public async Task ExecuteJobAsync(ICronJob cronJob)
{
_logger.LogInformation($"Executing {cronJob}");
await cronJob.ExecuteAsync(_token);
_logger.LogInformation($"Finished {cronJob}");
}
public JobHandler(Guid jobId, ICronJob cronJob, string cronExpression, IServiceScopeFactory serviceScopeFactory)
{
JobId = jobId;
_cronJob = cronJob;
_serviceScopeFactory = serviceScopeFactory;
_cronParser = new CronParser(new CronDateTimeService());
_cronExpression = _cronParser.Parse(cronExpression);
}
/// <summary>
/// Gets an <see cref="EventLogAdapter"/> instance, writing to the "Application" event log with a source name of "NCron".
/// </summary>
/// <param name="job">The job which the log will be used with. This parameter is ignored.</param>
/// <returns>An <see cref="EventLogAdapter"/>, writing to the "Application" event log with a source name of "NCron".</returns>
public ILog GetLogForJob(ICronJob job)
{
var eventLog = new EventLog {
Source = Bootstrap.ApplicationName
};
return(new EventLogAdapter(eventLog));
}
/// <summary>
/// 移除任务
/// </summary>
/// <param name="job">被移除任务</param>
/// <returns></returns>
public bool RemoveJob(ICronJob job)
{
lock (JobLock)
{
job.abort();
return(_cronJobs.Remove(job));
}
}
private static bool GetJob(string className, out ICronJob job)
{
try
{
Type classType = Type.GetType(className, true);
job = (ICronJob)Activator.CreateInstance(classType);
return(true);
}
catch
{
Console.WriteLine("Invalid job name.");
PrintUsage();
job = null;
return(false);
}
}
public void AddCronJob(ICronJob cronJob)
{
if (cronJob == null)
{
throw new ArgumentNullException("cronJob");
}
if (cronJob.Enabled)
{
_recurringJobManager.AddOrUpdate(cronJob.Name,
() => cronJob.Execute(JobCancellationToken.Null),
cronJob.Schedule);
}
else
{
_recurringJobManager.RemoveIfExists(cronJob.Name);
}
}
private async Task RunCronJob <T>() where T : ICronJob
{
using (var serviceScope = _serviceScopeFactory.CreateScope())
{
_cronJob = serviceScope.ServiceProvider.GetService <T>();
while (!_cancellationTokenSource.Token.IsCancellationRequested)
{
var timeToNext = _cronExpression.GetTimeToNext();
if (!timeToNext.HasValue)
{
return;
}
await Task.Delay((int)timeToNext.Value.TotalMilliseconds, _cancellationTokenSource.Token);
await _cronJob.RunJob(_cancellationTokenSource.Token);
}
}
}
private void ExecuteJob(ICronJob job)
{
using (var log = _logFactory.GetLogForJob(job))
{
var context = new CronContext(job, log);
log.Info(() => String.Format("Executing job: {0}", job));
// This inner try-catch serves to report ICronJob failures to the ILog.
// Such exceptions are expected, and are thus handled seperately.
try
{
job.Initialize(context);
job.Execute();
}
catch (Exception exception)
{
log.Error(() => String.Format("The job \"{0}\" threw an unhandled exception.", job),
() => exception);
}
}
}
public ILog GetLogForJob(ICronJob job)
{
var nlogger = LogManager.GetLogger(job.GetType().FullName);
return new LogAdapter(nlogger);
}
public ILog GetLogForJob(ICronJob job)
{
var nlogger = LogManager.GetLogger(job.GetType().FullName);
return(new LogAdapter(nlogger));
}
private void ExecuteJob(ICronJob job)
{
using (var log = _logFactory.GetLogForJob(job))
{
var context = new CronContext(job, log);
log.Info(() => String.Format("Executing job: {0}", job));
// This inner try-catch serves to report ICronJob failures to the ILog.
