private async Task <PlacementResult> AddActivation(
PlacementTarget target,
IPlacementRuntime context,
PlacementStrategy strategy)
{
if (target.IsClient)
{
throw new InvalidOperationException("Client grains are not activated using the placement subsystem.");
}
var director = ResolveDirector(strategy);
var siloAddress = await director.OnAddActivation(strategy, target, context);
var grainTypeName = context.GetGrainTypeName(((LegacyGrainId)target.GrainIdentity).TypeCode);
ActivationId activationId;
if (strategy.IsDeterministicActivationId)
{
// Use the grain id as the activation id.
activationId = ActivationId.GetDeterministic(target.GrainIdentity);
}
else
{
activationId = ActivationId.NewId();
}
return(PlacementResult.SpecifyCreation(
siloAddress,
activationId,
strategy,
grainTypeName));
}
private async Task <PlacementResult> AddActivation(
PlacementTarget target,
IPlacementRuntime context,
PlacementStrategy strategy)
{
if (target.IsClient)
{
throw new InvalidOperationException("Client grains are not activated using the placement subsystem.");
}
var director = ResolveDirector(strategy);
return(PlacementResult.SpecifyCreation(
await director.OnAddActivation(strategy, target, context),
strategy,
context.GetGrainTypeName(target.GrainIdentity.TypeCode)));
}
private async ValueTask <PlacementResult> GetOrPlaceActivationAsync(
PlacementTarget target,
PlacementStrategy strategy,
IPlacementRuntime placementRuntime,
IActivationSelector selector,
IPlacementDirector director)
{
var placementResult = await selector.OnSelectActivation(strategy, target.GrainIdentity, placementRuntime);
if (placementResult is object)
{
return(placementResult);
}
var siloAddress = await director.OnAddActivation(strategy, target, placementRuntime);
string grainTypeName;
if (LegacyGrainId.TryConvertFromGrainId(target.GrainIdentity, out var legacyId))
{
grainTypeName = placementRuntime.GetGrainTypeName(legacyId.TypeCode);
}
else
{
grainTypeName = null;
}
ActivationId activationId;
if (strategy.IsDeterministicActivationId)
{
// Use the grain id as the activation id.
activationId = ActivationId.GetDeterministic(target.GrainIdentity);
}
else
{
activationId = ActivationId.NewId();
}
return(PlacementResult.SpecifyCreation(
siloAddress,
activationId,
strategy,
grainTypeName));
}
public static string GetGrainTypeName(this IPlacementRuntime @this, GrainId grainId, string genericArguments = null)
{
return(@this.GetGrainTypeName(grainId.TypeCode, genericArguments));
}
