banma_back/src/main/java/com/izouma/nineth/service/CacheService.java

package com.izouma.nineth.service;

import org.springframework.cache.annotation.CacheEvict;
import org.springframework.stereotype.Service;

@Service
public class CacheService {
    @CacheEvict(value = "collection", allEntries = true)
    public void clearCollection() {
    }

    @CacheEvict(value = "collection", key = "#id")
    public void clearCollection(Long id) {
    }

    @CacheEvict(value = "user", allEntries = true)
    public void clearUser() {
    }

    @CacheEvict(value = "user", key = "#username")
    public void clearUser(String username) {
    }
}