RSB  0.17.0
TypeFilter.cpp
Go to the documentation of this file.
1 /* ============================================================
2  *
3  * This file is part of the RSB project.
4  *
5  * Copyright (C) 2014 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 #include "TypeFilter.h"
28 
29 #include "../MetaData.h"
30 
31 #include "FilterObserver.h"
32 
33 namespace rsb {
34 namespace filter {
35 
36 TypeFilter::TypeFilter(const std::string& type,
37  bool invert):
38  type(type), invert(invert) {
39 }
40 
41 const std::string& TypeFilter::getType() const {
42  return this->type;
43 }
44 
45 bool TypeFilter::isInverted() const {
46  return this->invert;
47 }
48 
50  bool result = this->type == event->getType();
51  return this->invert ? !result : result;
52 }
53 
55  FilterAction::Types action) {
56  observer->notify(this, action);
57 }
58 
59 }
60 }
const std::string & getType() const
Definition: TypeFilter.cpp:41
TypeFilter(const std::string &type, bool invert=false)
Creates a new type filter that matches events whose payload is of the type designated by type...
Definition: TypeFilter.cpp:36
Types
Possible actions with filters.
boost::shared_ptr< FilterObserver > FilterObserverPtr
Definition: Filter.h:38
void notifyObserver(FilterObserverPtr observer, FilterAction::Types action)
Double-dispatch method to notfify a FilterObserver about changes for this filter with a more specific...
Definition: TypeFilter.cpp:54
bool isInverted() const
Definition: TypeFilter.cpp:45
bool match(EventPtr event)
Matches the given event against the constraints specified by this filter.
Definition: TypeFilter.cpp:49
boost::shared_ptr< Event > EventPtr
Definition: Event.h:264