/// <summary>
        /// 遅延初期化処理。
        /// </summary>
        /// <param name="token"></param>
        private void Init(CancellationToken token, TaskScheduler uiSyncContext, Assembly callerAssembly)
        {
            logger.Trace("Init Start");
            try
            {
                // MEFの構成
                var qAssm = new[] { 
                    this.GetType().Assembly,
                    Assembly.GetEntryAssembly(),
                    callerAssembly, 
                    typeof(Pasta.Logging.PastaLogger).Assembly,
                    typeof(Pasta.Gleaners.Net.MailGleaner).Assembly,
                }
                    .Where(a => a != null)
                    .Distinct();
                var configuration = new ContainerConfiguration()
                    .WithAssemblies(qAssm)
                    ;
                var host = configuration.CreateContainer();
                token.Register(() => host.Dispose());

                // appの取得と構成
                var app = host.GetExport<AppCore>();
                app.Init(token,uiSyncContext);
                Application = app;
                logger.Trace("Init End");
            }
            catch (Exception ex)
            {
                logger.Error(ex);
            }
        }

		public void Basic()
		{
			var types = new[] { typeof(Singleton) }.AsApplicationParts();
			var container = new ContainerConfiguration().WithParts( types.AsEnumerable() ).WithProvider( SingletonExportDescriptorProvider.Default ).CreateContainer();
			var export = container.GetExport<Singleton>();
			Assert.Same( Singleton.Default, export );
		}

		public void Implementation()
		{
			var types = new[] { typeof(Implemented) }.AsApplicationParts();
			var container = new ContainerConfiguration().WithParts( types.AsEnumerable() ).WithProvider( SingletonExportDescriptorProvider.Default ).CreateContainer();
			Assert.Same( Implemented.Default, container.GetExport<ISingleton>() );
			Assert.Same( Implemented.Default, container.GetExport<Implemented>() );
		}

        public static void ConfigureContainer()
        {
            var containerConventions = new ConventionBuilder();

            containerConventions.ForType<DbProductRepository>()
                .ExportInterfaces()
                .SelectConstructorWithMostParameters()
                .InstancePerHttpRequest();

            containerConventions.ForType<DbLogger>()
                .ExportInterfaces()
                .SelectConstructorWithMostParameters()
                .InstancePerHttpRequest();

            containerConventions.ForType<ProductDbContext>()
                .Export()
                .InstancePerHttpRequest();

            containerConventions.ForTypesDerivedFrom<Controller>()
                .Export<IController>()
                .Export()
                .SelectConstructorWithMostParameters();

            var containerConfig = new ContainerConfiguration();
            containerConfig.WithAssembly(Assembly.GetExecutingAssembly(), containerConventions);

            containerConfig.CreateContainer().UseWithMvc();
        }

        public void StandardExportInterfacesShouldWork()
        {
            // Export all interfaces except IDisposable, Export contracts on types without interfaces. except for disposable types
            var builder = new ConventionBuilder();
            builder.ForTypesMatching((t) => true).ExportInterfaces();
            builder.ForTypesMatching((t) => t.GetTypeInfo().ImplementedInterfaces.Where((iface) => iface != typeof(System.IDisposable)).Count() == 0).Export();

            var container = new ContainerConfiguration()
                .WithPart<Standard>(builder)
                .WithPart<Dippy>(builder)
                .WithPart<Derived>(builder)
                .WithPart<BareClass>(builder)
                .CreateContainer();

            var importer = new Importer();
            container.SatisfyImports(importer);

            Assert.NotNull(importer.First);
            Assert.True(importer.First.Count() == 3);
            Assert.NotNull(importer.Second);
            Assert.True(importer.Second.Count() == 3);
            Assert.NotNull(importer.Third);
            Assert.True(importer.Third.Count() == 3);
            Assert.NotNull(importer.Fourth);
            Assert.True(importer.Fourth.Count() == 3);
            Assert.NotNull(importer.Fifth);
            Assert.True(importer.Fifth.Count() == 3);

            Assert.Null(importer.Base);
            Assert.Null(importer.Derived);
            Assert.Null(importer.Dippy);
            Assert.Null(importer.Standard);
            Assert.Null(importer.Disposable);
            Assert.NotNull(importer.BareClass);
        }

        public static void CompleteInitialization()
        {
            Assembly[] partsAssemblies;

            lock (_initLock)
            {
                if (_isInitialized)
                    return;

                _isInitialized = true;

                partsAssemblies = _partAssemblies.Union(FindWebApplicationAssemblies()).ToArray();
            }

            var conventions = new ConventionBuilder()
                .WithMvcConventions()
                .WithEagerConstructionSupport();

            conventions.ForTypesUnderNamespace("Parts").Export().ExportInterfaces();

            var container = new ContainerConfiguration()
                .WithDefaultConventions(conventions)
                .WithAssemblies(partsAssemblies)
                .WithApplicationSettings()
                .CreateContainer();

