/// <summary>
/// Initializes a new instance of the <see cref="ScheduledJob"/> class.
/// </summary>
/// <param name="options"></param>
protected ScheduledJob(SchedulerOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
CronSchedule = options.CronSchedule;
RunImmediately = options.RunImmediately;
CronTimeZone = options?.CronTimeZone ?? string.Empty;
}
private bool AddJob(string name, IScheduledJob job, SchedulerOptions options)
{
_jobs.AddOrUpdate(name, job, (n, j) => job);
var wrapped = Create(name, job, options);
if (wrapped != null)
{
_wrappedJobs.AddOrUpdate(name, wrapped, (n, v) => wrapped);
return(true);
}
return(false);
}
private SchedulerTaskWrapper?Create(string jobName, IScheduledJob job, SchedulerOptions options)
{
var currentTimeUtc = DateTimeOffset.UtcNow;
var timeZone = TimeZoneInfo.Local;
if (string.IsNullOrEmpty(options.CronSchedule))
{
_logger.MissingCron(jobName, options.CronSchedule);
return(null);
}
if (!string.IsNullOrEmpty(options.CronTimeZone))
{
try
{
timeZone = TimeZoneInfo.FindSystemTimeZoneById(options.CronTimeZone);
}
catch (Exception ex)
{
_logger.TimeZoneParseFailure(jobName, options.CronTimeZone, ex);
timeZone = TimeZoneInfo.Local;
}
}
_logger.TimeZone(jobName, timeZone.Id);
CronExpression crontabSchedule;
if (options.CronSchedule.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries).Length == 6)
{
crontabSchedule = CronExpression.Parse(options.CronSchedule, CronFormat.IncludeSeconds);
}
else
{
crontabSchedule = CronExpression.Parse(options.CronSchedule, CronFormat.Standard);
}
var nextRunTime = options.RunImmediately ? currentTimeUtc : crontabSchedule.GetNextOccurrence(currentTimeUtc, timeZone) !.Value;
return(new SchedulerTaskWrapper(crontabSchedule, job, nextRunTime, timeZone));
}
public bool AddOrUpdate(IScheduledJob job, SchedulerOptions options)
{
var name = job.GetType().Name;
return(AddJob(name, job, options));
}