CacheStoreBeans.java

package com.example.demo;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.concurrent.TimeUnit;

@Configuration
public class CacheStoreBeans {

    @Bean
    public CacheStore<Book> bookCache() {
        return new CacheStore<Book>(5, TimeUnit.SECONDS);
    }
}