public async Task <bool> RunAsync(CancellationToken cancellationToken = default(CancellationToken))
{
if (_options.JobFactory == null)
{
_logger.Error("JobFactory must be specified.");
return(false);
}
var job = _options.JobFactory();
_jobName = TypeHelper.GetTypeDisplayName(job.GetType());
if (_options.InitialDelay.HasValue && _options.InitialDelay.Value > TimeSpan.Zero)
{
await Task.Delay(_options.InitialDelay.Value, cancellationToken).AnyContext();
}
if (_options.RunContinuous && _options.InstanceCount > 1)
{
var tasks = new List <Task>();
for (int i = 0; i < _options.InstanceCount; i++)
{
var task = new Task(() => {
try {
var jobInstance = _options.JobFactory();
jobInstance.RunContinuousAsync(_options.Interval, _options.IterationLimit, cancellationToken).GetAwaiter().GetResult();
} catch (Exception ex) {
_logger.Error(ex, () => $"Error running job instance: {ex.Message}");
throw;
}
}, cancellationToken, TaskCreationOptions.LongRunning);
tasks.Add(task);
task.Start();
}
await Task.WhenAll(tasks).AnyContext();
}
else if (_options.RunContinuous && _options.InstanceCount == 1)
{
await job.RunContinuousAsync(_options.Interval, _options.IterationLimit, cancellationToken).AnyContext();
}
else
{
using (_logger.BeginScope(s => s.Property("job", _jobName))) {
_logger.Trace("Job run \"{0}\" starting...", _jobName);
var result = await job.TryRunAsync(cancellationToken).AnyContext();
JobExtensions.LogResult(result, _logger, _jobName);
return(result.IsSuccess);
}
}
return(true);
}
public async Task <bool> RunAsync(CancellationToken cancellationToken = default)
{
if (_options.JobFactory == null)
{
_logger.LogError("JobFactory must be specified.");
return(false);
}
var job = _options.JobFactory();
if (job == null)
{
_logger.LogError("JobFactory returned null job instance.");
return(false);
}
_jobName = TypeHelper.GetTypeDisplayName(job.GetType());
using (_logger.BeginScope(new Dictionary <string, object> {
{ "job", _jobName }
})) {
if (_logger.IsEnabled(LogLevel.Information))
{
_logger.LogInformation("Starting job type {JobName} on machine {MachineName}...", _jobName, Environment.MachineName);
}
if (_options.InitialDelay.HasValue && _options.InitialDelay.Value > TimeSpan.Zero)
{
await SystemClock.SleepAsync(_options.InitialDelay.Value, cancellationToken).AnyContext();
}
if (_options.RunContinuous && _options.InstanceCount > 1)
{
var tasks = new List <Task>(_options.InstanceCount);
for (int i = 0; i < _options.InstanceCount; i++)
{
tasks.Add(Task.Run(async() => {
try {
var jobInstance = _options.JobFactory();
await jobInstance.RunContinuousAsync(_options.Interval, _options.IterationLimit, cancellationToken).AnyContext();
} catch (TaskCanceledException) {
} catch (Exception ex) {
if (_logger.IsEnabled(LogLevel.Error))
{
_logger.LogError(ex, "Error running job instance: {Message}", ex.Message);
}
throw;
}
}, cancellationToken));
}
await Task.WhenAll(tasks).AnyContext();
}
else if (_options.RunContinuous && _options.InstanceCount == 1)
{
await job.RunContinuousAsync(_options.Interval, _options.IterationLimit, cancellationToken).AnyContext();
}
else
{
var result = await job.TryRunAsync(cancellationToken).AnyContext();
JobExtensions.LogResult(result, _logger, _jobName);
return(result.IsSuccess);
}
}
return(true);
}