CacheServiceImpl.java

@Component
@Service
public class CacheServiceImpl implements CacheService {
@Override
public void addToCache(final String cacheName, final String itemId, final Object item) {
   // Do not save any null key or item
   if (!contains(itemId, "null") && item != null) {
       Ehcache cache = cacheManager.getEhcache(cacheName);
       if (cache != null) {
           Element element = new Element(itemId, item);
           cache.put(element);
       }
   }
}

@Override
public Object getFromCache(final String cacheName, final String itemId) {
   Ehcache cache = cacheManager.getEhcache(cacheName);
   Object response = null;
   if (cache != null) {
       Element element = cache.get(itemId);
       if (element != null) {
           response = element.getObjectValue();
       }
   }
   return response;
}

@Override
public <T> Option<T> getFromCache(final Class<T> expectedType, final String cacheName, final String id) {
   Object item = getFromCache(cacheName, id);
   return Option.of(item).filter(expectedType::isInstance).map(expectedType::cast);
}

@Override
public void cleanCache(final String cacheName) {
   Ehcache cache = cacheManager.getEhcache(cacheName);
   cache.removeAll();
}
}