public static void CompleteTask()
{
List <BackgroundTask> tasks = TaskController.GetTasks(Guid);
if (tasks.Count == 0)
{
return;
}
BackgroundTask topTask = tasks[tasks.Count - 1];
// call event handler
CallTaskEventHandler(topTask, true);
// finish task
topTask.FinishDate = DateTime.Now;
topTask.Completed = true;
// write task execution result to database
if (tasks.Count == 1) // single task
{
// write to database
AddAuditLog(topTask);
}
TaskController.UpdateTask(topTask);
StopProcess(topTask);
}
private static void WriteLogRecord(Guid guid, int severity, string text, string stackTrace, params string[] textParameters)
{
List <BackgroundTask> tasks = TaskController.GetTasks(guid);
if (tasks.Count > 0)
{
BackgroundTask rootTask = tasks[0];
BackgroundTaskLogRecord log = new BackgroundTaskLogRecord(
rootTask.Id,
tasks.Count - 1,
false,
text,
stackTrace,
textParameters);
TaskController.AddLog(log);
if (severity > rootTask.Severity)
{
rootTask.Severity = severity;
TaskController.UpdateTask(rootTask);
}
}
}
public static void StartTask(string taskId, string source, string taskName, object itemName, int itemId,
int scheduleId, int packageId, int maximumExecutionTime, List <BackgroundTaskParameter> parameters)
{
if (String.IsNullOrEmpty(taskId))
{
taskId = Guid.NewGuid().ToString("N");
}
var user = SecurityContext.User;
int userId = user.OwnerId == 0
? user.UserId
: user.OwnerId;
int effectiveUserId = user.UserId;
String itemNameStr = itemName != null
? itemName.ToString()
: String.Empty; //: itemId > 0 ? "(Id = " + itemId + ")" : String.Empty;
BackgroundTask task = new BackgroundTask(Guid, taskId, userId, effectiveUserId, source, taskName, itemNameStr,
itemId, scheduleId, packageId, maximumExecutionTime, parameters);
List <BackgroundTask> tasks = TaskController.GetTasks(Guid);
if (tasks.Count > 0)
{
BackgroundTask rootTask = tasks[0];
BackgroundTaskLogRecord log = new BackgroundTaskLogRecord(
rootTask.Id,
tasks.Count - 1,
true,
String.Format("{0}_{1}", source, taskName),
new string[] { itemNameStr });
TaskController.AddLog(log);
}
// call event handler
CallTaskEventHandler(task, false);
AddTaskThread(TaskController.AddTask(task), Thread.CurrentThread);
}
public static Dictionary <int, BackgroundTask> GetScheduledTasks()
{
Dictionary <int, BackgroundTask> scheduledTasks = new Dictionary <int, BackgroundTask>();
try
{
foreach (BackgroundTask task in TaskController.GetTasks())
{
if (task.ScheduleId > 0 &&
!task.Completed &&
(task.Status == BackgroundTaskStatus.Run || task.Status == BackgroundTaskStatus.Starting) &&
!scheduledTasks.ContainsKey(task.ScheduleId))
{
scheduledTasks.Add(task.ScheduleId, task);
}
}
}
catch { }
return(scheduledTasks);
}
public static List <BackgroundTask> GetUserTasks(int userId)
{
List <BackgroundTask> list = new List <BackgroundTask>();
// try to get user first
UserInfo user = UserController.GetUser(userId);
if (user == null)
{
return(list); // prohibited user
}
// get user tasks
foreach (BackgroundTask task in TaskController.GetTasks(user.IsPeer ? user.OwnerId : user.UserId))
{
if (task.UserId == userId && !task.Completed &&
task.Status == BackgroundTaskStatus.Run)
{
list.Add(task);
}
}
return(list);
}
public static int GetTasksNumber()
{
return(TaskController.GetTasks().Count);
}
