protected override void OnMessageReceived(Envelope <ICommand> envelope)
{
var commandType = envelope.Body.GetType();
var traceInfo = (TraceInfo)envelope.Items[StandardMetadata.TraceInfo];
var handlerDescriptor = GetHandlerDescriptors(commandType).First();
var methodInvocation = new MethodInvocation(handlerDescriptor.Target, handlerDescriptor.Method, CreateParameters(handlerDescriptor.HandlerStyle, commandType, envelope));
methodInvocation.InvocationContext[StandardMetadata.TraceInfo] = traceInfo;
methodInvocation.InvocationContext[StandardMetadata.MessageId] = envelope.MessageId;
try {
var methodReturn = _pipelineManager.GetPipeline(handlerDescriptor.Method).Invoke(methodInvocation,
delegate(IMethodInvocation input, GetNextHandlerDelegate getNext) {
handlerDescriptor.Invode(input.Arguments.Cast <object>().ToArray());
if (handlerDescriptor.HandlerStyle == HandlerStyle.Special)
{
((CommandContext)input.Arguments[0]).Commit();
return(input.CreateMethodReturn(CommandResult.CommandExecuted));
}
return(input.CreateMethodReturn(null));
});
NotifyResult(traceInfo, methodReturn.Exception ?? methodReturn.ReturnValue);
}
catch (Exception ex) {
NotifyResult(traceInfo, ex);
}
}
private void ExecutingQuery(HandlerDescriptor handlerDescriptor, Envelope <IQuery> envelope)
{
var traceInfo = (TraceInfo)envelope.Items[StandardMetadata.TraceInfo];
var methodInvocation = new MethodInvocation(handlerDescriptor.Target, handlerDescriptor.Method, envelope.Body);
methodInvocation.InvocationContext[StandardMetadata.TraceInfo] = traceInfo;
methodInvocation.InvocationContext[StandardMetadata.MessageId] = envelope.MessageId;
try {
var methodReturn = _pipelineManager.GetPipeline(handlerDescriptor.Method).Invoke(methodInvocation,
delegate(IMethodInvocation input, GetNextHandlerDelegate getNext) {
var result = handlerDescriptor.Invode(input.Arguments.Cast <object>().ToArray());
return(input.CreateMethodReturn(result));
});
NotifyResult(traceInfo, methodReturn.Exception ?? methodReturn.ReturnValue);
}
catch (Exception ex) {
NotifyResult(traceInfo, ex);
}
}