async Task IndexInterface.Lookup(IOrleansQueryResultStream <IIndexableGrain> result, object key)
{
if (logger.IsVerbose)
{
logger.Verbose("Streamed index lookup called for key = {0}", key);
}
//get all silos
Dictionary <SiloAddress, SiloStatus> hosts = await SiloUtils.GetHosts(true);
ISet <Task <IOrleansQueryResult <IIndexableGrain> > > queriesToSilos = GetResultQueries(hosts, key);
//TODO: After fixing the problem with OrleansStream, this part is not needed anymore
while (queriesToSilos.Count > 0)
{
// Identify the first task that completes.
Task <IOrleansQueryResult <IIndexableGrain> > firstFinishedTask = await Task.WhenAny(queriesToSilos);
// ***Remove the selected task from the list so that you don't
// process it more than once.
queriesToSilos.Remove(firstFinishedTask);
// Await the completed task.
IOrleansQueryResult <IIndexableGrain> partialResult = await firstFinishedTask;
await result.OnNextBatchAsync(partialResult);
}
await result.OnCompletedAsync();
}
private static async Task <int> CountPlayersBlockingIn <TIGrain, TProperties>(IOrleansQueryable <TIGrain, TProperties> q) where TIGrain : IPlayerGrain, IIndexableGrain where TProperties : PlayerProperties
{
IOrleansQueryResult <TIGrain> result = await q.GetResults();
return(result.Count());
}
