Package org.apache.cassandra.io.util

Class DataIntegrityMetadata.ChecksumValidator

java.lang.Object

org.apache.cassandra.io.util.DataIntegrityMetadata.ChecksumValidator

All Implemented Interfaces:

Closeable, AutoCloseable

Enclosing class:

DataIntegrityMetadata

public static class DataIntegrityMetadata.ChecksumValidator
extends Object
implements Closeable

Field Summary

Fields

Modifier and Type	Field	Description
final int	chunkSize

Constructor Summary

Constructors

Constructor	Description
ChecksumValidator(File dataFile, File crcFile)
ChecksumValidator(ChecksumType checksumType, RandomAccessReader reader, String dataFilename)

Method Summary

Modifier and Type	Method	Description
long	chunkStart(long offset)
void	close()
void	seek(long offset)
void	validate(byte[] bytes, int start, int end)
void	validate(ByteBuffer buffer)	validates the checksum with the bytes from the specified buffer.

Methods inherited from class java.lang.Object

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

Field Details

chunkSize

public final int chunkSize

Constructor Details

ChecksumValidator

public ChecksumValidator(File dataFile,
 File crcFile)
                  throws IOException

Throws:

IOException

ChecksumValidator

public ChecksumValidator(ChecksumType checksumType,
 RandomAccessReader reader,
 String dataFilename)
                  throws IOException

Throws:

IOException

Method Details

seek

public void seek(long offset)

chunkStart

public long chunkStart(long offset)

validate

public void validate(byte[] bytes,
 int start,
 int end)
              throws IOException

Throws:

IOException

validate

public void validate(ByteBuffer buffer)
              throws IOException

validates the checksum with the bytes from the specified buffer. Upon return, the buffer's position will be updated to its limit; its limit will not have been changed.

Throws:

IOException

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable