/// <summary>
/// Executes the task
/// </summary>
/// <param name="throwException">A value indicating whether exception should be thrown if some error happens</param>
/// <param name="dispose">A value indicating whether all instances hsould be disposed after task run</param>
public void Execute(bool throwException = false, bool dispose = true)
{
this.IsRunning = true;
//background tasks has an issue with Autofac
//because scope is generated each time it's requested
//that's why we get one single scope here
//this way we can also dispose resources once a task is completed
var scheduleTaskService = new ScheduleTaskService(null);
var scheduleTask = scheduleTaskService.GetTaskByType(this.Type);
try
{
var task = this.CreateTask();
if (task != null)
{
this.LastStartUtc = DateTime.UtcNow;
if (scheduleTask != null)
{
//update appropriate datetime properties
scheduleTask.LastStartUtc = this.LastStartUtc;
scheduleTaskService.UpdateTask(scheduleTask);
}
//execute task
task.Execute();
this.LastEndUtc = this.LastSuccessUtc = DateTime.UtcNow;
}
}
catch (Exception exc)
{
this.Enabled = !this.StopOnError;
this.LastEndUtc = DateTime.UtcNow;
System.Diagnostics.Debug.Write(exc.Message);
//log error
var logger = new TaskLog();
//logger.Error(string.Format("Error while running the '{0}' schedule task. {1}", this.Name, exc.Message), exc);
if (throwException)
{
throw;
}
}
if (scheduleTask != null)
{
//update appropriate datetime properties
scheduleTask.LastEndUtc = this.LastEndUtc;
scheduleTask.LastSuccessUtc = this.LastSuccessUtc;
scheduleTaskService.UpdateTask(scheduleTask);
}
//dispose all resources
if (dispose)
{
}
this.IsRunning = false;
}
/// <summary>
/// Executes the task
/// </summary>
/// <param name="throwException">A value indicating whether exception should be thrown if some error happens</param>
/// <param name="dispose">A value indicating whether all instances hsould be disposed after task run</param>
public void Execute(bool throwException = false, bool dispose = true)
{
this.IsRunning = true;
//background tasks has an issue with Autofac
//because scope is generated each time it's requested
//that's why we get one single scope here
//this way we can also dispose resources once a task is completed
var scheduleTaskService = new ScheduleTaskService(null);
var scheduleTask = scheduleTaskService.GetTaskByType(this.Type);
try
{
var task = this.CreateTask();
if (task != null)
{
this.LastStartUtc = DateTime.UtcNow;
if (scheduleTask != null)
{
//update appropriate datetime properties
scheduleTask.LastStartUtc = this.LastStartUtc;
scheduleTaskService.UpdateTask(scheduleTask);
}
//execute task
task.Execute();
this.LastEndUtc = this.LastSuccessUtc = DateTime.UtcNow;
}
}
catch (Exception exc)
{
this.Enabled = !this.StopOnError;
this.LastEndUtc = DateTime.UtcNow;
System.Diagnostics.Debug.Write(exc.Message);
//log error
var logger = new TaskLog();
//logger.Error(string.Format("Error while running the '{0}' schedule task. {1}", this.Name, exc.Message), exc);
if (throwException)
throw;
}
if (scheduleTask != null)
{
//update appropriate datetime properties
scheduleTask.LastEndUtc = this.LastEndUtc;
scheduleTask.LastSuccessUtc = this.LastSuccessUtc;
scheduleTaskService.UpdateTask(scheduleTask);
}
//dispose all resources
if (dispose)
{
}
this.IsRunning = false;
}
/// <summary>
/// Initializes the task manager with the property values specified in the configuration file.
/// </summary>
public void Initialize()
{
this._taskThreads.Clear();
var taskService = new ScheduleTaskService(new List <ScheduleTask>());//IScheduleTaskService
var scheduleTasks = taskService
.GetAllTasks()
.OrderBy(x => x.Seconds)
.ToList();
//group by threads with the same seconds
foreach (var scheduleTaskGrouped in scheduleTasks.GroupBy(x => x.Seconds))
{
//create a thread
var taskThread = new TaskThread
{
Seconds = scheduleTaskGrouped.Key
};
foreach (var scheduleTask in scheduleTaskGrouped)
{
var task = new Task(scheduleTask);
taskThread.AddTask(task);
}
this._taskThreads.Add(taskThread);
}
//sometimes a task period could be set to several hours (or even days).
//in this case a probability that it'll be run is quite small (an application could be restarted)
//we should manually run the tasks which weren't run for a long time
var notRunTasks = scheduleTasks
//find tasks with "run period" more than 30 minutes
.Where(x => x.Seconds >= _notRunTasksInterval)
.Where(x => !x.LastStartUtc.HasValue || x.LastStartUtc.Value.AddSeconds(x.Seconds) < DateTime.UtcNow)
.ToList();
//create a thread for the tasks which weren't run for a long time
if (notRunTasks.Count > 0)
{
var taskThread = new TaskThread
{
RunOnlyOnce = true,
Seconds = 60 * 5 //let's run such tasks in 5 minutes after application start
};
foreach (var scheduleTask in notRunTasks)
{
var task = new Task(scheduleTask);
taskThread.AddTask(task);
}
this._taskThreads.Add(taskThread);
}
}
/// <summary>
/// Initializes the task manager with the property values specified in the configuration file.
/// </summary>
public void Initialize()
{
this._taskThreads.Clear();
var taskService = new ScheduleTaskService(new List<ScheduleTask>());//IScheduleTaskService
var scheduleTasks = taskService
.GetAllTasks()
.OrderBy(x => x.Seconds)
.ToList();
//group by threads with the same seconds
foreach (var scheduleTaskGrouped in scheduleTasks.GroupBy(x => x.Seconds))
{
//create a thread
var taskThread = new TaskThread
{
Seconds = scheduleTaskGrouped.Key
};
foreach (var scheduleTask in scheduleTaskGrouped)
{
var task = new Task(scheduleTask);
taskThread.AddTask(task);
}
this._taskThreads.Add(taskThread);
}
//sometimes a task period could be set to several hours (or even days).
//in this case a probability that it'll be run is quite small (an application could be restarted)
//we should manually run the tasks which weren't run for a long time
var notRunTasks = scheduleTasks
//find tasks with "run period" more than 30 minutes
.Where(x => x.Seconds >= _notRunTasksInterval)
.Where(x => !x.LastStartUtc.HasValue || x.LastStartUtc.Value.AddSeconds(x.Seconds) < DateTime.UtcNow)
.ToList();
//create a thread for the tasks which weren't run for a long time
if (notRunTasks.Count > 0)
{
var taskThread = new TaskThread
{
RunOnlyOnce = true,
Seconds = 60 * 5 //let's run such tasks in 5 minutes after application start
};
foreach (var scheduleTask in notRunTasks)
{
var task = new Task(scheduleTask);
taskThread.AddTask(task);
}
this._taskThreads.Add(taskThread);
}
}
