class FileConnection implements ObjectStoreConnection {

    @Override
    public boolean updateRoleModTimestamp(String domainName, String roleName) {

        DomainStruct domainStruct = getDomainStruct(domainName);
        if (domainStruct == null) {
            throw ZMSUtils.error(ResourceException.NOT_FOUND, "domain not found", "updateRoleModTimestamp");
        }
        Role role = getRoleObject(domainStruct, roleName);
        role.setModified(Timestamp.fromCurrentTime());
        putDomainStruct(domainName, domainStruct);
        return true;
    }

    public  FileConnection(File rootDir, File quotaDir);

}