code: protected void updateResource(I_CmsIndexWriter indexWriter, String rootPath, I_CmsSearchDocument doc) {
  
          try {
              indexWriter.updateDocument(rootPath, doc);
          } catch (Exception e) {
              if (LOG.isWarnEnabled()) {
                  LOG.warn(
                      Messages.get().getBundle().key(
                          Messages.LOG_IO_INDEX_DOCUMENT_UPDATE_2,
                          rootPath,
                          m_index.getName()),
                      e);
              }
          }
      }
docs: Updates a resource with the given index writer and the new document provided.<p>
  
  @param indexWriter the index writer to update the resource with
  @param rootPath the root path of the resource to update
  @param doc the new document for the resource