public function visit(Visitor $visitor, Generator $generator, $data)
{
$generator->startObjectElement('ContentObjectStates');
$visitor->setHeader('Content-Type', $generator->getMediaType('ContentObjectStates'));
$generator->startList('ObjectState');
foreach ($data->states as $state) {
$generator->startObjectElement('ObjectState');
$generator->startAttribute('href', $this->requestParser->generate('objectstate', array('objectstategroup' => $state->groupId, 'objectstate' => $state->objectState->id)));
$generator->endAttribute('href');
$generator->endObjectElement('ObjectState');
}
$generator->endList('ObjectState');
$generator->endObjectElement('ContentObjectStates');
}