/// <summary>
/// Call by web home page a lot: priority 0
/// </summary>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <ItemInfo[]> GetAuctionItemsAsync(CancellationToken cancellationToken)
{
var qm = new FabricClient().QueryManager;
// Get this service's partitions
var partitions = await qm.GetPartitionListAsync(m_serviceNameUri, null, TimeSpan.FromSeconds(4), cancellationToken);
// Get each partition's low key
var partitionKeys = from partition in partitions
select((Int64RangePartitionInformation)partition.PartitionInformation).LowKey;
// Simultaneously ask each partition for the auction items is has to sell
var tasks = new List <Task <ItemInfo[]> >();
foreach (var p in partitionKeys)
{
var resolver = m_partitionEndpointResolver.CreateSpecific(m_serviceNameUri.ToString(), p, c_endpointName);
var proxy = new InternetAuctionOperationProxy(resolver);
tasks.Add(proxy.GetAuctionItemsAsync(cancellationToken));
}
// Continue processing after every partition's auction items have come in
ItemInfo[][] partitionsItemInfos = await Task.WhenAll(tasks);
// Combine them all together sorting them by expiration
var results = (from partitionItemInfos in partitionsItemInfos
from itemInfo in partitionItemInfos
// where itemInfo.Expiration >= DateTime.UtcNow // Change this for Version 2
orderby itemInfo.Expiration
select itemInfo).ToArray();
return(results); // Return the set of auction items
}
private async Task <List <ActorInformation> > GetAllActors(Uri servicePath)
{
FabricClient.QueryClient query = new FabricClient().QueryManager;
List <long> partitions = new List <long>();
string continuation = null;
do
{
ServicePartitionList partitionList =
await query.GetPartitionListAsync(servicePath, continuation);
foreach (Partition item in partitionList)
{
ServicePartitionInformation info = item.PartitionInformation;
switch (info.Kind)
{
case ServicePartitionKind.Int64Range:
partitions.Add(((Int64RangePartitionInformation)info).LowKey);
break;
case ServicePartitionKind.Singleton:
partitions.Add(0L);
break;
default:
throw new InvalidOperationException(
string.Format(
"Unexpected partition kind. Found {0}, expected either Int64Range or Singleton",
info.Kind));
}
}
continuation = partitionList.ContinuationToken;
} while (!string.IsNullOrEmpty(continuation));
List <ActorInformation> activeActors = new List <ActorInformation>();
foreach (long partitionId in partitions)
{
IActorService actorServiceProxy = ActorServiceProxy.Create(servicePath, partitionId);
ContinuationToken continuationToken = null;
do
{
PagedResult <ActorInformation> page =
await actorServiceProxy.GetActorsAsync(continuationToken, CancellationToken.None);
activeActors.AddRange(page.Items);
continuationToken = page.ContinuationToken;
} while (continuationToken != null);
}
return(activeActors);
}
