from interface: <CODE><A HREF="../../../../../com/bumptech/glide/load/data/DataFetcher.html#loadData(com.bumptech.glide.Priority)">DataFetcher</A></CODE></B></DD>
<DD>Asynchronously fetch data from which a resource can be decoded. This will always be called on
 background thread so it is safe to perform long running tasks here. Any third party libraries called
 must be thread safe since this method will be called from a thread in a
 <A HREF="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/Exec