Allows the application to attach arbitrary information to a DomainParticipant, DataWriter or DataReader. More...

Detailed Description

Allows the application to attach arbitrary information to a DomainParticipant, DataWriter or DataReader.

The value of the USER_DATA is propagated and made available to applications through the built-in topics.

The user data is implemented as a vector of Bytes, and can be used to store any application defined data.

This QoS can be used by an application in combination with the listeners to implement conditional matching policies.