org.springframework.boot.autoconfigure.cache.CacheProperties#Redis ( )源码实例Demo

private RedisCacheConfiguration determineConfiguration() {
	if (this.redisCacheConfiguration != null) {
		return this.redisCacheConfiguration;
	} else {
		CacheProperties.Redis redisProperties = this.cacheProperties.getRedis();
		RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
		config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer));
		if (redisProperties.getTimeToLive() != null) {
			config = config.entryTtl(redisProperties.getTimeToLive());
		}

		if (redisProperties.getKeyPrefix() != null) {
			config = config.prefixCacheNameWith(redisProperties.getKeyPrefix());
		}

		if (!redisProperties.isCacheNullValues()) {
			config = config.disableCachingNullValues();
		}

		if (!redisProperties.isUseKeyPrefix()) {
			config = config.disableKeyPrefix();
		}

		return config;
	}
}
 

private RedisCacheConfiguration determineConfiguration(ClassLoader classLoader) {
	if (this.redisCacheConfiguration != null) {
		return this.redisCacheConfiguration;
	} else {
		CacheProperties.Redis redisProperties = this.cacheProperties.getRedis();
		RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
		config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new JdkSerializationRedisSerializer(classLoader)));
		if (redisProperties.getTimeToLive() != null) {
			config = config.entryTtl(redisProperties.getTimeToLive());
		}

		if (redisProperties.getKeyPrefix() != null) {
			config = config.prefixKeysWith(redisProperties.getKeyPrefix());
		}

		if (!redisProperties.isCacheNullValues()) {
			config = config.disableCachingNullValues();
		}

		if (!redisProperties.isUseKeyPrefix()) {
			config = config.disableKeyPrefix();
		}

		return config;
	}
}
 

private org.springframework.data.redis.cache.RedisCacheConfiguration determineConfiguration(
        ClassLoader classLoader,
        CacheProperties cacheProperties
) {
    CacheProperties.Redis redisProperties = cacheProperties.getRedis();
    org.springframework.data.redis.cache.RedisCacheConfiguration config = org.springframework.data.redis.cache.RedisCacheConfiguration
            .defaultCacheConfig();
    config = config.serializeValuesWith(RedisSerializationContext.SerializationPair
            .fromSerializer(new JdkSerializationRedisSerializer(classLoader)));
    if (redisProperties.getTimeToLive() != null) {
        config = config.entryTtl(redisProperties.getTimeToLive());
    }
    if (redisProperties.getKeyPrefix() != null) {
        config = config.prefixKeysWith(redisProperties.getKeyPrefix());
    }
    if (!redisProperties.isCacheNullValues()) {
        config = config.disableCachingNullValues();
    }
    if (!redisProperties.isUseKeyPrefix()) {
        config = config.disableKeyPrefix();
    }
    return config;
}
 

private <T> RedisCacheConfiguration determineConfiguration(
        Type type) {
    CacheProperties.Redis redisProperties = this.cacheProperties.getRedis();
    RedisCacheConfiguration config = RedisCacheConfiguration
            .defaultCacheConfig();
    Jackson2JsonRedisSerializer<T> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<>(TypeFactory.defaultInstance().constructType(type));
    jackson2JsonRedisSerializer.setObjectMapper(objectMapper);
    config = config.serializeValuesWith(RedisSerializationContext.SerializationPair
            .fromSerializer(jackson2JsonRedisSerializer));
    if (redisProperties.getTimeToLive() != null) {
        config = config.entryTtl(redisProperties.getTimeToLive());
    }
    if (redisProperties.getKeyPrefix() != null) {
        config = config.prefixKeysWith(redisProperties.getKeyPrefix());
    }
    if (!redisProperties.isCacheNullValues()) {
        config = config.disableCachingNullValues();
    }
    if (!redisProperties.isUseKeyPrefix()) {
        config = config.disableKeyPrefix();
    }
    return config;
}
 

/**
 * RedisCacheConfiguration
 * 自定义配置，支持缓存使用Json文本格式
 *
 * @return {@link RedisCacheConfiguration}
 */
@Bean
public RedisCacheConfiguration redisCacheConfiguration() {

    // ObjectMapper & GenericJackson2JsonRedisSerializer
    ObjectMapper objectMapper = new ObjectMapper();
    objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
    objectMapper.configure(SerializationFeature.WRITE_DATE_KEYS_AS_TIMESTAMPS, false);
    objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
    objectMapper.configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, false);
    objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
    objectMapper.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL);
    // LocalDateTime && LocalDate
    objectMapper.registerModule(new JavaTimeModule());

    GenericJackson2JsonRedisSerializer serializer = new GenericJackson2JsonRedisSerializer(objectMapper);

    // RedisCacheConfiguration
    RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
    config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(serializer));

    CacheProperties.Redis redisProperties = cacheProperties.getRedis();
    if (redisProperties.getTimeToLive() != null) {
        config = config.entryTtl(redisProperties.getTimeToLive());
    }
    if (redisProperties.getKeyPrefix() != null) {
        config = config.prefixCacheNameWith(redisProperties.getKeyPrefix());
    }
    if (!redisProperties.isCacheNullValues()) {
        config = config.disableCachingNullValues();
    }
    if (!redisProperties.isUseKeyPrefix()) {
        config = config.disableKeyPrefix();
    }

    return config;
}