/**
* Currently, this method simply overwrites an existing fragment !!!
* WARNING: this influences all mashups having integrated this fragment
* Possible solution: create a new copy of the fragment, however fragment URIs are currently provided by the loomp client
* therefore some modification in the loomp architecture are required
*
* @param Fragment $fragment Fragment Object
*/
private function _saveFragment($fragment)
{
$this->_removeFragment($fragment);
$fragmentRes = new Resource($fragment->getUri());
$this->rdfModel->add(new Statement($fragmentRes, RDF::TYPE(), LOOMP::FRAGMENT()));
$this->rdfModel->add(new Statement($fragmentRes, DC::CREATOR(), new Resource($fragment->getCreatorId())));
$this->rdfModel->add(new Statement($fragmentRes, DC::TITLE(), new Literal($fragment->getTitle())));
$this->rdfModel->add(new Statement($fragmentRes, DC::CREATED(), new Literal($fragment->getCreateDate())));
$this->rdfModel->add(new Statement($fragmentRes, DC::MODIFIED(), new Literal($fragment->getModifyDate())));
$this->rdfModel->add(new Statement($fragmentRes, LOOMP::RDFA(), new Literal($fragment->getSaveContent())));
$this->rdfModel->add(new Statement($fragmentRes, LOOMP::TYPE(), new Literal($fragment->getType())));
$this->_saveResFromRDFa($fragmentRes, '<html xmlns="http://www.w3.org/1999/xhtml"><body about="' . $fragment->getURI() . '">' . $fragment->getSaveContent() . '</body></html>');
}
