SpringBoot的注解注入功能移植到.Net平台（开源）

发布日期：2021-05-09 09:07:56 浏览次数：15 分类：博客文章

本文共 10102 字，大约阅读时间需要 33 分钟。

��java��kotlin�� SpringBoot��DI�� net��

��

��netcore2.0 + framework4.6+

NUGET�� Install-Package Autofac.Annotation

��autofac��

Component��DI��

Configuration��Bean��DI��

PropertySource��Value��DI��

Autowired��

��java��spring��

var builder = new ContainerBuilder();// ������autofac���������������builder.RegisterModule(new AutofacAnnotationModule(typeof(AnotationTest).Assembly));//������������������������������������//builder.RegisterModule(new AutofacAnnotationModule(typeof(AnotationTest).Assembly).SetAllowCircularDependencies(true));var container = builder.Build();var serviceB = container.Resolve();

AutofacAnnotationModule��

��Assebly�� Assebly��

��AsseblyName�� (��AsseblyName��Assebly ��)

Component��

��class��(��class) ��autofac��

�� builder.RegisterType

//���class A ���������������[Component]public class A{	public string Name { get; set; }}//������ A������������������������������ ������������������(���������public���������autofac������������������������������)public interface IB{}	public class ParentB:IB{	public string Name1 { get; set; }}//���class B ��������������� ��������� B������ParentB��������������� ���������B������IB���������������[Component]public class B:ParentB{	public string Name { get; set; }}

��Scope [��AutofacScope�� AutofacScope.InstancePerDependency]

[Component(AutofacScope = AutofacScope.SingleInstance)]    public class A    {        public string Name { get; set; }    }

�� builder.RegisterType<A6>().As()

public class B    {    }	    [Component(typeof(B))]    public class A6:B    {    }

�� builder.RegisterType<A6>().Keyed<A4>("a4")

[Component("a4")]    public class A4    {        public string School { get; set; } = "������2";    }

��

OrderIndex �� OrderIndex��(��autofac��)��

InjectProperties �� true��

Autowired ��Autowired��

Ownership ��

Interceptor ��Type

InterceptorType �� Castle.DynamicProxy�� IInterceptor ��
1. Interface ��
2. Class ��class�� virtual

InterceptorKey �� Key

InitMethod �� Spring��init-method ��(��1��IComponentContext)��

DestroyMetnod ��Release�� Spring��destroy-method ��

[Component(InitMethod = "start",DestroyMetnod = "destroy")]    public class A30    {        [Value("aaaaa")]        public string Test { get; set; }        public A29 a29;        void start(IComponentContext context)        {            this.Test = "bbbb";            a29 = context.Resolve
    
     ();        }        void destroy()        {            this.Test = null;            a29.Test = null;        }    }

public class B    {    }	    [Component(typeof(B),"a5")]    public class A5:B    {        public string School { get; set; } = "������a5";        public override string GetSchool()        {            return this.School;        }    }

Autowired ��

��Field Property ��Parameter�� Field �� Property ��

[Component]    public class A16    {	public A16([Autowired]A21 a21)        {            Name = name;            A21 = a21;        }		        [Autowired("A13")]        public B b1;        [Autowired]        public B B { get; set; }			//Required���������true ������������������������������������������������������false���������������	[Autowired("adadada",Required = false)]        public B b1;    }

Value �� PropertySource

PropertySource��Spring��PropertySource �� xml json��

json��

{  "a10": "aaaaaaaaa1",  "list": [ 1, 2, 3 ],  "dic": {    "name": "name1"  },  "testInitField": 1,  "testInitProperty": 1,}

