CommandHandlerDescriptor ICommandHandlerSelector.SelectHandler(CommandHandlerRequest request)
{
CommandHandlerDescriptor handlerDescriptor = null;
this.traceWriter.TraceBeginEnd(
request,
TraceCategories.HandlersCategory,
TraceLevel.Info,
this.innerSelector.GetType().Name,
SelectActionMethodName,
beginTrace: null,
execute: () => handlerDescriptor = this.innerSelector.SelectHandler(request),
endTrace: tr =>
{
tr.Message = Error.Format(
Resources.TraceHandlerSelectedMessage,
FormattingUtilities.HandlerDescriptorToString(handlerDescriptor));
},
errorTrace: null);
// Intercept returned HttpActionDescriptor with a tracing version
if (handlerDescriptor != null && !(handlerDescriptor is CommandHandlerDescriptorTracer))
{
return(new CommandHandlerDescriptorTracer(handlerDescriptor, this.traceWriter));
}
return(handlerDescriptor);
}
/// <summary>
/// The on command executing.
/// </summary>
/// <param name="handlerContext">
/// The handler context.
/// </param>
public override void OnCommandExecuting(CommandHandlerContext handlerContext)
{
if (handlerContext == null)
{
throw Error.ArgumentNull("handlerContext");
}
this.traceWriter.TraceBeginEnd(
handlerContext.Request,
TraceCategories.FiltersCategory,
TraceLevel.Info,
this.innerFilter.GetType().Name,
OnCommandExecutingMethodName,
beginTrace: tr =>
{
tr.Message = Error.Format(Resources.TraceActionFilterMessage, FormattingUtilities.HandlerDescriptorToString(handlerContext.Descriptor));
},
execute: () => this.innerFilter.OnCommandExecuting(handlerContext),
endTrace: null,
errorTrace: null);
}