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Reader.cpp
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1 /* ============================================================
2  *
3  * This file is part of the RSB project
4  *
5  * Copyright (C) 2011 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 "Reader.h"
28 
31 
32 using namespace std;
33 
34 using namespace boost;
35 
36 using namespace rsb::eventprocessing;
37 using namespace rsb::transport;
38 
39 namespace rsb {
40 
41 Reader::Reader(const vector<InPullConnectorPtr>& connectors,
42  const Scope& scope,
43  const ParticipantConfig& config) :
44  Participant(scope, config) {
45  this->configurator.reset(new PullInRouteConfigurator(scope, config));
46  for (vector<InPullConnectorPtr>::const_iterator it = connectors.begin(); it
47  != connectors.end(); ++it) {
48  this->configurator->addConnector(*it);
49  }
50  this->configurator->activate();
51 }
52 
53 EventPtr Reader::read(bool block) {
55  = dynamic_pointer_cast<PullEventReceivingStrategy>(this->configurator->getEventReceivingStrategy());
56  assert(strategy);
57  return strategy->raiseEvent(block);
58 }
59 
60 string Reader::getClassName() const {
61  return "Reader";
62 }
63 
64 }
std::string getClassName() const
Definition: Reader.cpp:60
Objects of this InRouteConfigurator class setup and maintain the required components for a pull-style...
eventprocessing::InRouteConfiguratorPtr configurator
Definition: Reader.h:96
Objects of this class participate in the exchange of notifications on one channel of the bus...
Definition: Participant.h:57
EventPtr read(bool block=true)
Reads one event from the bus.
Definition: Reader.cpp:53
A class describing the configuration of Participant instances.
boost::shared_ptr< PullEventReceivingStrategy > PullEventReceivingStrategyPtr
boost::shared_ptr< Event > EventPtr
Definition: Event.h:251
Scope is a descriptor for a hierarchical channel of the unified bus.
Definition: Scope.h:46
Instances of this class retrieve Event s from transport::Connector s when explicitly asked by a clien...