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PullEventReceivingStrategy.h
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1 /* ============================================================
2  *
3  * This file is part of the RSB project
4  *
5  * Copyright (C) 2011, 2012 Jan Moringen <jmoringe@techfak.uni-bielefeld.de>
6  *
7  * This file may be licensed under the terms of the
8  * GNU Lesser General Public License Version 3 (the ``LGPL''),
9  * or (at your option) any later version.
10  *
11  * Software distributed under the License is distributed
12  * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
13  * express or implied. See the LGPL for the specific language
14  * governing rights and limitations.
15  *
16  * You should have received a copy of the LGPL along with this
17  * program. If not, go to http://www.gnu.org/licenses/lgpl.html
18  * or write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  * The development of this software was supported by:
22  * CoR-Lab, Research Institute for Cognition and Robotics
23  * Bielefeld University
24  *
25  * ============================================================ */
26 
27 #pragma once
28 
29 #include <set>
30 
31 #include <boost/shared_ptr.hpp>
32 #include <boost/scoped_ptr.hpp>
33 
34 #include "EventReceivingStrategy.h"
35 
36 namespace rsb {
37 
38 class Event;
39 typedef boost::shared_ptr<Event> EventPtr;
40 
41 namespace filter {
42 class Filter;
43 typedef boost::shared_ptr<Filter> FilterPtr;
44 }
45 
46 namespace transport {
48 typedef boost::shared_ptr<InPullConnector> InPullConnectorPtr;
49 }
50 
51 namespace eventprocessing {
52 
68 public:
69  PullEventReceivingStrategy(const std::set<transport::InPullConnectorPtr>& connectors);
70  virtual ~PullEventReceivingStrategy();
71 
72  virtual void addFilter(filter::FilterPtr filter);
73  virtual void removeFilter(filter::FilterPtr filter);
74 
82  EventPtr raiseEvent(bool block);
83 private:
84 
85  class Impl;
86  boost::scoped_ptr<Impl> d;
87 
88  std::string getClassName() const;
89  void printContents(std::ostream& stream) const;
90 
91  void handle(EventPtr event); // not used
92 };
93 
94 typedef boost::shared_ptr<PullEventReceivingStrategy> PullEventReceivingStrategyPtr;
95 
96 }
97 }