城堡温莎 - 多个实现的接口

问题描述

在Castle Windsor中注册组件时，如何将接口的特定实现绑定到与该接口有依赖关系的组件上。我提前知道组件需要使用哪个实现。

例如，我创建了一个基于几个博客和教程中的代码的示例控制台应用程序。

以下是代码。

  public interface IReport 
 {
 void LogReport（）; 
} 
 
 public interface ILogger 
 {
 string Log（）; 
 
 
 public class FileLogger：ILogger 
 {
 public string Log（）
 {
 return将数据记录到文件; 
} 
} 
 
 public class DatabaseLogger：ILogger 
 {
 public string Log（）
 {
 return记录的数据到数据库 
} 
} 
 
 public class McAfeeService：IReport 
 {
 private readonly ILogger _logger; 
 
 public McAfeeService（ILogger logger）
 {
 this._logger = logger; 
} 
 
 public void LogReport（）
 {
 string getLogResult = this._logger.Log（）; 
 
 Console.WriteLine（McAfee Scan has+ getLogResult）; 
} 
} 
 
 public class NortonService：IReport 
 {
 private readonly ILogger _logger; 
 
 public NortonService（ILogger logger）
 {
 this._logger = logger; 
} 
 
 public void LogReport（）
 {
 string getLogResult = this._logger.Log（）; 
 
 Console.WriteLine（Norton Scan has+ getLogResult）; 
} 
} 
 
 class程序
 {
 private static IWindsorContainer container; 
 
 static void Main（string [] args）
 {
 //注册组件
 container = new WindsorContainer（）; 
 
 container.Register（Component.For< IReport>（）。ImplementedBy< NortonService>（））; 
 container.Register（Component.For< ILogger>（）。ImplementedBy< FileLogger>（））; 
 
 IReport service = container.Resolve< IReport>（）; 
 service.LogReport（）; 
 
 Console.ReadLine（）; 
} 
} 
  

我希望NortonService始终使用Filelogger和McAfeeService使用数据库记录器。

在上述程序中，我无法将NortonService绑定到FileLogger。

如何要做到这一点？

解决方案

上面的答案引导我进行内联依赖和功能

以下是注册码：

  container.Register（Component.For< IReport>（）。ImplementedBy< NortonService>（） .Named（ nortonService））; 
 
 container.Register（Component.For< ILogger>（）。ImplementedBy< FileLogger>（））; 
 container.Register（Component.For< ILogger>（）。ImplementedBy< DatabaseLogger>（））; 
 
 container.Register（
 Component.For< IReport>（）。ImplementedBy&McAfeeService>（）。Named（mcafeeService）
 .DependsOn（Dependency.OnComponent< ILogger ，DatabaseLogger>（））
）; 
 
 IReport mcafeescan = container.Resolve< IReport>（mcafeeService）; 
 mcafeescan.LogReport（）; 
 
 IReport nortonscan = container.Resolve< IReport>（nortonService）; 
 nortonscan.LogReport（）; 
  

输出：

  McAfee Scan已将记录的数据存储到数据库
 Norton Scan将已记录数据记录到文件
  

While registering components in Castle Windsor, how do we bind specific implementation of an interface to a component that has a dependency on that interface. I know in advance which implementation needs to be used by the component.

For example i created a sample console application based on code from several blogs and tutorials.

Following is the code.

public interface IReport
{
    void LogReport();
}

public interface ILogger
{
    string Log();
}

public class FileLogger : ILogger
{
    public string Log()
    {
        return "Logged data to a file";
    }
}

public class DatabaseLogger : ILogger
{
    public string Log()
    {
        return "Logged data to a database";
    }
}

public class McAfeeService : IReport
{
    private readonly ILogger _logger;

    public McAfeeService(ILogger logger)
    {
        this._logger = logger;
    }

    public void LogReport()
    {
        string getLogResult = this._logger.Log();

        Console.WriteLine("McAfee Scan has " + getLogResult);
    }
}

public class NortonService : IReport
{
    private readonly ILogger _logger;

    public NortonService(ILogger logger)
    {
        this._logger = logger;
    }

    public void LogReport()
    {
        string getLogResult = this._logger.Log();

        Console.WriteLine("Norton Scan has " + getLogResult);
    }
}

class Program
{
    private static IWindsorContainer container;

    static void Main(string[] args)
    {
        // Register components
        container = new WindsorContainer();

        container.Register(Component.For<IReport>().ImplementedBy<NortonService>());
        container.Register(Component.For<ILogger>().ImplementedBy<FileLogger>());

        IReport service = container.Resolve<IReport>();
        service.LogReport();

        Console.ReadLine();
    }
}

I would like NortonService to always use a Filelogger and McAfeeService to use a Database Logger.

In the above program i am unable to bind NortonService to FileLogger.

How to do it?

解决方案

The above answers lead me to inline dependencies and the feature service override

Here is the registration code:

container.Register(Component.For<IReport>().ImplementedBy<NortonService>().Named("nortonService"));

container.Register(Component.For<ILogger>().ImplementedBy<FileLogger>());
container.Register(Component.For<ILogger>().ImplementedBy<DatabaseLogger>());

container.Register(
    Component.For<IReport>().ImplementedBy<McAfeeService>().Named("mcafeeService")
        .DependsOn(Dependency.OnComponent<ILogger, DatabaseLogger>())
);

IReport mcafeescan = container.Resolve<IReport>("mcafeeService");
mcafeescan.LogReport();

IReport nortonscan = container.Resolve<IReport>("nortonService");
nortonscan.LogReport();

Output:

McAfee Scan has Logged data to a database
Norton Scan has Logged data to a file

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