public static async Task RunUntilEmptyAsync(this IQueueJob job, CancellationToken cancellationToken = default(CancellationToken))
{
var logger = job.GetLogger();
await job.RunContinuousAsync(cancellationToken : cancellationToken, interval : TimeSpan.FromMilliseconds(1), continuationCallback : async() => {
var stats = await job.Queue.GetQueueStatsAsync().AnyContext();
logger.Trace("RunUntilEmpty continuation: queue: {Queued} working={Working}", stats.Queued, stats.Working);
return(stats.Queued + stats.Working > 0);
}).AnyContext();
}
public static Task RunUntilEmptyAsync <T>(this IQueueJob <T> job, CancellationToken cancellationToken = default) where T : class
{
var logger = job.GetLogger() ?? NullLogger.Instance;
return(job.RunContinuousAsync(cancellationToken: cancellationToken, continuationCallback: async() => {
// Allow abandoned items to be added in a background task.
Thread.Yield();
var stats = await job.Queue.GetQueueStatsAsync().AnyContext();
if (logger.IsEnabled(LogLevel.Trace))
{
logger.LogTrace("RunUntilEmpty continuation: Queued={Queued}, Working={Working}, Abandoned={Abandoned}", stats.Queued, stats.Working, stats.Abandoned);
}
return stats.Queued + stats.Working > 0;
}));
}