internal override void Execute()
{
TaskMetadata taskToBeCancelledMetadata;
ExecutionToken taskToBeCancelledToken;
lock (scheduler.resourcesLock)
{
if (scheduler.taskToToken.ContainsKey(completedTask))
{
taskToBeCancelledMetadata = scheduler.taskToMetadata[completedTask];
taskToBeCancelledToken = scheduler.taskToToken[completedTask];
//If task is holding some resources, queue the unlock resources event and then cancel task if exists event again
//This will unlock the first resource before trying to delete the task again
if (scheduler.taskHoldingResources[completedTask].Count() > 0)
{
scheduler.eventQueue.Add(new TaskWantsToUnlockResourceEvent(scheduler, taskToBeCancelledToken, taskToBeCancelledToken.waitingOnResponse, scheduler.taskHoldingResources[completedTask][0]));
scheduler.eventQueue.Add(new CancelTaskIfExistsEvent(scheduler, completedTask));
return;
}
scheduler.EraseTaskFromMemory(completedTask);
scheduler.eventQueue.Add(new ScheduleTasksEvent(scheduler));
}
}
}
