public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value) {
    switch (field) {
    case FIELD0:
      if (value == null) {
        unsetField0();
      } else {
        setField0((java.lang.Integer)value);
      }
      break;

    }
  }
Returns true if field field0 is set (has been assigned a value) and false otherwise
serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/test/InnerStruct.java