private async Task ExecuteJobAsync(JobRegistration registration, IJob job, CancellationToken cancellationToken, string[] args = null)
{
if (registration?.Key.IsNullOrEmpty() == false && job != null)
{
try
{
async Task Execute()
{
// TODO: publish domain event (job started)
this.logger.LogJournal(LogEventPropertyKeys.TrackStartJob, $"{{LogKey:l}} job started (key={{JobKey}}, id={registration.Identifier}, type={job.GetType().PrettyName()}, isReentrant={registration.IsReentrant}, timeout={registration.Timeout.ToString("c")})", args: new[] { LogEventKeys.JobScheduling, registration.Key });
await job.ExecuteAsync(cancellationToken, args).AnyContext();
await Run.DelayedAsync(new TimeSpan(0, 0, 1), () =>
{
this.logger.LogJournal(LogEventPropertyKeys.TrackFinishJob, $"{{LogKey:l}} job finished (key={{JobKey}}, id={registration.Identifier}, type={job.GetType().PrettyName()})", args: new[] { LogEventKeys.JobScheduling, registration.Key });
return(Task.CompletedTask);
});
// TODO: publish domain event (job finished)
}
if (!registration.IsReentrant)
{
if (this.mutex.TryAcquireLock(registration.Key))
{
try
{
await Execute();
}
finally
{
this.mutex.ReleaseLock(registration.Key);
}
}
else
{
this.logger.LogWarning($"{{LogKey:l}} already executing (key={{JobKey}}, type={job.GetType().PrettyName()})", LogEventKeys.JobScheduling, registration.Key);
}
}
else
{
await Execute();
}
}
catch (OperationCanceledException ex)
{
// TODO: publish domain event (job failed)
this.logger.LogWarning(ex, $"{{LogKey:l}} canceled (key={{JobKey}}), type={job.GetType().PrettyName()})", LogEventKeys.JobScheduling, registration.Key);
//this.errorHandler?.Invoke(ex);
}
catch (Exception ex)
{
// TODO: publish domain event (job failed)
this.logger.LogError(ex.InnerException ?? ex, $"{{LogKey:l}} failed (key={{JobKey}}), type={job.GetType().PrettyName()})", LogEventKeys.JobScheduling, registration.Key);
this.errorHandler?.Invoke(ex.InnerException ?? ex);
}
}
}
public IJobScheduler UnRegister(JobRegistration registration)
{
if (registration != null)
{
this.Options.Registrations.Remove(registration);
}
return(this);
}
public IJobScheduler Register(JobRegistration registration, IJob job)
{
EnsureArg.IsNotNull(registration, nameof(registration));
EnsureArg.IsNotNullOrEmpty(registration.Cron, nameof(registration.Cron));
EnsureArg.IsNotNull(job, nameof(job));
registration.Key = registration.Key ?? HashAlgorithm.ComputeHash(job);
this.logger.LogInformation($"{{LogKey:l}} registration (key={{JobKey}}, id={registration.Identifier}, cron={registration.Cron}, isReentrant={registration.IsReentrant}, timeout={registration.Timeout.ToString("c")}, enabled={registration.Enabled})", LogKeys.JobScheduling, registration.Key);
var item = this.Options.Registrations.FirstOrDefault(r => r.Key.Key.SafeEquals(registration.Key));
if (item.Key != null)
{
this.Options.Registrations.Remove(item.Key);
}
this.Options.Registrations.Add(registration, job);
return(this);
}