//删除
private static void Method04()
{
OperationResult result = _container.GetExportedValueOrDefault <ContainerIn>().UserContract.DeleteEntity("65128044");
Console.WriteLine(result.Message);
Console.WriteLine();
//有外键约束时不能删除
}
[ActiveIssue(25498, TestPlatforms.AnyUnix)] // System.Reflection.ReflectionTypeLoadException : Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.
public void TryToDiscoverExportWithGenericParameter()
{
var catalog = new AssemblyCatalog(typeof(AssemblyCatalogTests).Assembly);
var container = new CompositionContainer(catalog);
// Should find a type that inherits from an export
Assert.NotNull(container.GetExportedValueOrDefault <object>(AttributedModelServices.GetContractName(typeof(ExportWhichInheritsFromGeneric))));
// This should be exported because it is inherited by ExportWhichInheritsFromGeneric
Assert.NotNull(container.GetExportedValueOrDefault <object>(AttributedModelServices.GetContractName(typeof(ExportWithGenericParameter <string>))));
}
public void PropertyExportWithContractInferredTest()
{
TypeCatalog catalog = new TypeCatalog(typeof(PropertyExportWithContractInferred <,>));
CompositionContainer container = new CompositionContainer(catalog);
var export = container.GetExportedValueOrDefault <IExport <IFoo, IBar> >();
Assert.IsNotNull(export);
var export2 = container.GetExportedValueOrDefault <IExport <IBar, IFoo> >();
Assert.IsNotNull(export2);
}
public void SelfExportTest()
{
TypeCatalog catalog = new TypeCatalog(typeof(SelfExport <,>));
CompositionContainer container = new CompositionContainer(catalog);
var export = container.GetExportedValueOrDefault <IExport <IFoo, IBar> >();
Assert.IsNotNull(export);
var export2 = container.GetExportedValueOrDefault <IExport <IBar, IFoo> >();
Assert.IsNotNull(export2);
}
/// <summary>
/// Searches "Application Extensions" for and activates "*SplashScreen*.dll"
/// </summary>
/// <returns></returns>
public static ISplashScreenManager GetSplashScreenManager()
{
// This is a specific directory where a splash screen may be located.
string path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Application Extensions");
if (!Directory.Exists(path))
{
return(null);
}
string file = Directory.EnumerateFiles(path, "*SplashScreen*.dll").FirstOrDefault();
if (file == null)
{
return(null);
}
using (AggregateCatalog splashCatalog = new AggregateCatalog())
{
splashCatalog.Catalogs.Add(new AssemblyCatalog(file));
using (CompositionContainer splashBatch = new CompositionContainer(splashCatalog))
{
var splash = splashBatch.GetExportedValueOrDefault <ISplashScreenManager>();
if (splash != null)
{
splash.Activate();
}
return(splash);
}
}
}
private static void ComposeConnectionFactory()
{
try
{
using (var catalog = new DirectoryCatalog(AppDomain.CurrentDomain.BaseDirectory))
using (var container = new CompositionContainer(catalog))
{
var export = container.GetExportedValueOrDefault <IConnectionFactory>();
if (export != null)
{
Factory = export;
Console.WriteLine("Using {0}", Factory.GetType());
}
}
}
catch (ImportCardinalityMismatchException)
{
Console.WriteLine("More than one IConnectionFactory import was found.");
}
catch (Exception e)
{
Console.WriteLine(e);
}
if (Factory == null)
{
Factory = new DefaultConnectionFactory();
Console.WriteLine("Using default connection factory...");
}
}
public override T GetService <T>(Type type = null)
{
if (_disposeToken.IsDisposed)
{
return(null);
}
return(base.GetService <T>(type) ?? _compositionContainer.GetExportedValueOrDefault <T>());
}
/// <summary>
/// Tries to get an instance of the specified type with the optional specified contractName.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="contractName">Name of the contract.</param>
/// <returns></returns>
public static T TryGet <T>(string contractName = null)
{
CompositionContainer container = GlobalContainer;
using (__lock.ForWrite())
{
return(container.GetExportedValueOrDefault <T>(contractName));
}
}
protected override void OnStartup(object sender, StartupEventArgs e)
