+ /**
+ * Get the number of acquired jobs that can no longer be attempted.
+ * Queue classes should use caching if they are any slower without memcached.
+ *
+ * If caching is used, this number might be out of date for a minute.
+ *
+ * @return integer
+ * @throws MWException
+ */
+ final public function getAbandonedCount() {
+ wfProfileIn( __METHOD__ );
+ $res = $this->doGetAbandonedCount();
+ wfProfileOut( __METHOD__ );
+ return $res;
+ }
+
+ /**
+ * @see JobQueue::getAbandonedCount()
+ * @return integer
+ */
+ protected function doGetAbandonedCount() {
+ return 0; // not implemented
+ }
+