public void Invalidate()
{
Dictionary <ICommand, ICommandProvider> commands = new Dictionary <ICommand, ICommandProvider>();
//first register from config
foreach (var command in configuration.Get <CommandProviderProxyConfig>().Commands)
{
if (!command.IsEnabled)
{
continue;
}
var providerName = command.Provider.Split('/')[0];
var originalCommandName = command.Provider.Split('/')[1];
var provider = GetProvider(providerName);
var providerCommand = provider?.Commands.FirstOrDefault(c
=> c.Name.Equals(originalCommandName,
StringComparison.OrdinalIgnoreCase));
if (providerCommand == null)
{
continue;
}
commands.Add(new ProxyCommand(providerCommand, command.Name), provider);
}
//now register from serivces and override if required
foreach (var proxy in ProxiedServices)
{
IEnumerable <ICommand> proxyCommands;
try
{
proxyCommands = proxy.Commands;
if (proxyCommands == null)
{
continue;
}
}
catch (Exception ex)
{
logger.LogWarning("Failed to get commands from provider: " + proxy.ServiceName, ex);
continue;
}
foreach (var command in proxyCommands)
{
ICommand previousRegistration = null;
ICommandProvider previousProvider = null;
foreach (ICommand c in commands.Keys)
{
if ((c as ProxyCommand)?.BaseCommand?.Name?.Equals(command.Name, StringComparison.OrdinalIgnoreCase) ?? false || c.Name.Equals(command.Name, StringComparison.OrdinalIgnoreCase))
{
previousRegistration = c;
previousProvider = commands[c];
break;
}
}
if (((previousRegistration as ProxyCommand)?.BaseCommand ?? previousRegistration) == command)
{
continue;
}
if (previousProvider != null)
{
var currentPriority = ServicePriorityComparer.GetPriority(proxy);
var previousPriority = ServicePriorityComparer.GetPriority(previousProvider);
if (currentPriority < previousPriority)
{
continue; // dont override if priority is lower
}
}
if (previousRegistration != null)
{
commands.Remove(previousRegistration);
}
commands.Add(command, proxy);
}
}
registeredCommands = commands.Keys;
IEnumerable <ConfigCommandProxy> configCommands =
registeredCommands.Select(c => GetProxyCommand(c, commands[c]));
configuration.Set(new CommandProviderProxyConfig {
Commands = configCommands.ToArray()
});
configuration.SaveAsync().GetAwaiter().GetResult();
}
public void Emit(IEventEmitter sender, IEvent @event, EventExecutedCallback callback = null)
{
if (!sender.IsAlive)
{
return;
}
if (sender == null)
{
throw new ArgumentNullException(nameof(sender));
}
if (@event == null)
{
throw new ArgumentNullException(nameof(@event));
}
string eventNameString = "[" + string.Join(", ", @event.Names.ToArray()) + "]" + " by \"" + sender.Name + "\"";
string primaryName = @event.Names.First();
logger?.LogTrace(eventNameString + ": Emitting.");
inProgress.Add(@event);
List <EventAction> actions =
eventListeners
.Where(c => c.TargetEventType?.IsInstanceOfType(@event)
?? @event.Names.Any(d => c.TargetEventNames.Any(e => d.Equals(e, StringComparison.OrdinalIgnoreCase))) &&
c.Owner.IsAlive)
.ToList();
actions.Sort((a, b) => ServicePriorityComparer.Compare(a.Handler.Priority, b.Handler.Priority));
List <EventAction> targetActions =
(from info in actions
/* ignore cancelled events */
where !(@event is ICancellableEvent) ||
!((ICancellableEvent)@event).IsCancelled ||
info.Handler.IgnoreCancelled
where CheckEmitter(info, sender.Name, @event.IsGlobal)
where CheckEvent(info, @event.Names)
select info)
.ToList();
void FinishEvent()
{
logger?.LogTrace(eventNameString + ": Finished.");
inProgress.Remove(@event);
callback?.Invoke(@event);
}
if (targetActions.Count == 0)
{
logger?.LogTrace(eventNameString + ": No listeners found.");
FinishEvent();
return;
}
container.TryResolve(null, out ITaskScheduler scheduler);
if (scheduler == null && @event.ExecutionTarget != EventExecutionTargetContext.Sync)
{
FinishEvent();
return;
}
int executionCount = 0;
foreach (EventAction info in targetActions)
{
ILifecycleObject pl = info.Owner;
if (scheduler == null)
{
info.Action.Invoke(sender, @event);
continue;
}
scheduler.ScheduleUpdate(pl, () =>
{
executionCount++;
info.Action.Invoke(sender, @event);
//all actions called; run OnEventExecuted
if (executionCount == targetActions.Count)
{
FinishEvent();
}
}, primaryName + "EmitTask", (ExecutionTargetContext)@event.ExecutionTarget);
}
if (scheduler == null)
{
FinishEvent();
}
}
