C++ DataReader_var::create_readcondition方法代码示例

bool run_multitopic_test(const Publisher_var& pub, const Subscriber_var& sub)
{
  DomainParticipant_var sub_dp = sub->get_participant();

  // Writer-side setup

  Writer<LocationInfo> location(pub, "Location", sub_dp);
  Writer<PlanInfo> flightplan(pub, "FlightPlan", sub_dp);
  Writer<MoreInfo> more(pub, "More", sub_dp);
  Writer<UnrelatedInfo> unrelated(pub, "Unrelated", sub_dp);
  MoreInfoDataWriter_var midw = MoreInfoDataWriter::_narrow(more.dw_);

  // Reader-side setup

  ResultingTypeSupport_var ts_res = new ResultingTypeSupportImpl;
  check(ts_res->register_type(sub_dp, ""));
  CORBA::String_var type_name = ts_res->get_type_name();
  MoreInfo mi;
  DDS::DataReader_var dr;

  for (int i = 0; i < N_ITERATIONS; ++i) {

    MultiTopic_var mt = sub_dp->create_multitopic("MyMultiTopic", type_name,
      "SELECT flight_name, x, y, z AS height, more, misc "
      "FROM Location NATURAL JOIN FlightPlan NATURAL JOIN More NATURAL JOIN "
      "Unrelated WHERE height < 1000 AND x<23", StringSeq());
    if (!mt) return false;
    dr = sub->create_datareader(mt, DATAREADER_QOS_DEFAULT,
                                0, DEFAULT_STATUS_MASK);

    // Write samples (Location)

    waitForMatch(location.dw_);
    LocationInfoDataWriter_var locdw =
      LocationInfoDataWriter::_narrow(location.dw_);
    LocationInfo sample = {100, 97, 23, 2, 3}; // filtered out (x < 23)
    ReturnCode_t ret = locdw->write(sample, HANDLE_NIL);
    if (ret != RETCODE_OK) return false;
    LocationInfo sample2 = {100, 96, 1, 2, 3000}; // filtered out (height < 1000)
    ret = locdw->write(sample2, HANDLE_NIL);
    if (ret != RETCODE_OK) return false;
    LocationInfo sample3 = {100, 99, 1, 2, 3};
    ret = locdw->write(sample3, HANDLE_NIL);
    if (ret != RETCODE_OK) return false;
    LocationInfo sample3_5 = {100, 98, 4, 5, 6};
    ret = locdw->write(sample3_5, HANDLE_NIL);
    if (ret != RETCODE_OK) return false;

    // Write samples (FlightPlan)

    waitForMatch(flightplan.dw_);
    PlanInfoDataWriter_var pidw = PlanInfoDataWriter::_narrow(flightplan.dw_);
    PlanInfo sample4;
    sample4.flight_id1 = 100;
    sample4.flight_id2 = 99;
    sample4.flight_name = "Flight 100-99";
    sample4.tailno = "N12345";
    ret = pidw->write(sample4, HANDLE_NIL);
    if (ret != RETCODE_OK) return false;
    PlanInfo sample4_1(sample4);
    sample4_1.flight_id2 = 97;
    sample4_1.flight_name = "Flight 100-97";
    ret = pidw->write(sample4_1, HANDLE_NIL);
    if (ret != RETCODE_OK) return false;
    PlanInfo sample4_2(sample4);
    sample4_2.flight_id2 = 96;
    sample4_2.flight_name = "Flight 100-96";
    ret = pidw->write(sample4_2, HANDLE_NIL);
    if (ret != RETCODE_OK) return false;

    // Write samples (More)

    waitForMatch(more.dw_);
    mi.flight_id1 = 12345;
    mi.more = "Shouldn't see this";
    ret = midw->write(mi, HANDLE_NIL);
    if (ret != RETCODE_OK) return false;
    mi.flight_id1 = 100;
    mi.more = "Extra info for all flights with id1 == 100";
    ret = midw->write(mi, HANDLE_NIL);
    if (ret != RETCODE_OK) return false;

    // Write samples (Unrelated)

    waitForMatch(unrelated.dw_);
    UnrelatedInfoDataWriter_var uidw =
      UnrelatedInfoDataWriter::_narrow(unrelated.dw_);
    UnrelatedInfo ui;
    ui.misc = "Misc";
    ret = uidw->write(ui, HANDLE_NIL);
    if (ret != RETCODE_OK) return false;

    // Read resulting samples

    WaitSet_var ws = new WaitSet;
    ReadCondition_var rc = dr->create_readcondition(ANY_SAMPLE_STATE,
      ANY_VIEW_STATE, ANY_INSTANCE_STATE);
    ws->attach_condition(rc);
    Duration_t infinite = {DURATION_INFINITE_SEC, DURATION_INFINITE_NSEC};
    ConditionSeq active;
//.........这里部分代码省略.........

