本文整理汇总了C#中Lucene.Net.Store.IndexInput.Seek方法的典型用法代码示例。如果您正苦于以下问题：C# IndexInput.Seek方法的具体用法？C# IndexInput.Seek怎么用？C# IndexInput.Seek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Lucene.Net.Store.IndexInput的用法示例。
在下文中一共展示了IndexInput.Seek方法的9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: GetOrdIndexInstance
protected override MonotonicBlockPackedReader GetOrdIndexInstance(IndexInput data, FieldInfo field,
NumericEntry entry)
{
data.Seek(entry.Offset);
return new MonotonicBlockPackedReader((IndexInput)data.Clone(), entry.PackedIntsVersion, entry.BlockSize, entry.Count,
true);
}示例2: GetAddressInstance
protected override MonotonicBlockPackedReader GetAddressInstance(IndexInput data, FieldInfo field,
BinaryEntry bytes)
{
data.Seek(bytes.AddressesOffset);
return new MonotonicBlockPackedReader((IndexInput)data.Clone(), bytes.PackedIntsVersion, bytes.BlockSize, bytes.Count,
true);
}示例3: BlockPackedReader
/// <summary>
/// Sole constructor. </summary>
public BlockPackedReader(IndexInput @in, int packedIntsVersion, int blockSize, long valueCount, bool direct)
{
this.ValueCount = valueCount;
BlockShift = PackedInts.CheckBlockSize(blockSize, AbstractBlockPackedWriter.MIN_BLOCK_SIZE, AbstractBlockPackedWriter.MAX_BLOCK_SIZE);
BlockMask = blockSize - 1;
int numBlocks = PackedInts.NumBlocks(valueCount, blockSize);
long[] minValues = null;
SubReaders = new PackedInts.Reader[numBlocks];
for (int i = 0; i < numBlocks; ++i)
{
int token = @in.ReadByte() & 0xFF;
int bitsPerValue = (int)((uint)token >> AbstractBlockPackedWriter.BPV_SHIFT);
if (bitsPerValue > 64)
{
throw new Exception("Corrupted");
}
if ((token & AbstractBlockPackedWriter.MIN_VALUE_EQUALS_0) == 0)
{
if (minValues == null)
{
minValues = new long[numBlocks];
}
minValues[i] = BlockPackedReaderIterator.ZigZagDecode(1L + BlockPackedReaderIterator.ReadVLong(@in));
}
if (bitsPerValue == 0)
{
SubReaders[i] = new PackedInts.NullReader(blockSize);
}
else
{
int size = (int)Math.Min(blockSize, valueCount - (long)i * blockSize);
if (direct)
{
long pointer = @in.FilePointer;
SubReaders[i] = PackedInts.GetDirectReaderNoHeader(@in, PackedInts.Format.PACKED, packedIntsVersion, size, bitsPerValue);
@in.Seek(pointer + PackedInts.Format.PACKED.ByteCount(packedIntsVersion, size, bitsPerValue));
}
else
{
SubReaders[i] = PackedInts.GetReaderNoHeader(@in, PackedInts.Format.PACKED, packedIntsVersion, size, bitsPerValue);
}
}
}
this.MinValues = minValues;
}示例4: MonotonicBlockPackedReader
/// <summary>
/// Sole constructor. </summary>
public MonotonicBlockPackedReader(IndexInput @in, int packedIntsVersion, int blockSize, long valueCount, bool direct)
{
this.ValueCount = valueCount;
BlockShift = PackedInts.CheckBlockSize(blockSize, AbstractBlockPackedWriter.MIN_BLOCK_SIZE, AbstractBlockPackedWriter.MAX_BLOCK_SIZE);
BlockMask = blockSize - 1;
int numBlocks = PackedInts.NumBlocks(valueCount, blockSize);
MinValues = new long[numBlocks];
Averages = new float[numBlocks];
SubReaders = new PackedInts.Reader[numBlocks];
for (int i = 0; i < numBlocks; ++i)
{
MinValues[i] = @in.ReadVLong();
Averages[i] = Number.IntBitsToFloat(@in.ReadInt());
int bitsPerValue = @in.ReadVInt();
if (bitsPerValue > 64)
{
throw new Exception("Corrupted");
}
if (bitsPerValue == 0)
{
SubReaders[i] = new PackedInts.NullReader(blockSize);
}
else
{
int size = (int)Math.Min(blockSize, valueCount - (long)i * blockSize);
if (direct)
{
long pointer = @in.FilePointer;
SubReaders[i] = PackedInts.GetDirectReaderNoHeader(@in, PackedInts.Format.PACKED, packedIntsVersion, size, bitsPerValue);
@in.Seek(pointer + PackedInts.Format.PACKED.ByteCount(packedIntsVersion, size, bitsPerValue));
}
else
{
SubReaders[i] = PackedInts.GetReaderNoHeader(@in, PackedInts.Format.PACKED, packedIntsVersion, size, bitsPerValue);
}
}
}
}示例5: AssertSameStreams
private void AssertSameStreams(string msg, IndexInput expected, IndexInput actual, long seekTo)
{
if (seekTo >= 0 && seekTo < expected.Length())
{
expected.Seek(seekTo);
actual.Seek(seekTo);
AssertSameStreams(msg + ", seek(mid)", expected, actual);
}
}示例6: SkipBlock
/// <summary>
/// Skip the next block of data.
/// </summary>
/// <param name="in"> the input where to read data </param>
/// <exception cref="IOException"> If there is a low-level I/O error </exception>
public void SkipBlock(IndexInput @in)
{
int numBits = @in.ReadByte();
if (numBits == ALL_VALUES_EQUAL)
{
@in.ReadVInt();
return;
}
Debug.Assert(numBits > 0 && numBits <= 32, numBits.ToString());
int encodedSize = EncodedSizes[numBits];
@in.Seek(@in.FilePointer + encodedSize);
}示例7: RunReadBytes
private void RunReadBytes(IndexInput input, int bufferSize, System.Random r)
{
int pos = 0;
// gradually increasing size:
for (int size = 1; size < bufferSize * 10; size = size + size / 200 + 1)
{
CheckReadBytes(input, size, pos);
pos += size;
if (pos >= TEST_FILE_LENGTH)
{
// wrap
pos = 0;
input.Seek(0L);
}
}
// wildly fluctuating size:
for (long i = 0; i < 1000; i++)
{
int size = r.Next(10000);
CheckReadBytes(input, 1 + size, pos);
pos += 1 + size;
if (pos >= TEST_FILE_LENGTH)
{
// wrap
pos = 0;
input.Seek(0L);
}
}
// constant small size (7 bytes):
for (int i = 0; i < bufferSize; i++)
{
CheckReadBytes(input, 7, pos);
pos += 7;
if (pos >= TEST_FILE_LENGTH)
{
// wrap
pos = 0;
input.Seek(0L);
}
}
}示例8: SeekDir
protected override void SeekDir(IndexInput input, long dirOffset)
{
input.Seek(input.Length() - sizeof(long)/8);
long offset = input.ReadLong();
input.Seek(offset);
}示例9: RetrieveChecksum
/// <summary>
/// Returns (but does not validate) the checksum previously written by <seealso cref="#checkFooter"/>. </summary>
/// <returns> actual checksum value </returns>
/// <exception cref="IOException"> if the footer is invalid </exception>
public static long RetrieveChecksum(IndexInput @in)
{
@in.Seek(@in.Length() - FooterLength());
ValidateFooter(@in);
return @in.ReadLong();
}