/// <summary>
/// Creates a new task for the <see cref="TaskScheduler"/> based on the given task.
/// Used for the <see cref="ICloneable"/> implementation.
/// </summary>
/// <param name="task">The new task should be based upon.</param>
public Task(Task task)
{
_taskID = task.ID;
_owner = task.Owner;
_schedule.Minute = task.Schedule.Minute;
_schedule.Hour = task.Schedule.Hour;
_schedule.Day = task.Schedule.Day;
_schedule.Interval = task.Schedule.Interval;
_schedule.Type = task.Schedule.Type;
_expires = task.Expires;
_forceRun = task.ForceRun;
_wakeup = task.WakeupSystem;
}
public Guid AddTask(Task newTask)
{
lock (_syncObj)
{
newTask.ID = Guid.NewGuid();
_settings.TaskCollection.Add(newTask);
SaveChanges(false);
}
return newTask.ID;
}
public void UpdateTask(Guid taskId, Task updatedTask)
{
lock (_syncObj)
{
updatedTask.ID = taskId;
_settings.TaskCollection.Replace(taskId, updatedTask);
SaveChanges(false);
TaskSchedulerMessaging.SendTaskSchedulerMessage(TaskSchedulerMessaging.MessageType.CHANGED, updatedTask);
}
}
/// <summary>
/// Handles expired tasks: Sends out a message that a particular task is expired, removes the task from the
/// registered task collection and sends out a message that the task is deleted. This method gets called
/// from the DoWork() method.
/// </summary>
/// <param name="task">Task to expire</param>
private void ExpireTask(Task task)
{
Task tc = (Task) task.Clone();
TaskSchedulerMessaging.SendTaskSchedulerMessage(TaskSchedulerMessaging.MessageType.EXPIRED, tc);
_settings.TaskCollection.Remove(task);
TaskSchedulerMessaging.SendTaskSchedulerMessage(TaskSchedulerMessaging.MessageType.DELETED, tc);
SaveChanges(false);
}
/// <summary>
/// Handles processing of due tasks. Sends out a message that a task is due, updates the tasks properties and
/// removes the task if it was scheduled to run only once. This method gets called from the DoWork() method.
/// </summary>
/// <param name="task">Task to process.</param>
private void ProcessTask(Task task)
{
Task tc = (Task) task.Clone();
TaskSchedulerMessaging.SendTaskSchedulerMessage(TaskSchedulerMessaging.MessageType.DUE, tc);
task.LastRun = task.NextRun;
if (task.Occurrence == Occurrence.Once)
{
_settings.TaskCollection.Remove(task);
TaskSchedulerMessaging.SendTaskSchedulerMessage(TaskSchedulerMessaging.MessageType.DELETED, tc);
}
}
public const string TASK = "Task"; // Stores the task of this message
/// <summary>
/// Sends a message in the <see cref="CHANNEL"/>.
/// </summary>
/// <param name="type">The type of the message to send.</param>
/// <param name="task">The task of the message to send.</param>
public static void SendTaskSchedulerMessage(MessageType type, Task task)
{
SystemMessage msg = new SystemMessage(type);
msg.MessageData[TASK] = task;
ServiceRegistration.Get<IMessageBroker>().Send(CHANNEL, msg);
}
public void UpdateTask(Guid taskId, Task updatedTask)
{
lock (_syncObj)
{
updatedTask.ID = taskId;
ServiceRegistration.Get<ILogger>().Debug("TaskScheduler: UpdateTask: {0}", updatedTask);
_settings.TaskCollection.Replace(taskId, updatedTask);
SaveChanges(false);
TaskSchedulerMessaging.SendTaskSchedulerMessage(TaskSchedulerMessaging.MessageType.CHANGED, updatedTask);
}
}
public Guid AddTask(Task newTask)
{
lock (_syncObj)
{
newTask.ID = Guid.NewGuid();
ServiceRegistration.Get<ILogger>().Debug("TaskScheduler: AddTask: {0}", newTask);
_settings.TaskCollection.Add(newTask);
SaveChanges(false);
}
return newTask.ID;
}
/// <summary>
/// Handles processing of due tasks. Sends out a message that a task is due, updates the tasks properties and
/// removes the task if it was scheduled to run only once. This method gets called from the DoWork() method.
/// </summary>
/// <param name="task">Task to process.</param>
private void ProcessTask(Task task)
{
ServiceRegistration.Get<ILogger>().Debug("TaskScheduler: ProcessTask: {0}", task.ToString());
Task tc = (Task) task.Clone();
TaskSchedulerMessaging.SendTaskSchedulerMessage(TaskSchedulerMessaging.MessageType.DUE, tc);
task.LastRun = task.NextRun;
if (task.Occurrence == Occurrence.Once)
{
_settings.TaskCollection.Remove(task);
TaskSchedulerMessaging.SendTaskSchedulerMessage(TaskSchedulerMessaging.MessageType.DELETED, tc);
}
}
/// <summary>
/// Handles expired tasks: Sends out a message that a particular task is expired, removes the task from the
/// registered task collection and sends out a message that the task is deleted. This method gets called
/// from the DoWork() method.
/// </summary>
/// <param name="task">Task to expire</param>
private void ExpireTask(Task task)
{
ServiceRegistration.Get<ILogger>().Debug("TaskScheduler: ExpireTask: {0}", task.ToString());
Task tc = (Task) task.Clone();
TaskSchedulerMessaging.SendTaskSchedulerMessage(TaskSchedulerMessaging.MessageType.EXPIRED, tc);
_settings.TaskCollection.Remove(task);
TaskSchedulerMessaging.SendTaskSchedulerMessage(TaskSchedulerMessaging.MessageType.DELETED, tc);
SaveChanges(false);
}
