com.facebook.presto.rcfile.binary

Class BlockEncoding

java.lang.Object

com.facebook.presto.rcfile.binary.BlockEncoding

All Implemented Interfaces:

BinaryColumnEncoding, ColumnEncoding

Direct Known Subclasses:

ListEncoding, MapEncoding, StructEncoding

public abstract class BlockEncoding
extends Object
implements BinaryColumnEncoding

Constructor Summary

Constructors

Constructor and Description
BlockEncoding(Type type)

Method Summary

Modifier and Type	Method and Description
Block	decodeColumn(ColumnData columnData)
void	encodeColumn(Block block, io.airlift.slice.SliceOutput output, EncodeOutput encodeOutput)
protected abstract void	encodeValue(Block block, int position, io.airlift.slice.SliceOutput output)
void	encodeValueInto(Block block, int position, io.airlift.slice.SliceOutput output)
int	getValueLength(io.airlift.slice.Slice slice, int offset)
int	getValueOffset(io.airlift.slice.Slice slice, int offset)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.facebook.presto.rcfile.binary.BinaryColumnEncoding

decodeValueInto

Constructor Detail

BlockEncoding

public BlockEncoding(Type type)

Method Detail

encodeColumn

public final void encodeColumn(Block block,
                               io.airlift.slice.SliceOutput output,
                               EncodeOutput encodeOutput)

Specified by:

encodeColumn in interface ColumnEncoding

encodeValueInto

public final void encodeValueInto(Block block,
                                  int position,
                                  io.airlift.slice.SliceOutput output)

Specified by:

encodeValueInto in interface BinaryColumnEncoding

encodeValue

protected abstract void encodeValue(Block block,
                                    int position,
                                    io.airlift.slice.SliceOutput output)

decodeColumn

public final Block decodeColumn(ColumnData columnData)

Specified by:

decodeColumn in interface ColumnEncoding

getValueLength

public final int getValueLength(io.airlift.slice.Slice slice,
                                int offset)

Specified by:

getValueLength in interface BinaryColumnEncoding

getValueOffset

public final int getValueOffset(io.airlift.slice.Slice slice,
                                int offset)

Specified by:

getValueOffset in interface BinaryColumnEncoding