private void OnStateChange(CoordinatorState state)
{
_state = state;
if (StateChanged != null)
{
StateChanged(this, new CoordinatorStateChangedEventArgs(state));
}
}
private CoordinatorState CoordinatorStateToProto(PersistentShardCoordinator.State state)
{
var builder = CoordinatorState.CreateBuilder()
.AddRangeShards(state.Shards.Select(entry => CoordinatorState.Types.ShardEntry.CreateBuilder()
.SetShardId(entry.Key)
.SetRegionRef(Akka.Serialization.Serialization.SerializedActorPath(entry.Value))
.Build()))
.AddRangeRegions(state.Regions.Keys.Select(Akka.Serialization.Serialization.SerializedActorPath))
.AddRangeRegionProxies(state.RegionProxies.Select(Akka.Serialization.Serialization.SerializedActorPath))
.AddRangeUnallocatedShards(state.UnallocatedShards);
return(builder.Build());
}
private object CoordinatorStateFromBinary(byte[] binary)
{
using (var stream = Decompress(binary))
{
var state = CoordinatorState.ParseFrom(stream);
var shards = ImmutableDictionary.CreateRange(state.ShardsList.Select(entry => new KeyValuePair <string, IActorRef>(entry.ShardId, ResolveActorRef(entry.RegionRef))));
var regionsZero = ImmutableDictionary.CreateRange(state.RegionsList.Select(region => new KeyValuePair <IActorRef, IImmutableList <string> >(ResolveActorRef(region), ImmutableList <string> .Empty)));
var regions = shards.Aggregate(regionsZero, (acc, entry) => acc.SetItem(entry.Value, acc[entry.Value].Add(entry.Key)));
var proxies = state.RegionProxiesList.Select(ResolveActorRef).ToImmutableHashSet();
var unallocatedShards = state.UnallocatedShardsList.ToImmutableHashSet();
return(new PersistentShardCoordinator.State(
shards: shards,
regions: regions,
regionProxies: proxies,
unallocatedShards: unallocatedShards));
}
}
public CoordinatorStateChangedEventArgs(CoordinatorState state)
{
State = state;
}
