Spring Boot uses Cacheable Notes

Related documents:

Embed {% url = “docs. Spring. IO/spring/docs…” Embed %} {% url = “www.ibm.com/developerwo…” %}

Example:

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cache.annotation.EnableCaching;

@EnableCaching // Enable caching
@SpringBootApplication
public class DemoApplication {
    public static void main(String[] args) { SpringApplication.run(DemoApplication.class, args); }}Copy the code

import lombok.extern.slf4j.Slf4j;
import org.springframework.cache.annotation.CacheConfig;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;

import java.util.*;
import java.util.stream.Collectors;

@Slf4j
@Service
@CacheConfig(cacheNames = "Demo")
public class DemoService {
    / / cache
    @Cacheable(key = "'DEMO'")
    public String demoCacheable(String name) {
        log.info("demoCacheable: {}", name);
        return "Hello " + name;
    }
    / / update
    @CachePut(key = "'DEMO'")
    public String demoCachePut(String name) {
        log.info("demoCachePut: {}", name);
        return "Hello " + name;
    }
    / / remove
    @CacheEvict(key = "'DEMO'")
    public String demoCacheEvict(String name) {
        log.info("demoCacheEvict: {}", name);
        return "Hello "+ name; }}Copy the code

Note: @cacheable, @cacheput, @cacheevict are invalidated on internal calls