本文整理汇总了C#中Lucene.Net.Index.TermVectorMapper类的典型用法代码示例。如果您正苦于以下问题:C# TermVectorMapper类的具体用法?C# TermVectorMapper怎么用?C# TermVectorMapper使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
TermVectorMapper类属于Lucene.Net.Index命名空间,在下文中一共展示了TermVectorMapper类的12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,您的评价将有助于我们的系统推荐出更棒的C#代码示例。
示例1: GetTermFreqVector
public override void GetTermFreqVector(int docNumber, TermVectorMapper mapper)
{
EnsureOpen();
System.Collections.IEnumerator i = new System.Collections.Hashtable(fieldToReader).GetEnumerator();
while (i.MoveNext())
{
System.Collections.DictionaryEntry e = (System.Collections.DictionaryEntry) i.Current;
System.String field = (System.String) e.Key;
IndexReader reader = (IndexReader) e.Value;
reader.GetTermFreqVector(docNumber, field, mapper);
}
}
开发者ID:VirtueMe,项目名称:ravendb,代码行数:13,代码来源:ParallelReader.cs
示例2: GetTermFreqVector
public override void GetTermFreqVector(int docNumber, TermVectorMapper mapper)
{
EnsureOpen();
int i = ReaderIndex(docNumber); // find segment num
subReaders[i].GetTermFreqVector(docNumber - starts[i], mapper);
}
开发者ID:sinsay,项目名称:SSE,代码行数:6,代码来源:MultiReader.cs
示例3: GetTermFreqVector
public override void GetTermFreqVector(int docNumber, TermVectorMapper mapper)
{
EnsureOpen();
in_Renamed.GetTermFreqVector(docNumber, mapper);
}
开发者ID:JokerMisfits,项目名称:linux-packaging-mono,代码行数:5,代码来源:FilterIndexReader.cs
示例4: GetTermFreqVector
public override void GetTermFreqVector(int docNumber, TermVectorMapper mapper)
{
EnsureOpen();
TermVectorsReader termVectorsReader = GetTermVectorsReader();
if (termVectorsReader == null)
return ;
termVectorsReader.Get(docNumber, mapper);
}
开发者ID:nzdunic,项目名称:ravendb,代码行数:10,代码来源:SegmentReader.cs
示例5: GetTermFreqVector
public override void GetTermFreqVector(int docNumber, TermVectorMapper mapper)
{
EnsureOpen();
foreach(var e in fieldToReader)
{
System.String field = e.Key;
IndexReader reader = e.Value;
reader.GetTermFreqVector(docNumber, field, mapper);
}
}
开发者ID:modulexcite,项目名称:Xamarin-Lucene.Net,代码行数:11,代码来源:ParallelReader.cs
示例6: ReadTermVector
/// <summary> </summary>
/// <param name="field">The field to read in
/// </param>
/// <param name="tvfPointer">The pointer within the tvf file where we should start reading
/// </param>
/// <param name="mapper">The mapper used to map the TermVector
/// </param>
/// <returns> The TermVector located at that position
/// </returns>
/// <throws> IOException </throws>
private void ReadTermVector(System.String field, long tvfPointer, TermVectorMapper mapper)
{
// Now read the data from specified position
//We don't need to offset by the FORMAT here since the pointer already includes the offset
tvf.Seek(tvfPointer);
int numTerms = tvf.ReadVInt();
//System.out.println("Num Terms: " + numTerms);
// If no terms - return a constant empty termvector. However, this should never occur!
if (numTerms == 0)
return ;
bool storePositions;
bool storeOffsets;
if (tvfFormat == FORMAT_VERSION)
{
byte bits = tvf.ReadByte();
storePositions = (bits & STORE_POSITIONS_WITH_TERMVECTOR) != 0;
storeOffsets = (bits & STORE_OFFSET_WITH_TERMVECTOR) != 0;
}
else
{
tvf.ReadVInt();
storePositions = false;
storeOffsets = false;
}
mapper.SetExpectations(field, numTerms, storeOffsets, storePositions);
int start = 0;
int deltaLength = 0;
int totalLength = 0;
char[] buffer = new char[10]; // init the buffer with a length of 10 character
char[] previousBuffer = new char[]{};
for (int i = 0; i < numTerms; i++)
{
start = tvf.ReadVInt();
deltaLength = tvf.ReadVInt();
totalLength = start + deltaLength;
if (buffer.Length < totalLength)
{
// increase buffer
buffer = null; // give a hint to garbage collector
buffer = new char[totalLength];
if (start > 0)
// just copy if necessary
Array.Copy(previousBuffer, 0, buffer, 0, start);
}
tvf.ReadChars(buffer, start, deltaLength);
System.String term = new System.String(buffer, 0, totalLength);
previousBuffer = buffer;
int freq = tvf.ReadVInt();
int[] positions = null;
if (storePositions)
{
//read in the positions
//does the mapper even care about positions?
