C++ PropertyDict::empty方法代码示例

void
ServiceI::start(
    const string& name,
    const CommunicatorPtr& communicator,
    const StringSeq& /*args*/)
{
    PropertiesPtr properties = communicator->getProperties();

    validateProperties(name, properties, communicator->getLogger());

    int id = properties->getPropertyAsIntWithDefault(name + ".NodeId", -1);

    // If we are using a replicated deployment and if the topic
    // manager thread pool max size is not set then ensure it is set
    // to some suitably high number. This ensures no deadlocks in the
    // replicated case due to call forwarding from replicas to
    // coordinators.
    if(id != -1 && properties->getProperty(name + ".TopicManager.ThreadPool.SizeMax").empty())
    {
        properties->setProperty(name + ".TopicManager.ThreadPool.SizeMax", "100");
    }

    Ice::ObjectAdapterPtr topicAdapter = communicator->createObjectAdapter(name + ".TopicManager");
    Ice::ObjectAdapterPtr publishAdapter = communicator->createObjectAdapter(name + ".Publish");

    //
    // We use the name of the service for the name of the database environment.
    //
    string instanceName = properties->getPropertyWithDefault(name + ".InstanceName", "IceStorm");
    Identity topicManagerId;
    topicManagerId.category = instanceName;
    topicManagerId.name = "TopicManager";

    if(properties->getPropertyAsIntWithDefault(name+ ".Transient", 0) > 0)
    {
        _instance = new Instance(instanceName, name, communicator, publishAdapter, topicAdapter, 0);
        try
        {
            TransientTopicManagerImplPtr manager = new TransientTopicManagerImpl(_instance);
            _managerProxy = TopicManagerPrx::uncheckedCast(topicAdapter->add(manager, topicManagerId));
        }
        catch(const Ice::Exception& ex)
        {
            _instance = 0;

            LoggerOutputBase s;
            s << "exception while starting IceStorm service " << name << ":\n";
            s << ex;

            IceBox::FailureException e(__FILE__, __LINE__);
            e.reason = s.str();
            throw e;
        }
        topicAdapter->activate();
        publishAdapter->activate();
        return;
    }

    if(id == -1) // No replication.
    {
        _instance = new Instance(instanceName, name, communicator, publishAdapter, topicAdapter);

        try
        {
            _manager = new TopicManagerImpl(_instance);
            _managerProxy = TopicManagerPrx::uncheckedCast(topicAdapter->add(_manager->getServant(), topicManagerId));
        }
        catch(const Ice::Exception& ex)
        {
            _instance = 0;

            LoggerOutputBase s;
            s << "exception while starting IceStorm service " << name << ":\n";
            s << ex;

            IceBox::FailureException e(__FILE__, __LINE__);
            e.reason = s.str();
            throw e;
        }
    }
    else
    {
        // Here we want to create a map of id -> election node
        // proxies.
        map<int, NodePrx> nodes;

        string topicManagerAdapterId = properties->getProperty(name + ".TopicManager.AdapterId");

        // We support two possible deployments. The first is a manual
        // deployment, the second is IceGrid.
        //
        // Here we check for the manual deployment
        const string prefix = name + ".Nodes.";
        Ice::PropertyDict props = properties->getPropertiesForPrefix(prefix);
        if(!props.empty())
        {
            for(Ice::PropertyDict::const_iterator p = props.begin(); p != props.end(); ++p)
            {
                int nodeid = atoi(p->first.substr(prefix.size()).c_str());
                nodes[nodeid] = NodePrx::uncheckedCast(communicator->propertyToProxy(p->first));
//.........这里部分代码省略.........

int
PropsClient::run(int argc, char* argv[])
{
    if(argc > 1)
    {
        cerr << appName() << ": too many arguments" << endl;
        return EXIT_FAILURE;
    }

    PropsPrx props = PropsPrx::checkedCast(communicator()->propertyToProxy("Props.Proxy"));
    if(!props)
    {
        cerr << argv[0] << ": invalid proxy" << endl;
        return EXIT_FAILURE;
    }

    Ice::PropertiesAdminPrx admin =
        Ice::PropertiesAdminPrx::checkedCast(communicator()->propertyToProxy("Admin.Proxy"));

    Ice::PropertyDict batch1;
    batch1["Demo.Prop1"] = "1";
    batch1["Demo.Prop2"] = "2";
    batch1["Demo.Prop3"] = "3";

