@Override
  public java.lang.String toString() {
    java.lang.StringBuilder sb = new java.lang.StringBuilder("Operator(");
    boolean first = true;

    sb.append("operatorId:");
    if (this.operatorId == null) {
      sb.append("null");
    } else {
      sb.append(this.operatorId);
    }
    first = false;
    if (!first) sb.append(", ");
    sb.append("operatorType:");
    if (this.operatorType == null) {
      sb.append("null");
    } else {
      sb.append(this.operatorType);
    }
    first = false;
    if (!first) sb.append(", ");
    sb.append("operatorAttributes:");
    if (this.operatorAttributes == null) {
      sb.append("null");
    } else {
      sb.append(this.operatorAttributes);
    }
    first = false;
    if (!first) sb.append(", ");
    sb.append("operatorCounters:");
    if (this.operatorCounters == null) {
      sb.append("null");
    } else {
      sb.append(this.operatorCounters);
    }
    first = false;
    if (!first) sb.append(", ");
    sb.append("done:");
    sb.append(this.done);
    first = false;
    if (!first) sb.append(", ");
    sb.append("started:");
    sb.append(this.started);
    first = false;
    sb.append(")");
    return sb.toString();
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
ql/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/ql/plan/api/Operator.java