docs/api/java/util/concurrent/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent"><CODE>ExecutorService</CODE></A> that may have more than one background thread.

 This method will only be called when the corresponding resource is not in the cache.

 <p>
     Note - this method will be run on a background thread so blocking I/O is safe.
 </p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>priority</CODE> - The priority with which the request should be completed.
<DT><B>Th