    Ice::PropertyDict batch2;
    batch2["Demo.Prop1"] = "10";
    batch2["Demo.Prop2"] = ""; // An empty value removes this property
    batch2["Demo.Prop3"] = "30";

    show(admin);
    menu();

    char c = 'x';
    do
    {
        try
        {
            cout << "==> ";
            cin >> c;
            if(c == '1' || c == '2')
            {
                Ice::PropertyDict dict = c == '1' ? batch1 : batch2;
                cout << "Sending:" << endl;
                for(Ice::PropertyDict::iterator p = dict.begin(); p != dict.end(); ++p)
                {
                    if(p->first.find("Demo") == 0)
                    {
                        cout << "  " << p->first << "=" << p->second << endl;
                    }
                }
                cout << endl;

                admin->setProperties(dict);

                cout << "Changes:" << endl;
                Ice::PropertyDict changes = props->getChanges();
                if(changes.empty())
                {
                    cout << "  None." << endl;
                }
                else
                {
                    for(Ice::PropertyDict::iterator p = changes.begin(); p != changes.end(); ++p)
                    {
                        cout << "  " << p->first;
                        if(p->second.empty())
                        {
                            cout << " was removed" << endl;
                        }
                        else
                        {
                            cout << " is now " << p->second << endl;
                        }
                    }
                }
            }
            else if(c == 'c')
            {
                show(admin);
            }
            else if(c == 's')
            {
                props->shutdown();
            }
            else if(c == 'x')
            {
                // Nothing to do
            }
            else if(c == '?')
            {
                menu();
            }
            else
            {
                cout << "unknown command `" << c << "'" << endl;
                menu();
            }
        }
        catch(const Ice::Exception& ex)
        {
//.........这里部分代码省略.........

void
allTests(const Ice::CommunicatorPtr& communicator)
{
    string ref = "DemoIceBox/admin:default -p 9996 -t 10000";
    Ice::ObjectPrx admin = communicator->stringToProxy(ref);

    TestFacetPrx facet;

    cout << "testing custom facet... " << flush;
    {
        //
        // Test: Verify that the custom facet is present.
        //
        facet = Test::TestFacetPrx::checkedCast(admin, "TestFacet");
        facet->ice_ping();
    }
    cout << "ok" << endl;

    cout << "testing properties facet... " << flush;
    {
        Ice::PropertiesAdminPrx pa =
            Ice::PropertiesAdminPrx::checkedCast(admin, "IceBox.Service.TestService.Properties");

        //
        // Test: PropertiesAdmin::getProperty()
        //
        test(pa->getProperty("Prop1") == "1");
        test(pa->getProperty("Bogus") == "");

        //
        // Test: PropertiesAdmin::getProperties()
        //
        Ice::PropertyDict pd = pa->getPropertiesForPrefix("");
        test(pd.size() == 5);
        test(pd["Prop1"] == "1");
        test(pd["Prop2"] == "2");
        test(pd["Prop3"] == "3");
        test(pd["Ice.Config"] == "config.service");
        test(pd["Ice.ProgramName"] == "IceBox-TestService");

        Ice::PropertyDict changes;

        //
        // Test: PropertiesAdmin::setProperties()
        //
        Ice::PropertyDict setProps;
        setProps["Prop1"] = "10"; // Changed
        setProps["Prop2"] = "20"; // Changed
        setProps["Prop3"] = ""; // Removed
        setProps["Prop4"] = "4"; // Added
        setProps["Prop5"] = "5"; // Added
        pa->setProperties(setProps);
        test(pa->getProperty("Prop1") == "10");
        test(pa->getProperty("Prop2") == "20");
        test(pa->getProperty("Prop3") == "");
        test(pa->getProperty("Prop4") == "4");
        test(pa->getProperty("Prop5") == "5");
        changes = facet->getChanges();
        test(changes.size() == 5);
        test(changes["Prop1"] == "10");
        test(changes["Prop2"] == "20");
        test(changes["Prop3"] == "");
        test(changes["Prop4"] == "4");
        test(changes["Prop5"] == "5");
        pa->setProperties(setProps);
        changes = facet->getChanges();
        test(changes.empty());
    }
    cout << "ok" << endl;

    cout << "testing metrics admin facet... " << flush;
    {
        IceMX::MetricsAdminPrx ma = IceMX::MetricsAdminPrx::checkedCast(admin, "IceBox.Service.TestService.Metrics");

        Ice::PropertiesAdminPrx pa =
            Ice::PropertiesAdminPrx::checkedCast(admin, "IceBox.Service.TestService.Properties");

        Ice::StringSeq views;
        Ice::StringSeq disabledViews;
        views = ma->getMetricsViewNames(disabledViews);
        test(views.empty());

        Ice::PropertyDict setProps;
        setProps["IceMX.Metrics.Debug.GroupBy"] = "id";
        setProps["IceMX.Metrics.All.GroupBy"] = "none";
        setProps["IceMX.Metrics.Parent.GroupBy"] = "parent";
        pa->setProperties(setProps);
        pa->setProperties(Ice::PropertyDict());

        views = ma->getMetricsViewNames(disabledViews);
        test(views.size() == 3);
        
        // Make sure that the IceBox communicator metrics admin is a separate instance.
        test(IceMX::MetricsAdminPrx::checkedCast(admin, "Metrics")->getMetricsViewNames(disabledViews).empty());
    }
    cout << "ok" << endl;
}