How to use MethodDecorator.Fody Decorator in another project

问题

I used Fody Nuget package as follows

1. Install package

   PM> Install-Package MethodDecorator.Fody
   

2. Decorate the method

   public class BusinessLayerClass
   {
       [LogMethod] 
       public string BusinessLayerMethod()
       {
           DataLayerClass dataLayerClass = new DataLayerClass();
          return  dataLayerClass.DataLayerMethod();
       }
   }
   

3. Write the interceptor

   using System;
   using System.Reflection;
   
   [module: LogMethod] // Attribute should be "registered" by adding as module or assembly custom attribute
   
   // Any attribute which provides OnEntry/OnExit/OnException with proper args
   [AttributeUsage(AttributeTargets.Method | AttributeTargets.Constructor | AttributeTargets.Assembly | AttributeTargets.Module)]
   public class LogMethodAttribute : Attribute, IMethodDecorator
   {
       private MethodBase _method;
   
       // instance, method and args can be captured here and stored in attribute instance fields
       // for future usage in OnEntry/OnExit/OnException
   
       public void Init(object instance, MethodBase method, object[] args)
       {
           _method = method;
       }
   
       public void OnEntry()
       {
           NLogging.Trace("Entering into {0}", _method.Name);
       }
   
       public void OnExit()
       {
           NLogging.Trace("Exiting into {0}", _method.Name);
       }
   
       public void OnException(Exception exception)
       {
           NLogging.Trace(exception, "Exception {0}", _method.Name);
       }
   }
   

---

This works fine within the same project but when I use the decorator [LogMethod] in another method in another project, this OnEntry(), OnExit(), OnException(Exception exception) methods do not fire.

For instance:

[LogMethod]
public void Another_Method_In_Seperate_Project()

I added a reference to the project where [LogMethod] is defined.

Could anyone please send me a way of using the same implementation in other projects without doing the implementation of LogMethodAttribute.cs (where this [LogMethod] is defined) in each and every project.

回答1:

You need to install MethodDecorator.Fody nuget package in the other project as well (along with dependencies). You will also need to add another FodyWeavers.xml in that project.

来源：https://stackoverflow.com/questions/49648179/how-to-use-methoddecorator-fody-decorator-in-another-project