/// <summary>
/// Checks if the the task has been cancelled and finishes the process.
/// </summary>
/// <param name="cancellationToken">Cancellation Token</param>
protected void checkCanceledTask(CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
this._state = ScheduledTaskState.CANCELLED;
cancellationToken.ThrowIfCancellationRequested();
}
}
// == METHOD(S)
// ======================================================================
/// <summary>
/// Method invoked when task starts the work.
/// </summary>
/// <returns>Object : Usually the return is NULL.</returns>
private Object taskExecution()
{
Object retValue = null;
try
{
if (this._state == ScheduledTaskState.ERROR)
{
this._newTentative = true;
}
else
{
this._newTentative = false;
}
this._state = ScheduledTaskState.RUNNING;
// == TASK LIFE-CYCLE EXECUTION
this._cancellationToken = new CancellationTokenSource();
onStart();
// PARAMETER TREATMENT
JObject param = null;
if (this.task.Param != null)
{
try
{
param = JObject.Parse(this.task.Param);
}
catch (System.Exception e)
{
throw new AuctionMasterTaskException(ExceptionType.FATAL, "Invalid param formatting - Expected: Valid JSON.");
}
}
onExecute(param, this._cancellationToken.Token);
onFinish();
this._state = ScheduledTaskState.IDLE;
}
catch (System.Exception e)
{
if (!(e is AuctionMasterTaskException))
{
e = new AuctionMasterTaskException(ExceptionType.FATAL, e.Message, e);
}
this._state = ScheduledTaskState.ERROR;
this.onError((AuctionMasterTaskException)e);
retValue = (AuctionMasterTaskException)e;
}
return(retValue);
}
// == CONSTRUCTOR(S)
// ======================================================================
public GenericScheduledTask(IServiceScopeFactory scopeFactory, ScheduledTask scheduledTask)
{
this._scopeFactory = scopeFactory;
this._scheduledTask = scheduledTask;
this._state = ScheduledTaskState.IDLE;
}
