本文整理汇总了C#中Directory.OpenChecksumInput方法的典型用法代码示例。如果您正苦于以下问题：C# Directory.OpenChecksumInput方法的具体用法？C# Directory.OpenChecksumInput怎么用？C# Directory.OpenChecksumInput使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Directory的用法示例。
在下文中一共展示了Directory.OpenChecksumInput方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CompressingStoredFieldsReader
/// <summary>
/// Sole constructor. </summary>
public CompressingStoredFieldsReader(Directory d, SegmentInfo si, string segmentSuffix, FieldInfos fn, IOContext context, string formatName, CompressionMode compressionMode)
{
this.CompressionMode_Renamed = compressionMode;
string segment = si.Name;
bool success = false;
FieldInfos = fn;
NumDocs = si.DocCount;
ChecksumIndexInput indexStream = null;
try
{
string indexStreamFN = IndexFileNames.SegmentFileName(segment, segmentSuffix, Lucene40StoredFieldsWriter.FIELDS_INDEX_EXTENSION);
string fieldsStreamFN = IndexFileNames.SegmentFileName(segment, segmentSuffix, Lucene40StoredFieldsWriter.FIELDS_EXTENSION);
// Load the index into memory
indexStream = d.OpenChecksumInput(indexStreamFN, context);
string codecNameIdx = formatName + CompressingStoredFieldsWriter.CODEC_SFX_IDX;
Version_Renamed = CodecUtil.CheckHeader(indexStream, codecNameIdx, CompressingStoredFieldsWriter.VERSION_START, CompressingStoredFieldsWriter.VERSION_CURRENT);
Debug.Assert(CodecUtil.HeaderLength(codecNameIdx) == indexStream.FilePointer);
IndexReader = new CompressingStoredFieldsIndexReader(indexStream, si);
long maxPointer = -1;
if (Version_Renamed >= CompressingStoredFieldsWriter.VERSION_CHECKSUM)
{
maxPointer = indexStream.ReadVLong();
CodecUtil.CheckFooter(indexStream);
}
else
{
CodecUtil.CheckEOF(indexStream);
}
indexStream.Dispose();
indexStream = null;
// Open the data file and read metadata
FieldsStream = d.OpenInput(fieldsStreamFN, context);
if (Version_Renamed >= CompressingStoredFieldsWriter.VERSION_CHECKSUM)
{
if (maxPointer + CodecUtil.FooterLength() != FieldsStream.Length())
{
throw new CorruptIndexException("Invalid fieldsStream maxPointer (file truncated?): maxPointer=" + maxPointer + ", length=" + FieldsStream.Length());
}
}
else
{
maxPointer = FieldsStream.Length();
}
this.MaxPointer = maxPointer;
string codecNameDat = formatName + CompressingStoredFieldsWriter.CODEC_SFX_DAT;
int fieldsVersion = CodecUtil.CheckHeader(FieldsStream, codecNameDat, CompressingStoredFieldsWriter.VERSION_START, CompressingStoredFieldsWriter.VERSION_CURRENT);
if (Version_Renamed != fieldsVersion)
{
throw new CorruptIndexException("Version mismatch between stored fields index and data: " + Version_Renamed + " != " + fieldsVersion);
}
Debug.Assert(CodecUtil.HeaderLength(codecNameDat) == FieldsStream.FilePointer);
if (Version_Renamed >= CompressingStoredFieldsWriter.VERSION_BIG_CHUNKS)
{
ChunkSize_Renamed = FieldsStream.ReadVInt();
}
else
{
ChunkSize_Renamed = -1;
}
PackedIntsVersion = FieldsStream.ReadVInt();
Decompressor = compressionMode.NewDecompressor();
this.Bytes = new BytesRef();
success = true;
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(this, indexStream);
}
}
}示例2: Read
public override SegmentInfo Read(Directory directory, string segmentName, IOContext context)
{
var scratch = new BytesRef();
string segFileName = IndexFileNames.SegmentFileName(segmentName, "",
SimpleTextSegmentInfoFormat.SI_EXTENSION);
ChecksumIndexInput input = directory.OpenChecksumInput(segFileName, context);
bool success = false;
try
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_VERSION));
string version = ReadString(SimpleTextSegmentInfoWriter.SI_VERSION.Length, scratch);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_DOCCOUNT));
int docCount = Convert.ToInt32(ReadString(SimpleTextSegmentInfoWriter.SI_DOCCOUNT.Length, scratch), CultureInfo.InvariantCulture);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_USECOMPOUND));
