move the scheduler to a windows service
This commit is contained in:
vfedosevich
parent
97f09a5683
commit
5e414136b2
115 changed files with 587 additions and 166 deletions
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// Copyright (c) 2012, Outercurve Foundation.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// - Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// - Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// - Neither the name of the Outercurve Foundation nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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||||
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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using System;
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using System.IO;
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using System.Threading;
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using System.Collections;
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using System.Diagnostics;
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using System.Collections.Generic;
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using System.Text;
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using System.Data.SqlClient;
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namespace WebsitePanel.EnterpriseServer
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{
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public delegate void ScheduleFinished(SchedulerJob schedule);
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public sealed class Scheduler
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{
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public static SchedulerJob nextSchedule = null;
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// main timer and put it to sleep
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static Timer scheduleTimer = new Timer(new TimerCallback(RunNextSchedule),
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null,
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Timeout.Infinite,
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Timeout.Infinite);
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public static void Start()
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{
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// schedule tasks
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ScheduleTasks();
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}
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public static bool IsScheduleActive(int scheduleId)
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{
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Dictionary<int, BackgroundTask> scheduledTasks = TaskManager.GetScheduledTasks();
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return scheduledTasks.ContainsKey(scheduleId);
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}
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public static void StartSchedule(SchedulerJob schedule)
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{
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Dictionary<int, BackgroundTask> scheduledTasks = TaskManager.GetScheduledTasks();
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if (scheduledTasks.ContainsKey(schedule.ScheduleInfo.ScheduleId))
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return;
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// run schedule
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RunSchedule(schedule, false);
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}
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public static void StopSchedule(SchedulerJob schedule)
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{
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Dictionary<int, BackgroundTask> scheduledTasks = TaskManager.GetScheduledTasks();
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if (!scheduledTasks.ContainsKey(schedule.ScheduleInfo.ScheduleId))
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return;
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BackgroundTask activeTask = scheduledTasks[schedule.ScheduleInfo.ScheduleId];
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TaskManager.StopTask(activeTask.TaskId);
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}
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public static void ScheduleTasks()
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{
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nextSchedule = SchedulerController.GetNextSchedule();
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// set timer
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if (nextSchedule != null)
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{
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if (nextSchedule.ScheduleInfo.NextRun <= DateTime.Now)
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{
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// this will put the timer to sleep
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scheduleTimer.Change(Timeout.Infinite, Timeout.Infinite);
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System.Threading.Thread.Sleep(1000);
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// run immediately
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RunNextSchedule(null);
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}
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else
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{
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// set timer
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TimeSpan ts = nextSchedule.ScheduleInfo.NextRun.Subtract(DateTime.Now);
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if (ts < TimeSpan.Zero)
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ts = TimeSpan.Zero; // cannot be negative !
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// invoke after the timespan
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scheduleTimer.Change((long)ts.TotalMilliseconds, Timeout.Infinite);
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}
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}
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}
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// call back for the timer function
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static void RunNextSchedule(object obj) // obj ignored
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{
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if (nextSchedule == null)
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return;
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RunSchedule(nextSchedule, true);
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// schedule next task
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ScheduleTasks();
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}
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static void RunSchedule(SchedulerJob schedule, bool changeNextRun)
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{
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try
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{
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// update next run (if required)
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if (changeNextRun)
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{
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SchedulerController.CalculateNextStartTime(schedule.ScheduleInfo);
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}
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// disable run once task
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if (schedule.ScheduleInfo.ScheduleType == ScheduleType.OneTime)
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schedule.ScheduleInfo.Enabled = false;
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Dictionary<int, BackgroundTask> scheduledTasks = TaskManager.GetScheduledTasks();
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if (!scheduledTasks.ContainsKey(schedule.ScheduleInfo.ScheduleId))
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// this task should be run, so
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// update its last run
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schedule.ScheduleInfo.LastRun = DateTime.Now;
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// update schedule
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int MAX_RETRY_COUNT = 10;
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int counter = 0;
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while (counter < MAX_RETRY_COUNT)
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{
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try
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{
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SchedulerController.UpdateSchedule(schedule.ScheduleInfo);
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break;
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}
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catch (SqlException)
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{
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System.Threading.Thread.Sleep(1000);
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}
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counter++;
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}
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// skip execution if the current task is still running
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scheduledTasks = TaskManager.GetScheduledTasks();
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if (!scheduledTasks.ContainsKey(schedule.ScheduleInfo.ScheduleId))
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{
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// run the schedule in the separate thread
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schedule.Run();
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}
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}
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catch (Exception Ex)
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{
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try
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{
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TaskManager.WriteError(string.Format("RunSchedule Error : {0}", Ex.Message));
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}
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catch (Exception)
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{
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}
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}
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}
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}
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}
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@ -0,0 +1,344 @@
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// Copyright (c) 2012, Outercurve Foundation.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// - Redistributions of source code must retain the above copyright notice, this
|
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// list of conditions and the following disclaimer.