[Component]    [PropertySource("/file/appsettings1.json")]    public class A10    {        public A10([Value("#{a10}")]string school,[Value("#{list}")]List
    
      list,[Value("#{dic}")]Dictionary
     
       dic)        {            this.School = school;            this.list = list;            this.dic = dic;        }        public string School { get; set; }        public List
      
        list { get; set; }         public Dictionary
       
         dic { get; set; } 			[Value("#{testInitField}")]        public int test;			[Value("#{testInitProperty}")]        public int test2 { get; set; }			//���������������������	[Value("2")]	public int test3 { get; set; }    }

xml��

[Component]    [PropertySource("/file/appsettings1.xml")]    public class A11    {        public A11([Value("#{a11}")]string school,[Value("#{list}")]List
    
      list,[Value("#{dic}")]Dictionary
     
       dic)        {            this.School = school;            this.list = list;            this.dic = dic;        }        public string School { get; set; }        public List
      
        list { get; set; }         public Dictionary
       
         dic { get; set; }     }

��PropertySource�� appsettings.json��

AutoConfiguration�� Bean��

[AutoConfiguration]    public class TestConfiguration    {        //Bean������������������AutoConfiguration���������������������������������������	//���������������������        [Bean]        private ITestModel4 getTest5()        {            return new TestModel4            {                Name = "getTest5"            };        }    }

��build�� AutoConfiguration��class��Bean�� AutoConfiguration��class��

AutoConfiguration��

OrderIndex ��OrderIndex��

Key ��Key��

��Key = ��test�� AutoConfiguration��class (new AutofacAnnotationModule(typeof(AnotationTest).Assembly).SetAutofacConfigurationKey("test"));

Bean��

Key ��Key�� Key��

AutofacAnnotation��autofac��

public class AutofacAutowiredResolveBenchmark    {        private IContainer _container;        [GlobalSetup]        public void Setup()        {            var builder = new ContainerBuilder();            builder.RegisterType
    
     ().As
     ().WithAttributeFiltering();            builder.RegisterType
      
       ().As
       
        ();            builder.RegisterType
        
         ().Keyed
         
          ("log2"); builder.RegisterType
          
           ().WithAttributeFiltering().PropertiesAutowired(); builder.RegisterType
           
            ().As
            
             ().WithAttributeFiltering().PropertiesAutowired().EnableInterfaceInterceptors() .InterceptedBy(typeof(AsyncInterceptor)); builder.RegisterType
             
              ().WithAttributeFiltering().PropertiesAutowired().EnableClassInterceptors() .InterceptedBy(new KeyedService("log2", typeof(AsyncInterceptor))); _container = builder.Build(); } [Benchmark] public void Autofac() { var a1 = _container.Resolve
              
               (); var a2= a1.A23.GetSchool(); } }

BenchmarkDotNet=v0.11.3, OS=Windows 10.0.18362Intel Core i7-7700K CPU 4.20GHz (Kaby Lake), 1 CPU, 8 logical and 4 physical cores.NET Core SDK=2.2.300  [Host]     : .NET Core 2.1.13 (CoreCLR 4.6.28008.01, CoreFX 4.6.28008.01), 64bit RyuJIT  [AttachedDebugger]  DefaultJob : .NET Core 2.1.13 (CoreCLR 4.6.28008.01, CoreFX 4.6.28008.01), 64bit RyuJIT

Method	Mean	Error	StdDev
Autofac	30.30 us	0.2253 us	0.1997 us

//���������������   public class AutowiredResolveBenchmark    {        private IContainer _container;                [GlobalSetup]        public void Setup()        {            var builder = new ContainerBuilder();            builder.RegisterModule(new AutofacAnnotationModule(typeof(A13).Assembly));            _container = builder.Build();        }                [Benchmark]        public void AutofacAnnotation()        {            var a1 = _container.Resolve
    
     ();            var a2= a1.A23.GetSchool();        }    }

BenchmarkDotNet=v0.11.3, OS=Windows 10.0.18362Intel Core i7-7700K CPU 4.20GHz (Kaby Lake), 1 CPU, 8 logical and 4 physical cores.NET Core SDK=2.2.300  [Host]     : .NET Core 2.1.13 (CoreCLR 4.6.28008.01, CoreFX 4.6.28008.01), 64bit RyuJIT  [AttachedDebugger]  DefaultJob : .NET Core 2.1.13 (CoreCLR 4.6.28008.01, CoreFX 4.6.28008.01), 64bit RyuJIT

Method	Mean	Error	StdDev
AutofacAnnotation	35.36 us	0.1504 us	0.1407 us

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