public void bulkEnableDisableUsers(List<String> userNames, boolean shouldEnable, BulkUpdateUsersOperationResult result) { synchronized (enableUserMutex) { boolean isValid = performUserUpdateValidation(userNames, result); if (isValid) { if (shouldEnable) { enable(userNames, result); } else { disable(userNames, result); } if (result.isSuccessful()) { String enabledOrDisabled = shouldEnable ? "enabled" : "disabled"; result.setMessage(String.format("Users '%s' were %s successfully.", join(userNames, ", "), enabledOrDisabled)); } } } }