// Such exceptions are expected, and are thus handled seperately.
try
{
job.Initialize(context);
InvokeJobStarted(new JobEventArgs(job));
job.Execute();
InvokeJobFinished(new JobEventArgs(job));
}
catch (Exception exception)
{
log.Error(() => String.Format("The job \"{0}\" threw an unhandled exception.", job),
() => exception);
}
}
}
/// <summary>
/// Gets an <see cref="EventLogAdapter"/> instance, writing to the "Application" event log with a source name of "NCron".
/// </summary>
/// <param name="job">The job which the log will be used with. This parameter is ignored.</param>
/// <returns>An <see cref="EventLogAdapter"/>, writing to the "Application" event log with a source name of "NCron".</returns>
public ILog GetLogForJob(ICronJob job)
{
var eventLog = new EventLog { Source = ApplicationInfo.ApplicationName };
return new EventLogAdapter(eventLog);
}
/// <summary>
/// Creates a new <see cref="CronContext"/> with all properties explicitly set.
/// </summary>
/// <param name="job">The job being executed.</param>
/// <param name="log">Tog to be used while executing the job in this context.</param>
public CronContext(ICronJob job, ILog log)
{
Job = job;
Log = log;
}
public void Add(ICronJob job)
{
job.JobExecuted += Job_JobExecuted;
job.JobExecuting += Job_JobExecuting;
_cronJobs.Add(job);
}
public void Remove(ICronJob job)
{
_cronJobs.Remove(job);
}
public void AddJob(ICronJob Job)
{
CronJobs.Add(Job);
}
public NCron.Logging.ILog GetLogForJob(ICronJob job)
{
var internalLogger = LogManager.GetLogger(job.GetType());
return(new LogAdapter(internalLogger));
}
public void AddJob(ICronJob job)
{
cron_jobs.Add (job);
}
public JobEventArgs(ICronJob job)
{
Job = job;
}
/// <summary>
/// Creates a new <see cref="CronContext"/> with all properties explicitly set.
/// </summary>
/// <param name="job">The job being executed.</param>
/// <param name="log">Tog to be used while executing the job in this context.</param>
public CronContext(ICronJob job, ILog log)
{
Job = job;
Log = log;
}
protected Thread ExecuteTask(ICronJob cronjob, object parameter)
{
if (cronjob == null)
{
return(null);
}
try
{
switch (cronjob.CheckStatus((ISchemaInfo)parameter))
{
case EComponentStatus.DISABLED:
{
if (LogLevel == ELogLevel.ALL)
{
MyLogger.LogText(string.Format("{0} DISABLED", cronjob.ID), "ServiceBase::ExecuteTask");
}
return(null);
}
case EComponentStatus.WORKING:
{
if (LogLevel == ELogLevel.ALL || LogLevel == ELogLevel.WARN)
{
MyLogger.LogText(string.Format("{0} STILL BUSY", cronjob.ID), "ServiceBase::ExecuteTask");
}
return(null);
}
case EComponentStatus.UNAVAILABLE:
{
if (LogLevel == ELogLevel.ALL)
{
MyLogger.LogText(string.Format("{0} OUT OF DATE ", cronjob.ID), "ServiceBase::ExecuteTask");
}
return(null);
}
case EComponentStatus.READY:
{
if (LogLevel == ELogLevel.ALL || LogLevel == ELogLevel.WARN)
{
MyLogger.LogText(string.Format("{0} STARTED ", cronjob.ID), "ServiceBase::ExecuteTask");
}
#if DEBUG
cronjob.Run(parameter);
return(null);
#else
Thread taskthread = new Thread(new ParameterizedThreadStart(cronjob.Run));
taskthread.Start(parameter);
return(taskthread);
#endif
}
}
return(null);
}
catch (Exception ex)
{
MyLogger.LogException(ex, "ServiceBase::ExecuteTask");
return(null);
}
}
