Support generic Hadoop Compatible Filesystem (short version)

This is a short version of #388.
If you remove the null here you can make it final
On Oct 15, 2014 11:43 AM, "Huamin Chen" <notifications@github.com> wrote:

> In core/src/test/java/tachyon/HcfsCluster.java:
>
> > @@ -0,0 +1,36 @@
> > +package tachyon;
> > +
> > +import java.io.IOException;
> > +
> > +/**
> > + * This implements Hadoop compatible filesystem (except HDFS) cluster
> > + * to test under filesystems like glusterfs and cephfs.
> > + */
> > +public class HcfsCluster extends UnderFileSystemCluster {
> > +  private final String HCFS_URI_KEY = "uri";
> > +  private String mUri = null;
>
> mUri is re-assigned in constructor so it cannot be final here.
>
> —
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> <https://github.com/amplab/tachyon/pull/437/files#r18913530>.
>