TopicQos Class Reference
[DDS Quality of Service]

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

List of all members.

Public Attributes
TopicDataQosPolicy	topic_data
DurabilityQosPolicy	durability
DurabilityServiceQosPolicy	durability_service
DeadlineQosPolicy	deadline
LatencyBudgetQosPolicy	latency_budget
LivelinessQosPolicy	liveliness
ReliabilityQosPolicy	reliability
DestinationOrderQosPolicy	destination_order
HistoryQosPolicy	history
ResourceLimitsQosPolicy	resource_limits
TransportPriorityQosPolicy	transport_priority
LifespanQosPolicy	lifespan
OwnershipQosPolicy	ownership
EntityNameQosPolicy	entity_name
LoggingQosPolicy	logging

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Detailed Description

Structure that holds DDS_Topic Quality of Service policies.

See also:

Topic::set_qos(TopicQos) set_qos()

Topic::get_qos(TopicQos) get_qos()

DomainParticipant::create_topic(java.lang.String topic_name, java.lang.String type_name, TopicQos DDS Quality of Service, TopicListener listener, long mask) create_topic()

DomainParticipant::set_default_topic_qos(TopicQos) set_default_topic_qos()

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Member Data Documentation

DeadlineQosPolicy deadline

Defines the expected update frequency for data instances within the Topic.

DestinationOrderQosPolicy destination_order

The ordering of received samples on the Topic will be either by SOURCE or RECEPTION timestamp.

DurabilityQosPolicy durability

The durability policy of the Topic.

DurabilityServiceQosPolicy durability_service

Configures the service supporting the TRANSIENT and PERSITENT durability kinds.

EntityNameQosPolicy entity_name

Controls the Entity name of the Topic

HistoryQosPolicy history

The amount of historical data maintained for the Topic.

LatencyBudgetQosPolicy latency_budget

Identifies the 'urgency' of the data on the Topic. The middleware uses this to batch data samples is possible.

LifespanQosPolicy lifespan

The 'expiration time' for old data samples on the Topic.

LivelinessQosPolicy liveliness

Identifies the mechanism used to detect and maintain livelines of DataWriters on the Topic.

LoggingQosPolicy logging

Controls the logging behavior of the Topic

OwnershipQosPolicy ownership

The type of 'ownership' expected for data instances on the Topic.

ReliabilityQosPolicy reliability

Indicates the level of transport reliability on the Topic.

ResourceLimitsQosPolicy resource_limits

The resource limitations for the Topic.

TopicDataQosPolicy topic_data

A sequence of octets associated with a Topic.

TransportPriorityQosPolicy transport_priority

The priority to be used for messages on the Topic.