if (mapper.IsIgnoringPositions() == false)
{
positions = new int[freq];
int prevPosition = 0;
for (int j = 0; j < freq; j++)
{
positions[j] = prevPosition + tvf.ReadVInt();
prevPosition = positions[j];
}
}
else
{
//we need to skip over the positions. Since these are VInts, I don't believe there is anyway to know for sure how far to skip
//
for (int j = 0; j < freq; j++)
{
tvf.ReadVInt();
}
}
}
TermVectorOffsetInfo[] offsets = null;
if (storeOffsets)
{
//does the mapper even care about offsets?
if (mapper.IsIgnoringOffsets() == false)
{
offsets = new TermVectorOffsetInfo[freq];
int prevOffset = 0;
for (int j = 0; j < freq; j++)
{
//.........这里部分代码省略.........
开发者ID:vikasraz,项目名称:indexsearchutils,代码行数:101,代码来源:TermVectorsReader.cs
示例7: ReadTermVectors
private void ReadTermVectors(System.String[] fields, long[] tvfPointers, TermVectorMapper mapper)
{
for (int i = 0; i < fields.Length; i++)
{
ReadTermVector(fields[i], tvfPointers[i], mapper);
}
}
开发者ID:Mpdreamz,项目名称:lucene.net,代码行数:7,代码来源:TermVectorsReader.cs
示例8: ReadTermVector
/// <summary> </summary>
/// <param name="field">The field to read in
/// </param>
/// <param name="tvfPointer">The pointer within the tvf file where we should start reading
/// </param>
/// <param name="mapper">The mapper used to map the TermVector
/// </param>
/// <throws> IOException </throws>
private void ReadTermVector(System.String field, long tvfPointer, TermVectorMapper mapper)
{
// Now read the data from specified position
//We don't need to offset by the FORMAT here since the pointer already includes the offset
tvf.Seek(tvfPointer);
int numTerms = tvf.ReadVInt();
//System.out.println("Num Terms: " + numTerms);
// If no terms - return a constant empty termvector. However, this should never occur!
if (numTerms == 0)
return ;
bool storePositions;
bool storeOffsets;
if (format >= FORMAT_VERSION)
{
byte bits = tvf.ReadByte();
storePositions = (bits & STORE_POSITIONS_WITH_TERMVECTOR) != 0;
storeOffsets = (bits & STORE_OFFSET_WITH_TERMVECTOR) != 0;
}
else
{
tvf.ReadVInt();
storePositions = false;
storeOffsets = false;
}
mapper.SetExpectations(field, numTerms, storeOffsets, storePositions);
int start = 0;
int deltaLength = 0;
int totalLength = 0;
byte[] byteBuffer;
char[] charBuffer;
bool preUTF8 = format < FORMAT_UTF8_LENGTH_IN_BYTES;
// init the buffers
if (preUTF8)
{
charBuffer = new char[10];
byteBuffer = null;
}
else
{
charBuffer = null;
byteBuffer = new byte[20];
}
for (int i = 0; i < numTerms; i++)
{
start = tvf.ReadVInt();
deltaLength = tvf.ReadVInt();
totalLength = start + deltaLength;
System.String term;
if (preUTF8)
{
// Term stored as java chars
if (charBuffer.Length < totalLength)
{
char[] newCharBuffer = new char[(int) (1.5 * totalLength)];
Array.Copy(charBuffer, 0, newCharBuffer, 0, start);
charBuffer = newCharBuffer;
}
tvf.ReadChars(charBuffer, start, deltaLength);
term = new System.String(charBuffer, 0, totalLength);
}
else
{
// Term stored as utf8 bytes
if (byteBuffer.Length < totalLength)
{
byte[] newByteBuffer = new byte[(int) (1.5 * totalLength)];
Array.Copy(byteBuffer, 0, newByteBuffer, 0, start);
byteBuffer = newByteBuffer;
}
tvf.ReadBytes(byteBuffer, start, deltaLength);
term = System.Text.Encoding.UTF8.GetString(byteBuffer, 0, totalLength);
}
int freq = tvf.ReadVInt();
int[] positions = null;
if (storePositions)
{
//read in the positions
//does the mapper even care about positions?
if (mapper.IsIgnoringPositions() == false)
{
positions = new int[freq];
int prevPosition = 0;
for (int j = 0; j < freq; j++)
{
//.........这里部分代码省略.........
