public override System.Object Clone()
{
CSIndexInput clone = (CSIndexInput)base.Clone();
clone.base_Renamed = (IndexInput)base_Renamed.Clone();
clone.fileOffset = fileOffset;
clone.length = length;
return(clone);
}
// Used only by clone
private FieldsReader(FieldInfos fieldInfos, int numTotalDocs, int size, int format, int formatSize, int docStoreOffset, IndexInput cloneableFieldsStream, IndexInput cloneableIndexStream)
{
this.fieldInfos = fieldInfos;
this.numTotalDocs = numTotalDocs;
this.size = size;
this.format = format;
this.formatSize = formatSize;
this.docStoreOffset = docStoreOffset;
this.cloneableFieldsStream = cloneableFieldsStream;
this.cloneableIndexStream = cloneableIndexStream;
fieldsStream = (IndexInput)cloneableFieldsStream.Clone();
indexStream = (IndexInput)cloneableIndexStream.Clone();
}
public virtual System.Object Clone()
{
TermVectorsReader clone = (TermVectorsReader)base.MemberwiseClone();
// These are null when a TermVectorsReader was created
// on a segment that did not have term vectors saved
if (tvx != null && tvd != null && tvf != null)
{
clone.tvx = (IndexInput)tvx.Clone();
clone.tvd = (IndexInput)tvd.Clone();
clone.tvf = (IndexInput)tvf.Clone();
}
return(clone);
}
public System.Object Clone()
{
SegmentTermEnum clone = null;
try
{
clone = (SegmentTermEnum)base.MemberwiseClone();
}
catch (System.Exception e)
{
}
clone.input = (IndexInput)input.Clone();
clone.termInfo = new TermInfo(termInfo);
clone.termBuffer = (TermBuffer)termBuffer.Clone();
clone.prevBuffer = (TermBuffer)prevBuffer.Clone();
clone.scanBuffer = new TermBuffer();
return(clone);
}
/// <summary>Optimized implementation. </summary>
public virtual bool SkipTo(int target)
{
if (df >= skipInterval)
{
// optimized case
if (skipListReader == null)
{
skipListReader = new DefaultSkipListReader((IndexInput)freqStream.Clone(), maxSkipLevels, skipInterval); // lazily clone
}
if (!haveSkipped)
{
// lazily initialize skip stream
skipListReader.Init(skipPointer, freqBasePointer, proxBasePointer, df, currentFieldStoresPayloads);
haveSkipped = true;
}
int newCount = skipListReader.SkipTo(target);
if (newCount > count)
{
freqStream.Seek(skipListReader.GetFreqPointer());
SkipProx(skipListReader.GetProxPointer(), skipListReader.GetPayloadLength());
doc = skipListReader.GetDoc();
count = newCount;
}
}
// done skipping, now just scan
do
{
if (!Next())
{
return(false);
}
}while (target > doc);
return(true);
}
internal CSIndexInput(IndexInput base_Renamed, long fileOffset, long length, int readBufferSize) : base(readBufferSize)
{
this.base_Renamed = (IndexInput)base_Renamed.Clone();
this.fileOffset = fileOffset;
this.length = length;
}
internal FieldsReader(Directory d, System.String segment, FieldInfos fn, int readBufferSize, int docStoreOffset, int size)
{
bool success = false;
isOriginal = true;
try
{
fieldInfos = fn;
cloneableFieldsStream = d.OpenInput(segment + "." + IndexFileNames.FIELDS_EXTENSION, readBufferSize);
cloneableIndexStream = d.OpenInput(segment + "." + IndexFileNames.FIELDS_INDEX_EXTENSION, readBufferSize);
// First version of fdx did not include a format
// header, but, the first int will always be 0 in that
// case
int firstInt = cloneableIndexStream.ReadInt();
if (firstInt == 0)
format = 0;
else
format = firstInt;
if (format > FieldsWriter.FORMAT_CURRENT
/* extra support for Lucene 3.0 indexes: */ && format != FieldsWriter.FORMAT_LUCENE_3_0_NO_COMPRESSED_FIELDS
)
throw new CorruptIndexException("Incompatible format version: " + format + " expected " + FieldsWriter.FORMAT_CURRENT + " or lower");
if (format > FieldsWriter.FORMAT)
formatSize = 4;
else
formatSize = 0;
if (format < FieldsWriter.FORMAT_VERSION_UTF8_LENGTH_IN_BYTES)
cloneableFieldsStream.SetModifiedUTF8StringsMode();
fieldsStream = (IndexInput) cloneableFieldsStream.Clone();
long indexSize = cloneableIndexStream.Length() - formatSize;
if (docStoreOffset != - 1)
{
// We read only a slice out of this shared fields file
this.docStoreOffset = docStoreOffset;
this.size = size;
// Verify the file is long enough to hold all of our
// docs
System.Diagnostics.Debug.Assert(((int)(indexSize / 8)) >= size + this.docStoreOffset, "indexSize=" + indexSize + " size=" + size + " docStoreOffset=" + docStoreOffset);
}
else
{
this.docStoreOffset = 0;
this.size = (int) (indexSize >> 3);
}
indexStream = (IndexInput) cloneableIndexStream.Clone();
numTotalDocs = (int) (indexSize >> 3);
success = true;
}
finally
{
// With lock-less commits, it's entirely possible (and
// fine) to hit a FileNotFound exception above. In
// this case, we want to explicitly close any subset
// of things that were opened so that we don't have to
// wait for a GC to do so.
