com.ibm.cos.v2.checksums.internal

Class BaseCrcChecksum

java.lang.Object

com.ibm.cos.v2.checksums.internal.BaseCrcChecksum

All Implemented Interfaces:

SdkChecksum, Checksum

Direct Known Subclasses:

CrcCloneOnMarkChecksum

public abstract class BaseCrcChecksum
extends Object
implements SdkChecksum

Base class for CRC related checksums

Constructor Summary

Constructors

Constructor and Description
BaseCrcChecksum(Checksum checksum)

Method Summary

Modifier and Type	Method and Description
Checksum	getChecksum()
long	getValue()
void	mark(int readLimit) Allows marking a checksum for checksums that support the ability to mark and reset.
void	reset()
void	update(byte[] b, int off, int len)
void	update(int b)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.ibm.cos.v2.checksums.SdkChecksum

forAlgorithm, getChecksumBytes, update, update

Constructor Detail

BaseCrcChecksum

public BaseCrcChecksum(Checksum checksum)

Method Detail

getChecksum

public Checksum getChecksum()

mark

public void mark(int readLimit)

Description copied from interface: SdkChecksum

Allows marking a checksum for checksums that support the ability to mark and reset.

Specified by:

mark in interface SdkChecksum

Parameters:

readLimit - the maximum limit of bytes that can be read before the mark position becomes invalid.

update

public void update(int b)

Specified by:

update in interface Checksum

update

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

Specified by:

update in interface Checksum

getValue

public long getValue()

Specified by:

getValue in interface Checksum

reset

public void reset()

Specified by:

reset in interface Checksum