Module lettuce.core

Package io.lettuce.core.cluster

Class SlotHash

java.lang.Object

io.lettuce.core.cluster.SlotHash

public class SlotHash
extends Object

Utility to calculate the slot from a key.

Since:

3.0

Author:

Mark Paluch

Field Summary

Fields

Modifier and Type	Field	Description
static int	SLOT_COUNT	Number of redis cluster slot hashes.
static byte	SUBKEY_END	Constant for a subkey end.
static byte	SUBKEY_START	Constant for a subkey start.

Method Summary

Modifier and Type	Method	Description
static int	getSlot(byte[] key)	Calculate the slot from the given key.
static int	getSlot(String key)	Calculate the slot from the given key.
static int	getSlot(ByteBuffer key)	Calculate the slot from the given key.

Methods inherited from class java.lang.Object

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

Field Details

SUBKEY_START

public static final byte SUBKEY_START

Constant for a subkey start.

See Also:

Constant Field Values

SUBKEY_END

public static final byte SUBKEY_END

Constant for a subkey end.

See Also:

Constant Field Values

SLOT_COUNT

public static final int SLOT_COUNT

Number of redis cluster slot hashes.

See Also:

Constant Field Values

Method Details

getSlot

public static final int getSlot(String key)

Calculate the slot from the given key.

Parameters:

key - the key

Returns:

slot

getSlot

public static int getSlot(byte[] key)

Calculate the slot from the given key.

Parameters:

key - the key

Returns:

slot

getSlot

public static int getSlot(ByteBuffer key)

Calculate the slot from the given key.

Parameters:

key - the key

Returns:

slot