{
DisplayRootViewFor <IShell>();
RegisterApplicationCommandHandlers();
var pipeServiceBootstrapper = _container.GetExportedValueOrDefault <PipeServiceBootstrapper>();
pipeServiceBootstrapper?.Init();
}
private static T GetCustomProviderExport <T>(ISchemaProvider schemaProvider)
{
using (var assemblyCatalog = new AssemblyCatalog(schemaProvider.GetType().Assembly))
{
using (var container = new CompositionContainer(assemblyCatalog))
{
return(container.GetExportedValueOrDefault <T>());
}
}
}
/// <summary>
/// Tries to get an instance of the specified type with the optional specified contractName.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="contractName">Name of the contract.</param>
/// <returns></returns>
public static object TryGet(Type type, string contractName = null)
{
string contract = string.IsNullOrEmpty(contractName) ? AttributedModelServices.GetContractName(type) : contractName;
CompositionContainer container = GlobalContainer;
using (__lock.ForWrite())
{
return(container.GetExportedValueOrDefault <object>(contract));
}
}
private static Object GetCustomProviderExport <T>(Assembly assembly)
{
using (var assemblyCatalog = new AssemblyCatalog(assembly))
{
using (var container = new CompositionContainer(assemblyCatalog))
{
return(container.GetExportedValueOrDefault <T>());
}
}
}
public static T GetAdjacentComponent <T>(Type knownSiblingType)
{
using (var assemblyCatalog = new AssemblyCatalog(knownSiblingType.Assembly))
{
using (var container = new CompositionContainer(assemblyCatalog))
{
return(container.GetExportedValueOrDefault <T>());
}
}
}
/// <summary>
/// Injects a reference to the container into the container.
/// </summary>
/// <param name="container"></param>
/// <returns></returns>
public static CompositionContainer ConfigureContainer(CompositionContainer container)
{
Contract.Requires <ArgumentNullException>(container != null);
if (container.GetExportedValueOrDefault <ContainerRef>() == null)
{
container.WithExport <ContainerRef>(new ContainerRef(container));
}
return(container);
}
//get object method
public static T CreateObject <T>(string objectType)
{
try
{
return(_container?.GetExportedValueOrDefault <T>(objectType));
}
catch (Exception)
{
}
return(null);
}
public override T GetService <T>(Type type = null)
{
// Allow basic services even if disposed
var service = base.GetService <T>(type);
if (service == null && !_disposeToken.IsDisposed)
{
service = _compositionContainer.GetExportedValueOrDefault <T>();
}
return(service);
}
public void ExportFactoryCausesRejectionBasedOnCardinality()
{
var parentCatalog = new TypeCatalog(typeof(BarImpl));
var childCatalog = new TypeCatalog(typeof(FooImpl), typeof(Foo2Impl));
var scope = parentCatalog.AsScope(childCatalog.AsScope());
var container = new CompositionContainer(scope);
var bar = container.GetExportedValueOrDefault <IBarContract>();
Assert.Null(bar);
}
public object TryGetService(Type serviceType)
{
if (!Initialized)
{
return(null);
}
if (!initializingLogging && log.Factory.Configuration == null)
{
initializingLogging = true;
try
{
var logging = TryGetService <ILoggingConfiguration>();
logging.Configure();
}
catch
{
}
}
string contract = AttributedModelServices.GetContractName(serviceType);
var instance = AddToDisposables(tempContainer.GetExportedValueOrDefault <object>(contract));
if (instance != null)
{
return(instance);
}
instance = AddToDisposables(ExportProvider.GetExportedValues <object>(contract).FirstOrDefault(x => contract.StartsWith("github.", StringComparison.OrdinalIgnoreCase) ? x.GetType().Assembly.GetName().Version == currentVersion : true));
if (instance != null)
{
return(instance);
}
instance = serviceProvider.GetService(serviceType);
if (instance != null)
{
return(instance);
}
if (gitServiceProvider != null)
{
instance = gitServiceProvider.GetService(serviceType);
if (instance != null)
{
return(instance);
}
}
return(null);
}
/// <summary>
/// Called to request a service implementation.
