public:
- /** \brief Insert the given fetch request into this queue. */
- void Enqueue(ItemDesc &Item);
+ /** \brief Insert the given fetch request into this queue.
+ *
+ * \return \b true if the queuing was successful. May return
+ * \b false if the Item is already in the queue
+ */
+ bool Enqueue(ItemDesc &Item);
/** \brief Remove all fetch requests for the given item from this queue.
*