public async Task <VisualObject> ReadAsync(CancellationToken cancellationToken)
{
VisualObject visualObject = null;
IReliableStateManager stateManager = ReliableCollectionsExtensions.GetReliableStateManager();
if (stateManager == null)
{
Console.WriteLine($"Failed to get StateManager");
return(VisualObject.CreateRandom(Guid.NewGuid().ToString()));
}
using (var txn = stateManager.CreateTransaction())
{
var visualObjectStore = await stateManager.GetOrAddAsync <IReliableDictionary <string, VisualObject> >(VISUAL_OBJECT_STORE);
var enumerable = await visualObjectStore.CreateEnumerableAsync(txn);
var enumerator = enumerable.GetAsyncEnumerator();
while (await enumerator.MoveNextAsync(cancellationToken))
{
visualObject = enumerator.Current.Value;
}
if (visualObject == null)
{
Console.WriteLine($"Visual object does not exist. Creating new object.");
visualObject = VisualObject.CreateRandom(Guid.NewGuid().ToString());
await visualObjectStore.AddAsync(txn, visualObject.Name, visualObject);
}
await txn.CommitAsync();
}
return(visualObject);
}
public async Task WriteAsync(VisualObject state, CancellationToken cancellationToken)
{
IReliableStateManager stateManager = ReliableCollectionsExtensions.GetReliableStateManager();
if (stateManager == null)
{
Console.WriteLine($"Failed to get StateManager");
return;
}
using (var txn = stateManager.CreateTransaction())
{
var visualObjectStore = await stateManager.GetOrAddAsync <IReliableDictionary <string, VisualObject> >(VISUAL_OBJECT_STORE);
await visualObjectStore.AddOrUpdateAsync(txn, state.Name, state, (k, v) => state);
await txn.CommitAsync();
}
}
static void Main(string[] args)
{
ReliableCollectionsExtensions.UseReliableCollectionsService("RCWorkerType");
Mover.MoveAsync(new RCStateStore(), CancellationToken.None).Wait();
}
