00001 #include "GotoObject.h" 00002 00003 #include "ActionFactory.h" 00004 #include "../msgs_utils.h" 00005 00006 #include "actasp/AnswerSet.h" 00007 00008 #include "bwi_kr_execution/CurrentStateQuery.h" 00009 00010 #include <ros/ros.h> 00011 00012 #include <algorithm> 00013 00014 00015 00016 00017 using namespace std; 00018 using namespace actasp; 00019 00020 namespace bwi_krexec { 00021 00022 static vector<string> createVector(const std::string& objectName) { 00023 vector<string> paramVector(1); 00024 paramVector[0] = objectName; 00025 00026 return paramVector; 00027 } 00028 00029 00030 GotoObject::GotoObject(const std::string& objectName): 00031 LogicalNavigation("goto",createVector(objectName)), 00032 failed(false){} 00033 00034 00035 struct IsFluentAt { 00036 00037 bool operator()(const bwi_kr_execution::AspFluent& fluent) { 00038 return fluent.name == "at"; 00039 } 00040 00041 }; 00042 00043 void GotoObject::run() { 00044 00045 bwi_krexec::LogicalNavigation::run(); 00046 00047 ros::NodeHandle n; 00048 ros::ServiceClient krClient = n.serviceClient<bwi_kr_execution::CurrentStateQuery> ( "current_state_query" ); 00049 krClient.waitForExistence(); 00050 00051 bwi_kr_execution::CurrentStateQuery csq; 00052 00053 krClient.call(csq); 00054 00055 AnswerSet answer = TranslateAnswerSet()(csq.response.answer); 00056 00057 failed = !answer.contains(AspFluent("facing",this->getParameters(),0)); 00058 00059 00060 } 00061 00062 static ActionFactory gotoFactory(new GotoObject("")); 00063 00064 00065 }