开发者ID:Mpdreamz,项目名称:lucene.net,代码行数:101,代码来源:TermVectorsReader.cs
示例9: Get
public virtual void Get(int docNumber, TermVectorMapper mapper)
{
// Check if no term vectors are available for this segment at all
if (tvx != null)
{
//We need to offset by
SeekTvx(docNumber);
long tvdPosition = tvx.ReadLong();
tvd.Seek(tvdPosition);
int fieldCount = tvd.ReadVInt();
// No fields are vectorized for this document
if (fieldCount != 0)
{
System.String[] fields = ReadFields(fieldCount);
long[] tvfPointers = ReadTvfPointers(fieldCount);
mapper.SetDocumentNumber(docNumber);
ReadTermVectors(fields, tvfPointers, mapper);
}
}
else
{
//System.out.println("No tvx file");
}
}
开发者ID:Mpdreamz,项目名称:lucene.net,代码行数:27,代码来源:TermVectorsReader.cs
示例10: GetTermFreqVector
/// <summary> Load the Term Vector into a user-defined data structure instead of relying on the parallel arrays of
/// the {@link TermFreqVector}.
/// </summary>
/// <param name="docNumber">The number of the document to load the vector for
/// </param>
/// <param name="field">The name of the field to load
/// </param>
/// <param name="mapper">The {@link TermVectorMapper} to process the vector. Must not be null
/// </param>
/// <throws> IOException if term vectors cannot be accessed or if they do not exist on the field and doc. specified. </throws>
/// <summary>
/// </summary>
public abstract void GetTermFreqVector(int docNumber, string field, TermVectorMapper mapper);
开发者ID:cqm0609,项目名称:lucene-file-finder,代码行数:13,代码来源:IndexReader.cs
示例11: GetTermFreqVector
/// <summary> Load the Term Vector into a user-defined data structure instead of relying on the parallel arrays of
/// the {@link TermFreqVector}.
/// </summary>
/// <param name="docNumber">The number of the document to load the vector for
/// </param>
/// <param name="field">The name of the field to load
/// </param>
/// <param name="mapper">The {@link TermVectorMapper} to process the vector. Must not be null
/// </param>
/// <throws> IOException if term vectors cannot be accessed or if they do not exist on the field and doc. specified. </throws>
/// <summary>
/// </summary>
abstract public void GetTermFreqVector(int docNumber, System.String field, TermVectorMapper mapper);
开发者ID:Mpdreamz,项目名称:lucene.net,代码行数:13,代码来源:IndexReader.cs
示例12: Get
public virtual void Get(int docNumber, TermVectorMapper mapper)
{
// Check if no term vectors are available for this segment at all
if (tvx != null)
{
//We need to offset by
tvx.Seek((docNumber * 8L) + FORMAT_SIZE);
long position = tvx.ReadLong();
tvd.Seek(position);
int fieldCount = tvd.ReadVInt();
// No fields are vectorized for this document
if (fieldCount != 0)
{
int number = 0;
System.String[] fields = new System.String[fieldCount];
for (int i = 0; i < fieldCount; i++)
{
if (tvdFormat == FORMAT_VERSION)
number = tvd.ReadVInt();
else
number += tvd.ReadVInt();
fields[i] = fieldInfos.FieldName(number);
}
// Compute position in the tvf file
position = 0;
long[] tvfPointers = new long[fieldCount];
for (int i = 0; i < fieldCount; i++)
{
position += tvd.ReadVLong();
tvfPointers[i] = position;
}
mapper.SetDocumentNumber(docNumber);
ReadTermVectors(fields, tvfPointers, mapper);
}
}
else
{
//System.out.println("No tvx file");
}
}
开发者ID:vikasraz,项目名称:indexsearchutils,代码行数:46,代码来源:TermVectorsReader.cs
注:本文中的Lucene.Net.Index.TermVectorMapper类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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