public void Setup()
{
var services = new ServiceCollection();
services.AddSingleton <A>();
services.AddSingleton <B>();
services.AddSingleton <C>();
_singletonSp = services.BuildServiceProvider();
services = new ServiceCollection();
services.AddScoped <A>();
services.AddScoped <B>();
services.AddScoped <C>();
_scopedSp = services.BuildServiceProvider().CreateScope();
services = new ServiceCollection();
services.AddTransient <A>();
services.AddTransient <B>();
services.AddTransient <C>();
_transientSp = services.BuildServiceProvider();
var containerBuilder = new ServiceContainerBuilder();
containerBuilder.AddSingleton <A>();
containerBuilder.AddSingleton <B>();
containerBuilder.AddSingleton <C>();
_singletonContainer = containerBuilder.Build();
containerBuilder = new ServiceContainerBuilder();
containerBuilder.AddScoped <A>();
containerBuilder.AddScoped <B>();
containerBuilder.AddScoped <C>();
_scopedRootContainer = containerBuilder.Build();
_scopedContainer = _scopedRootContainer.CreateScope();
containerBuilder = new ServiceContainerBuilder();
containerBuilder.AddTransient <A>();
containerBuilder.AddTransient <B>();
containerBuilder.AddTransient <C>();
_transientContainer = containerBuilder.Build();
}
public DependencyInjectionTest()
{
var containerBuilder = new ServiceContainerBuilder();
containerBuilder.AddSingleton <IConfiguration>(new ConfigurationBuilder().Build());
containerBuilder.AddScoped <IFly, MonkeyKing>();
containerBuilder.AddScoped <IFly, Superman>();
containerBuilder.AddScoped <HasDependencyTest>();
containerBuilder.AddScoped <HasDependencyTest1>();
containerBuilder.AddScoped <HasDependencyTest2>();
containerBuilder.AddScoped <HasDependencyTest3>();
containerBuilder.AddScoped(typeof(HasDependencyTest4 <>));
containerBuilder.AddTransient <WuKong>();
containerBuilder.AddScoped <WuJing>(serviceProvider => new WuJing());
containerBuilder.AddSingleton(typeof(GenericServiceTest <>));
_container = containerBuilder.Build();
}
public static void BuiltInIocTest()
{
IServiceContainerBuilder containerBuilder = new ServiceContainerBuilder();
containerBuilder.AddSingleton <IConfiguration>(new ConfigurationBuilder()
.AddJsonFile("appsettings.json")
.Build()
);
containerBuilder.AddScoped <IFly, MonkeyKing>();
containerBuilder.AddScoped <IFly, Superman>();
containerBuilder.AddScoped <HasDependencyTest>();
containerBuilder.AddScoped <HasDependencyTest1>();
containerBuilder.AddScoped <HasDependencyTest2>();
containerBuilder.AddScoped <HasDependencyTest3>();
containerBuilder.AddScoped(typeof(HasDependencyTest4 <>));
containerBuilder.AddTransient <WuKong>();
containerBuilder.AddScoped <WuJing>(serviceProvider => new WuJing());
containerBuilder.AddSingleton(typeof(GenericServiceTest <>));
containerBuilder.RegisterAssemblyModules();
using (var container = containerBuilder.Build())
{
var idGenerator = container.ResolveRequiredService <IIdGenerator>();
Console.WriteLine(idGenerator.NewId());
var rootConfig = container.ResolveService <IConfiguration>();
//try
//{
// container.ResolveService<IFly>();
//}
//catch (Exception e)
//{
// Console.WriteLine(e);
//}
using (var scope = container.CreateScope())
{
var config = scope.ResolveService <IConfiguration>();
var fly1 = scope.ResolveService <IFly>();
var fly2 = scope.ResolveService <IFly>();
var wukong1 = scope.ResolveService <WuKong>();
var wukong2 = scope.ResolveService <WuKong>();
var wuJing1 = scope.ResolveService <WuJing>();
var wuJing2 = scope.ResolveService <WuJing>();
Console.WriteLine("fly1 == fly2, {0}", fly1 == fly2);
Console.WriteLine("rootConfig == config, {0}", rootConfig == config);
Console.WriteLine("wukong1 == wukong2, {0}", wukong1 == wukong2);
Console.WriteLine("wujing1 == wujing2, {0}", wuJing1 == wuJing2);
fly1.Fly();
wukong1.Jump();
wukong2.Jump();
wuJing1.Eat();
var s0 = scope.ResolveRequiredService <HasDependencyTest>();
s0.Test();
Console.WriteLine($"s0._fly == fly1 : {s0._fly == fly1}");
var s1 = scope.ResolveService <HasDependencyTest1>();
s1.Test();
var s2 = scope.ResolveService <HasDependencyTest2>();
s2.Test();
var s3 = scope.ResolveService <HasDependencyTest3>();
s3.Test();
var s4 = scope.ResolveService <HasDependencyTest4 <string> >();
s4.Test();
using (var innerScope = scope.CreateScope())
{
var config2 = innerScope.ResolveRequiredService <IConfiguration>();
Console.WriteLine("rootConfig == config2, {0}", rootConfig == config2);
var fly3 = innerScope.ResolveRequiredService <IFly>();
fly3.Fly();
}
var number = config.GetAppSetting <int>("Number");
Console.WriteLine(number);
var flySvcs = scope.ResolveServices <IFly>();
foreach (var f in flySvcs)
{
f.Fly();
}
}
var genericService1 = container.ResolveRequiredService <GenericServiceTest <int> >();
genericService1.Test();
var genericService2 = container.ResolveRequiredService <GenericServiceTest <string> >();
genericService2.Test();
}
}
public static IServiceContainer BuildFluentAspectsContainer(this IServiceContainerBuilder serviceCollection,
