public override void Execute()
{
var callbackAttributes = Attribute.GetCustomAttributes(ExecutingTask.GetType(), typeof(ExecutionCallbacksAttribute));
for (var i = 0; i < callbackAttributes.Length; i++)
{
((ExecutionCallbacksAttribute)callbackAttributes[i]).BeforeExecute(ExecutingTask);
}
try
{
Invocation.Proceed();
}
catch (Exception exception)
{
for (var i = callbackAttributes.Length - 1; i >= 0; i--)
{
((ExecutionCallbacksAttribute)callbackAttributes[i]).OnError(ExecutingTask, exception);
}
throw;
}
for (var i = callbackAttributes.Length - 1; i >= 0; i--)
{
((ExecutionCallbacksAttribute)callbackAttributes[i]).AfterExecute(ExecutingTask);
}
}
/// <summary>
/// Launch the processing of the project
/// </summary>
/// <param name="project">The project to process</param>
/// <returns>false : The project is already processing else true</returns>
public Task <TJob> ExecuteTask <TJob>(TJob job)
where TJob : IJob
{
var executingTask = new ExecutingTask();
Task task = null;
Task <TJob> finalTask = null;
// Check if this project is not currently processing
lock (_syncObject)
{
if (_processingJobs.ContainsKey(job.IdJob))
{
_logger.LogDebug($"Try to start a job that is already running");
return(null); // Already processing
}
// Create a task to start the processing
var tokenSource = new CancellationTokenSource();
executingTask.CancellationTokenSource = tokenSource;
_logger.LogInformation($"Start the Job {job.IdJob}");
task = new Task(() => job.ExecuteAsync(executingTask.CancellationTokenSource.Token).Wait());
finalTask = task.ContinueWith(t => EndProcessingJob(job));
executingTask.Task = task;
if (_processingJobs.Count >= _maxJobInParallel)
{
// Start process later
_waitingJobs.Enqueue(executingTask);
}
else
{
// Start process now
_processingJobs.Add(job.IdJob, executingTask);
executingTask.Task.Start();
}
}
return(finalTask);
}
