Pure virtual interface class for the NodeParameters part of the Node API. More...

#include <rclcpp/node_interfaces/node_parameters_interface.hpp>

Inheritance diagram for rclcpp::node_interfaces::NodeParametersInterface:

Public Types
using	OnParametersSetCallbackType = OnSetParametersCallbackHandle::OnParametersSetCallbackType

Public Member Functions
virtual RCLCPP_PUBLIC const rclcpp::ParameterValue &	declare_parameter (const std::string &name, const rclcpp::ParameterValue &default_value, const rcl_interfaces::msg::ParameterDescriptor &parameter_descriptor=rcl_interfaces::msg::ParameterDescriptor(), bool ignore_override=false)=0
	Declare and initialize a parameter. More...

virtual RCLCPP_PUBLIC const rclcpp::ParameterValue &	declare_parameter (const std::string &name, rclcpp::ParameterType type, const rcl_interfaces::msg::ParameterDescriptor &parameter_descriptor=rcl_interfaces::msg::ParameterDescriptor(), bool ignore_override=false)=0
	Declare a parameter. More...

virtual RCLCPP_PUBLIC void	undeclare_parameter (const std::string &name)=0
	Undeclare a parameter. More...

virtual RCLCPP_PUBLIC bool	has_parameter (const std::string &name) const =0
	Return true if the parameter has been declared, otherwise false. More...

virtual RCLCPP_PUBLIC std::vector< rcl_interfaces::msg::SetParametersResult >	set_parameters (const std::vector< rclcpp::Parameter > &parameters)=0
	Set one or more parameters, one at a time. More...

virtual RCLCPP_PUBLIC rcl_interfaces::msg::SetParametersResult	set_parameters_atomically (const std::vector< rclcpp::Parameter > &parameters)=0
	Set one or more parameters, all at once. More...

virtual RCLCPP_PUBLIC std::vector< rclcpp::Parameter >	get_parameters (const std::vector< std::string > &names) const =0
	Get descriptions of parameters given their names.

virtual RCLCPP_PUBLIC rclcpp::Parameter	get_parameter (const std::string &name) const =0
	Get the description of one parameter given a name.

virtual RCLCPP_PUBLIC bool	get_parameter (const std::string &name, rclcpp::Parameter &parameter) const =0
	Get the description of one parameter given a name.

virtual RCLCPP_PUBLIC bool	get_parameters_by_prefix (const std::string &prefix, std::map< std::string, rclcpp::Parameter > &parameters) const =0
	Get all parameters that have the specified prefix into the parameters map.

virtual RCLCPP_PUBLIC std::vector< rcl_interfaces::msg::ParameterDescriptor >	describe_parameters (const std::vector< std::string > &names) const =0

virtual RCLCPP_PUBLIC std::vector< uint8_t >	get_parameter_types (const std::vector< std::string > &names) const =0

virtual RCLCPP_PUBLIC rcl_interfaces::msg::ListParametersResult	list_parameters (const std::vector< std::string > &prefixes, uint64_t depth) const =0

virtual RCLCPP_PUBLIC OnSetParametersCallbackHandle::SharedPtr	add_on_set_parameters_callback (OnParametersSetCallbackType callback)=0
	Add a callback for when parameters are being set. More...

virtual RCLCPP_PUBLIC void	remove_on_set_parameters_callback (const OnSetParametersCallbackHandle *const handler)=0
	Remove a callback registered with `add_on_set_parameters_callback`. More...

virtual RCLCPP_PUBLIC const std::map< std::string, rclcpp::ParameterValue > &	get_parameter_overrides () const =0
	Return the initial parameter values used by the NodeParameters to override default values.

Detailed Description

Pure virtual interface class for the NodeParameters part of the Node API.

Definition at line 49 of file node_parameters_interface.hpp.

Member Function Documentation

◆ add_on_set_parameters_callback()

virtual RCLCPP_PUBLIC OnSetParametersCallbackHandle::SharedPtr rclcpp::node_interfaces::NodeParametersInterface::add_on_set_parameters_callback ( OnParametersSetCallbackType callback )

pure virtual

Add a callback for when parameters are being set.

See also: rclcpp::Node::add_on_set_parameters_callback

Implemented in rclcpp::node_interfaces::NodeParameters.

◆ declare_parameter() [1/2]

virtual RCLCPP_PUBLIC const rclcpp::ParameterValue& rclcpp::node_interfaces::NodeParametersInterface::declare_parameter	(	const std::string &	name,
		const rclcpp::ParameterValue &	default_value,
		const rcl_interfaces::msg::ParameterDescriptor &	parameter_descriptor = `rcl_interfaces::msg::ParameterDescriptor()`,
		bool	ignore_override = `false`
	)

pure virtual

Declare and initialize a parameter.

See also: rclcpp::Node::declare_parameter

Implemented in rclcpp::node_interfaces::NodeParameters.

◆ declare_parameter() [2/2]

virtual RCLCPP_PUBLIC const rclcpp::ParameterValue& rclcpp::node_interfaces::NodeParametersInterface::declare_parameter	(	const std::string &	name,
		rclcpp::ParameterType	type,
		const rcl_interfaces::msg::ParameterDescriptor &	parameter_descriptor = `rcl_interfaces::msg::ParameterDescriptor()`,
		bool	ignore_override = `false`
	)

pure virtual

Declare a parameter.

See also: rclcpp::Node::declare_parameter

Implemented in rclcpp::node_interfaces::NodeParameters.

◆ has_parameter()

virtual RCLCPP_PUBLIC bool rclcpp::node_interfaces::NodeParametersInterface::has_parameter ( const std::string & name ) const

pure virtual

Return true if the parameter has been declared, otherwise false.

See also: rclcpp::Node::has_parameter

Implemented in rclcpp::node_interfaces::NodeParameters.

◆ remove_on_set_parameters_callback()

virtual RCLCPP_PUBLIC void rclcpp::node_interfaces::NodeParametersInterface::remove_on_set_parameters_callback ( const OnSetParametersCallbackHandle *const handler )

pure virtual

Remove a callback registered with add_on_set_parameters_callback.

See also: rclcpp::Node::remove_on_set_parameters_callback

Implemented in rclcpp::node_interfaces::NodeParameters.

◆ set_parameters()

virtual RCLCPP_PUBLIC std::vector<rcl_interfaces::msg::SetParametersResult> rclcpp::node_interfaces::NodeParametersInterface::set_parameters ( const std::vector< rclcpp::Parameter > & parameters )

pure virtual

Set one or more parameters, one at a time.

See also: rclcpp::Node::set_parameters

Implemented in rclcpp::node_interfaces::NodeParameters.

◆ set_parameters_atomically()

virtual RCLCPP_PUBLIC rcl_interfaces::msg::SetParametersResult rclcpp::node_interfaces::NodeParametersInterface::set_parameters_atomically ( const std::vector< rclcpp::Parameter > & parameters )

pure virtual

Set one or more parameters, all at once.