/**
* {@inheritdoc}
*/
public function contains(Currency $currency)
{
$item = $this->pool->getItem('currency|availability|' . $currency->getCode());
if (false === $item->isHit()) {
$item->set($this->currencies->contains($currency));
if ($item instanceof TaggableItemInterface) {
$item->addTag('currency.availability');
}
$this->pool->save($item);
}
return $item->get();
}
