DDS::DataReaderQos Class Reference

Structure that holds DataReader Quality of Service policies. More...

Public Attributes
DurabilityQosPolicy	durability
	The durability policy requested by the DataReader.
DeadlineQosPolicy	deadline
	The requested update frequency for data instances.
LatencyBudgetQosPolicy	latency_budget
	The latency requested by the DataReader.
LivelinessQosPolicy	liveliness
	The liveliness mechanism requested by the DataReader.
ReliabilityQosPolicy	reliability
	The transport reliability requested by the DataReader.
DestinationOrderQosPolicy	destination_order
	The destination order logic requested by the DataReader.
HistoryQosPolicy	history
	The data history requested by the DataReader.
ResourceLimitsQosPolicy	resource_limits
	The resource limits set on the DataReader.
UserDataQosPolicy	user_data
	A sequence of octets associated with the DataReader.
OwnershipQosPolicy	ownership
	The type of 'ownership' offered by the DataReader.
TimeBasedFilterQosPolicy	time_based_filter
	The maximum update frequency required/desired by the DataReader.
ReaderDataLifecycleQosPolicy	reader_data_lifecycle
	Controls the auto-purge behavior of the DataReader.
DataRepresentationQosPolicy	representation
	Informs DataWriter(s) of the data representation(s) supported by this Reader. This must be consistent with the TypeSupport associated with the Reader's Topic.
TypeConsistencyEnforcementQosPolicy	type_consistency
	Influences the algorithm that matches DataReaders and DataWriters based on their data type compatibility.
RpcQosPolicy	rpc
	Configure RPC relevant settings: instance_name, related_entity, and topic_aliases.
EntityNameQosPolicy	entity_name
	Controls the Entity name of the DataReader.
LoggingQosPolicy	logging
	Controls the logging behavior of the DataReader.
RTPSReaderQosPolicy	rtps_reader
	Controls aspects of the RTPS Reader protocol for the DataReader.

Detailed Description

Structure that holds DataReader Quality of Service policies.

See also

DataReader::set_qos(DataReaderQos) set_qos()

DataReader::get_qos(DataReaderQos) get_qos()

Subscriber::create_datareader(TopicDescription topic, DataReaderQos qos, DataReaderListener listener, long mask) create_datareader()

Subscriber::set_default_datareader_qos(DataReaderQos) set_default_datareader_qos()

Subscriber::get_default_datareader_qos(DataReaderQos) get_default_datareader_qos()