/**
* {@inheritodc}
*/
public function startBatchClear(FeedInterface $feed)
{
$feed->lock();
$feed->clearStates();
$batch = ['title' => $this->t('Deleting items from: %title', ['%title' => $feed->label()]), 'init_message' => $this->t('Deleting items from: %title', ['%title' => $feed->label()]), 'operations' => [[[$this, 'clear'], [$feed]]], 'progress_message' => $this->t('Deleting items from: %title', ['%title' => $feed->label()]), 'error_message' => $this->t('An error occored while clearing %title.', ['%title' => $feed->label()])];
batch_set($batch);
}
public function postExpire(FeedInterface $feed)
{
$state = $feed->getState(StateInterface::EXPIRE);
if ($state->total) {
drupal_set_message(t('Expired @count items.', ['@count' => $state->total]));
}
$feed->clearStates();
$feed->save();
$feed->unlock();
}
/**
* {@inheritodc}
*/
public function startBatchImport(FeedInterface $feed)
{
try {
$feed->lock();
} catch (LockException $e) {
drupal_set_message(t('The feed became locked before the import could begin.'), 'warning');
return;
}
$feed->clearStates();
$this->startBatchFetch($feed);
}
