private Task <TrackerJobResult> BuildAndExecuteJob(TrackerEnqueuedJob enqueuedJob)
{
var targetBuilderType = Type.GetType(enqueuedJob.JobBuilderTypeName);
if (targetBuilderType == null)
{
throw new ApplicationException($"Could not find builder type {enqueuedJob.JobBuilderTypeName}.");
}
var jobBuilder = _serviceProvider.GetService(targetBuilderType);
if (jobBuilder == null)
{
throw new ApplicationException($"Could not get instance of {targetBuilderType.ToString()} from DI.");
}
(jobBuilder as TrackerJobBuilder).Configure(enqueuedJob.OptionValues);
var createdJob = (jobBuilder as TrackerJobBuilder).Build();
_logger.LogInformation($"Starting job {createdJob.Name}.");
return(Task.Run(async() =>
{
try
{
// TODO check access rights when process is executed
// TODO check System.Threading.ThreadPool
return await createdJob.RunAsync();
}
catch (Exception ex)
{
return new TrackerJobResult()
{
Success = false, StatusMessage = ex.Message, Name = createdJob.Name
};
}
}));
}
public async Task <TrackerEnqueuedJob> EnqueueJobAsync(Type trackerJobBuilderType, IEnumerable <KeyValuePair <string, object> > optionValues, TimeSpan runAfterTime, uint jobPrioritySmallerFirst)
{
var jobQueue = await GetJobQueueAsync();
var result = new TrackerEnqueuedJob()
{
OptionValues = new Dictionary <string, object>(optionValues), RunAfterDate = DateTime.Now.Add(runAfterTime), JobBuilderTypeName = trackerJobBuilderType.ToString(), Priority = jobPrioritySmallerFirst
};
jobQueue.Enqueue(result);
_logger.LogDebug($"{result.CreatedDate} Added job to queue (priority {result.Priority}), scheduled for {result.RunAfterDate}.");
return(result);
}
