code: public static SystemConfiguration get(final long _id)
          throws CacheReloadException
      {
          final Cache<Long, SystemConfiguration> cache = InfinispanCache.get().<Long, SystemConfiguration>getCache(
                          SystemConfiguration.IDCACHE);
          if (!cache.containsKey(_id)) {
              SystemConfiguration.getSystemConfigurationFromDB(SystemConfiguration.SQL_ID, _id);
          }
          return cache.get(_id);
      }
docs: Returns for given parameter <i>_id</i> the instance of class
  {@link SystemConfiguration}.
  
  @param _id id of the system configuration
  @return instance of class {@link SystemConfiguration}
  @throws CacheReloadException on error