@Override public void removeUserFromSuperAdminRole(final UserInfo candidateUserInfo, final UserInfo assigningUserInfo) { LOGGER.debug("Removing user={} from superadmin by assigningUser={}", candidateUserInfo, assigningUserInfo); List<UserRole> allSuperAdmins = getSuperAdminRoleList(); LOGGER.debug("Current superadmins {}", allSuperAdmins); Preconditions.checkArgument(allSuperAdmins.size() > 1, "Cannot delete. SuperAdmins less than 1"); boolean isSuperAdmin = allSuperAdmins.stream().anyMatch((UserRole ur) -> ur.getRole().equals(Role.SUPERADMIN) && ur.getUserID().equals(candidateUserInfo.getUsername())); Preconditions.checkArgument(isSuperAdmin, "User %s is not a superadmin", candidateUserInfo.getUsername()); authorizationRepository.removeUserFromSuperAdminRole(candidateUserInfo); eventLog.postEvent(new AuthorizationChangeEvent(assigningUserInfo, null, candidateUserInfo, Role.SUPERADMIN.toString(), null)); }