using Common.Logging;
namespace Quartz.Examples.Example1
{
/// <summary>
/// This is just a simple job that says "Hello" to the world.
/// </summary>
/// <author>Bill Kratzer</author>
public class HelloJob : IJob
{
private static ILog _log = LogManager.GetLogger(typeof(HelloJob));
/// <summary>
/// Empty constructor for job initilization
/// <p>
/// Quartz requires a public empty constructor so that the
/// scheduler can instantiate the class whenever it needs.
/// </p>
/// </summary>
public HelloJob()
{
}
/// <summary>
/// Called by the <see cref="IScheduler" /> when a
/// <see cref="Trigger" /> fires that is associated with
/// the <see cref="IJob" />.
/// </summary>
public virtual void Execute(JobExecutionContext context)
{
// Say Hello to the World and display the date/time
_log.Info(string.Format("Hello World! - {0}", System.DateTime.Now.ToString("r")));
}
}
}
ILog log = LogManager.GetLogger(typeof(SimpleExample));
log.Info("------- Initializing ----------------------");
// First we must get a reference to a scheduler
ISchedulerFactory sf = new StdSchedulerFactory();
IScheduler sched = sf.GetScheduler();
log.Info("------- Initialization Complete -----------");
log.Info("------- Scheduling Jobs -------------------");
// computer a time that is on the next round minute
DateTime runTime = TriggerUtils.GetEvenMinuteDate(new NullableDateTime(DateTime.Now));
// define the job and tie it to our HelloJob class
JobDetail job = new JobDetail("job1", "group1", typeof(HelloJob));
// Trigger the job to run on the next round minute
SimpleTrigger trigger = new SimpleTrigger("trigger1", "group1", runTime);
// Tell quartz to schedule the job using our trigger
sched.ScheduleJob(job, trigger);
log.Info(string.Format("{0} will run at: {1}", job.FullName, runTime.ToString("r")));
// Start up the scheduler (nothing can actually run until the
// scheduler has been started)
sched.Start();
log.Info("------- Started Scheduler -----------------");
// wait long enough so that the scheduler as an opportunity to
// run the job!
log.Info("------- Waiting 90 seconds -------------");
// wait 90 seconds to show jobs
Thread.Sleep(90 * 1000);
// shut down the scheduler
log.Info("------- Shutting Down ---------------------");
sched.Shutdown(true);
log.Info("------- Shutdown Complete -----------------");
如您所见,使用 quartz 相当简单,在第二课中,我们将给出一个 Job 和 Trigger 的快速预览,这样就能够充分理解这个例子。 *、创新、研究、探索……
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