Caching config

Configure config on CachingConfig.java.

@Configuration
@EnableCaching
public class CachingConfig implements CachingConfigurer {

@Bean(destroyMethod = "shutdown")
public net.sf.ehcache.CacheManager ehCacheManager() {
CacheConfiguration cacheConfiguration = new CacheConfiguration();
cacheConfiguration.setName("countryListCache");
cacheConfiguration.setMemoryStoreEvictionPolicy("LRU");
cacheConfiguration.setMaxEntriesLocalHeap(1000);

net.sf.ehcache.config.Configuration config = new net.sf.ehcache.config.Configuration();
config.addCache(cacheConfiguration);

return net.sf.ehcache.CacheManager.newInstance(config);
}

@Bean
@Override
public CacheManager cacheManager() {
return new EhCacheCacheManager(ehCacheManager());
}

@Bean
@Override
public KeyGenerator keyGenerator() {
return new SimpleKeyGenerator();
}

@Bean
@Override
public CacheResolver cacheResolver() {
return new SimpleCacheResolver(cacheManager());
}

@Bean
@Override
public CacheErrorHandler errorHandler() {
return new SimpleCacheErrorHandler();
}

}