import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.concurrent.ConcurrentMapCache;
import org.springframework.cache.support.SimpleCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;

@Configuration
@EnableCaching
public class CachingConfiguration {

    @Bean
    public CacheManager createCacheManager() {
       //We return a simple concurrent hashMap to be used as a cache
       //Spring supports more sophisticated cache managers such as encache, redis, mongodb, etc.

       //We return a dynamic ConcurrentMapCacheManager, lazily creating cache instances as they are being requested.
       return new ConcurrentMapCacheManager();
    }
}