private void setMockHStoreFileVals(long length, boolean isRef, long ageInDisk, long sequenceid,
    boolean isMajor, HBaseTestingUtil testUtil) throws UnknownHostException {
    this.length = length;
    this.isRef = isRef;
    this.ageInDisk = ageInDisk;
    this.sequenceid = sequenceid;
    this.isMajor = false;
    hdfsBlocksDistribution = new HDFSBlocksDistribution();
    hdfsBlocksDistribution.addHostsAndBlockWeight(
      new String[] { DNS.getHostname(testUtil.getConfiguration(), DNS.ServerType.REGIONSERVER) },
      1);
    modificationTime = EnvironmentEdgeManager.currentTime();
  }
A mock used so our tests don't deal with actual StoreFiles
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/MockHStoreFile.java