if (!success)
{
Close();
}
}
}
// Used only by clone
private FieldsReader(FieldInfos fieldInfos, int numTotalDocs, int size, int format, int formatSize, int docStoreOffset, IndexInput cloneableFieldsStream, IndexInput cloneableIndexStream)
{
this.fieldInfos = fieldInfos;
this.numTotalDocs = numTotalDocs;
this.size = size;
this.format = format;
this.formatSize = formatSize;
this.docStoreOffset = docStoreOffset;
this.cloneableFieldsStream = cloneableFieldsStream;
this.cloneableIndexStream = cloneableIndexStream;
fieldsStream = (IndexInput) cloneableFieldsStream.Clone();
indexStream = (IndexInput) cloneableIndexStream.Clone();
}
internal FieldsReader(Directory d, System.String segment, FieldInfos fn, int readBufferSize, int docStoreOffset, int size)
{
bool success = false;
isOriginal = true;
try
{
fieldInfos = fn;
cloneableFieldsStream = d.OpenInput(segment + "." + IndexFileNames.FIELDS_EXTENSION, readBufferSize);
cloneableIndexStream = d.OpenInput(segment + "." + IndexFileNames.FIELDS_INDEX_EXTENSION, readBufferSize);
// First version of fdx did not include a format
// header, but, the first int will always be 0 in that
// case
int firstInt = cloneableIndexStream.ReadInt();
if (firstInt == 0)
{
format = 0;
}
else
{
format = firstInt;
}
if (format > FieldsWriter.FORMAT_CURRENT &&
/* extra support for Lucene 3.0 indexes: */ format != FieldsWriter.FORMAT_LUCENE_3_0_NO_COMPRESSED_FIELDS
)
{
throw new CorruptIndexException("Incompatible format version: " + format + " expected " + FieldsWriter.FORMAT_CURRENT + " or lower");
}
if (format > FieldsWriter.FORMAT)
{
formatSize = 4;
}
else
{
formatSize = 0;
}
if (format < FieldsWriter.FORMAT_VERSION_UTF8_LENGTH_IN_BYTES)
{
cloneableFieldsStream.SetModifiedUTF8StringsMode();
}
fieldsStream = (IndexInput)cloneableFieldsStream.Clone();
long indexSize = cloneableIndexStream.Length() - formatSize;
if (docStoreOffset != -1)
{
// We read only a slice out of this shared fields file
this.docStoreOffset = docStoreOffset;
this.size = size;
// Verify the file is long enough to hold all of our
// docs
System.Diagnostics.Debug.Assert(((int)(indexSize / 8)) >= size + this.docStoreOffset, "indexSize=" + indexSize + " size=" + size + " docStoreOffset=" + docStoreOffset);
}
else
{
this.docStoreOffset = 0;
this.size = (int)(indexSize >> 3);
}
indexStream = (IndexInput)cloneableIndexStream.Clone();
numTotalDocs = (int)(indexSize >> 3);
success = true;
}
finally
{
// With lock-less commits, it's entirely possible (and
// fine) to hit a FileNotFound exception above. In
// this case, we want to explicitly close any subset
// of things that were opened so that we don't have to
// wait for a GC to do so.
if (!success)
{
Close();
}
}
}
internal CSIndexInput(IndexInput base_Renamed, long fileOffset, long length, int readBufferSize):base(readBufferSize)
{
this.base_Renamed = (IndexInput) base_Renamed.Clone();
this.fileOffset = fileOffset;
this.length = length;
}
