CCA
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PortTriggered.cpp
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00001 /* ============================================================ 00002 * 00003 * This file is a part of CCA project 00004 * 00005 * Copyright (C) 2011 by Arne Nordmann <anordman at cor-lab dot uni-bielefeld dot de> 00006 * 00007 * This file may be licensed under the terms of the 00008 * GNU Lesser General Public License Version 3 (the ``LGPL''), 00009 * or (at your option) any later version. 00010 * 00011 * Software distributed under the License is distributed 00012 * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either 00013 * express or implied. See the LGPL for the specific language 00014 * governing rights and limitations. 00015 * 00016 * You should have received a copy of the LGPL along with this 00017 * program. If not, go to http://www.gnu.org/licenses/lgpl.html 00018 * or write to the Free Software Foundation, Inc., 00019 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00020 * 00021 * The development of this software was supported by: 00022 * CoR-Lab, Research Institute for Cognition and Robotics 00023 * Bielefeld University 00024 * 00025 * ============================================================ */ 00026 00031 #include "PortTriggered.h" 00032 00033 #include <vector> 00034 #include <numeric> 00035 #include <sstream> 00036 #include <iostream> 00037 00038 using namespace std; 00039 using namespace boost; 00040 00041 namespace cca { 00042 00043 StrategyPtr PortTriggered::port(const std::string& name) { 00044 return StrategyPtr(new PortTriggered(name)); 00045 } 00046 00047 PortTriggered::PortTriggered(const std::string& name) : 00048 ProcessingStrategy("Port-Triggered", false, true), portname(name) { 00049 } 00050 00051 bool PortTriggered::processOnTick() const { 00052 return false; 00053 } 00054 00055 bool PortTriggered::processOnInputs( 00056 ProcessingStrategy::NamedInputPorts inputs) const { 00057 if (inputs.at(portname)->newItem()) { 00058 return true; 00059 } 00060 return false; 00061 } 00062 00063 string PortTriggered::print() const { 00064 ostringstream outstream(ostringstream::out); 00065 outstream.precision(3); // Precision when printing double values 00066 outstream << "<" << this->name << ", listening to port '" << this->portname 00067 << "'>"; 00068 return outstream.str(); 00069 } 00070 00071 }