@Override
  public boolean equals(Object anObject) {
    if (this == anObject) {
      return true;
    }
    if (anObject instanceof MobFileName) {
      MobFileName another = (MobFileName) anObject;
      return this.getFileName().equals(another.getFileName());
    }
    return false;
  }
Gets the date string. Its format is yyyymmdd.
@return The date string.
hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobFileName.java