Method MultiGet

pkg/cache/redis.go:135–171

MultiGet get multiple values

(ctx context.Context, keys []string, value interface{})

// MultiGet get multiple values
func (c *redisCache) MultiGet(ctx context.Context, keys []string, value interface{}) error {
	if len(keys) == 0 {
		return nil
	}
	cacheKeys := make([]string, len(keys))
	for index, key := range keys {
		cacheKey, err := BuildCacheKey(c.KeyPrefix, key)
		if err != nil {
			return fmt.Errorf("BuildCacheKey error: %v, key=%s", err, key)
		}
		cacheKeys[index] = cacheKey
	}
	values, err := c.client.MGet(ctx, cacheKeys...).Result()
	if err != nil {
		return fmt.Errorf("c.client.MGet error: %v, keys=%+v", err, cacheKeys)
	}

	// Injection into map via reflection
	valueMap := reflect.ValueOf(value)
	for i, v := range values {
		if v == nil {
			continue
		}
		dataBytes := []byte(v.(string))
		if len(dataBytes) == 0 || bytes.Equal(dataBytes, NotFoundPlaceholderBytes) {
			continue
		}
		object := c.newObject()
		err = encoding.Unmarshal(c.encoding, dataBytes, object)
		if err != nil {
			fmt.Printf("unmarshal data error: %+v, cacheKey=%s valueType=%T\n", err, cacheKeys[i], value)
			continue
		}
		valueMap.SetMapIndex(reflect.ValueOf(cacheKeys[i]), reflect.ValueOf(object))
	}
	return nil
}

// Del delete multiple values
func (c *redisCache) Del(ctx context.Context, keys ...string) error {