///
/// Here we call upon MEF to instantiate implementations of dependencies.
/// </summary>
/// <param name="serviceType">Type of service requested.</param>
/// <returns>Service implementation or null.</returns>
public object GetService(Type serviceType)
{
if (serviceType == null)
{
throw new ArgumentNullException("serviceType");
}
var name = AttributedModelServices.GetContractName(serviceType);
var export = _container.GetExportedValueOrDefault <object>(name);
return(export);
}
public void SimpleChainWithLowerLoopRejection()
{
var parentCatalog = new TypeCatalog(typeof(BarImpl));
var childCatalog = new TypeCatalog(typeof(Foo3Impl));
var scope = parentCatalog.AsScope(childCatalog.AsScope());
var container = new CompositionContainer(scope);
var bar = container.GetExportedValueOrDefault <IBarContract>();
Assert.Null(bar);
}
private void SetupDefaultServices(CompositionContainer mefContainer)
{
if (mefContainer.GetExportedValueOrDefault <IResponseParser>() == null)
{
mefContainer.ComposeExportedValue <IResponseParser>(new ResponseParser());
}
if (mefContainer.GetExportedValueOrDefault <IBotServices>() == null)
{
mefContainer.ComposeExportedValue <IBotServices>(new SlackSendQueueService());
}
if (mefContainer.GetExportedValueOrDefault <IBotState>() == null)
{
mefContainer.ComposeExportedValue <IBotState>(new BotState());
}
if (mefContainer.GetExportedValueOrDefault <ISlackApi>() == null)
{
mefContainer.ComposeExportedValue <ISlackApi>(SlackApi.Create(this.apiKey));
}
if (mefContainer.GetExportedValueOrDefault <IBackOffStrategy>() == null)
{
mefContainer.ComposeExportedValue <IBackOffStrategy>(new BackOffRetry());
}
if (mefContainer.GetExportedValueOrDefault <ILog>() == null)
{
mefContainer.ComposeExportedValue <ILog>(LogManager.GetLogger(typeof(ISlackBot)));
}
}
public void CatalogSetup()
{
var catalog = new AggregateCatalog(new AssemblyCatalog(Assembly.GetExecutingAssembly()));
var genericCatalog = new GenericCatalog(catalog);
var container = new CompositionContainer(genericCatalog);
container.GetExportedValue <TEMP>().Say();
container.GetExportedValueOrDefault <IUMC <string> >();
container.GetExportedValueOrDefault <IUMC <int> >();
var res = container.GetExportedValueOrDefault <IEntityCacheViewModel <IVisitType> >();
container.GetExportedValueOrDefault <IUMC <IEntity <IId> > >().Say();
container.GetExportedValueOrDefault <IUMC <IEntity <IId> > >().Say();
container.GetExportedValueOrDefault <IUMC <string> >().Say();
container.GetExportedValue <ITwoInterface <int, string> >().Say();
container.GetExportedValue <ITwoInterface <string, int> >().Say();
Console.WriteLine("-------------------------");
var c = container.GetExports(typeof(IUMC <>), null, null);
Console.WriteLine(c.Count());
Console.ReadLine();
}
public void SelfExportWithClosedGenericImportTest()
{
TypeCatalog catalog = new TypeCatalog(typeof(SelfImport <>), typeof(OpenGenericPartWithClosedGenericImport <>));
CompositionContainer container = new CompositionContainer(catalog);
var export = container.GetExportedValueOrDefault <IExport <object> >();
Assert.IsNotNull(export);
OpenGenericPartWithClosedGenericImport <object> impl = export as OpenGenericPartWithClosedGenericImport <object>;
Assert.IsNotNull(impl);
Assert.IsNotNull(impl.ClosedImport);
}
public void SelfExportWithNakedLazyPropertyImportTest()
{
