public IRequestHandler <I, O, S, C, A> GetHandler <I, O>(IRequest <I, O> request)
{
// get or initialise handler. Safe to cast because init is generic.
return(((IEnumerable <IRequestHandler <I, O, S, C, A> >)handlers
.GetOrAdd(RequestKey.ForRequest(request), key =>
{
return InitHandler <I, O>(key);
})).OrderBy(handler =>
{
RequestHandlerPriorityAttribute attr = handler.GetType().GetTypeInfo().GetCustomAttribute <RequestHandlerPriorityAttribute>();
return attr == null ? 0 : attr.Priority;
}).Where(handler => (handler is IConditionalHandler) ? ((IConditionalHandler)handler).CanHandle(request.Content) : true)
.First());
}
public IRequestHandler <I, O, S, C, A> GetHandler <I, O>(IRequest <I, O> request)
{
// get or initialise handler. Safe to cast because init is generic.
try
{
return(((IEnumerable <IRequestHandler <I, O, S, C, A> >)handlers
.GetOrAdd(RequestKey.ForRequest(request), key =>
{
return InitHandler <I, O>(key, false);
})).OrderBy(handler =>
{
RequestHandlerPriorityAttribute attr = handler.GetType().GetTypeInfo().GetCustomAttribute <RequestHandlerPriorityAttribute>();
return attr == null ? 0 : attr.Priority;
}).Where(handler => (handler is IConditionalHandler) ? ((IConditionalHandler)handler).CanHandle(request.Content) : true)
.First());
}
catch (InvalidOperationException e)
{
throw new ClientException($"No handler found for request {request.Namespace} {typeof(I).Name} {typeof(O).Name}", e);
}
}