private String getSavedBinding(final VirtualFile formFile) {
    if (myCache != null) {
      try {
        final String formUrl = formFile.getUrl();
        final MyState state = myCache.getState(formUrl);
        if (state != null) {
          if (formFile.getTimeStamp() == state.getFormTimeStamp()) {
            return state.getClassName();
          }
        }
      }
      catch (IOException e) {
        myCache.wipe();
      }
    }
    return null;
  }
private String getSavedBinding(final VirtualFile formFile)