@InterfaceAudience.Private public class PrefixKeyDeltaEncoder extends BufferedDataBlockEncoder
Modifier and Type | Class and Description |
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private static class |
PrefixKeyDeltaEncoder.SeekerStateBufferedEncodedSeeker |
BufferedDataBlockEncoder.BufferedEncodedSeeker<STATE extends BufferedDataBlockEncoder.SeekerState>, BufferedDataBlockEncoder.OffheapDecodedExtendedCell, BufferedDataBlockEncoder.OnheapDecodedCell, BufferedDataBlockEncoder.SeekerState
AbstractDataBlockEncoder.AbstractEncodedSeeker
DataBlockEncoder.EncodedSeeker
Constructor and Description |
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PrefixKeyDeltaEncoder() |
Modifier and Type | Method and Description |
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DataBlockEncoder.EncodedSeeker |
createSeeker(HFileBlockDecodingContext decodingCtx)
Create a HFileBlock seeker which find KeyValues within a block.
|
private int |
decodeKeyValue(DataInputStream source,
ByteBuffer buffer,
int prevKeyOffset) |
Cell |
getFirstKeyCellInBlock(ByteBuff block)
Return first key in block as a cell.
|
protected ByteBuffer |
internalDecodeKeyValues(DataInputStream source,
int allocateHeaderLength,
int skipLastBytes,
HFileBlockDefaultDecodingContext decodingCtx) |
int |
internalEncode(Cell cell,
HFileBlockDefaultEncodingContext encodingContext,
DataOutputStream out) |
String |
toString() |
private void |
writeKeyExcludingCommon(Cell cell,
int commonPrefix,
DataOutputStream out) |
afterDecodingKeyValue, afterEncodingKeyValue, compareCommonFamilyPrefix, compareCommonQualifierPrefix, compareCommonRowPrefix, decodeKeyValues, encode, endBlockEncoding, ensureSpace, startBlockEncoding
createFirstKeyCell, newDataBlockDecodingContext, newDataBlockEncodingContext, postEncoding
public PrefixKeyDeltaEncoder()
public int internalEncode(Cell cell, HFileBlockDefaultEncodingContext encodingContext, DataOutputStream out) throws IOException
internalEncode
in class BufferedDataBlockEncoder
IOException
private void writeKeyExcludingCommon(Cell cell, int commonPrefix, DataOutputStream out) throws IOException
IOException
protected ByteBuffer internalDecodeKeyValues(DataInputStream source, int allocateHeaderLength, int skipLastBytes, HFileBlockDefaultDecodingContext decodingCtx) throws IOException
internalDecodeKeyValues
in class BufferedDataBlockEncoder
IOException
private int decodeKeyValue(DataInputStream source, ByteBuffer buffer, int prevKeyOffset) throws IOException, EncoderBufferTooSmallException
public Cell getFirstKeyCellInBlock(ByteBuff block)
DataBlockEncoder
block
- encoded block we want index, the position will not changepublic DataBlockEncoder.EncodedSeeker createSeeker(HFileBlockDecodingContext decodingCtx)
DataBlockEncoder
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