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//
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// - Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// - Neither the name of the Outercurve Foundation nor the names of its
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// contributors may be used to endorse or promote products derived from this
|
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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using System;
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using System.Data;
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using System.Collections.Generic;
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using System.Text;
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using System.Xml;
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using WebsitePanel.EnterpriseServer.Base.Scheduling;
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namespace WebsitePanel.EnterpriseServer
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{
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public class SchedulerController
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{
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public static DateTime GetSchedulerTime()
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{
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return DateTime.Now;
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}
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public static List<ScheduleTaskInfo> GetScheduleTasks()
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{
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return ObjectUtils.CreateListFromDataReader<ScheduleTaskInfo>(
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DataProvider.GetScheduleTasks(SecurityContext.User.UserId));
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}
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public static ScheduleTaskInfo GetScheduleTask(string taskId)
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{
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return ObjectUtils.FillObjectFromDataReader<ScheduleTaskInfo>(
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DataProvider.GetScheduleTask(SecurityContext.User.UserId, taskId));
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}
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public static DataSet GetSchedules(int packageId)
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{
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DataSet ds = DataProvider.GetSchedules(SecurityContext.User.UserId, packageId);
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// set status to each returned schedule
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foreach (DataRow dr in ds.Tables[0].Rows)
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{
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dr["StatusID"] = Scheduler.IsScheduleActive((int)dr["ScheduleID"])
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? ScheduleStatus.Running : ScheduleStatus.Idle;
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}
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return ds;
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}
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public static DataSet GetSchedulesPaged(int packageId, bool recursive,
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string filterColumn, string filterValue, string sortColumn, int startRow, int maximumRows)
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{
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DataSet ds = DataProvider.GetSchedulesPaged(SecurityContext.User.UserId, packageId,
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recursive, filterColumn, filterValue, sortColumn, startRow, maximumRows);
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// set status to each returned schedule
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foreach (DataRow dr in ds.Tables[1].Rows)
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{
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dr["StatusID"] = Scheduler.IsScheduleActive((int)dr["ScheduleID"])
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? ScheduleStatus.Running : ScheduleStatus.Idle;
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}
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return ds;
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}
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public static ScheduleInfo GetSchedule(int scheduleId)
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{
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DataSet ds = DataProvider.GetSchedule(SecurityContext.User.UserId, scheduleId);
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ScheduleInfo si = ObjectUtils.FillObjectFromDataView<ScheduleInfo>(ds.Tables[0].DefaultView);
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return si;
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}
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/// <summary>
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/// Gets view configuration for a certain task.
