ROS 2 rclcpp + rcl - rolling  rolling-a919a6e5
ROS 2 C++ Client Library with ROS Client Library
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rclcpp::EventHandler< EventCallbackT, ParentHandleT > Class Template Reference
Inheritance diagram for rclcpp::EventHandler< EventCallbackT, ParentHandleT >:
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Public Member Functions

template<typename InitFuncT , typename EventTypeEnum >
 EventHandler (const EventCallbackT &callback, InitFuncT init_func, ParentHandleT parent_handle, EventTypeEnum event_type)
 
std::shared_ptr< void > take_data () override
 Take data so that the callback cannot be scheduled again.
 
std::shared_ptr< void > take_data_by_entity_id ([[maybe_unused]] size_t id) override
 
void execute (const std::shared_ptr< void > &data) override
 Execute any entities of the Waitable that are ready.
 
- Public Member Functions inherited from rclcpp::EventHandlerBase
RCLCPP_PUBLIC size_t get_number_of_ready_events () override
 Get the number of ready events.
 
RCLCPP_PUBLIC void add_to_wait_set (rcl_wait_set_t &wait_set) override
 Add the Waitable to a wait set.
 
RCLCPP_PUBLIC bool is_ready (const rcl_wait_set_t &wait_set) override
 Check if the Waitable is ready.
 
void set_on_ready_callback (std::function< void(size_t, int)> callback) override
 Set a callback to be called when each new event instance occurs. More...
 
void clear_on_ready_callback () override
 Unset the callback registered for new events, if any.
 
RCLCPP_PUBLIC std::vector< std::shared_ptr< rclcpp::TimerBase > > get_timers () const override
 Returns all timers used by this waitable. More...
 
- Public Member Functions inherited from rclcpp::Waitable
virtual RCLCPP_PUBLIC size_t get_number_of_ready_subscriptions ()
 Get the number of ready subscriptions. More...
 
virtual RCLCPP_PUBLIC size_t get_number_of_ready_timers ()
 Get the number of ready timers. More...
 
virtual RCLCPP_PUBLIC size_t get_number_of_ready_clients ()
 Get the number of ready clients. More...
 
virtual RCLCPP_PUBLIC size_t get_number_of_ready_services ()
 Get the number of ready services. More...
 
virtual RCLCPP_PUBLIC size_t get_number_of_ready_guard_conditions ()
 Get the number of ready guard_conditions. More...
 
virtual RCLCPP_PUBLIC std::shared_ptr< void > take_data_by_entity_id (size_t id)=0
 Take the data so that it can be consumed with execute. More...
 
RCLCPP_PUBLIC bool exchange_in_use_by_wait_set_state (bool in_use_state)
 Exchange the "in use by wait set" state for this timer. More...
 

Additional Inherited Members

- Public Types inherited from rclcpp::EventHandlerBase
enum class  EntityType : std::size_t { Event }
 
- Protected Member Functions inherited from rclcpp::EventHandlerBase
RCLCPP_PUBLIC void set_on_new_event_callback (rcl_event_callback_t callback, const void *user_data)
 
- Protected Attributes inherited from rclcpp::EventHandlerBase
std::recursive_mutex callback_mutex_
 
std::function< void(size_t)> on_new_event_callback_ {nullptr}
 
rcl_event_t event_handle_
 
size_t wait_set_event_index_
 

Detailed Description

template<typename EventCallbackT, typename ParentHandleT>
class rclcpp::EventHandler< EventCallbackT, ParentHandleT >

Definition at line 245 of file event_handler.hpp.


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