com.ibm.cos.v2.checksums.internal

Class SdkCrc32Checksum

java.lang.Object

com.ibm.cos.v2.checksums.internal.SdkCrc32Checksum

All Implemented Interfaces:

Cloneable, Checksum

public final class SdkCrc32Checksum
extends Object
implements Checksum, Cloneable

Method Summary

Modifier and Type	Method and Description
SdkCrc32Checksum	clone()
static long	combine(Long crcPairOne, Long crcPair, long originalLengthOfCrc32) Combines two CRC32 values into a single CRC using the specified combine matrices.
static SdkCrc32Checksum	create()
long	getValue()
void	reset()
void	update(byte[] b, int offset, int len)
void	update(int b)

Methods inherited from class java.lang.Object

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

Method Detail

create

public static SdkCrc32Checksum create()

combine

public static long combine(Long crcPairOne,
                           Long crcPair,
                           long originalLengthOfCrc32)

Combines two CRC32 values into a single CRC using the specified combine matrices. Please refer CrcCombineChecksumUtil.combine(long, long, long, long[][])

Parameters:

crcPair - A pair of CRC values to combine.

originalLengthOfCrc32 - The length of the original data.

Returns:

The combined CRC value.

getValue

public long getValue()

Specified by:

getValue in interface Checksum

reset

public void reset()

Specified by:

reset in interface Checksum

update

public void update(byte[] b,
                   int offset,
                   int len)

Specified by:

update in interface Checksum

update

public void update(int b)

Specified by:

update in interface Checksum

clone

public SdkCrc32Checksum clone()

Overrides:

clone in class Object