gistfile1.java

    ...
    import javax.cache.interceptor.CacheResult;
    import javax.cache.interceptor.CachePut;
    import javax.cache.interceptor.CacheValue;
    import javax.cache.interceptor.CacheRemoveEntry;
    import javax.cache.interceptor.CacheRemoveAll;

    class MyDAO { 
        @CacheResult(cacheName = "user-cache")
        User getUser(long id) {...};
 
        @CachePut(cacheName = "user-cache")
        void storeUser(long id, @CacheValue User user) {...};
 
        @CacheRemoveEntry(cacheName = "user-cache")
        void removeUser(long id) {...};
  
        @CacheRemoveAll(cacheName = "user-cache")
        void removeAllUser() {...};
    }