Re: Passing parameters to HandleException

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Yes, Nick

I see your point.

I want to enjoy the app block library, but I also want to pass a param
that will enable my programmers to send their own message to my logging
system.
I guess I will probably implement my own Exception class that will be
inherited from exception, and include their option to add customized
messages to the Exception Handler, when I will probably cast them back
using inner Exception.

Gil.


Nick Malik [Microsoft] wrote:
> what would be the point of creating an implementation of a type if you don't
> intend to keep the same interface?
>
> The entire point of the Liskov Substitution Principle is that the framework
> (the Exception Handling Application Block) is not aware of which of the
> exception handlers it is using. They all have to behave in the same way.
> That includes yours.
>
> I haven't studied the block in detail. I assume that the ExceptionPolicy
> object provides the static call to HandleException. If so, you are using
> someone elses code to call yours. To do so, you have to conform to the
> interface imposed by that code.
>
> Do you see what I'm getting at?
>
> --
> --- Nick Malik [Microsoft]
> MCSD, CFPS, Certified Scrummaster
> http://blogs.msdn.com/nickmalik
>
> Disclaimer: Opinions expressed in this forum are my own, and not
> representative of my employer.
> I do not answer questions on behalf of my employer. I'm just a
> programmer helping programmers.
> --
> "Gil" <gil@xxxxxxxxxxx> wrote in message
> news:1121862656.166265.206260@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > Hi All.
> >
> > I am testing Microsoft Enterprise Library - June 2005 Exception
> > Handling, and I am trying to pass parameters to HandleException Method,
> > and recieve it in my implementation of the abstract class.
> > However, it seems that the HandleException can only implement:
> >
> > public abstract Exception HandleException(
> > Exception exception,
> > string policyName,
> > Guid handlingInstanceId
> > And that you can not add your own override implementation.
> >
> > Does some one knows if this doable and how ?
> >
> > What I tried to do is to implement the HandleException by adding more
> > parameters after the GUID parameter. The problem is that it would not
> > compile.
> >
> > Example
> >
> > void func(string strData)
> > {
> > try
> > {
> > ...
> > }
> > catch(Exception e)
> > {
> > ExceptionPolicy.HandleException(e,"DAL",strData);
> > }
> > }
> >

.

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