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/// </summary>
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/// <param name="taskId">Task id for which view configuration is intended to be loeaded.</param>
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/// <returns>View configuration for the task with supplied id.</returns>
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public static List<ScheduleTaskViewConfiguration> GetScheduleTaskViewConfigurations(string taskId)
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{
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List<ScheduleTaskViewConfiguration> c = ObjectUtils.CreateListFromDataReader<ScheduleTaskViewConfiguration>(DataProvider.GetScheduleTaskViewConfigurations(taskId));
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return c;
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}
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internal static SchedulerJob GetScheduleComplete(int scheduleId)
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{
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DataSet ds = DataProvider.GetSchedule(SecurityContext.User.UserId, scheduleId);
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return CreateCompleteScheduleFromDataSet(ds);
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}
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internal static SchedulerJob GetNextSchedule()
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{
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DataSet ds = DataProvider.GetNextSchedule();
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return CreateCompleteScheduleFromDataSet(ds);
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}
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internal static SchedulerJob CreateCompleteScheduleFromDataSet(DataSet ds)
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{
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if (ds.Tables[0].Rows.Count == 0)
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return null;
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SchedulerJob schedule = new SchedulerJob();
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// schedule info
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schedule.ScheduleInfo = ObjectUtils.FillObjectFromDataView<ScheduleInfo>(ds.Tables[0].DefaultView);
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// task info
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schedule.Task = ObjectUtils.FillObjectFromDataView<ScheduleTaskInfo>(ds.Tables[1].DefaultView);
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// parameters info
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List<ScheduleTaskParameterInfo> parameters = new List<ScheduleTaskParameterInfo>();
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ObjectUtils.FillCollectionFromDataView<ScheduleTaskParameterInfo>(
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parameters, ds.Tables[2].DefaultView);
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schedule.ScheduleInfo.Parameters = parameters.ToArray();
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return schedule;
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}
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public static ScheduleInfo GetScheduleInternal(int scheduleId)
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{
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return ObjectUtils.FillObjectFromDataReader<ScheduleInfo>(
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DataProvider.GetScheduleInternal(scheduleId));
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}
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public static List<ScheduleTaskParameterInfo> GetScheduleParameters(string taskId, int scheduleId)
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{
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return ObjectUtils.CreateListFromDataReader<ScheduleTaskParameterInfo>(
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DataProvider.GetScheduleParameters(SecurityContext.User.UserId,
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taskId, scheduleId));
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}
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public static int StartSchedule(int scheduleId)
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{
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// check account
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int accountCheck = SecurityContext.CheckAccount(DemandAccount.NotDemo);
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if (accountCheck < 0) return accountCheck;
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SchedulerJob schedule = GetScheduleComplete(scheduleId);
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if (schedule == null)
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return 0;
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Scheduler.StartSchedule(schedule);
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return 0;
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}
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public static int StopSchedule(int scheduleId)
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{
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// check account
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int accountCheck = SecurityContext.CheckAccount(DemandAccount.NotDemo);
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if (accountCheck < 0) return accountCheck;
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SchedulerJob schedule = GetScheduleComplete(scheduleId);
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if (schedule == null)
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return 0;
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Scheduler.StopSchedule(schedule);
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return 0;
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}
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public static void CalculateNextStartTime(ScheduleInfo schedule)
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{
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if (schedule.ScheduleType == ScheduleType.OneTime)
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{
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// start time stay intact
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// we only disable this task for the next time
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schedule.NextRun = schedule.StartTime;
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}
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else if (schedule.ScheduleType == ScheduleType.Interval)
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{
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DateTime lastRun = schedule.LastRun;
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DateTime now = DateTime.Now;
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// the task is running first time by default
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DateTime nextStart = DateTime.Now;
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if (lastRun != DateTime.MinValue)
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{
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// the task is running next times
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nextStart = lastRun.AddSeconds(schedule.Interval);
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}
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if (nextStart < now)
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nextStart = now; // run immediately
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// check if start time is in allowed interval
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DateTime fromTime = new DateTime(now.Year, now.Month, now.Day,
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schedule.FromTime.Hour, schedule.FromTime.Minute, schedule.FromTime.Second);
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DateTime toTime = new DateTime(now.Year, now.Month, now.Day,
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schedule.ToTime.Hour, schedule.ToTime.Minute, schedule.ToTime.Second);
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if (!(nextStart >= fromTime && nextStart <= toTime))
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{
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// run task in the start of the interval, but only tomorrow
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nextStart = fromTime.AddDays(1);
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}
