Publication Module

Class model of the DCPS Publication Module

The Publication Module is comprised of the following classifiers:

• Publisher
• DataWriter
• Publisher Listener
• DataWriter Listener

The Publisher

The Publisher is responsible for sending the data-update message to subscribers:

• Any change in data associated to one or more DataWriters associated will be published.
• Information like timestamp, writers and QoS set are considered before publishing

Applicable QoS

Qos	Brief
GROUP_DATA	Sequence of data distributed by means of built-in topics
ENTITY_FACTORY	Auto enable/disable entities on creation
PRESENTATION	Specifies how the samples representing changes to the data instances are presented
PARTITION	Set of strings that represent the logical partition among topics

Default QoS Values

QoS	Attribute	Value
GROUP_DATA	value.length	0
ENTITY_FACTORY	autoenable_created_entities	TRUE
PRESENTATION	access_scope coherent_access ordered_access	INSTANCE FALSE FALSE
PARTITION	name.length	0

Related Listeners

The Publisher listens to DataWriter defined callbacks, if registered.