记录共享和映射的诊断上下文 [英] Logging Commons and Mapped Diagnostic Context

问题描述

据我所知，Commons Logging 项目(适用于 .NET 和 Java)不支持映射或嵌套诊断上下文这一事实，其他人做了什么?

What have others done to get around the fact that the Commons Logging project (for both .NET and Java) do not support Mapped or Nested Diagnostic Contexts as far as I know?

推荐答案

为了完整起见，我最终编写了自己的非常简单的通用接口:

For the sake of completeness, I ended up writing my own very simple generic interface:

public interface IDiagnosticContextHandler
{
    void Set(string name, string value);
}

然后实现了一个 Log4Net 特定版本:

then implemented a Log4Net specific version:

public class Log4NetDiagnosticContextHandler : IDiagnosticContextHandler
{
    private readonly Assembly assembly;

    private readonly Type mdcType;

    public Log4NetDiagnosticContextHandler()
    {
        this.assembly = Assembly.Load("log4net");
        this.mdcType = this.assembly.GetType("log4net.MDC", true);
    }

    public void Set(string name, string value)
    {
        this.mdcType.InvokeMember("Set", BindingFlags.InvokeMethod, null, null, new object[] { name, value });
    }
}

然后我使用了一个 IoC 容器 (Spring.Net) 来引入正确的实现.如果以后需要不同的日志记录框架，只需编写该接口的不同实现并更改 IoC 配置即可.

I then used an IoC container (Spring.Net) to bring in the correct implementation. If a different logging framework was later required it'd be a simple matter of writing a different implementation of that interface changing the IoC configuration.

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