protected override void Dispose(bool disposing)
{
if (disposing)
{
try
{
try
{
if (indexReader != null)
{
indexReader.Dispose();
}
}
finally
{
// null so if an app hangs on to us (ie, we are not
// GCable, despite being closed) we still free most
// ram
indexReader = null;
if (input != null)
{
input.Dispose();
}
}
}
finally
{
if (postingsReader != null)
{
postingsReader.Dispose();
}
}
}
}
public override void Dispose()
{
try
{
try
{
if (_indexReader != null)
{
_indexReader.Dispose();
}
}
finally
{
// null so if an app hangs on to us (ie, we are not
// GCable, despite being closed) we still free most
// ram
_indexReader = null;
if (_input != null)
{
_input.Dispose();
}
}
}
finally
{
if (_postingsReader != null)
{
_postingsReader.Dispose();
}
}
}
// private string segment;
public BlockTermsReader(TermsIndexReaderBase indexReader, Directory dir, FieldInfos fieldInfos, SegmentInfo info,
PostingsReaderBase postingsReader, IOContext context,
string segmentSuffix)
{
this.postingsReader = postingsReader;
// this.segment = segment;
input = dir.OpenInput(IndexFileNames.SegmentFileName(info.Name, segmentSuffix, BlockTermsWriter.TERMS_EXTENSION),
context);
bool success = false;
try
{
version = ReadHeader(input);
// Have PostingsReader init itself
postingsReader.Init(input);
// Read per-field details
SeekDir(input, dirOffset);
int numFields = input.ReadVInt32();
if (numFields < 0)
{
throw new CorruptIndexException("invalid number of fields: " + numFields + " (resource=" + input + ")");
}
for (int i = 0; i < numFields; i++)
{
int field = input.ReadVInt32();
long numTerms = input.ReadVInt64();
Debug.Assert(numTerms >= 0);
long termsStartPointer = input.ReadVInt64();
FieldInfo fieldInfo = fieldInfos.FieldInfo(field);
long sumTotalTermFreq = fieldInfo.IndexOptions == IndexOptions.DOCS_ONLY ? -1 : input.ReadVInt64();
long sumDocFreq = input.ReadVInt64();
int docCount = input.ReadVInt32();
int longsSize = version >= BlockTermsWriter.VERSION_META_ARRAY ? input.ReadVInt32() : 0;
if (docCount < 0 || docCount > info.DocCount)
{ // #docs with field must be <= #docs
throw new CorruptIndexException("invalid docCount: " + docCount + " maxDoc: " + info.DocCount + " (resource=" + input + ")");
}
if (sumDocFreq < docCount)
{ // #postings must be >= #docs with field
throw new CorruptIndexException("invalid sumDocFreq: " + sumDocFreq + " docCount: " + docCount + " (resource=" + input + ")");
}
if (sumTotalTermFreq != -1 && sumTotalTermFreq < sumDocFreq)
{ // #positions must be >= #postings
throw new CorruptIndexException("invalid sumTotalTermFreq: " + sumTotalTermFreq + " sumDocFreq: " + sumDocFreq + " (resource=" + input + ")");
}
FieldReader previous = fields.Put(fieldInfo.Name, new FieldReader(this, fieldInfo, numTerms, termsStartPointer, sumTotalTermFreq, sumDocFreq, docCount, longsSize));
if (previous != null)
{
throw new CorruptIndexException("duplicate fields: " + fieldInfo.Name + " (resource=" + input + ")");
}
}
success = true;
}
finally
{
if (!success)
{
input.Dispose();
}
}
this.indexReader = indexReader;
}
public BlockTermsReader(TermsIndexReaderBase indexReader, Directory dir, FieldInfos fieldInfos, SegmentInfo info,
PostingsReaderBase postingsReader, IOContext context,
String segmentSuffix)
{
_postingsReader = postingsReader;
_input =
dir.OpenInput(
IndexFileNames.SegmentFileName(info.Name, segmentSuffix, BlockTermsWriter.TERMS_EXTENSION),
context);
var success = false;
try
{
_version = ReadHeader(_input);
// Have PostingsReader init itself
postingsReader.Init(_input);
// Read per-field details
SeekDir(_input, _dirOffset);
int numFields = _input.ReadVInt();
if (numFields < 0)
{
throw new CorruptIndexException(String.Format("Invalid number of fields: {0}, Resource: {1}",
numFields, _input));
}
for (var i = 0; i < numFields; i++)
{
var field = _input.ReadVInt();
var numTerms = _input.ReadVLong();
Debug.Assert(numTerms >= 0);
var termsStartPointer = _input.ReadVLong();
var fieldInfo = fieldInfos.FieldInfo(field);
