TYPO3: Using typolink in scheduler

page.ts

# In your TypoScript you should add the absolute prefix
# or URL would look like this: http://www.example.com/var/www/news/mein-artikel
config.absRefPrefix = /

scheduler_task.php

<?php

// ...

protected function initTsfe() {
    global $TYPO3_CONF_VARS;

    $id = $this->pageId;

    $rootline = t3lib_BEfunc::BEgetRootLine($id);
    $host = t3lib_BEfunc::firstDomainRecord($rootline);
    $_SERVER['HTTP_HOST'] = $host;

    $GLOBALS['TT'] = t3lib_div::makeInstance('t3lib_timeTrack');
    $GLOBALS['TT']->start();

    $GLOBALS['TSFE'] = t3lib_div::makeInstance('tslib_fe', $TYPO3_CONF_VARS, $id, 0);
    $GLOBALS['TSFE']->connectToDB();
    $GLOBALS['TSFE']->initFEuser();
    $GLOBALS['TSFE']->determineId();
    $GLOBALS['TSFE']->initTemplate();
    $GLOBALS['TSFE']->getConfigArray();
}

// ...

public function getLink($linkPid) {
    $this->initTsfe(); # Call this only once! Move to constructor!
    $cObj = t3lib_div::makeInstance('tslib_cObj');
    $cObj->typolink_URL(array('parameter' => $linkPid));
}