// public static boolean DEBUG = false;
/// <summary>
/// Sole constructor. </summary>
public Lucene41PostingsReader(Directory dir, FieldInfos fieldInfos, SegmentInfo segmentInfo, IOContext ioContext, string segmentSuffix)
{
bool success = false;
IndexInput docIn = null;
IndexInput posIn = null;
IndexInput payIn = null;
try
{
docIn = dir.OpenInput(IndexFileNames.SegmentFileName(segmentInfo.Name, segmentSuffix, Lucene41PostingsFormat.DOC_EXTENSION), ioContext);
Version = CodecUtil.CheckHeader(docIn, Lucene41PostingsWriter.DOC_CODEC, Lucene41PostingsWriter.VERSION_START, Lucene41PostingsWriter.VERSION_CURRENT);
forUtil = new ForUtil(docIn);
if (fieldInfos.HasProx())
{
posIn = dir.OpenInput(IndexFileNames.SegmentFileName(segmentInfo.Name, segmentSuffix, Lucene41PostingsFormat.POS_EXTENSION), ioContext);
CodecUtil.CheckHeader(posIn, Lucene41PostingsWriter.POS_CODEC, Version, Version);
if (fieldInfos.HasPayloads() || fieldInfos.HasOffsets())
{
payIn = dir.OpenInput(IndexFileNames.SegmentFileName(segmentInfo.Name, segmentSuffix, Lucene41PostingsFormat.PAY_EXTENSION), ioContext);
CodecUtil.CheckHeader(payIn, Lucene41PostingsWriter.PAY_CODEC, Version, Version);
}
}
this.DocIn = docIn;
this.PosIn = posIn;
this.PayIn = payIn;
success = true;
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(docIn, posIn, payIn);
}
}
}
internal CoreReaders(Directory dir, SegmentInfo si, int readBufferSize, int termsIndexDivisor)
{
segment = si.name;
this.readBufferSize = readBufferSize;
this.dir = dir;
bool success = false;
try
{
Directory dir0 = dir;
if (si.GetUseCompoundFile())
{
cfsReader = new CompoundFileReader(dir, segment + "." + IndexFileNames.COMPOUND_FILE_EXTENSION, readBufferSize);
dir0 = cfsReader;
}
cfsDir = dir0;
fieldInfos = new FieldInfos(cfsDir, segment + "." + IndexFileNames.FIELD_INFOS_EXTENSION);
this.termsIndexDivisor = termsIndexDivisor;
TermInfosReader reader = new TermInfosReader(cfsDir, segment, fieldInfos, readBufferSize, termsIndexDivisor);
if (termsIndexDivisor == - 1)
{
tisNoIndex = reader;
}
else
{
tis = reader;
tisNoIndex = null;
}
// make sure that all index files have been read or are kept open
// so that if an index update removes them we'll still have them
freqStream = cfsDir.OpenInput(segment + "." + IndexFileNames.FREQ_EXTENSION, readBufferSize);
if (fieldInfos.HasProx())
{
proxStream = cfsDir.OpenInput(segment + "." + IndexFileNames.PROX_EXTENSION, readBufferSize);
}
else
{
proxStream = null;
}
success = true;
}
finally
{
if (!success)
{
DecRef();
}
}
}
internal CoreReaders(SegmentReader origInstance, Directory dir, SegmentInfo si, int readBufferSize, int termsIndexDivisor)
{
segment = si.name;
this.readBufferSize = readBufferSize;
this.dir = dir;
bool success = false;
try
{
Directory dir0 = dir;
if (si.GetUseCompoundFile())
{
cfsReader = new CompoundFileReader(dir, segment + "." + IndexFileNames.COMPOUND_FILE_EXTENSION, readBufferSize);
dir0 = cfsReader;
}
cfsDir = dir0;
fieldInfos = new FieldInfos(cfsDir, segment + "." + IndexFileNames.FIELD_INFOS_EXTENSION);
this.termsIndexDivisor = termsIndexDivisor;
TermInfosReader reader = new TermInfosReader(cfsDir, segment, fieldInfos, readBufferSize, termsIndexDivisor);
if (termsIndexDivisor == - 1)
{
tisNoIndex = reader;
}
else
{
tis = reader;
tisNoIndex = null;
}
// make sure that all index files have been read or are kept open
// so that if an index update removes them we'll still have them
freqStream = cfsDir.OpenInput(segment + "." + IndexFileNames.FREQ_EXTENSION, readBufferSize);
if (fieldInfos.HasProx())
{
proxStream = cfsDir.OpenInput(segment + "." + IndexFileNames.PROX_EXTENSION, readBufferSize);
}
else
{
proxStream = null;
}
success = true;
}
finally
{
if (!success)
{
DecRef();
}
}
// Must assign this at the end -- if we hit an
// exception above core, we don't want to attempt to
// purge the FieldCache (will hit NPE because core is
// not assigned yet).
this.origInstance = origInstance;
}
