stocks-be/src/main/java/com/danielbohry/stocks/config/CacheConfig.java

package com.danielbohry.stocks.config;

import com.github.benmanes.caffeine.cache.Caffeine;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.caffeine.CaffeineCache;
import org.springframework.cache.support.SimpleCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.List;

import static java.util.concurrent.TimeUnit.HOURS;
import static java.util.concurrent.TimeUnit.MINUTES;

@Configuration
@EnableCaching
public class CacheConfig {

    @Bean
    public CacheManager cacheManager() {
        CaffeineCache exchangeRates = new CaffeineCache("exchangeRates",
            Caffeine.newBuilder().expireAfterWrite(6, HOURS).build());

        CaffeineCache stockQuotes = new CaffeineCache("stockQuotes",
            Caffeine.newBuilder().expireAfterWrite(10, MINUTES).build());

        CaffeineCache portfolio = new CaffeineCache("portfolio",
            Caffeine.newBuilder().expireAfterWrite(10, MINUTES).build());

        SimpleCacheManager manager = new SimpleCacheManager();
        manager.setCaches(List.of(exchangeRates, stockQuotes, portfolio));
        return manager;
    }

}