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00039 #ifndef ORO_SERVICEREQUESTER_HPP_
00040 #define ORO_SERVICEREQUESTER_HPP_
00041
00042 #include "rtt-config.h"
00043 #include "rtt-fwd.hpp"
00044 #include "base/OperationCallerBaseInvoker.hpp"
00045 #include "Service.hpp"
00046 #include <map>
00047 #include <vector>
00048 #include <string>
00049
00050 namespace RTT
00051 {
00064 class RTT_API ServiceRequester
00065 {
00066 public:
00067 typedef std::vector<std::string> RequesterNames;
00068 typedef std::vector<std::string> OperationCallerNames;
00069 ServiceRequester(const std::string& name, TaskContext* owner = 0);
00070 virtual ~ServiceRequester();
00071
00072 const std::string& getRequestName() const { return mrname; }
00073
00074 RequesterNames getRequesterNames() const;
00075
00080 TaskContext* getServiceOwner() const { return mrowner; }
00081
00088 Service::shared_ptr getReferencedService();
00089
00090 bool addOperationCaller( base::OperationCallerBaseInvoker& mbi);
00091
00092 OperationCallerNames getOperationCallerNames() const;
00093
00094 base::OperationCallerBaseInvoker* getOperationCaller(const std::string& name);
00095
00096 ServiceRequester* requires() { return this; }
00097
00098 ServiceRequester* requires(const std::string& service_name) {
00099 ServiceRequester* sp = mrequests[service_name];
00100 if (sp)
00101 return sp;
00102 sp = new ServiceRequester(service_name, mrowner);
00103 mrequests[service_name] = sp;
00104 return sp;
00105 }
00106
00112 bool requiresService(const std::string& service_name) {
00113 return mrequests.find(service_name) != mrequests.end();
00114 }
00115
00127 bool connectTo(Service::shared_ptr sp);
00128
00133 bool ready() const;
00134
00138 void disconnect();
00139
00140 protected:
00141 typedef std::map< std::string, ServiceRequester* > Requests;
00143 Requests mrequests;
00144
00146 typedef std::map<std::string, base::OperationCallerBaseInvoker*> OperationCallers;
00147 OperationCallers mmethods;
00148
00149 std::string mrname;
00150 TaskContext* mrowner;
00151 Service::shared_ptr mprovider;
00152 };
00153 }
00154
00155 #endif