@Override
  public String toString() {
    return String.format("%s (%s, %s)", this.getClass().getSimpleName(), this.op.name(),
      Bytes.toStringBinary(this.comparator.getValue()));
  }
Returns true if and only if the fields of the filter that are serialized are equal to the
corresponding fields in other. Used for testing.
hbase-client/src/main/java/org/apache/hadoop/hbase/filter/CompareFilter.java