public static IStreak <T> ReplicateTo <T>(this IStreak <T> source, IStreak <T> destination, int chunk = 1)
{
Task.Factory.StartNew(() =>
{
while (true)
{
try
{
var count = 0;
var batch = new List <T>(chunk);
foreach (var e in source.Get(from: destination.Length + 1, to: long.MaxValue, continuous: true))
{
batch.Add(e);
count++;
if (count % chunk == 0)
{
destination.Save(batch);
batch.Clear();
}
}
}
catch (Exception ex)
{
Debug.WriteLine($"Replication failed (retrying in a second): {ex}");
Thread.Sleep(1000);
}
}
},
TaskCreationOptions.LongRunning);
return(source);
}
public void Setup()
{
writer = new global::Streak.Core.Streak(Environment.CurrentDirectory, writer: true);
var input = new List <Event>
{
new Event {
Type = "Test.Event.A", Data = "Tick: 1", Meta = "CorrelationId: 1"
},
new Event {
Type = "Test.Event.B", Data = "Tick: 2", Meta = "CorrelationId: 2"
},
new Event {
Type = "Test.Event.C", Data = "Tick: 3", Meta = "CorrelationId: 3"
},
new Event {
Type = "Test.Event.D", Data = "Tick: 4", Meta = "CorrelationId: 4"
},
new Event {
Type = "Test.Event.E", Data = "Tick: 5", Meta = "CorrelationId: 5"
}
};
writer.Save(input);
reader = new global::Streak.Core.Streak(Environment.CurrentDirectory);
output = reader.Get(@from: 2, to: 4).ToList();
}
