Variable dds::core::null

• Defined in File types.hpp

Variable Documentation

const null_type OMG_DDS_API dds::core::null

This is the DDS Null-Reference.

A dds reference object that doesn’t reference to anything can be compared with this object.

dds::domain::DomainParticipant participant = dds::core::null;
...
if (participant == dds::core::null) {
    // The participant is not yet properly created.
    // Using it now will trigger the dds::core::NullReferenceError exception.
}