public bool Merge(GrainId grain, IGrainInfo other)
{
bool modified = false;
foreach (var pair in other.Instances)
{
if (Instances.ContainsKey(pair.Key))
{
continue;
}
Instances[pair.Key] = new ActivationInfo(pair.Value.SiloAddress);
modified = true;
}
if (modified)
{
VersionTag = rand.Next();
}
if (SingleInstance && (Instances.Count > 0))
{
// Grain is supposed to be in single activation mode, but we have two activations!!
// Eventually we should somehow delegate handling this to the silo, but for now, we'll arbitrarily pick one value.
var orderedActivations = Instances.OrderBy(pair => pair.Key);
var activationToKeep = orderedActivations.First();
var activationsToDrop = orderedActivations.Skip(1);
Instances.Clear();
Instances.Add(activationToKeep.Key, activationToKeep.Value);
var list = new List <ActivationAddress>(1);
foreach (var activation in activationsToDrop.Select(keyValuePair => ActivationAddress.GetAddress(keyValuePair.Value.SiloAddress, grain, keyValuePair.Key)))
{
list.Add(activation);
CatalogFactory.GetSystemTarget(Constants.CatalogId, activation.Silo).
DeleteActivations(list).Ignore();
list.Clear();
}
return(true);
}
return(false);
}