DataReaderQos Class Reference

Data Fields
DurabilityQosPolicy	durability
DeadlineQosPolicy	deadline
LatencyBudgetQosPolicy	latency_budget
LivelinessQosPolicy	liveliness
ReliabilityQosPolicy	reliability
DestinationOrderQosPolicy	destination_order
HistoryQosPolicy	history
ResourceLimitsQosPolicy	resource_limits
UserDataQosPolicy	user_data
OwnershipQosPolicy	ownership
TimeBasedFilterQosPolicy	time_based_filter
ReaderDataLifecycleQosPolicy	reader_data_lifecycle
DataRepresentationQosPolicy	representation
TypeConsistencyEnforcementQosPolicy	type_consistency
RpcQosPolicy	rpc
DataTagQosPolicy	data_tags
EntityNameQosPolicy	entity_name
LoggingQosPolicy	logging
RTPSReaderQosPolicy	rtps_reader

Detailed Description

Structure that holds DataReader Quality of Service policies.

See also

DataReader::set_qos()

DataReader::get_qos()

Subscriber::create_datareader()

Subscriber::set_default_datareader_qos()

Subscriber::get_default_datareader_qos()

Field Documentation

data_tags

DataTagQosPolicy data_tags

Configure security related Tags (name,value)

deadline

DeadlineQosPolicy deadline

The requested update frequency for data instances.

destination_order

DestinationOrderQosPolicy destination_order

The destination order logic requested by the DataReader.

durability

DurabilityQosPolicy durability

The durability policy requested by the DataReader.

entity_name

EntityNameQosPolicy entity_name

entity_name

history

HistoryQosPolicy history

The data history requested by the DataReader.

latency_budget

LatencyBudgetQosPolicy latency_budget

The latency requested by the DataReader.

liveliness

LivelinessQosPolicy liveliness

The liveliness mechanism requested by the DataReader.

logging

LoggingQosPolicy logging

logging

ownership

OwnershipQosPolicy ownership

The type of 'ownership' offered by the DataReader.

reader_data_lifecycle

ReaderDataLifecycleQosPolicy reader_data_lifecycle

Controls the auto-purge behavior of the DataReader.

reliability

ReliabilityQosPolicy reliability

The transport reliability requested by the DataReader.

representation

DataRepresentationQosPolicy representation

Informs DataWriter(s) of the data representation(s) supported.

resource_limits

ResourceLimitsQosPolicy resource_limits

The resource limits set on the DataReader.

rpc

RpcQosPolicy rpc

Configure RPC relevant settings: instance_name, related_entity,and topic_aliases.

rtps_reader

RTPSReaderQosPolicy rtps_reader

rtps reader configuration

time_based_filter

TimeBasedFilterQosPolicy time_based_filter

The maximum update frequency required/desired by the DataReader.

type_consistency

TypeConsistencyEnforcementQosPolicy type_consistency

Influences the algorithm that matches DataReaders and DataWriters based on their data type compatibility.

user_data

UserDataQosPolicy user_data

A sequence of octets associated with the DataReader.