public static async Task <IAsyncEnumerable <T> > CreateLinqAsyncEnumerable <T>(
this IReliableQueue <T> dictionary, Microsoft.ServiceFabric.Data.ITransaction txn)
{
var enumerable = await dictionary.CreateEnumerableAsync(txn).ConfigureAwait(false);
return(enumerable.AsAsyncEnumerable());
}
private static async Task <IEnumerable <object> > EnumerateState <T>(IReliableStateManager stateManager, IReliableQueue <T> collection, CancellationToken cancellationToken)
{
var list = new List <object>();
using (var tx = stateManager.CreateTransaction())
{
var enumerable = await collection.CreateEnumerableAsync(tx);
var enumerator = enumerable.GetAsyncEnumerator();
while (await enumerator.MoveNextAsync(cancellationToken))
{
list.Add(enumerator.Current);
}
}
return(list);
}
public async Task <ChatRoom> GetRoomAsync(string roomName, CancellationToken cancellationToken)
{
IReliableQueue <ChatMessage> room = await GetRoomQueue(roomName);
ChatRoom chatRoom = new ChatRoom(roomName);
using (var tx = stateManager.CreateTransaction())
{
var roomIterator = (await room.CreateEnumerableAsync(tx)).GetAsyncEnumerator();
while (await roomIterator.MoveNextAsync(cancellationToken))
{
var msg = roomIterator.Current;
chatRoom.messages.Add(msg);
}
}
return(chatRoom);
}
