com.facebook.presto.orc.checkpoint

Class InputStreamCheckpoint

java.lang.Object

com.facebook.presto.orc.checkpoint.InputStreamCheckpoint

public final class InputStreamCheckpoint
extends Object

InputStreamCheckpoint is represented as a packed long to avoid object creation in inner loops.

Method Summary

Modifier and Type	Method and Description
static long	createInputStreamCheckpoint(boolean compressed, Checkpoints.ColumnPositionsList positionsList)
static long	createInputStreamCheckpoint(int compressedBlockOffset, int decompressedOffset)
static List<Integer>	createInputStreamPositionList(boolean compressed, long inputStreamCheckpoint)
static int	decodeCompressedBlockOffset(long inputStreamCheckpoint)
static int	decodeDecompressedOffset(long inputStreamCheckpoint)
static String	inputStreamCheckpointToString(long inputStreamCheckpoint)

Methods inherited from class java.lang.Object

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

Method Detail

createInputStreamCheckpoint

public static long createInputStreamCheckpoint(boolean compressed,
                                               Checkpoints.ColumnPositionsList positionsList)

createInputStreamCheckpoint

public static long createInputStreamCheckpoint(int compressedBlockOffset,
                                               int decompressedOffset)

decodeCompressedBlockOffset

public static int decodeCompressedBlockOffset(long inputStreamCheckpoint)

decodeDecompressedOffset

public static int decodeDecompressedOffset(long inputStreamCheckpoint)

createInputStreamPositionList

public static List<Integer> createInputStreamPositionList(boolean compressed,
                                                          long inputStreamCheckpoint)

inputStreamCheckpointToString

public static String inputStreamCheckpointToString(long inputStreamCheckpoint)