TypeCatalog catalog = new TypeCatalog(typeof(SelfExportWithNakedLazyPropertyImport <>), typeof(Foo));
CompositionContainer container = new CompositionContainer(catalog);
var export = container.GetExportedValueOrDefault <IExport <IFoo> >();
Assert.IsNotNull(export);
var partWithImport = export as IPartWithImport;
Assert.IsNotNull(partWithImport);
Assert.IsNotNull(partWithImport.GetValue());
}
public void SelfExportWithParameterImportTest()
{
TypeCatalog catalog = new TypeCatalog(typeof(SelfExportWithParameterImport <,>), typeof(SelfImport <,>));
CompositionContainer container = new CompositionContainer(catalog);
var export = container.GetExportedValueOrDefault <IExport <IFoo, IBar> >();
Assert.IsNotNull(export);
var partWithImport = export as IPartWithImport;
Assert.IsNotNull(partWithImport);
Assert.IsNotNull(partWithImport.GetValue());
}
private static void Main(string[] args)
{
var catalogs = new AggregateCatalog();
var catalog = new System.ComponentModel.Composition.Hosting.AssemblyCatalog(Assembly.GetExecutingAssembly());
catalogs.Catalogs.Add(catalog);
var sessionModel = new SessionModel(3);
var container = new CompositionContainer(catalog);
ISomeService someService = container.GetExportedValueOrDefault <ISomeService>(sessionModel.cname);
if (someService != null)
{
someService.DoSomething();
}
}
/// <summary>
/// 获取指定协定名的部件
/// </summary>
/// <typeparam name="TPart">要导出的部件类型</typeparam>
/// <param name="contractName">部件协定名</param>
/// <returns></returns>
public TPart GetPart <TPart>(string contractName)
{
try
{
TPart tmpResult;
if (string.IsNullOrEmpty(contractName))
{
tmpResult = com.GetExportedValueOrDefault <TPart>();
}
else
{
tmpResult = com.GetExportedValueOrDefault <TPart>(contractName);
}
if (tmpResult is TPart)
{
return((TPart)tmpResult);
}
}
catch (Exception ex)
{
LoggerManagerSingle.Instance.Error(ex);
}
return(default(TPart));
}
protected override void OnStartup(object sender, StartupEventArgs e)
{
DisplayRootViewFor <IShell>();
RegisterApplicationCommandHandlers();
#if (!DEBUG)
Task.Factory.StartNew(() =>
{
AppUpdateManager.Current.CheckForUpdates(false).ConfigureAwait(false);
});
#endif
var pipeServiceBootstrapper = _container.GetExportedValueOrDefault <PipeServiceBootstrapper>();
pipeServiceBootstrapper?.Init();
}
/// <summary>
/// Get a single object that exports the typeparam.
/// </summary>
/// <remarks>
/// If there are multiple objects that export the typeparam then the first one is
/// returned. There is no guarantee which object will be the first.
/// </remarks>
/// <typeparam name="T">An class type to find an export for.</typeparam>
/// <returns>
/// A constructed object of type T if a valid object is found. Otherwise null.
/// </returns>
public static T GetService <T>()
{
T retVal = default(T);
if (IsInitialized)
{
try
{
retVal = m_CompositionContainer.GetExportedValueOrDefault <T>();
}
catch (ImportCardinalityMismatchException)
{
retVal = m_CompositionContainer.GetExportedValues <T>().FirstOrDefault();
}
}
return(retVal);
}
public static TypeDescriptorServices GetTypeDescriptorServicesForContainer(CompositionContainer container)
{
if (container != null)
{
var result = container.GetExportedValueOrDefault <TypeDescriptorServices>();
if (result == null)
{
var v = new TypeDescriptorServices();
CompositionBatch batch = new CompositionBatch();
batch.AddPart(v);
container.Compose(batch);
return(v);
}
return(result);
}
return(null);
}
