public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value) {
    switch (field) {
    case MIN_STAMP:
      if (value == null) {
        unsetMinStamp();
      } else {
        setMinStamp((java.lang.Long)value);
      }
      break;

    case MAX_STAMP:
      if (value == null) {
        unsetMaxStamp();
      } else {
        setMaxStamp((java.lang.Long)value);
      }
      break;

    }
  }
Returns true if field maxStamp is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/TTimeRange.java