C++ EventChannel_var::default_filter_factory方法代码示例

void
TAO_Notify_Tests_Filter_Command::handle_create_filter_factory (void)
{
  CosNotifyChannelAdmin::EventChannel_var ec;

  LOOKUP_MANAGER->resolve (ec, this->factory_.c_str ());

  CosNotifyFilter::FilterFactory_var ff =
    ec->default_filter_factory ();

  LOOKUP_MANAGER->_register (ff.in(), this->name_.c_str ());
}

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  try
  {
    PortableServer::POAManager_var poa_manager;

    CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);

    CORBA::Object_var poa_obj = orb->resolve_initial_references("RootPOA");
    PortableServer::POA_var root_poa = PortableServer::POA::_narrow(poa_obj.in());

    poa_manager = root_poa->the_POAManager();

    if (parse_args (argc, argv) != 0)
      return 1;

    poa_manager->activate();

    /*Get event_channel*/
    std::cout << "Get event_channel now"  << std::endl;
    CosNotifyChannelAdmin::EventChannel_var ec = get_event_channel(orb.in());

    //Instanciating the Consumer
    CosNotifyComm::StructuredPushConsumer_var spc =
      CosNotifyComm::StructuredPushConsumer::_nil();

    CosNotifyCommImpl::StructuredPushConsumer *pImpl_spc = new CosNotifyCommImpl::StructuredPushConsumer;
    spc = pImpl_spc->_this();

    //Obtain a Consumer Admin
    CosNotifyChannelAdmin::AdminID adminid = 0;
    CosNotifyChannelAdmin::ConsumerAdmin_var ca =
      ec->new_for_consumers (CosNotifyChannelAdmin::AND_OP, adminid);

    if( ca.in() == CosNotifyChannelAdmin::ConsumerAdmin::_nil() ){
      std::cerr << "ca is nil!" << std::endl;
      return 1;
    }

    //Obtain a Proxy Consumer
    CosNotifyChannelAdmin::ProxyID proxy_id;
    CosNotifyChannelAdmin::ClientType ctype = CosNotifyChannelAdmin::STRUCTURED_EVENT;

    CosNotifyChannelAdmin::ProxySupplier_var proxySupplier_obj;
    try
    {
      proxySupplier_obj = ca->obtain_notification_push_supplier(ctype, proxy_id);
    }
    catch(CosNotifyChannelAdmin::AdminLimitExceeded err)
    {
      std::cerr << "CosNotifyChannelAdmin::AdminLimitExceeded Exception!" << std::endl;
      throw;
    }

    CosNotifyChannelAdmin::StructuredProxyPushSupplier_var pps =
      CosNotifyChannelAdmin::StructuredProxyPushSupplier::_narrow(proxySupplier_obj.in());


    //Attaching a filter to pps
    CosNotifyFilter::FilterFactory_var dff =
      ec->default_filter_factory();

    ACE_ASSERT(!CORBA::is_nil(dff.in()));

    CosNotifyFilter::Filter_var filter = dff->create_filter("EXTENDED_TCL");

    CosNotification::EventTypeSeq event_types(1);
    event_types.length(2);

    event_types[0].domain_name = CORBA::string_dup("DomainA");
    event_types[0].type_name = CORBA::string_dup("TypeA");
    event_types[1].domain_name = CORBA::string_dup("DomainB");
    event_types[1].type_name = CORBA::string_dup("TypeB");

    CosNotifyFilter::ConstraintExpSeq constraints(1);
    constraints.length(1);

    constraints[0].event_types = event_types;
    constraints[0].constraint_expr = CORBA::string_dup(
      "");

    filter->add_constraints(constraints);

    pps->add_filter(filter.in());

    std::cout << "Attached a filter to ProxyPushSupplier" << std::endl;
    std::cout << "The filter's event_types[0].domain_name=" <<  event_types[0].domain_name << std::endl;
    std::cout << "The filter's event_types[0].type_name=" <<  event_types[0].type_name << std::endl;
    std::cout << "The filter's event_types[1].domain_name=" <<  event_types[1].domain_name << std::endl;
    std::cout << "The filter's event_types[1].type_name=" <<  event_types[1].type_name << std::endl;


    //Connecting a Supplier to a Proxy Consumer
    try
    {
      pps->connect_structured_push_consumer(spc.in());
    }
    catch (CosEventChannelAdmin::AlreadyConnected ac)
    {
      std::cerr << "CosEventChannelAdmin::AlreadyConnected" << std::endl;
//.........这里部分代码省略.........

