com.lambdaworks.redis.codec

Class RedisCodec<K,V>

java.lang.Object

com.lambdaworks.redis.codec.RedisCodec<K,V>

Type Parameters:

K - Key type.

V - Value type.

Direct Known Subclasses:

ByteArrayCodec, Utf8StringCodec

public abstract class RedisCodec<K,V>
extends Object

A RedisCodec encodes keys and values sent to Redis, and decodes keys and values in the command output. The methods are called by multiple threads and must be thread-safe.

Author:

Will Glozer

Constructor Summary

Constructors

Constructor and Description
RedisCodec()

Method Summary

Modifier and Type	Method and Description
abstract K	decodeKey(ByteBuffer bytes) Decode the key output by redis.
abstract V	decodeValue(ByteBuffer bytes) Decode the value output by redis.
abstract byte[]	encodeKey(K key) Encode the key for output to redis.
abstract byte[]	encodeValue(V value) Encode the value for output to redis.

Methods inherited from class java.lang.Object

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

Constructor Detail

RedisCodec

public RedisCodec()

Method Detail

decodeKey

public abstract K decodeKey(ByteBuffer bytes)

Decode the key output by redis.

Parameters:

bytes - Raw bytes of the key, must not be null.

Returns:

The decoded key, may be null.

decodeValue

public abstract V decodeValue(ByteBuffer bytes)

Decode the value output by redis.

Parameters:

bytes - Raw bytes of the value, must not be null.

Returns:

The decoded value, may be null.

encodeKey

public abstract byte[] encodeKey(K key)

Encode the key for output to redis.

Parameters:

key - the key, may be null.

Returns:

The encoded key, never null.

encodeValue

public abstract byte[] encodeValue(V value)

Encode the value for output to redis.

Parameters:

value - the value, may be null.

Returns:

The encoded value, never null.