redis.clients.util

Class JedisClusterCRC16

java.lang.Object

redis.clients.util.JedisClusterCRC16

public class JedisClusterCRC16
extends java.lang.Object

CRC16 Implementation according to CCITT standard Polynomial : 1021 (x^16 + x^12 + x^5 + 1)

See Also:

Appendix A. CRC16 reference implementation in ANSI C

Field Summary

Fields

Modifier and Type	Field and Description
private static int[]	LOOKUP_TABLE

Constructor Summary

Constructors

Constructor and Description
JedisClusterCRC16()

Method Summary

Modifier and Type	Method and Description
static int	getCRC16(byte[] bytes) Create a CRC16 checksum from the bytes.
static int	getCRC16(java.lang.String key)
static int	getSlot(java.lang.String key)

Methods inherited from class java.lang.Object

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

Field Detail

LOOKUP_TABLE

private static final int[] LOOKUP_TABLE

Constructor Detail

JedisClusterCRC16

public JedisClusterCRC16()

Method Detail

getSlot

public static int getSlot(java.lang.String key)

getCRC16

public static int getCRC16(byte[] bytes)

Create a CRC16 checksum from the bytes. implementation is from mp911de/lettuce, modified with some more optimizations

Parameters:

bytes -

Returns:

CRC16 as integer value

See Also:

https://github.com/xetorthio/jedis/pull/733#issuecomment-55840331

getCRC16

public static int getCRC16(java.lang.String key)