private FileLink getFileLink(Path path, Configuration conf) throws IOException {
      String regionName = HFileLink.getReferencedRegionName(path.getName());
      TableName tableName = HFileLink.getReferencedTableName(path.getName());
      if (MobUtils.getMobRegionInfo(tableName).getEncodedName().equals(regionName)) {
        return HFileLink.buildFromHFileLinkPattern(MobUtils.getQualifiedMobRootDir(conf),
          HFileArchiveUtil.getArchivePath(conf), path);
      }
      return HFileLink.buildFromHFileLinkPattern(inputRoot, inputArchive, path);
    }
Try to open the "source" file. Throws an IOException if the communication with the inputFs
fail or if the file is not found.
hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/snapshot/ExportSnapshot.java