org.apache.hadoop.util
Class ChecksumUtil

java.lang.Object
  extended by org.apache.hadoop.util.ChecksumUtil

public class ChecksumUtil
extends Object


Constructor Summary
ChecksumUtil()
           
 
Method Summary
static void updateChunkChecksum(byte[] buf, int checksumOff, int dataOff, int dataLen, DataChecksum checksum)
          updates the checksum for a buffer
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ChecksumUtil

public ChecksumUtil()
Method Detail

updateChunkChecksum

public static void updateChunkChecksum(byte[] buf,
                                       int checksumOff,
                                       int dataOff,
                                       int dataLen,
                                       DataChecksum checksum)
                                throws IOException
updates the checksum for a buffer

Parameters:
buf - - buffer to update the checksum in
chunkOff - - offset in the buffer where the checksum is to update
dataOff - - offset in the buffer of the data
dataLen - - length of data to compute checksum on
Throws:
IOException


Copyright © 2009 The Apache Software Foundation