緩存查詢結果的ArrayList

Question

我在春天的數據，如查詢結果：

public interface user extends extends CrudRepository<UserRegistration, Long> { 
@Query(value="select ur from UserRegistration ur where " 
     + " ur.location.id IN ?1 AND" 
     + " ur.event.id IN ?2") 
     public List<UserRegistration> getUsersBylocationAndEvent(long[] locationList, long[] eventList); 
} 

並使用服務實現此方法，因爲

public class userServiceImpl implements userService{ 
@Autowired 
UserRegistrationRepository userRegistrationRepository; 

@Override 
public List<UserRegistration> getUserRegistarationByEventAndLocation(long[] locationList, long[] eventList, int checkInFlag, Date checkInDate, int checkOutFlag, Date checkOutDate) { 
    List<UserRegistration> userRegistrationList = userRegistrationRepository.getUserRegByLocationIdsAndEvenIds(locationList, eventList); 

    return userRegistrationList; 
}} 

而且我用這個方法「getUserRegistarationByEventAndLocation （）「在多個web服務中，所以我想緩存第一個webservice在列表中調用時的結果，並且可以在其他webService中使用此列表。

Answer 1

我們可以使用@Cacheable註釋。這可能有幫助

@Cacheable(value="UserRegistration") 
    List<UserRegistration> getUserRegByLocationIdsAndEvenIds(locationList, eventList); 
    { 

    }