Package org.apache.hadoop.io.erasurecode.rawcoder.util

Class DumpUtil

java.lang.Object

org.apache.hadoop.io.erasurecode.rawcoder.util.DumpUtil

@Private
public final class DumpUtil
extends java.lang.Object

A dump utility class for debugging data erasure coding/decoding issues. Don't suggest they are used in runtime production codes.

Method Summary

Modifier and Type	Method	Description
static java.lang.String	bytesToHex(byte[] bytes, int limit)	Convert bytes into format like 0x02 02 00 80.
static void	dumpChunk(ECChunk chunk)	Print data in hex format in a chunk.
static void	dumpChunks(java.lang.String header, ECChunk[] chunks)	Print data in hex format in an array of chunks.
static void	dumpMatrix(byte[] matrix, int numDataUnits, int numAllUnits)

Methods inherited from class java.lang.Object

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

Method Detail

bytesToHex

public static java.lang.String bytesToHex(byte[] bytes,
                                          int limit)

Convert bytes into format like 0x02 02 00 80. If limit is negative or too large, then all bytes will be converted.

Parameters:

bytes - bytes.

limit - limit.

Returns:

bytesToHex.

dumpMatrix

public static void dumpMatrix(byte[] matrix,
                              int numDataUnits,
                              int numAllUnits)

dumpChunks

public static void dumpChunks(java.lang.String header,
                              ECChunk[] chunks)

Print data in hex format in an array of chunks.

Parameters:

header - header.

chunks - chunks.

dumpChunk

public static void dumpChunk(ECChunk chunk)

Print data in hex format in a chunk.

Parameters:

chunk - chunk.