            MvcCompositionProvider.Initialize(container);
            CompositionFilterProvider.Install(FilterProviders.Providers);
            ImportCapableFilterAttributeFilterProvider.Install(FilterProviders.Providers);

            container.ConstructEagerParts();
        }

 public void QueryProviders(IEnumerable<Assembly> assemblies)
 {
     var configuration = new ContainerConfiguration().WithAssemblies(assemblies);
     using (var container = configuration.CreateContainer())
     {
         container.SatisfyImports(this);
     }
 }

 public void InitializeContainer(params Type[] parts)
 {
     var configuration = new ContainerConfiguration().WithParts(parts);
     using (CompositionHost host = configuration.CreateContainer())
     {
         host.SatisfyImports(_calcImport);
     }
 }

		public void Many()
		{
			var types = new[] { typeof(Implemented), typeof(AnotherImplemented) }.AsApplicationParts();
			var container = new ContainerConfiguration().WithParts( types.AsEnumerable() ).WithProvider( SingletonExportDescriptorProvider.Default ).CreateContainer();
			var exports = container.GetExports<ISingleton>().Fixed();
			Assert.Contains( Implemented.Default, exports );
			Assert.Contains( AnotherImplemented.Default, exports );
		}

        private CompositionContext CreateContainer(params Type[] types)
        {
            var configuration = new ContainerConfiguration()
                .WithParts(types)
                .WithProvider(new DictionaryExportDescriptorProvider());

            return configuration.CreateContainer();
        }

        private static IServiceLocator BuildLocator()
        {
            var configuration = new ContainerConfiguration();
            configuration.RegisterComponents(typeof(IFoo).Assembly);

            var container = configuration.CreateContainer();

            return new MefServiceLocator(container);
        }

 private CompositionHost GetContainer(IEnumerable<Assembly> assemblies)
 {
     var configuration = new ContainerConfiguration();
     foreach (var assembly in assemblies)
     {
         configuration.WithAssembly(assembly);
     }
     return configuration.CreateContainer();
 }

        public MainPage()
        {
            var containerConfiguration = new ContainerConfiguration().WithAssembly(typeof(App).GetTypeInfo().Assembly);
            CompositionHost host = containerConfiguration.CreateContainer();
            host.SatisfyImports(this);

            this.InitializeComponent();
            this.Loaded += MainPage_Loaded;
        }

        public void ProvidersCanDetectAbsenceOfAContractItSupports()
        {
            var container = new ContainerConfiguration()
                .WithProvider(new DefaultObjectExportDescriptorProvider())
                .CreateContainer();

            var o = container.GetExport<object>();
            Assert.Equal(DefaultObjectExportDescriptorProvider.DefaultObject, o);
        }

        public void AConcreteTypeWithDictionaryConstructorIsAMetadataView()
        {
            var cc = new ContainerConfiguration()
                        .WithPart<HasNameA>()
                        .CreateContainer();

            var hn = cc.GetExport<Lazy<HasNameA, DictionaryName>>();

            Assert.Equal("A", hn.Metadata.RetrievedName);
        }

        public void MetadataViewsCanCarryDefaultValues()
        {
            var cc = new ContainerConfiguration()
                        .WithPart<HasNoName>()
                        .CreateContainer();

            var hn = cc.GetExport<Lazy<HasNoName, OptionallyNamed>>();

            Assert.Equal("B", hn.Metadata.Name);
        }

        /// <summary>
        /// Singleton instance of the MEF catalog
        /// </summary>
        //public static CompositionContainer Container { get; set; }

        /// <summary>
        /// Static constructor responsible to create the MEF container
        /// </summary>
        static EV5MefContainer()
        {
            var configuration = new ContainerConfiguration()
    .WithAssembliesInPath(path, conventions);
           

            //var catalog = CatalogProvider.CurrentProvider.CreateCatalog();

            //Container = new CompositionContainer(catalog);
        }

 public void Bootstrapper()
 {
     var configuration = new ContainerConfiguration()
         .WithPart<Calculator>();
     using (CompositionHost host = configuration.CreateContainer())
     {
         // Calculator = host.GetExport<ICalculator>();
         host.SatisfyImports(this);
     }
 }

		public void Enumerable()
		{
			var parts = typeof(ExportedClass).Append( typeof(AnotherExportedClass) ).AsApplicationParts();
			var container = new ContainerConfiguration().WithParts( parts.AsEnumerable() ).CreateContainer();
			var exports = new ServiceLocator( container ).Get<IEnumerable<IExported>>( typeof(IEnumerable<IExported>) );
			var exported = exports.WhereAssigned().Fixed();
			Assert.Equal( 2, exported.Length );
			Assert.Single( exported.OfType<AnotherExportedClass>() );
			Assert.Single( exported.OfType<ExportedClass>() );
		}

        public void AConcreteTypeWithUnsupportedConstructorsCannotBeUsedAsAMetadataView()
        {
            var cc = new ContainerConfiguration()
                        .WithPart<HasNameA>()
                        .CreateContainer();

            var x = Assert.Throws<CompositionFailedException>(() => cc.GetExport<Lazy<HasNoName, InvalidConcreteView>>());

            Assert.Equal("The type 'InvalidConcreteView' cannot be used as a metadata view. A metadata view must be a concrete class with a parameterless or dictionary constructor.", x.Message);
        }