例: クラスターモードの Lettuce 設定が無効、TLS有効

注記

次の例のタイムアウトは、最大 20 バイトのキーと値で SET/GET コマンドを実行したテスト用です。コマンドが複雑な場合や、キーと値が大きい場合は、処理時間が長くなる可能性があります。タイムアウトは、アプリケーションのユースケースに基づいて設定する必要があります。

// Set DNS cache TTL
public void setJVMProperties() {
    java.security.Security.setProperty("networkaddress.cache.ttl", "10");
}

private static final Duration META_COMMAND_TIMEOUT = Duration.ofMillis(1000);
private static final Duration DEFAULT_COMMAND_TIMEOUT = Duration.ofMillis(250);
// Socket connect timeout should be lower than command timeout for Lettuce
private static final Duration CONNECT_TIMEOUT = Duration.ofMillis(100);

// Create RedisURI from the primary/reader endpoint
clusterEndpoint = <primary/reader-endpoint> // TODO: add your node endpoint
RedisURI redisUriStandalone =
    RedisURI.Builder.redis(clusterEndpoint).withPort(6379).withSsl(true).withDatabase(0).build();

ClientResources clientResources =
    DefaultClientResources.builder()
        .dnsResolver(new DirContextDnsResolver())
        .reconnectDelay(
            Delay.fullJitter(
                Duration.ofMillis(100), // minimum 100 millisecond delay
                Duration.ofSeconds(10), // maximum 10 second delay
                100,
                TimeUnit.MILLISECONDS)) // 100 millisecond base
        .build();

// Use a dynamic timeout for commands, to avoid timeouts during
// slow operations.
class DynamicTimeout extends TimeoutSource {
     private static final Set<ProtocolKeyword> META_COMMAND_TYPES = ImmutableSet.<ProtocolKeyword>builder()
          .add(CommandType.FLUSHDB)
          .add(CommandType.FLUSHALL)
          .add(CommandType.INFO)
          .add(CommandType.KEYS)
          .build();

    private final Duration metaCommandTimeout;
    private final Duration defaultCommandTimeout;

    DynamicTimeout(Duration defaultTimeout, Duration metaTimeout)
    {
        defaultCommandTimeout = defaultTimeout;
        metaCommandTimeout = metaTimeout;
    }

    @Override
    public long getTimeout(RedisCommand<?, ?, ?> command) {
        if (META_COMMAND_TYPES.contains(command.getType())) {
            return metaCommandTimeout.toMillis();
        }
        return defaultCommandTimeout.toMillis();
    }
}

TimeoutOptions timeoutOptions = TimeoutOptions.builder()
    .timeoutSource(new DynamicTimeout(DEFAULT_COMMAND_TIMEOUT, META_COMMAND_TIMEOUT))
     .build();                      
                                    
final SocketOptions socketOptions =
    SocketOptions.builder().connectTimeout(CONNECT_TIMEOUT).keepAlive(true).build();

ClientOptions clientOptions =
    ClientOptions.builder().timeoutOptions(timeoutOptions).socketOptions(socketOptions).build();

RedisClient redisClient = RedisClient.create(clientResources, redisUriStandalone);
redisClient.setOptions(clientOptions);