/** {@inheritDoc} */
  @Override()
  public void search(SearchOperation searchOperation)
      throws DirectoryException, CanceledOperationException {
    readerBegin();

    EntryContainer ec;
    if (rootContainer != null) {
      ec = rootContainer.getEntryContainer(searchOperation.getBaseDN());
    } else {
      Message message = ERR_ROOT_CONTAINER_NOT_INITIALIZED.get(getBackendID());
      throw new DirectoryException(DirectoryServer.getServerErrorResultCode(), message);
    }
    ec.sharedLock.lock();

    try {
      ec.search(searchOperation);
    } catch (DatabaseException e) {
      if (debugEnabled()) {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      throw createDirectoryException(e);
    } finally {
      ec.sharedLock.unlock();
      readerEnd();
    }
  }