var sumTotalTermFreq = fieldInfo.FieldIndexOptions == FieldInfo.IndexOptions.DOCS_ONLY
? -1
: _input.ReadVLong();
var sumDocFreq = _input.ReadVLong();
var docCount = _input.ReadVInt();
var longsSize = _version >= BlockTermsWriter.VERSION_META_ARRAY ? _input.ReadVInt() : 0;
if (docCount < 0 || docCount > info.DocCount)
{
// #docs with field must be <= #docs
throw new CorruptIndexException(
String.Format("Invalid DocCount: {0}, MaxDoc: {1}, Resource: {2}", docCount, info.DocCount,
_input));
}
if (sumDocFreq < docCount)
{
// #postings must be >= #docs with field
throw new CorruptIndexException(
String.Format("Invalid sumDocFreq: {0}, DocCount: {1}, Resource: {2}", sumDocFreq, docCount,
_input));
}
if (sumTotalTermFreq != -1 && sumTotalTermFreq < sumDocFreq)
{
// #positions must be >= #postings
throw new CorruptIndexException(
String.Format("Invalid sumTotalTermFreq: {0}, sumDocFreq: {1}, Resource: {2}",
sumTotalTermFreq, sumDocFreq, _input));
}
try
{
_fields.Add(fieldInfo.Name,
new FieldReader(fieldInfo, this, numTerms, termsStartPointer, sumTotalTermFreq, sumDocFreq,
docCount,
longsSize));
}
catch (ArgumentException)
{
throw new CorruptIndexException(String.Format("Duplicate fields: {0}, Resource: {1}",
fieldInfo.Name, _input));
}
}
success = true;
}
finally
{
if (!success)
{
_input.Dispose();
}
}
_indexReader = indexReader;
}
public BlockTermsReader(TermsIndexReaderBase indexReader, Directory dir, FieldInfos fieldInfos, SegmentInfo info,
PostingsReaderBase postingsReader, IOContext context,
String segmentSuffix)
{
_postingsReader = postingsReader;
_input =
dir.OpenInput(
IndexFileNames.SegmentFileName(info.Name, segmentSuffix, BlockTermsWriter.TERMS_EXTENSION),
context);
var success = false;
try
{
_version = ReadHeader(_input);
// Have PostingsReader init itself
postingsReader.Init(_input);
// Read per-field details
SeekDir(_input, _dirOffset);
int numFields = _input.ReadVInt();
if (numFields < 0)
{
throw new CorruptIndexException(String.Format("Invalid number of fields: {0}, Resource: {1}",
numFields, _input));
}
for (var i = 0; i < numFields; i++)
{
var field = _input.ReadVInt();
var numTerms = _input.ReadVLong();
Debug.Assert(numTerms >= 0);
var termsStartPointer = _input.ReadVLong();
var fieldInfo = fieldInfos.FieldInfo(field);
var sumTotalTermFreq = fieldInfo.FieldIndexOptions == FieldInfo.IndexOptions.DOCS_ONLY
? -1
: _input.ReadVLong();
var sumDocFreq = _input.ReadVLong();
var docCount = _input.ReadVInt();
var longsSize = _version >= BlockTermsWriter.VERSION_META_ARRAY ? _input.ReadVInt() : 0;
if (docCount < 0 || docCount > info.DocCount)
{
// #docs with field must be <= #docs
throw new CorruptIndexException(
String.Format("Invalid DocCount: {0}, MaxDoc: {1}, Resource: {2}", docCount, info.DocCount,
_input));
}
if (sumDocFreq < docCount)
{
// #postings must be >= #docs with field
throw new CorruptIndexException(
String.Format("Invalid sumDocFreq: {0}, DocCount: {1}, Resource: {2}", sumDocFreq, docCount,
_input));
}
if (sumTotalTermFreq != -1 && sumTotalTermFreq < sumDocFreq)
{
// #positions must be >= #postings
throw new CorruptIndexException(
String.Format("Invalid sumTotalTermFreq: {0}, sumDocFreq: {1}, Resource: {2}",
sumTotalTermFreq, sumDocFreq, _input));
}
try
{
_fields.Add(fieldInfo.Name,
new FieldReader(fieldInfo, this, numTerms, termsStartPointer, sumTotalTermFreq, sumDocFreq,
docCount,
longsSize));
}
catch (ArgumentException)
{
throw new CorruptIndexException(String.Format("Duplicate fields: {0}, Resource: {1}",
fieldInfo.Name, _input));
}
}
success = true;
}
finally
{
if (!success)
{
_input.Dispose();
}
}
_indexReader = indexReader;
}
public override void Dispose()
{
try
{
try
{
if (_indexReader != null)
_indexReader.Dispose();
}
finally
{
// null so if an app hangs on to us (ie, we are not
// GCable, despite being closed) we still free most
// ram
_indexReader = null;
if (_input != null)
_input.Dispose();
}
}
finally
{
if (_postingsReader != null)
_postingsReader.Dispose();
}
}