Action <FluentAspectOptions> optionsAction,
Action <IFluentAspectsServiceContainerBuilder> aspectBuildAction = null,
Expression <Func <Type, bool> > ignoreTypesFilter = null)
{
var services = new ServiceContainerBuilder();
var aspectBuilder = null != optionsAction
? serviceCollection.AddFluentAspects(optionsAction)
: serviceCollection.AddFluentAspects();
aspectBuildAction?.Invoke(aspectBuilder);
Expression <Func <Type, bool> > ignoreTypesExpression = t => "WeihanLi.Common.Aspect".Equals(t.Namespace);
if (null != ignoreTypesFilter)
{
ignoreTypesExpression = ignoreTypesExpression.Or(ignoreTypesFilter);
}
var ignoreTypesPredicate = ignoreTypesExpression.Compile();
using (var serviceProvider = serviceCollection.Build())
{
var proxyTypeFactory = serviceProvider.ResolveRequiredService <IProxyTypeFactory>();
foreach (var descriptor in serviceCollection)
{
if (descriptor.ServiceType.IsSealed ||
descriptor.ServiceType.IsNotPublic ||
descriptor.ServiceType.IsGenericTypeDefinition
)
{
services.Add(descriptor);
continue;
}
if (ignoreTypesPredicate(descriptor.ServiceType))
{
services.Add(descriptor);
continue;
}
if (descriptor.ImplementType != null)
{
if (descriptor.ImplementType.IsNotPublic ||
descriptor.ImplementType.IsProxyType()
)
{
services.Add(descriptor);
continue;
}
if (descriptor.ServiceType.IsClass &&
descriptor.ImplementType.IsSealed)
{
services.Add(descriptor);
continue;
}
if (descriptor.ServiceType.IsGenericTypeDefinition ||
descriptor.ImplementType.IsGenericTypeDefinition)
{
var proxyType = proxyTypeFactory.CreateProxyType(descriptor.ServiceType, descriptor.ImplementType);
services.Add(new ServiceDefinition(descriptor.ServiceType, proxyType,
descriptor.ServiceLifetime));
continue;
}
}
Func <IServiceProvider, object> serviceFactory = null;
if (descriptor.ImplementationInstance != null)
{
if (descriptor.ImplementationInstance.GetType().IsPublic)
{
serviceFactory = provider => provider.ResolveRequiredService <IProxyFactory>()
.CreateProxyWithTarget(descriptor.ServiceType, descriptor.ImplementationInstance);
}
}
else if (descriptor.ImplementType != null)
{
serviceFactory = provider =>
{
var proxy = provider.ResolveRequiredService <IProxyFactory>()
.CreateProxy(descriptor.ServiceType, descriptor.ImplementType);
return(proxy);
};
}
else if (descriptor.ImplementationFactory != null)
{
serviceFactory = provider =>
{
var implement = descriptor.ImplementationFactory(provider);
if (implement == null)
{
return(null);
}
var implementType = implement.GetType();
if (implementType.IsNotPublic ||
implementType.IsProxyType())
{
return(implement);
}
return(provider.ResolveRequiredService <IProxyFactory>()
.CreateProxyWithTarget(descriptor.ServiceType, implement));
};
}
if (null != serviceFactory)
{
services.Add(new ServiceDefinition(descriptor.ServiceType, serviceFactory,
descriptor.ServiceLifetime));
}
else
{
services.Add(descriptor);
}
}
}
var container = services.Build();
DependencyResolver.SetDependencyResolver(container);
return(container);
}
public static IServiceContainer BuildFluentAspectsContainer(this IServiceContainerBuilder serviceCollection,
Action <FluentAspectOptions> optionsAction,
Action <IFluentAspectsServiceContainerBuilder> aspectBuildAction = null,
Func <Type, bool> ignoreTypesPredict = null)
{
var services = new ServiceContainerBuilder();
var aspectBuilder = null != optionsAction
? services.AddFluentAspects(optionsAction)
: services.AddFluentAspects();
aspectBuildAction?.Invoke(aspectBuilder);
foreach (var descriptor in serviceCollection)
{
if (ignoreTypesPredict?.Invoke(descriptor.ServiceType) == true)
{
services.Add(descriptor);
continue;
}
if (descriptor.ServiceType.IsSealed ||
descriptor.ImplementType.IsProxyType() ||
(descriptor.ServiceType.IsClass && (descriptor.ImplementType?.IsSealed == true || descriptor.ImplementType?.IsPublic == false)))
{
services.Add(descriptor);
}
else
{
Func <IServiceProvider, object> serviceFactory = null;
if (descriptor.ImplementationInstance != null)
{
serviceFactory = provider => provider.ResolveRequiredService <IProxyFactory>()
.CreateProxyWithTarget(descriptor.ServiceType, descriptor.ImplementationInstance);
}
else if (descriptor.ImplementationFactory != null)
{
serviceFactory = provider =>
{
var implement = descriptor.ImplementationFactory(provider);
if (implement?.GetType().IsProxyType() == true)
{
return(implement);
}
return(provider.ResolveRequiredService <IProxyFactory>()
.CreateProxyWithTarget(descriptor.ServiceType, implement));
};
}
else if (descriptor.ImplementType != null)
{
serviceFactory = provider => provider.ResolveRequiredService <IProxyFactory>()
.CreateProxy(descriptor.ServiceType, descriptor.ImplementType);
}
if (null != serviceFactory)
{
services.Add(new ServiceDefinition(descriptor.ServiceType, serviceFactory,
descriptor.ServiceLifetime));
}
else
{
services.Add(descriptor);
}
}
}
var container = services.Build();
DependencyResolver.SetDependencyResolver(container);
return(container);
}