LettuceClientAdapter

Adapter for Lettuce Redis client.

This adapter supports multiple Redis deployment modes through different client types:

• RedisClient - Standalone and Sentinel modes

• RedisClusterClient - Cluster mode

The adapter internally manages a shared connection and commands instance for efficient connection usage.

This implementation uses direct conditional checks to handle Lettuce's separate command APIs for standalone/sentinel and cluster modes. This is the simplest approach given Lettuce's lack of a unified API across deployment modes.

Usage Examples:

Standalone Mode:

`// Create standalone RedisClient
RedisClient redisClient = RedisClient.create("redis://localhost:6379");

// Use with RedisSession
Session session = RedisSession.builder()
.lettuceClient(redisClient)
.build();
`

Cluster Mode:

`// Create cluster client
RedisClusterClient clusterClient = RedisClusterClient.create("redis://localhost:7000");

// Use with RedisSession
Session session = RedisSession.builder()
.lettuceClusterClient(clusterClient)
.build();
`

Sentinel Mode:

`// Create Lettuce RedisClient for sentinel
RedisURI sentinelUri = RedisURI.builder()
.withSentinelMasterId("mymaster")
.withSentinel("localhost", 26379)
.withSentinel("localhost", 26380)
.withSentinel("localhost", 26381)
.withDatabase(0)
.build();
RedisClient redisClient = RedisClient.create(sentinelUri);

// Use with RedisSession
Session session = RedisSession.builder()
.lettuceClient(redisClient)
.build();
`