code: private boolean hasImportFile(String resourcepath) {
  
          Long value = m_importFileUpdateCache.get(resourcepath);
          if (value == null) {
              return false;
          }
          long age = System.currentTimeMillis() - value.longValue();
          return age < 5000;
      }
docs: Checks if the the import file is available.<p>
  
  @param resourcepath the resource path
  
  @return true if the import file is available