/// <summary>
/// On a derived class, this Method can push an SchedulingRequest, so it will be executed immediately
/// </summary>
/// <param name="requestId">the unique id of the request that requires immediate execution</param>
/// <returns>a value indicating whether the request was found and pushing was successful</returns>
public override bool PushRequest(string requestId)
{
bool retVal = false;
lock (pendingRequests)
{
if (pendingRequests.Any(n => n.RequestId == requestId))
{
PeriodScheduleRequest request = pendingRequests.First(n => n.RequestId == requestId);
pendingRequests.Remove(request);
request.Task.LastExecution = DateTime.Now;
base.ScheduleTask(request);
retVal = true;
}
}
return(retVal);
}
/// <summary>
/// Schedules a task for execution
/// </summary>
/// <param name="task">the task that needs to be executed</param>
/// <returns>a value indicating whether the task was scheduled</returns>
public override bool ScheduleTask(TaskScheduler.ScheduleRequest task)
{
PeriodScheduleRequest schereq = task as PeriodScheduleRequest;
if (schereq == null)
{
return(false);
}
/*if (task.Task.SchedulerInstruction == null)
* {
* return base.ScheduleTask(task);
* }*/
DateTime?next = schereq.NextExecution;
if (next == null)
{
return(false);
}
if (next.Value > DateTime.Now)
{
lock (pendingRequests)
{
pendingRequests.Add(schereq);
}
}
else
{
task.Task.LastExecution = DateTime.Now;
return(base.ScheduleTask(task));
}
return(true);
}
/// <summary>
/// Creates a Task request for this TaskScheduler with the Task that needs to be executed and the queue that will execute it
/// </summary>
/// <param name="parallelTaskProcessor">the TaskProcessor that will run the provided task later</param>
/// <param name="task">the task that needs to be executed</param>
/// <param name="instruction">the default instruction for this schedule request</param>
/// <returns>a scheduler - request for the given processor and task</returns>
public override ScheduleRequest CreateRequest(ParallelTaskProcessor parallelTaskProcessor, ITask task)
{
PeriodScheduleRequest retVal = new PeriodScheduleRequest(UniqueName, parallelTaskProcessor, task, this, task.LastExecution);
return(retVal);
}