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  try
  {
    Consumer_Client client;

    int status = client.init (argc, argv);
    ACE_ASSERT(status == 0);
    ACE_UNUSED_ARG(status);

    CosNotifyChannelAdmin::EventChannel_var ec =
      client.create_event_channel ("MyEventChannel", 1);

    CORBA::ORB_ptr orb = client.orb ();
    CORBA::Object_var object =
      orb->string_to_object (ior);

    sig_var sig = sig::_narrow (object.in ());

    ACE_ASSERT(! CORBA::is_nil (sig.in ()));

    CosNotifyChannelAdmin::ConsumerAdmin_var admin =
      create_consumeradmin (ec.in ());

    if (filter)
    {
      CosNotifyFilter::FilterFactory_var ffact =
        ec->default_filter_factory ();

      CosNotifyFilter::Filter_var filter =
        ffact->create_filter ("TCL");

      ACE_ASSERT(! CORBA::is_nil(filter.in()));

      CosNotifyFilter::ConstraintExpSeq constraint_list (1);
      constraint_list.length(1);

      constraint_list[0].event_types.length (0);
      constraint_list[0].constraint_expr = CORBA::string_dup(ACE_TEXT_ALWAYS_CHAR (constraintString));

      filter->add_constraints (constraint_list);

      admin->add_filter(filter.in());
    }

    ACE_ASSERT (!CORBA::is_nil (admin.in ()));
    create_consumers(admin.in (), &client);

    // Tell the supplier to go
    sig->go ();

    client.ORB_run( );
    ACE_DEBUG((LM_DEBUG, "Consumer done.\n"));

    sig->done ();

    return 0;

  }
  catch (const CORBA::Exception& e)
  {
    e._tao_print_exception ("Error: Consumer exception: ");
  }

  return 1;
}

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  try
  {
    PortableServer::POAManager_var poa_manager;

    CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);

    CORBA::Object_var poa_obj = orb->resolve_initial_references("RootPOA");
    PortableServer::POA_var root_poa = PortableServer::POA::_narrow(poa_obj.in());

    poa_manager = root_poa->the_POAManager();

    poa_manager->activate();

    /*Get event_channel*/
    std::cout << "Get event_channel now"  << std::endl;
    CosNotifyChannelAdmin::EventChannel_var ec = get_event_channel(orb.in());

    //Attaching a filter to pps
    CosNotifyFilter::FilterFactory_var dff =
      ec->default_filter_factory();

    ACE_ASSERT(!CORBA::is_nil(dff.in()));

    std::cout << "Test CosNotifyFilter::Filter::match_structured" << std::endl;

    //Constructing a test event
    CosNotification::StructuredEvent event;

    event.header.fixed_header.event_type.domain_name =
      CORBA::string_dup("Test_domain");
    event.header.fixed_header.event_type.type_name =
      CORBA::string_dup("Test_type_name");

    event.header.variable_header.length(0);
    event.remainder_of_body <<= "";

    std::cout << "Constructing a test event" << std::endl;
    std::cout << "\tIts header.fixed_header.event_type.domain_name="
      << event.header.fixed_header.event_type.domain_name
      << std::endl;
    std::cout << "\tIts header.fixed_header.event_type.type_name="
      << event.header.fixed_header.event_type.type_name
      << std::endl;

    CosNotifyFilter::Filter_var filter = dff->create_filter("EXTENDED_TCL");
    update_constraints (filter, "DomainA", "TypeA", "DomainB", "TypeB");

    bool expected_result = false;
    match_structure_test (filter, event, expected_result);

    update_constraints (filter, "*", "%ALL", "DomainB", "TypeB");
    expected_result = true;
    match_structure_test (filter, event, expected_result);

    update_constraints (filter, "Test_domain", "%ALL", "DomainB", "TypeB");
    expected_result = true;
    match_structure_test (filter, event, expected_result);

    update_constraints (filter, "*", "Test_type_name", "DomainB", "TypeB");
    expected_result = true;
    match_structure_test (filter, event, expected_result);

    update_constraints (filter, "*", "*", "*", "*");
    expected_result = true;
    match_structure_test (filter, event, expected_result);

    orb->shutdown();

  }
  catch(...)
  {
    std::cerr << "Filter: Some exceptions was caught!" << std::endl;
    exit(1);
  }


  return 0;
}

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  try
  {
    Consumer_Client client;

    int status = client.init (argc, argv);
    if (status != 0)
    {
      ACE_ERROR((LM_ERROR, "Error: Unable to init consumer.\n"));
      return 1;
    }

    CosNotifyChannelAdmin::EventChannel_var ec =
      client.create_event_channel ("Struct_Multi_Filter", 1);

    CosNotifyChannelAdmin::AdminID adminid = 0;
    CosNotifyChannelAdmin::ConsumerAdmin_var consumer_admin =
      ec->new_for_consumers ((consumerFilter == OrOp
      ? CosNotifyChannelAdmin::OR_OP : CosNotifyChannelAdmin::AND_OP),
      adminid);

    ACE_ASSERT(! CORBA::is_nil (consumer_admin.in ()));

    if (consumerFilter != None)
    {
      CosNotifyFilter::FilterFactory_var ffact =
        ec->default_filter_factory ();

