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How to get Redis Hash Configuration such as Time To Live from application.properties at Spring Boot?

I use

    @Value("${cache.host}")
    private String redisHost;

    @Value("${cache.port}")
    private int redisPort;

I want to get timeToLive in @RedishHash from application properties. How can get this config?

@RedisHash(value = "UserModel", timeToLive = 5)

I give manually above however I want to give from application.properties

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2

Answers


  1. 0

    i’m not sure if you can do that from application.properties, but u can do it by configuring a RedisCacheManager bean with java based configuration like below :

    @Bean
public RedisCacheManager RedisCacheManager(RedisConnectionFactory redisConnectionFactory) {
    Map<String, RedisCacheConfiguration> cacheConfig = new HashMap<String, RedisCacheConfiguration>();
    cacheConfig.put("UserModel", RedisCacheConfiguration.defaultCacheConfig()
            .entryTtl(Duration.ofHours(5)));
    RedisCacheManager rdisCacheManager = new RedisCacheManager(
            RedisCacheWriter.lockingRedisCacheWriter(redisConnectionFactory),
            RedisCacheConfiguration.defaultCacheConfig(), cacheConfig);
    return rdisCacheManager;
}

    PS : this method should be in a class with @Configuration annotation

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  2. 0

    You can create a @Component where you are going to take the values from properties

    @Component
public class RedisHashCustom {
    private static String redisHashValue;

    public static String getRedisHashVaue() {
        return redisHashValue;
    }

    @Value("${application.redis.redishash.value}")
    public void setRedisHashValue(String newRedisHashValue) {
        redisHashValue= newRedisHashValue;
    }
}

    Then you need to reference as

    @RedisHash(value = "#{T(com.redis.model.RedisHashCustom).getRedisHashValue() }")
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