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schedule.NextRun = nextStart;
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}
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else if (schedule.ScheduleType == ScheduleType.Daily)
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{
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DateTime now = DateTime.Now;
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DateTime startTime = schedule.StartTime;
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DateTime nextStart = new DateTime(now.Year, now.Month, now.Day,
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startTime.Hour, startTime.Minute, startTime.Second);
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if (nextStart < now) // start time is in the past
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nextStart = nextStart.AddDays(1); // run tomorrow
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schedule.NextRun = nextStart;
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}
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else if (schedule.ScheduleType == ScheduleType.Weekly)
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{
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DateTime now = DateTime.Now;
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DateTime startTime = schedule.StartTime;
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DateTime nextStart = new DateTime(now.Year, now.Month, now.Day,
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startTime.Hour, startTime.Minute, startTime.Second);
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int todayWeekDay = (int)now.DayOfWeek;
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nextStart = nextStart.AddDays(schedule.WeekMonthDay - todayWeekDay);
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if (nextStart < now) // start time is in the past
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nextStart = nextStart.AddDays(7); // run next week
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schedule.NextRun = nextStart;
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}
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else if (schedule.ScheduleType == ScheduleType.Monthly)
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{
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DateTime now = DateTime.Now;
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DateTime startTime = schedule.StartTime;
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DateTime nextStart = new DateTime(now.Year, now.Month, now.Day,
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startTime.Hour, startTime.Minute, startTime.Second);
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int todayDay = now.Day;
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nextStart = nextStart.AddDays(schedule.WeekMonthDay - todayDay);
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if (nextStart < now) // start time is in the past
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nextStart = nextStart.AddMonths(1); // run next month
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schedule.NextRun = nextStart;
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}
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}
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public static int AddSchedule(ScheduleInfo schedule)
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{
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// check account
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int accountCheck = SecurityContext.CheckAccount(DemandAccount.NotDemo | DemandAccount.IsActive);
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if (accountCheck < 0) return accountCheck;
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// check quota
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if (PackageController.GetPackageQuota(schedule.PackageId, Quotas.OS_SCHEDULEDTASKS).QuotaExhausted)
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return BusinessErrorCodes.ERROR_OS_SCHEDULED_TASK_QUOTA_LIMIT;
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CalculateNextStartTime(schedule);
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string xmlParameters = BuildParametersXml(schedule.Parameters);
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int scheduleId = DataProvider.AddSchedule(SecurityContext.User.UserId,
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schedule.TaskId, schedule.PackageId, schedule.ScheduleName, schedule.ScheduleTypeId,
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schedule.Interval, schedule.FromTime, schedule.ToTime, schedule.StartTime,
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schedule.NextRun, schedule.Enabled, schedule.PriorityId,
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schedule.HistoriesNumber, schedule.MaxExecutionTime, schedule.WeekMonthDay, xmlParameters);
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// re-schedule tasks
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Scheduler.ScheduleTasks();
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return scheduleId;
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}
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public static int UpdateSchedule(ScheduleInfo schedule)
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{
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// check account
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int accountCheck = SecurityContext.CheckAccount(DemandAccount.NotDemo | DemandAccount.IsActive);
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if (accountCheck < 0) return accountCheck;
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// load original schedule
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ScheduleInfo originalSchedule = GetScheduleInternal(schedule.ScheduleId);
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schedule.LastRun = schedule.LastRun;
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CalculateNextStartTime(schedule);
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string xmlParameters = BuildParametersXml(schedule.Parameters);
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DataProvider.UpdateSchedule(SecurityContext.User.UserId,
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schedule.ScheduleId, schedule.TaskId, schedule.ScheduleName, schedule.ScheduleTypeId,
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schedule.Interval, schedule.FromTime, schedule.ToTime, schedule.StartTime,
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schedule.LastRun, schedule.NextRun, schedule.Enabled, schedule.PriorityId,
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schedule.HistoriesNumber, schedule.MaxExecutionTime, schedule.WeekMonthDay, xmlParameters);
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// re-schedule tasks
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Scheduler.ScheduleTasks();
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return 0;
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}
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private static string BuildParametersXml(ScheduleTaskParameterInfo[] parameters)
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{
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XmlDocument doc = new XmlDocument();
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XmlElement nodeProps = doc.CreateElement("parameters");
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if (parameters != null)
|
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{
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foreach (ScheduleTaskParameterInfo parameter in parameters)
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{
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XmlElement nodeProp = doc.CreateElement("parameter");
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nodeProp.SetAttribute("id", parameter.ParameterId);
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nodeProp.SetAttribute("value", parameter.ParameterValue);
|
||||
nodeProps.AppendChild(nodeProp);
|
||||
}
|
||||
}
|
||||
return nodeProps.OuterXml;
|
||||
}
|
||||
|
||||
public static int DeleteSchedule(int scheduleId)
|
||||
{
|
||||
// check account
|
||||
int accountCheck = SecurityContext.CheckAccount(DemandAccount.NotDemo);
|
||||
if (accountCheck < 0) return accountCheck;
|
||||
|
||||
// stop schedule if active
|
||||
StopSchedule(scheduleId);
|
||||
|
||||
// delete schedule
|
||||
DataProvider.DeleteSchedule(SecurityContext.User.UserId, scheduleId);
|
||||
|
||||
// re-schedule tasks
|
||||
Scheduler.ScheduleTasks();
|
||||
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,132 @@
|
|||
// Copyright (c) 2012, Outercurve Foundation.