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  DDS::DomainParticipantFactory_var dpf = DDS::DomainParticipantFactory::_nil();
  DDS::DomainParticipant_var participant = DDS::DomainParticipant::_nil();

  try 
  {
     QuantLibAddinCpp::initializeAddin();

     boost::gregorian::date date ( boost::gregorian::from_undelimited_string( "20111019" ) );

     long evaluationDate = QuantLib::Date( date.day(), QuantLib::Month(date.month().as_number()), date.year() ).serialNumber(); 

     QuantLibAddinCpp::qlSettingsSetEvaluationDate(evaluationDate, OH_NULL);

     std::string ticker;

     // Initialize, and create a DomainParticipant
     dpf = TheParticipantFactoryWithArgs(argc, argv);
     
     qldds_utils::BasicDomainParticipant participant( dpf, EQUITY_OPTIONS_DOMAIN_ID );
     participant.createPublisher();
     participant.createSubscriber();
     DDS::DomainParticipant_var dp = participant.getDomainParticipant();  

 
     ACE_Get_Opt cmd_opts( argc, argv, ":s:" );
  
     int option;
  
     while ( (option = cmd_opts()) != EOF )
     {
       switch( option )
       {
         case 's' :
           ticker = cmd_opts.opt_arg();
           break;
       }
     }


     // Topics
     // setting up qlBlackConstantVols Topic
     DDS::Topic_var ql_black_constant_vols_topic = participant.createTopicAndRegisterType
        < qlBlackConstantVolsTypeSupport_var, qlBlackConstantVolsTypeSupportImpl >
         ( QL_BLACK_CONSTANT_VOLS_TOPIC_NAME );

     // setting up qlGeneralizedBlackScholesProcesses Topic
     DDS::Topic_var ql_generalized_black_scholes_processes_topic = participant.createTopicAndRegisterType
        < qlGeneralizedBlackScholesProcessesTypeSupport_var, qlGeneralizedBlackScholesProcessesTypeSupportImpl >
         ( QL_GENERALIZED_BLACK_SCHOLES_PROCESSES_TOPIC_NAME );

     // setting up qlStrikedTypePayoff Topic
     DDS::Topic_var ql_striked_type_payoffs_topic = participant.createTopicAndRegisterType
       < qlStrikedTypePayoffsTypeSupport_var, qlStrikedTypePayoffsTypeSupportImpl >
         ( QL_STRIKED_TYPE_PAYOFFS_TOPIC_NAME );

     // setting up qlEuropeanExercises Topic
     DDS::Topic_var ql_european_exercises_topic = participant.createTopicAndRegisterType
        < qlEuropeanExercisesTypeSupport_var, qlEuropeanExercisesTypeSupportImpl >
         ( QL_EUROPEAN_EXERCISES_TOPIC_NAME ); 

     StraddleSetupTypeSupport_var ts_res = new StraddleSetupTypeSupportImpl;
     if ( ts_res->register_type(dp, "") != DDS::RETCODE_OK )
     {
       std::cout << "Registration of the Topic FAILED!!!!" << std::endl;
     }

     CORBA::String_var type_name = ts_res->get_type_name();
     std::cout << "Type Name : " << type_name << std::endl; 

     std::stringstream multi_topic_select;

     multi_topic_select << "SELECT ticker, putVols, callVols, putPayoffs, callPayoffs, process, exercises FROM "<<
                          QL_BLACK_CONSTANT_VOLS_TOPIC_NAME << " NATURAL JOIN " << 
                          QL_GENERALIZED_BLACK_SCHOLES_PROCESSES_TOPIC_NAME << " NATURAL JOIN " <<
                          QL_STRIKED_TYPE_PAYOFFS_TOPIC_NAME << " NATURAL JOIN " << 
                          QL_EUROPEAN_EXERCISES_TOPIC_NAME << " WHERE ticker = '" << ticker << "'";

     std::cout << multi_topic_select.str() << std::endl; 

     DDS::MultiTopic_var mt = dp->create_multitopic("MyMultiTopic", type_name, multi_topic_select.str().c_str(), DDS::StringSeq()); 

     if ( CORBA::is_nil( mt ) ) 
       std::cout << "MultiTopic Subscribtion failed.!!!!" << mt << std::endl;

     DDS::Subscriber_var sub = participant.getSubscriber();
     std::cout << "Creating Data Reader"<< std::endl;
     DDS::DataReader_var dr = sub->create_datareader(mt, DATAREADER_QOS_DEFAULT, 0, ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
     std::cout << "Done..."<< std::endl;

     DDS::WaitSet_var ws = new DDS::WaitSet;
     DDS::ReadCondition_var rc = dr->create_readcondition( DDS::ANY_SAMPLE_STATE, DDS::ANY_VIEW_STATE, DDS::ANY_INSTANCE_STATE);
     ws->attach_condition(rc);
     DDS::Duration_t infinite = { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC};
     DDS::ConditionSeq active;
     int ret = ws->wait(active, infinite);
     if (ret != DDS::RETCODE_OK) return false;
     ws->detach_condition(rc);

//.........这里部分代码省略.........