PubIdPlugin::getPubObjects PHP Method

    function getPubObjects($pubObjectType, $contextId)
    {
        $objectsToCheck = null;
        switch ($pubObjectType) {
            case 'Issue':
                $issueDao = DAORegistry::getDAO('IssueDAO');
                /* @var $issueDao IssueDAO */
                $issues = $issueDao->getIssues($contextId);
                $objectsToCheck = $issues->toArray();
                break;
            default:
                $objectsToCheck = parent::getPubObjects($pubObjectType, $contextId);
                break;
        }
        return $objectsToCheck;
    }