Class Crc32

java.lang.Object

org.agrona.checksum.Crc32

All Implemented Interfaces:

Checksum

public final class Crc32
extends Object
implements Checksum

Implementation of the Checksum interface that computes CRC-32 checksum.

Field Summary

Fields

Modifier and Type	Field	Description
static final Crc32	INSTANCE	Singleton instance to compute CRC-32 checksum.
private static final MethodHandle	UPDATE_BYTE_BUFFER

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Crc32()

Method Summary

Modifier and Type	Method	Description
int	compute(long address, int offset, int length)	Computes a checksum based on the contents of a java.nio.DirectByteBuffer.

Methods inherited from class Object

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

Field Details

INSTANCE

public static final Crc32 INSTANCE

Singleton instance to compute CRC-32 checksum.

UPDATE_BYTE_BUFFER

private static final MethodHandle UPDATE_BYTE_BUFFER

Constructor Details

Crc32

private Crc32()

Method Details

compute

public int compute(long address,
 int offset,
 int length)

Computes a checksum based on the contents of a java.nio.DirectByteBuffer.

Specified by:

compute in interface Checksum

Parameters:

address - of the buffer.

offset - within the buffer to begin at.

length - of the data to read.

Returns:

computed checksum value.