Products OR-Tools Reference C++ Reference: recordio This documentation is automatically generated. This file defines some IO interfaces to compatible with Google IO specifications. Classes RecordReader RecordWriter Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated May 29, 2018.