code: protected Object getFromCache(String cacheName, String key) {
          try {
              ICache cache = getCache(cacheName);
              return cache != null ? cache.get(key) : null;
          } catch (CacheException e) {
              LOGGER.warn(e.getMessage(), e);
              return null;
          }
      }
docs: Gets an entry from cache.
  
  @param cacheName
  @param key
  @return