Using DDS XTypes in OpenDDS Projects

Using DDS XTypes in OpenDDS Projects

Dramatically expand the flexibility of your distributed applications by learning how to use the OpenDDS project's XTypes features.


The DDS XTypes specification enables new use cases with extended data modeling and schema evolution.

OpenDDS applications using XTypes can robustly handle data type differences that arise from changing requirements or from deliberate design decisions.

This 6-hour course covers the capabilities and mechanisms of XTypes and prepares students to use them in applications.

2021 Courses

Winter Workshop: Enrollment Closed

Time: 9:00 a.m. to 12:00 p.m. Central Time

Location: Online

Instructor: Adam Mitz

Registration Fee: $199.00 USD


The following topics are covered in this course:

  • IDL type system
  • IDL annotations
  • Extensibility and assignability
  • Data representation
  • Try-construct

Lab Requirements

Lab exercises are completed in a browser-based interactive development environment. Participants must have unfiltered internet access using a modern browser.

Intended Audience

Although everyone is welcome, this course is designed to help application designers and developers who are already familiar with core DDS terms and concepts (topics, publishers, subscribers) expand their skills.


To get the most out of this course, we recommend students have completed Introduction to OpenDDS Programming (either C++ or Java) or have equivalent experience with either the OpenDDS project or another DDS implementation.

This is a live, hands-on training course. No recording of this training event will be made available for on-demand consumption.

Upcoming Offerings

Classes currently being scheduled. Contact us to set up yours!

Meet the Instructor

Adam Mitz, OCI OpenDDS Team

Adam Mitz is a Partner at Object Computing and Director of Interoperability for the DDS Foundation. With more than 10 years of experience on DDS, Adam leads the OpenDDS development team and consults with OCI clients that are building distributed applications using the OpenDDS implementation. He also delivers OpenDDS training classes and participates in the maintenance of DDS specifications at the Object Management Group.

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Open Enrollment Courses

Open enrollment courses are a great, cost-effective option for organizations that have an immediate need to train a small number of employees.

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Customized Training Programs

Customized training programs can be delivered on-site, in our training lab, or online to help organizations enhance the skills of their internal development teams.

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