com.sleepycat.je.log

Class ChecksumValidator

java.lang.Object

com.sleepycat.je.log.ChecksumValidator

public class ChecksumValidator
extends Object

Checksum validator is used to check checksums on log entries.

Constructor Summary

Constructors

Constructor and Description
ChecksumValidator(EnvironmentImpl envImpl)

Method Summary

Modifier and Type	Method and Description
void	reset()
void	update(byte[] buf, int offset, int length)
void	update(ByteBuffer buf, int length) Add this byte buffer to the checksum.
void	validate(long expectedChecksum, long fileNum, long fileOffset)

Methods inherited from class java.lang.Object

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

Constructor Detail

ChecksumValidator

public ChecksumValidator(EnvironmentImpl envImpl)

Method Detail

reset

public void reset()

update

public void update(ByteBuffer buf,
                   int length)
            throws ChecksumException

Add this byte buffer to the checksum. Assume the byte buffer is already positioned at the data.

Parameters:

buf - target buffer

length - of data

Throws:

ChecksumException

update

public void update(byte[] buf,
                   int offset,
                   int length)

validate

public void validate(long expectedChecksum,
                     long fileNum,
                     long fileOffset)
              throws ChecksumException

Throws:

ChecksumException