/**
@param $urn String urn of an OmekaItem
@return $item OmekaItem||null
This method obeys $dbUsage.
In case of $dbUsage getItem doesn't trigger all items to be fetched.
*/
public function getItem($urn)
{
if ($this->items === null) {
if ($this->getDbUsage()) {
return OmekaItem::getItemFromDb($urn);
} else {
$this->getItems();
}
}
if (array_key_exists($urn, $this->items)) {
return $this->items[$urn];
}
return null;
}
