callback_queue.cpp
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29 
32 
33 #include <ros/callback_queue.h>
34 
35 namespace nodelet
36 {
37 namespace detail
38 {
39 
41  const ros::VoidConstPtr& tracked_object)
42 : parent_(parent)
43 , tracked_object_(tracked_object)
44 , has_tracked_object_(tracked_object)
45 {
46 }
47 
49 {
50 }
51 
52 void CallbackQueue::addCallback(const ros::CallbackInterfacePtr& cb, uint64_t owner_id)
53 {
54  if (queue_.isEnabled())
55  {
56  queue_.addCallback(cb, owner_id);
57  parent_->callbackAdded(shared_from_this());
58  }
59 }
60 
61 void CallbackQueue::removeByID(uint64_t owner_id)
62 {
63  queue_.removeByID(owner_id);
64 }
65 
67 {
68  // Don't try to call the callback after its nodelet has been destroyed!
69  ros::VoidConstPtr tracker;
71  {
72  tracker = tracked_object_.lock();
73 
74  if (!tracker)
76  }
77 
78  return queue_.callOne();
79 }
80 
82 {
83  queue_.enable();
84 }
85 
87 {
88  queue_.disable();
89 }
90 
91 
92 } // namespace detail
93 } // namespace nodelet
void enable()
Enable the queue (queue is enabled by default)
virtual void addCallback(const CallbackInterfacePtr &callback, uint64_t removal_id=0)
void disable()
Disable the queue, meaning any calls to addCallback() will have no effect.
CallOneResult callOne()
CallbackQueueManager * parent_
ros::VoidConstWPtr tracked_object_
virtual void removeByID(uint64_t owner_id)
void callbackAdded(const CallbackQueuePtr &queue)
virtual void addCallback(const ros::CallbackInterfacePtr &callback, uint64_t owner_id=0)
virtual void removeByID(uint64_t removal_id)
CallbackQueue(CallbackQueueManager *parent, const ros::VoidConstPtr &tracked_object=ros::VoidConstPtr())


nodelet
Author(s): Tully Foote, Radu Bogdan Rusu
autogenerated on Sat Jul 18 2020 03:17:53