handle_tracker_deleter.py
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00001 # Copyright (c) 2009, Willow Garage, Inc.
00002 # All rights reserved.
00003 #
00004 # Redistribution and use in source and binary forms, with or without
00005 # modification, are permitted provided that the following conditions are met:
00006 #
00007 #     * Redistributions of source code must retain the above copyright
00008 #       notice, this list of conditions and the following disclaimer.
00009 #     * Redistributions in binary form must reproduce the above copyright
00010 #       notice, this list of conditions and the following disclaimer in the
00011 #       documentation and/or other materials provided with the distribution.
00012 #     * Neither the name of the Willow Garage, Inc. nor the names of its
00013 #       contributors may be used to endorse or promote products derived from
00014 #       this software without specific prior written permission.
00015 #
00016 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00017 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00018 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00019 # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00020 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00021 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00022 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00023 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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00025 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00026 # POSSIBILITY OF SUCH DAMAGE.
00027 
00028 # Author: Alexander Sorokin.
00029 # Based on C++ goal_id_generator.h/cpp
00030 import rospy
00031 
00032 
00033 class HandleTrackerDeleter:
00034     """
00035     * @class HandleTrackerDeleter
00036     * @brief A class to help with tracking GoalHandles and removing goals
00037     * from the status list when the last GoalHandle associated with a given
00038     * goal is deleted.
00039     """
00040 
00041     def __init__(self, action_server, status_tracker):
00042         """
00043         @brief create deleter
00044         """
00045         self.action_server = action_server
00046         self.status_tracker = status_tracker
00047 
00048     def __call__(self, ptr):
00049         if self.action_server:
00050             with self.action_server.lock:
00051                 self.status_tracker.handle_destruction_time = rospy.Time.now()


actionlib
Author(s): Eitan Marder-Eppstein, Vijay Pradeep, Mikael Arguedas
autogenerated on Sat Feb 16 2019 03:21:28