Controller

Controller.kt

@RestController
@RequestMapping(value = ["/controller"])
class Controller {
    @Autowired lateinit var cache: Cache

    @GetMapping(path = ["{key}"])
    fun getStuff(@PathVariable("key") key: String) = cache.getUUID(key)
}

@CacheConfig(cacheNames = ["map"])
@Service
class Cache {
    @Cacheable(value = ["map"], key = "#key")
    fun getUUID(key: String): UUID? = UUID.randomUUID().also { println("Generated $it") }
}