| ClusterShardingStartAsync Method (String, Props, ClusterShardingSettings, IdExtractor, ShardResolver) |
Register a named entity type by defining the
Props of the entity actor and
functions to extract entity and shard identifier from messages. The
ShardRegion
actor for this type can later be retrieved with the
ShardRegion(String) method.
Namespace:
Akka.Cluster.Sharding
Assembly:
Akka.Cluster.Sharding (in Akka.Cluster.Sharding.dll) Version: 1.2.3.129 (1.2.3.129)
Syntax public Task<IActorRef> StartAsync(
string typeName,
Props entityProps,
ClusterShardingSettings settings,
IdExtractor idExtractor,
ShardResolver shardResolver
)
member StartAsync :
typeName : string *
entityProps : Props *
settings : ClusterShardingSettings *
idExtractor : IdExtractor *
shardResolver : ShardResolver -> Task<IActorRef>
Parameters
- typeName
- Type: SystemString
The name of the entity type - entityProps
- Type: Akka.ActorProps
The Props of the entity actors that will be created by the ShardRegion - settings
- Type: Akka.Cluster.ShardingClusterShardingSettings
Configuration settings, see ClusterShardingSettings - idExtractor
- Type: Akka.Cluster.ShardingIdExtractor
Partial function to extract the entity id and the message to send to the entity from the incoming message,
if the partial function does not match the message will be `unhandled`,
i.e.posted as `Unhandled` messages on the event stream
- shardResolver
- Type: Akka.Cluster.ShardingShardResolver
Function to determine the shard id for an incoming message, only messages that passed the `extractEntityId` will be used
Return Value
Type:
TaskIActorRefThe actor ref of the
ShardRegion that is to be responsible for the shard.
See Also