bool isCompoundFile = Convert.ToBoolean(ReadString(SimpleTextSegmentInfoWriter.SI_USECOMPOUND.Length, scratch), CultureInfo.InvariantCulture);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_NUM_DIAG));
int numDiag = Convert.ToInt32(ReadString(SimpleTextSegmentInfoWriter.SI_NUM_DIAG.Length, scratch), CultureInfo.InvariantCulture);
IDictionary<string, string> diagnostics = new Dictionary<string, string>();
for (int i = 0; i < numDiag; i++)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_DIAG_KEY));
string key = ReadString(SimpleTextSegmentInfoWriter.SI_DIAG_KEY.Length, scratch);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_DIAG_VALUE));
string value = ReadString(SimpleTextSegmentInfoWriter.SI_DIAG_VALUE.Length, scratch);
diagnostics[key] = value;
}
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_NUM_FILES));
int numFiles = Convert.ToInt32(ReadString(SimpleTextSegmentInfoWriter.SI_NUM_FILES.Length, scratch), CultureInfo.InvariantCulture);
var files = new HashSet<string>();
for (int i = 0; i < numFiles; i++)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_FILE));
string fileName = ReadString(SimpleTextSegmentInfoWriter.SI_FILE.Length, scratch);
files.Add(fileName);
}
SimpleTextUtil.CheckFooter(input);
var info = new SegmentInfo(directory, version, segmentName, docCount, isCompoundFile, null,
diagnostics) {Files = files};
success = true;
return info;
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(input);
}
else
{
input.Dispose();
}
}
}示例3: Read
public override FieldInfos Read(Directory directory, string segmentName, string segmentSuffix, IOContext context)
{
string fileName = IndexFileNames.SegmentFileName(segmentName, segmentSuffix, Lucene46FieldInfosFormat.EXTENSION);
ChecksumIndexInput input = directory.OpenChecksumInput(fileName, context);
bool success = false;
try
{
int codecVersion = CodecUtil.CheckHeader(input, Lucene46FieldInfosFormat.CODEC_NAME, Lucene46FieldInfosFormat.FORMAT_START, Lucene46FieldInfosFormat.FORMAT_CURRENT);
int size = input.ReadVInt(); //read in the size
FieldInfo[] infos = new FieldInfo[size];
for (int i = 0; i < size; i++)
{
string name = input.ReadString();
int fieldNumber = input.ReadVInt();
byte bits = input.ReadByte();
bool isIndexed = (bits & Lucene46FieldInfosFormat.IS_INDEXED) != 0;
bool storeTermVector = (bits & Lucene46FieldInfosFormat.STORE_TERMVECTOR) != 0;
bool omitNorms = (bits & Lucene46FieldInfosFormat.OMIT_NORMS) != 0;
bool storePayloads = (bits & Lucene46FieldInfosFormat.STORE_PAYLOADS) != 0;
FieldInfo.IndexOptions indexOptions;
if (!isIndexed)
{
indexOptions = default(FieldInfo.IndexOptions);
}
else if ((bits & Lucene46FieldInfosFormat.OMIT_TERM_FREQ_AND_POSITIONS) != 0)
{
indexOptions = FieldInfo.IndexOptions.DOCS_ONLY;
}
else if ((bits & Lucene46FieldInfosFormat.OMIT_POSITIONS) != 0)
{
indexOptions = FieldInfo.IndexOptions.DOCS_AND_FREQS;
}
else if ((bits & Lucene46FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS) != 0)
{
indexOptions = FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
}
else
{
indexOptions = FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS;
}
// DV Types are packed in one byte
byte val = input.ReadByte();
FieldInfo.DocValuesType_e? docValuesType = GetDocValuesType(input, (sbyte)(val & 0x0F));
FieldInfo.DocValuesType_e? normsType = GetDocValuesType(input, (sbyte)(((int)((uint)val >> 4)) & 0x0F));
long dvGen = input.ReadLong();
IDictionary<string, string> attributes = input.ReadStringStringMap();
infos[i] = new FieldInfo(name, isIndexed, fieldNumber, storeTermVector, omitNorms, storePayloads, indexOptions, docValuesType, normsType, CollectionsHelper.UnmodifiableMap(attributes));
infos[i].DocValuesGen = dvGen;
}
if (codecVersion >= Lucene46FieldInfosFormat.FORMAT_CHECKSUM)
{
CodecUtil.CheckFooter(input);
}
else
{
CodecUtil.CheckEOF(input);
}
FieldInfos fieldInfos = new FieldInfos(infos);
success = true;
return fieldInfos;
}
finally
{
if (success)
{
input.Dispose();
}
else
{
IOUtils.CloseWhileHandlingException(input);
}
}
}