void Consumer(LiteQueue <int> queue)
{
try
{
while (_keepRunning)
{
var entry = queue.Dequeue();
if (entry != null)
{
if (!_consumedRecords.Add(entry.Payload))
{
throw new DuplicateException(entry.Payload);
}
queue.Commit(entry);
}
else
{
Thread.Sleep(1);
}
}
}
catch
{
_consumerFailed = true;
throw;
}
}
static void Main(string[] args)
{
// LiteQueue depends on LiteDB. You can save other things to same database.
using (var db = new LiteDatabase("Queue.db"))
{
// Creates a "logs" collection in LiteDB. You can also pass a user defined object.
var logs = new LiteQueue <string>(db, "logs");
// Recommended on startup to reset anything that was checked out but not committed or aborted.
// Or call CurrentCheckouts to inspect them and abort yourself. See github page for
// notes regarding duplicate messages.
logs.ResetOrphans();
// Adds record to queue
logs.Enqueue("Test");
// Get next item from queue. Marks it as checked out such that other threads that
// call Checkout will not see it - but does not remove it from the queue.
var record = logs.Dequeue();
try
{
// Do something that may potentially fail, i.e. a network call
// ...
// Removes record from queue
logs.Commit(record);
}
catch
{
// Returns the record to the queue
logs.Abort(record);
}
}
Console.WriteLine("Done");
Console.ReadLine();
}