DDS::LocatorFilter_t Class Reference

The QoS policy used to report the configuration of a MultiChannel DataWriter as part of DDS::PublicationBuiltinTopicData. More...

#include <managed_infrastructure.h>

Public Attributes
LocatorSeq ^	locators
	Sequence containing from one to 16 DDS::Locator_t, used to specify the multicast address locators of an individual channel within a MultiChannel DataWriter. More...
System::String ^	filter_expression
	A logical expression used to determine the data that will be published in the channel. More...

Detailed Description

The QoS policy used to report the configuration of a MultiChannel DataWriter as part of DDS::PublicationBuiltinTopicData.

Entity:

DDS::PublicationBuiltinTopicData

Properties:

RxO = N/A
Changeable = NO
Specifies the configuration of an individual channel within a MultiChannel DataWriter.

QoS:

DDS::LocatorFilterQosPolicy

Member Data Documentation

locators

LocatorSeq ^ DDS::LocatorFilter_t::locators

Sequence containing from one to 16 DDS::Locator_t, used to specify the multicast address locators of an individual channel within a MultiChannel DataWriter.

[default] Empty sequence.

filter_expression

System::String ^ DDS::LocatorFilter_t::filter_expression

A logical expression used to determine the data that will be published in the channel.

If the expression evaluates to TRUE, a sample will be published on the channel.

An empty string always evaluates the expression to TRUE.

A NULL value is not allowed.

The syntax of the expression will depend on the value of DDS::LocatorFilterQosPolicy::filter_name

See also

Queries and Filters Syntax

[default] NULL (invalid value)