rclcpp::ContentFilterOptions Struct Reference

Options to configure content filtered topic in the subscription. More...

#include <rclcpp/subscription_content_filter_options.hpp>

Public Attributes
std::string	filter_expression
	Filter expression is similar to the WHERE part of an SQL clause.
std::vector< std::string >	expression_parameters

Detailed Description

Options to configure content filtered topic in the subscription.

Definition at line 25 of file subscription_content_filter_options.hpp.

Member Data Documentation

expression_parameters

std::vector<std::string> rclcpp::ContentFilterOptions::expression_parameters

Expression parameters is the tokens placeholder ‘parameters’ (i.e., "%n" tokens begin from 0) in the filter_expression. The maximum expression_parameters size is 100.

Definition at line 33 of file subscription_content_filter_options.hpp.

Referenced by rclcpp::SubscriptionBase::get_content_filter(), and rclcpp::SubscriptionOptionsWithAllocator< Allocator >::to_rcl_subscription_options().

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The documentation for this struct was generated from the following file:

• rclcpp/include/rclcpp/subscription_content_filter_options.hpp