      CosNotifyFilter::Filter_var filter =
        ffact->create_filter (GRAMMAR);

      if (CORBA::is_nil (filter.in ()))
      {
        ACE_ERROR ((LM_ERROR,
          " (%P|%t) Consumer unable to initialize filter.\n"));
        return 1;
      }

      CosNotifyFilter::ConstraintExpSeq constraint_list (1);
      constraint_list.length (1);

      constraint_list[0].event_types.length (0);
      constraint_list[0].constraint_expr = CORBA::string_dup ("type != 1");

      filter->add_constraints (constraint_list);

      consumer_admin->add_filter (filter.in ());
    }

    CORBA::ORB_ptr orb = client.orb ();

    CORBA::Object_var object =
      orb->string_to_object (ior);

    sig_var sig = sig::_narrow (object.in ());

    ACE_ASSERT(! CORBA::is_nil (sig.in ()));

    create_consumer (consumer_admin.in (), ec.in (), &client);

    ACE_DEBUG((LM_DEBUG, "\nConsumer waiting for events...\n"));

    sig->go ();

    client.ORB_run( );

    ACE_DEBUG((LM_DEBUG, "\nConsumer done.\n"));

    sig->done();

    return 0;
  }
  catch (const CORBA::Exception& e)
  {
    e._tao_print_exception ("\nError: Consumer:");
  }

  return 1;
}

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  try
  {
    CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);

    CORBA::Object_var naming_obj =
      orb->resolve_initial_references ("NameService");

    if (CORBA::is_nil(naming_obj.in())) {
      std::cerr << "Unable to find naming service" << std::endl;
      return 1;
    }

    CosNaming::NamingContext_var naming_context =
      CosNaming::NamingContext::_narrow(naming_obj.in());

    CosNaming::Name name(1);
    name.length (1);
    name[0].id = CORBA::string_dup("NotifyEventChannelFactory");

    CORBA::Object_var obj = naming_context->resolve(name);

    CosNotifyChannelAdmin::EventChannelFactory_var notify_factory =
      CosNotifyChannelAdmin::EventChannelFactory::_narrow(obj.in());

    if (CORBA::is_nil(notify_factory.in())) {
      std::cerr << "Unable to find notify factory" << std::endl;
      return 1;
    }

    name.length (1);
    name[0].id = CORBA::string_dup("MyEventChannel");
    CORBA::Object_var ecObj = naming_context->resolve(name);

    CosNotifyChannelAdmin::EventChannel_var ec =
      CosNotifyChannelAdmin::EventChannel::_narrow(ecObj.in());

    if (CORBA::is_nil (ec.in())) {
      std::cerr << "Unable to find event channel" << std::endl;
      return 1;
    }

    CosNotifyChannelAdmin::AdminID adminid;
    CosNotifyChannelAdmin::InterFilterGroupOperator ifgop =
      CosNotifyChannelAdmin::AND_OP;

    CosNotifyChannelAdmin::ConsumerAdmin_var consumer_admin =
      ec->new_for_consumers(ifgop,
                            adminid);

    if (CORBA::is_nil (consumer_admin.in())) {
      std::cerr << "Unable to find consumer admin" << std::endl;
      return 1;
    }

    CosNotifyFilter::FilterFactory_var ffact =
      ec->default_filter_factory ();

    // setup a filter at the consumer admin
    CosNotifyFilter::Filter_var ca_filter =
      ffact->create_filter (TCL_GRAMMAR);

    if (CORBA::is_nil (ca_filter.in())) {
      std::cerr << "Unable to create filetr object" << std::endl;
      return 1;
    }

    CosNotifyFilter::ConstraintExpSeq constraint_list (1);
    constraint_list.length (1);
    constraint_list[0].event_types.length (0);
    constraint_list[0].constraint_expr = CORBA::string_dup (CA_FILTER);

    ca_filter->add_constraints (constraint_list);

    consumer_admin ->add_filter (ca_filter.in());

    CosNotification::EventTypeSeq added(1);
    CosNotification::EventTypeSeq removed (0);
    added.length (1);
    removed.length (0);

    added[0].domain_name =  CORBA::string_dup ("*");
    added[0].type_name = CORBA::string_dup ("*");

    consumer_admin->subscription_change (added, removed);

    CORBA::Object_var poa_object =
      orb->resolve_initial_references("RootPOA");

    if (CORBA::is_nil (poa_object.in())) {
      std::cerr << "Unable to initialize the POA." << std::endl;
      return 1;
    }

    PortableServer::POA_var poa =
      PortableServer::POA::_narrow(poa_object.in());

    PortableServer::Servant_var<StructuredEventConsumer_i> servant =
      new StructuredEventConsumer_i(orb.in());
//.........这里部分代码省略.........