@Override
  public String toString() {
    return "hri=" + this.hri.getEncodedName() + ", source="
      + (this.source == null ? "" : this.source.toString()) + ", destination="
      + (this.dest == null ? "" : this.dest.toString());
  }
Compare the region info.
@param other region plan you are comparing against
hbase-balancer/src/main/java/org/apache/hadoop/hbase/master/RegionPlan.java