ParameterEventDescriptorsPublisher QML Type

Publishes rcl_interfaces::msg::ParameterEventDescriptors messages — This message contains descriptors of a parameter event. More...

• List of all members, including inherited members

Properties

• changedParameters : list<parameterDescriptor>
• deletedParameters : list<parameterDescriptor>
• newParameters : list<parameterDescriptor>

Methods

• void publish(parameterEventDescriptors msg)

Detailed Description

It was an atomic update. A specific parameter name can only be in one of the three sets.

ParameterEventDescriptorsPublisher publishes parameterEventDescriptors values to a ROS 2 topic. Set the topic and node properties, then call publish() to send messages.

See also ParameterEventDescriptorsSubscriber and parameterEventDescriptors.

Property Documentation

changedParameters : list<parameterDescriptor>

The changedParameters field value included in the next publish. Setting this property emits changedParametersChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

deletedParameters : list<parameterDescriptor>

The deletedParameters field value included in the next publish. Setting this property emits deletedParametersChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

newParameters : list<parameterDescriptor>

The newParameters field value included in the next publish. Setting this property emits newParametersChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

Method Documentation

void publish(parameterEventDescriptors msg)

Publishes parameterEventDescriptors msg to the ROS 2 topic set by the topic property. Does nothing if the publisher is not connected.