20.1.4.2. DataReaderListener¶
-
class DataReaderListener¶
Class DataReaderListener, it should be used by the end user to implement specific callbacks to certain actions.
Subclassed by eprosima::fastdds::dds::SubscriberListener
Public Functions
-
inline DataReaderListener()¶
Constructor.
-
inline virtual ~DataReaderListener()¶
Destructor.
-
inline virtual void on_data_available(DataReader *reader)¶
Virtual function to be implemented by the user containing the actions to be performed when new Data Messages are received.
- Parameters:
reader – DataReader
-
inline virtual void on_subscription_matched(DataReader *reader, const fastdds::dds::SubscriptionMatchedStatus &info)¶
Virtual method to be called when the subscriber is matched with a new Writer (or unmatched); i.e., when a writer publishing in the same topic is discovered.
- Parameters:
reader – DataReader
info – The subscription matched status
-
inline virtual void on_requested_deadline_missed(DataReader *reader, const RequestedDeadlineMissedStatus &status)¶
Virtual method to be called when a topic misses the deadline period
- Parameters:
reader – DataReader
status – The requested deadline missed status
-
inline virtual void on_liveliness_changed(DataReader *reader, const LivelinessChangedStatus &status)¶
Method called when the liveliness status associated to a subscriber changes.
- Parameters:
reader – The DataReader
status – The liveliness changed status
-
inline virtual void on_sample_rejected(DataReader *reader, const SampleRejectedStatus &status)¶
Method called when a sample was rejected.
- Parameters:
reader – The DataReader
status – The rejected status
-
inline virtual void on_requested_incompatible_qos(DataReader *reader, const RequestedIncompatibleQosStatus &status)¶
Method called an incompatible QoS was requested.
- Parameters:
reader – The DataReader
status – The requested incompatible QoS status
-
inline virtual void on_sample_lost(DataReader *reader, const SampleLostStatus &status)¶
Method called when a sample was lost.
- Parameters:
reader – The DataReader
status – The sample lost status
-
inline DataReaderListener()¶