Nav2 Navigation Stack - rolling  main
ROS 2 Navigation Stack
single_trigger_node.hpp
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2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
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14 
15 #ifndef NAV2_BEHAVIOR_TREE__PLUGINS__DECORATOR__SINGLE_TRIGGER_NODE_HPP_
16 #define NAV2_BEHAVIOR_TREE__PLUGINS__DECORATOR__SINGLE_TRIGGER_NODE_HPP_
17 
18 #include <chrono>
19 #include <string>
20 
21 #include "behaviortree_cpp/decorator_node.h"
22 
23 namespace nav2_behavior_tree
24 {
25 
32 class SingleTrigger : public BT::DecoratorNode
33 {
34 public:
41  const std::string & name,
42  const BT::NodeConfiguration & conf);
43 
48  static BT::PortsList providedPorts()
49  {
50  return {};
51  }
52 
53 private:
58  BT::NodeStatus tick() override;
59 
60  bool first_time_;
61 };
62 
63 } // namespace nav2_behavior_tree
64 
65 #endif // NAV2_BEHAVIOR_TREE__PLUGINS__DECORATOR__SINGLE_TRIGGER_NODE_HPP_
A BT::DecoratorNode that triggers its child only once and returns FAILURE for every succeeding tick (...
static BT::PortsList providedPorts()
Creates list of BT ports.
SingleTrigger(const std::string &name, const BT::NodeConfiguration &conf)
A constructor for nav2_behavior_tree::SingleTrigger.