org.apache.hadoop.hdfs.server.datanode

Class ChunkChecksum

java.lang.Object

org.apache.hadoop.hdfs.server.datanode.ChunkChecksum

public class ChunkChecksum
extends Object

holder class that holds checksum bytes and the length in a block at which the checksum bytes end ex: length = 1023 and checksum is 4 bytes which is for 512 bytes, then the checksum applies for the last chunk, or bytes 512 - 1023

Constructor Summary

Constructors

Constructor and Description
ChunkChecksum(long dataLength, byte[] checksum)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	getChecksum()
long	getDataLength()

Methods inherited from class java.lang.Object

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

Constructor Detail

ChunkChecksum

public ChunkChecksum(long dataLength,
             byte[] checksum)

Method Detail

getDataLength

public long getDataLength()

getChecksum

public byte[] getChecksum()