False iff the requested job is not available
   and True otherwise. (Note that a job without providers is removed;
   when the function returns True, the job, thus, 
   was applied at least once.
</p></div></div><div class="top"><p class="src"><a name="v:getProvider" class="def">getProvider</a> :: <a href="Network-Mom-Stompl-Patterns-Basic.html#t:Registry">Registry</a> -&gt; <a href="Network-Mom-Stompl-Patterns-Basic.html#t:JobName">JobName</a> -&gt; Int -&gt; IO [<a href="Network-Mom-Stompl-Patterns-Basic.