code: private boolean repositoryAndWorkspaceExist( ITransaction transaction,
                                                   ResolvedRequest request ) throws RepositoryException {
          return ((JcrSessionTransaction)transaction).repositoryAndWorkspaceExist(request);
      }
docs: Determine if the repository and/or workspace named in the supplied request do exist.
  
  @param transaction the active transaction; may not be null
  @param request the resolved request; may not be null and must contain a repository name and workspace name
  @return true if the repository and/or workspace do exist, or false otherwise
  @throws RepositoryException if is a problem accessing the repository