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// - Redistributions of source code must retain the above copyright notice, this
|
||||
// list of conditions and the following disclaimer.
|
||||
//
|
||||
// - Redistributions in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// - Neither the name of the Outercurve Foundation nor the names of its
|
||||
// contributors may be used to endorse or promote products derived from this
|
||||
// software without specific prior written permission.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
using System;
|
||||
using System.IO;
|
||||
using System.Threading;
|
||||
using System.Collections.Generic;
|
||||
using System.Text;
|
||||
|
||||
namespace WebsitePanel.EnterpriseServer
|
||||
{
|
||||
public class SchedulerJob
|
||||
{
|
||||
private ScheduleInfo scheduleInfo;
|
||||
private ScheduleTaskInfo task;
|
||||
|
||||
public ScheduleFinished ScheduleFinishedCallback;
|
||||
|
||||
#region public properties
|
||||
public ScheduleInfo ScheduleInfo
|
||||
{
|
||||
get { return this.scheduleInfo; }
|
||||
set { this.scheduleInfo = value; }
|
||||
}
|
||||
|
||||
public ScheduleTaskInfo Task
|
||||
{
|
||||
get { return this.task; }
|
||||
set { this.task = value; }
|
||||
}
|
||||
#endregion
|
||||
|
||||
// Constructor
|
||||
public SchedulerJob()
|
||||
{
|
||||
}
|
||||
|
||||
// Sets the next time this Schedule is kicked off and kicks off events on
|
||||
// a seperate thread, freeing the Scheduler to continue
|
||||
public void Run()
|
||||
{
|
||||
// create worker
|
||||
Thread worker = new Thread(new ThreadStart(RunSchedule));
|
||||
|
||||
// set worker priority
|
||||
switch (scheduleInfo.Priority)
|
||||
{
|
||||
case SchedulePriority.Highest: worker.Priority = ThreadPriority.Highest; break;
|
||||
case SchedulePriority.AboveNormal: worker.Priority = ThreadPriority.AboveNormal; break;
|
||||
case SchedulePriority.Normal: worker.Priority = ThreadPriority.Normal; break;
|
||||
case SchedulePriority.BelowNormal: worker.Priority = ThreadPriority.BelowNormal; break;
|
||||
case SchedulePriority.Lowest: worker.Priority = ThreadPriority.Lowest; break;
|
||||
}
|
||||
|
||||
// start worker!
|
||||
worker.Start();
|
||||
}
|
||||
|
||||
// Implementation of ThreadStart delegate.
|
||||
// Used by Scheduler to kick off events on a seperate thread
|
||||
private void RunSchedule()
|
||||
{
|
||||
// impersonate thread
|
||||
UserInfo user = PackageController.GetPackageOwner(scheduleInfo.PackageId);
|
||||
SecurityContext.SetThreadPrincipal(user.UserId);
|
||||
|
||||
TaskManager.StartTask("SCHEDULER", "RUN_SCHEDULE", scheduleInfo.ScheduleName);
|
||||
TaskManager.PackageId = scheduleInfo.PackageId;
|
||||
TaskManager.ItemId = scheduleInfo.ScheduleId;
|
||||
TaskManager.ScheduleId = scheduleInfo.ScheduleId;
|
||||
TaskManager.MaximumExecutionTime = scheduleInfo.MaxExecutionTime;
|
||||
|
||||
// set task parameters
|
||||
foreach (ScheduleTaskParameterInfo prm in scheduleInfo.Parameters)
|
||||
TaskManager.TaskParameters[prm.ParameterId] = prm.ParameterValue;
|
||||
|
||||
// run task
|
||||
try
|
||||
{
|
||||
// create scheduled task object
|
||||
SchedulerTask objTask = (SchedulerTask)Activator.CreateInstance(Type.GetType(task.TaskType));
|
||||
|
||||
if (objTask != null)
|
||||
objTask.DoWork();
|
||||
else
|
||||
throw new Exception(String.Format("Could not create scheduled task of '{0}' type",
|
||||
task.TaskType));
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
// log error
|
||||
TaskManager.WriteError(ex, "Error executing scheduled task");
|
||||
}
|
||||
finally
|
||||
{
|
||||
// complete task
|
||||
try
|
||||
{
|
||||
TaskManager.CompleteTask();
|
||||
}
|
||||
catch (Exception)
|
||||
{
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue