public ClusterShardingGuardian()
{
Receive <Start>(start =>
{
var settings = start.Settings;
var encName = Uri.EscapeDataString(start.TypeName);
var coordinatorSingletonManagerName = CoordinatorSingletonManagerName(encName);
var coordinatorPath = CoordinatorPath(encName);
var shardRegion = Context.Child(encName);
if (Equals(shardRegion, ActorRefs.Nobody))
{
var minBackoff = settings.TunningParameters.CoordinatorFailureBackoff;
var maxBackoff = new TimeSpan(minBackoff.Ticks * 5);
var coordinatorProps = PersistentShardCoordinator.Props(start.TypeName, settings, start.AllocationStrategy);
var singletonProps = Props.Create(() => new BackoffSupervisor(coordinatorProps, "coordinator", minBackoff, maxBackoff, 0.2)).WithDeploy(Deploy.Local);
var singletonSettings = settings.CoordinatorSingletonSettings.WithSingletonName("singleton").WithRole(settings.Role);
var shardCoordinatorSingleton = Context.ActorOf(ClusterSingletonManager.Props(singletonProps, PoisonPill.Instance, singletonSettings), coordinatorSingletonManagerName);
}
shardRegion = Context.ActorOf(ShardRegion.Props(
typeName: start.TypeName,
entityProps: start.EntityProps,
settings: settings,
coordinatorPath: coordinatorPath,
extractEntityId: start.IdExtractor,
extractShardId: start.ShardResolver,
handOffStopMessage: start.HandOffStopMessage), encName);
Sender.Tell(new Started(shardRegion));
});
Receive <StartProxy>(startProxy =>
{
var settings = startProxy.Settings;
var encName = Uri.EscapeDataString(startProxy.TypeName);
var coordinatorSingletonManagerName = CoordinatorSingletonManagerName(encName);
var coordinatorPath = CoordinatorPath(encName);
var shardRegion = Context.ActorOf(ShardRegion.ProxyProps(
typeName: startProxy.TypeName,
settings: settings,
coordinatorPath: coordinatorPath,
extractEntityId: startProxy.ExtractEntityId,
extractShardId: startProxy.ExtractShardId), encName);
Sender.Tell(new Started(shardRegion));
});
}
/// <summary>
/// TBD
/// </summary>
public ClusterShardingGuardian()
{
Receive <Start>(start =>
{
try
{
var settings = start.Settings;
var encName = Uri.EscapeDataString(start.TypeName);
var coordinatorSingletonManagerName = CoordinatorSingletonManagerName(encName);
var coordinatorPath = CoordinatorPath(encName);
var shardRegion = Context.Child(encName);
var replicator = Replicator(settings);
if (Equals(shardRegion, ActorRefs.Nobody))
{
if (Equals(Context.Child(coordinatorSingletonManagerName), ActorRefs.Nobody))
{
var minBackoff = settings.TunningParameters.CoordinatorFailureBackoff;
var maxBackoff = new TimeSpan(minBackoff.Ticks * 5);
var coordinatorProps = settings.StateStoreMode == StateStoreMode.Persistence
? PersistentShardCoordinator.Props(start.TypeName, settings, start.AllocationStrategy)
: DDataShardCoordinator.Props(start.TypeName, settings, start.AllocationStrategy, replicator, _majorityMinCap, settings.RememberEntities);
var singletonProps = BackoffSupervisor.Props(coordinatorProps, "coordinator", minBackoff, maxBackoff, 0.2).WithDeploy(Deploy.Local);
var singletonSettings = settings.CoordinatorSingletonSettings.WithSingletonName("singleton").WithRole(settings.Role);
Context.ActorOf(ClusterSingletonManager.Props(singletonProps, PoisonPill.Instance, singletonSettings).WithDispatcher(Context.Props.Dispatcher), coordinatorSingletonManagerName);
}
shardRegion = Context.ActorOf(ShardRegion.Props(
typeName: start.TypeName,
entityProps: start.EntityProps,
settings: settings,
coordinatorPath: coordinatorPath,
extractEntityId: start.ExtractEntityId,
extractShardId: start.ExtractShardId,
handOffStopMessage: start.HandOffStopMessage,
replicator: replicator,
majorityMinCap: _majorityMinCap).WithDispatcher(Context.Props.Dispatcher), encName);
}
Sender.Tell(new Started(shardRegion));
}
catch (Exception ex)
{
//TODO: JVM version matches NonFatal. Can / should we do something similar?
// don't restart
// could be invalid ReplicatorSettings, or InvalidActorNameException
// if it has already been started
Sender.Tell(new Status.Failure(ex));
}
});
Receive <StartProxy>(startProxy =>
{
try
{
var settings = startProxy.Settings;
var encName = Uri.EscapeDataString(startProxy.TypeName);
var coordinatorSingletonManagerName = CoordinatorSingletonManagerName(encName);
var coordinatorPath = CoordinatorPath(encName);
var shardRegion = Context.Child(encName);
var replicator = Replicator(settings);
if (Equals(shardRegion, ActorRefs.Nobody))
{
shardRegion = Context.ActorOf(ShardRegion.ProxyProps(
typeName: startProxy.TypeName,
settings: settings,
coordinatorPath: coordinatorPath,
extractEntityId: startProxy.ExtractEntityId,
extractShardId: startProxy.ExtractShardId,
replicator: replicator,
majorityMinCap: _majorityMinCap).WithDispatcher(Context.Props.Dispatcher), encName);
}
Sender.Tell(new Started(shardRegion));
}
catch (Exception ex)
{
//TODO: JVM version matches NonFatal. Can / should we do something similar?
// don't restart
// could be InvalidActorNameException if it has already been started
Sender.Tell(new Status.Failure(ex));
}
});
}
