com.facebook.presto.orc.stream

Class LongDecode

java.lang.Object

com.facebook.presto.orc.stream.LongDecode

public final class LongDecode
extends Object

Method Summary

Modifier and Type	Method and Description
static int	decodeBitWidth(int n) Decodes the ordinal fixed bit value to actual fixed bit width value.
static int	getClosestFixedBits(int width) Gets the closest supported fixed bit width for the specified bit width.
static long	readDwrfLong(OrcInputStream input, OrcType.OrcTypeKind type, boolean signed, boolean usesVInt)
static long	readSignedVInt(OrcInputStream inputStream)
static long	readVInt(boolean signed, OrcInputStream inputStream)
static void	writeVLong(io.airlift.slice.SliceOutput buffer, long value, boolean signed)
static long	zigzagDecode(long value)

Methods inherited from class java.lang.Object

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

Method Detail

decodeBitWidth

public static int decodeBitWidth(int n)

Decodes the ordinal fixed bit value to actual fixed bit width value.

getClosestFixedBits

public static int getClosestFixedBits(int width)

Gets the closest supported fixed bit width for the specified bit width.

readSignedVInt

public static long readSignedVInt(OrcInputStream inputStream)
                           throws IOException

Throws:

IOException

readVInt

public static long readVInt(boolean signed,
                            OrcInputStream inputStream)
                     throws IOException

Throws:

IOException

zigzagDecode

public static long zigzagDecode(long value)

readDwrfLong

public static long readDwrfLong(OrcInputStream input,
                                OrcType.OrcTypeKind type,
                                boolean signed,
                                boolean usesVInt)
                         throws IOException

Throws:

IOException

writeVLong

public static void writeVLong(io.airlift.slice.SliceOutput buffer,
                              long value,
                              boolean signed)