Monday, July 19, 2010

Quartz.net with ASP.NET implementation...

Just now finished my sample scheduled task with quartz.net in my asp.net web application.....


Here's a complete example how to do this using quartz.net. First of all, you have to create a class which implements the IJobinterface defined by quartz.net. This class is called by the quartz.net scheduler at tne configured time and should therefore contain your send mail functionality:



    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.IO;
    using Quartz;
    
    /// <summary>
    /// Summary description for SendMailJob
    /// </summary>
    public class SendMailJob : IJob
    {
        public void Execute(JobExecutionContext context)
        {
            WriteToFile();
        }
        private static void WriteToFile()
        {
            StreamWriter SW;
            SW = File.CreateText("C:\\Documents and Settings\\chendur\\Desktop\\samp.txt");
            SW.WriteLine("God is greatest of them all");
            SW.WriteLine("This is second line");
            SW.WriteLine(getIndianStandardTime());
            SW.Close();
        }
        public static DateTime getIndianStandardTime()
        {
            TimeZoneInfo IND_ZONE = TimeZoneInfo.FindSystemTimeZoneById("India Standard Time");
            return TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, IND_ZONE);
        }
    }
Next you have to initialize the quartz.net scheduler to invoke your job once a day at 06:00. This can be done in Application_Start of global.asax:
<%@ Application Language="C#" %>
<%@ Import Namespace="Quartz"%>
<%@ Import Namespace="Quartz.Impl" %>

<script runat="server">

    void Application_Start(object sender, EventArgs e) 
    {
        ISchedulerFactory schedFact = new StdSchedulerFactory();
        // get a scheduler
        IScheduler sched = schedFact.GetScheduler();
        sched.Start();
        // construct job info
        JobDetail jobDetail = new JobDetail("mySendMailJob", typeof(SendMailJob));
        // fire every day at 06:00
        //Trigger trigger = TriggerUtils.MakeDailyTrigger(06, 00);
        SimpleTrigger trigger2 = new SimpleTrigger("myTrigger",
                                null,
                                DateTime.UtcNow,
                                null,
                                SimpleTrigger.RepeatIndefinitely,
                                TimeSpan.FromSeconds(60)); 
        //Trigger trigger = TriggerUtils.MakeHourlyTrigger();
        //// start on the next even hour
        //trigger.StartTimeUtc = TriggerUtils.GetEvenHourDate(DateTime.UtcNow);  
        //trigger.Name = "mySendMailTrigger";
        // schedule the job for execution
        sched.ScheduleJob(jobDetail, trigger2);
    }

That's it. Your job should be executed every day at 06:00. For testing, you can create a trigger which fires every minute (for example). Have a look at the method of TriggerUtils.

15 comments:

  1. very nice working code, great dude

    ReplyDelete
  2. You should not lose reference to your StdSchedulerFactory, it should be global. Having a sample job that called SendMailJob is kinda bad example as it doesn't really send email (and Quartz.NET comes prepackaged with a send mail job).

    ReplyDelete
  3. hi this kannadas 8 months exp, Dot Net Developer in VASA Infotech Services Pvt Ltd ,Chennai. Kindly send me the Quertz.net code Example to this mail id:
    kannadas.m@vasaits.com thank you.

    ReplyDelete
  4. Hi Pandiya chendur

    Thanks for the blog It worked fine and I m able to schedule the task
    Thank You very much

    Aman Rohilla

    ReplyDelete
  5. Hi Pandiya,
    I'm working on Quartz.net Ado Job store. Jobs are getting stored into the database. But the Quartz server was unable to schedule jobs presentt in the database. What are the steps I need to follow to make My Quartz Service to fire jobs present in the database.
    Thanks in advance

    ReplyDelete
  6. Hi,

    I have gone through your code. Everything was fine. But How it will execute if the application is not running at that time of scheduling time (at 6 pm).

    ReplyDelete
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