org.springframework.data.redis.connection

Interface RedisConnectionCommands

All Known Subinterfaces:

DefaultedRedisClusterConnection, DefaultedRedisConnection, RedisClusterConnection, RedisCommands, RedisConnection, StringRedisConnection

All Known Implementing Classes:

AbstractRedisConnection, DefaultStringRedisConnection, JedisClusterConnection, JedisConnection, LettuceClusterConnection, LettuceConnection

public interface RedisConnectionCommands

Connection-specific commands supported by Redis.

Author:

Costin Leau, Christoph Strobl, Mark Paluch

Method Summary

Modifier and Type	Method and Description
byte[]	echo(byte[] message) Returns message via server roundtrip.
String	ping() Test connection.
void	select(int dbIndex) Select the DB with given positive dbIndex.

Method Detail

select

void select(int dbIndex)

Select the DB with given positive dbIndex.

Parameters:

dbIndex - the database index.

See Also:

Redis Documentation: SELECT

echo

@Nullable
byte[] echo(byte[] message)

Returns message via server roundtrip.

Parameters:

message - the message to echo.

Returns:

the message or null when used in pipeline / transaction.

See Also:

Redis Documentation: ECHO

ping

@Nullable
String ping()

Test connection.

Returns:

Server response message - usually PONG. null when used in pipeline / transaction.

See Also:

Redis Documentation: PING