public void HandleEvent(Any @event, IEventContext context)
{
Unwrap(() =>
{
var obj = AnySupport.Decode(@event);
if (!CurrentBehaviors
.Any(behavior => GetCachedBehaviorReflection(behavior)
.GetEventHandler(obj.GetType())
.Match(handler =>
{
var active = true;
var ctx = new EventBehaviorContext(context, behaviors =>
{
// ReSharper disable once AccessToModifiedClosure
if (!active)
{
throw new InvalidOperationException("Context is not active!");
}
CurrentBehaviors = ValidateBehaviors(behaviors).ToArray();
});
handler.Invoke(behavior, obj, ctx);
active = false;
return(true);
},
() => false)
)
)
{
throw new CloudStateException(
$"No event handler [{obj.GetType()}] found for any of the current behaviors: {BehaviorsString}");
}
});
}
public void HandleSnapshot(Any anySnapshot, ISnapshotContext context)
{
Unwrap(() =>
{
var snapshot = AnySupport.Decode(anySnapshot);
if (!CurrentBehaviors.Any(behavior => BehaviorReflectionCache.GetOrAdd(behavior.GetType())
.GetSnapshotHandler(snapshot.GetType())
.Match(handler =>
{
var active = true;
var ctx = new SnapshotBehaviorContext(context, behaviors =>
{
// TODO: Check sequence number override on this context is set correctly.
// ReSharper disable once AccessToModifiedClosure
if (!active)
{
throw new InvalidOperationException("Context is not active!");
}
CurrentBehaviors = ValidateBehaviors(behaviors).ToArray();
});
handler.Invoke(behavior, snapshot, ctx);
active = false;
return(true);
}, () => false))
)
{
throw new CloudStateException(
$"No snapshot handler found for snapshot [{snapshot.GetType()}] on any of the current behaviors [{BehaviorsString}]"
);
}
});
}
public Option <Any> HandleCommand(Any command, ICommandContext context)
{
return(Unwrap(() =>
{
// TODO: Need to refine this to be clear on the potential exception resulting from the cascading commandhandler / result lookup
var result = CurrentBehaviors
.Select(behavior => GetCachedBehaviorReflection(behavior)
.CommandHandlers[context.CommandName]
.Invoke(behavior, command, context))
.FirstOrDefault(x => x.HasValue);
if (!result.HasValue)
{
throw new CloudStateException(
$"No command handler found for command [{context.CommandName}] on any of the " +
$"current behaviors: {BehaviorsString}"
);
}
return result;
}));
}
