com.sleepycat.je.log

Class ChecksumValidator

java.lang.Object

com.sleepycat.je.log.ChecksumValidator

 class ChecksumValidator
extends java.lang.Object

Checksum validator is used to check checksums on log entries.

Constructor Summary

Constructors

Constructor and Description
ChecksumValidator()

Method Summary

Methods

Modifier and Type	Method and Description
(package private) void	reset()
(package private) void	update(EnvironmentImpl env, java.nio.ByteBuffer buf, int length, boolean anticipateChecksumErrors) Add this byte buffer to the checksum.
(package private) void	validate(EnvironmentImpl env, long expectedChecksum, long lsn)
(package private) void	validate(EnvironmentImpl env, long expectedChecksum, long fileNum, long fileOffset, boolean anticipateChecksumErrors)

Methods inherited from class java.lang.Object

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

Constructor Detail

ChecksumValidator

ChecksumValidator()

Method Detail

reset

void reset()

update

void update(EnvironmentImpl env,
          java.nio.ByteBuffer buf,
          int length,
          boolean anticipateChecksumErrors)
      throws DbChecksumException

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:

DbChecksumException

validate

void validate(EnvironmentImpl env,
            long expectedChecksum,
            long lsn)
        throws DbChecksumException

Throws:

DbChecksumException

validate

void validate(EnvironmentImpl env,
            long expectedChecksum,
            long fileNum,
            long fileOffset,
            boolean anticipateChecksumErrors)
        throws DbChecksumException

Throws:

DbChecksumException