D>
</DL>
<HR>

<A NAME="getId()"><!-- --></A><H3>
getId</H3>
<PRE>
<A HREF="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getId</B>()</PRE>
<DL>
<DD>Returns a string uniquely identifying the data that this fetcher will fetch including the specific size.

 <p>
     A hash of the bytes of the data that will be fetched is the ideal id but since that is in many cases
     impractical, urls, file paths, and uris are normally