
else
{
newGenUpdatesFiles[dvGen] = genUpdatesFiles[dvGen];
}
}
}
Info.GenUpdatesFiles = newGenUpdatesFiles;
// wrote new files, should checkpoint()
Writer.Checkpoint();
// if there is a reader open, reopen it to reflect the updates
if (Reader != null)
{
SegmentReader newReader = new SegmentReader(Info, Reader, LiveDocs_Renamed, Info.Info.DocCount - Info.DelCount - PendingDeleteCount_Renamed);
bool reopened = false;
try
{
Reader.DecRef();
Reader = newReader;
reopened = true;
}
finally
{
if (!reopened)
{
newReader.DecRef();
}
}
}
}
}
public DocumentsWriterPerThread(string segmentName, Directory directory, LiveIndexWriterConfig indexWriterConfig, InfoStream infoStream, DocumentsWriterDeleteQueue deleteQueue, FieldInfos.Builder fieldInfos)
{
this.DirectoryOrig = directory;
this.Directory = new TrackingDirectoryWrapper(directory);
this.FieldInfos = fieldInfos;
this.IndexWriterConfig = indexWriterConfig;
this.InfoStream = infoStream;
this.Codec = indexWriterConfig.Codec;
this.docState = new DocState(this, infoStream);
this.docState.Similarity = indexWriterConfig.Similarity;
bytesUsed = Counter.NewCounter();
ByteBlockAllocator = new DirectTrackingAllocator(bytesUsed);
PendingUpdates = new BufferedUpdates();
intBlockAllocator = new IntBlockAllocator(bytesUsed);
this.DeleteQueue = deleteQueue;
Debug.Assert(numDocsInRAM == 0, "num docs " + numDocsInRAM);
PendingUpdates.Clear();
DeleteSlice = deleteQueue.NewSlice();
SegmentInfo_Renamed = new SegmentInfo(DirectoryOrig, Constants.LUCENE_MAIN_VERSION, segmentName, -1, false, Codec, null);
Debug.Assert(numDocsInRAM == 0);
if (INFO_VERBOSE && infoStream.IsEnabled("DWPT"))
{
infoStream.Message("DWPT", Thread.CurrentThread.Name + " init seg=" + segmentName + " delQueue=" + deleteQueue);
}
// this should be the last call in the ctor
// it really sucks that we need to pull this within the ctor and pass this ref to the chain!
Consumer = indexWriterConfig.IndexingChain.GetChain(this);
}
/// <summary>
/// Call this to get the (merged) FieldInfos for a
/// composite reader.
/// <p>
/// NOTE: the returned field numbers will likely not
/// correspond to the actual field numbers in the underlying
/// readers, and codec metadata (<seealso cref="FieldInfo#getAttribute(String)"/>
/// will be unavailable.
/// </summary>
public static FieldInfos GetMergedFieldInfos(IndexReader reader)
{
FieldInfos.Builder builder = new FieldInfos.Builder();
foreach (AtomicReaderContext ctx in reader.Leaves())
{
builder.Add(ctx.AtomicReader.FieldInfos);
}
return builder.Finish();
}
private void EnsureInitialized(ThreadState state)
{
if (state.Active && state.Dwpt == null)
{
FieldInfos.Builder infos = new FieldInfos.Builder(Writer.GlobalFieldNumberMap);
state.Dwpt = new DocumentsWriterPerThread(Writer.NewSegmentName(), Directory, LIWConfig, InfoStream, DeleteQueue, infos);
}
}
/// <summary>
/// Expert: create a ParallelAtomicReader based on the provided
/// readers and storedFieldReaders; when a document is
/// loaded, only storedFieldsReaders will be used.
/// </summary>
public ParallelAtomicReader(bool closeSubReaders, AtomicReader[] readers, AtomicReader[] storedFieldsReaders)
{
if (!InstanceFieldsInitialized)
{
InitializeInstanceFields();
InstanceFieldsInitialized = true;
}
this.CloseSubReaders = closeSubReaders;
if (readers.Length == 0 && storedFieldsReaders.Length > 0)
{
throw new System.ArgumentException("There must be at least one main reader if storedFieldsReaders are used.");
}
this.ParallelReaders = (AtomicReader[])readers.Clone();
this.StoredFieldsReaders = (AtomicReader[])storedFieldsReaders.Clone();
if (ParallelReaders.Length > 0)
{
AtomicReader first = ParallelReaders[0];
this.maxDoc = first.MaxDoc;
this.numDocs = first.NumDocs;
this.hasDeletions = first.HasDeletions;
}
else
{
this.maxDoc = this.numDocs = 0;
this.hasDeletions = false;
}
CollectionsHelper.AddAll(CompleteReaderSet, this.ParallelReaders);
CollectionsHelper.AddAll(CompleteReaderSet, this.StoredFieldsReaders);
// check compatibility:
foreach (AtomicReader reader in CompleteReaderSet)
{
if (reader.MaxDoc != maxDoc)
{
throw new System.ArgumentException("All readers must have same maxDoc: " + maxDoc + "!=" + reader.MaxDoc);
}
}
// TODO: make this read-only in a cleaner way?
FieldInfos.Builder builder = new FieldInfos.Builder();
// build FieldInfos and fieldToReader map:
foreach (AtomicReader reader in this.ParallelReaders)
{
FieldInfos readerFieldInfos = reader.FieldInfos;
foreach (FieldInfo fieldInfo in readerFieldInfos)
{
// NOTE: first reader having a given field "wins":
if (!FieldToReader.ContainsKey(fieldInfo.Name))
{
builder.Add(fieldInfo);
FieldToReader[fieldInfo.Name] = reader;
if (fieldInfo.HasVectors())
{
TvFieldToReader[fieldInfo.Name] = reader;
}
}
}
}
FieldInfos_Renamed = builder.Finish();
// build Fields instance
foreach (AtomicReader reader in this.ParallelReaders)
{
Fields readerFields = reader.Fields;
if (readerFields != null)
{
foreach (string field in readerFields)
{
// only add if the reader responsible for that field name is the current:
if (FieldToReader[field].Equals(reader))
{
this.Fields_Renamed.AddField(field, readerFields.Terms(field));
}
}
}
}
// do this finally so any Exceptions occurred before don't affect refcounts:
foreach (AtomicReader reader in CompleteReaderSet)
{
if (!closeSubReaders)
{
reader.IncRef();
}
reader.RegisterParentReader(this);
}
}
public abstract void ProcessDocument(FieldInfos.Builder fieldInfos);
