/// <summary>
/// Registers a cron job.
/// </summary>
/// <param name="name">The name of the job.</param>
/// <param name="jobType">The job's type.</param>
/// <param name="cron">The cron expression to use.</param>
/// <param name="retryBehavior">The <see cref="RetryBehavior"/> to use.</param>
protected void RegisterJob(string name, Type jobType, string cron, RetryBehavior retryBehavior = null)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentException(nameof(cron));
}
if (jobType == null)
{
throw new ArgumentNullException(nameof(jobType));
}
if (cron == null)
{
throw new ArgumentNullException(nameof(cron));
}
retryBehavior = retryBehavior ?? RetryBehavior.DefaultRetry;
CrontabSchedule.TryParse(cron);
if (!typeof(IJob).GetTypeInfo().IsAssignableFrom(jobType))
{
throw new ArgumentException(
"Cron jobs should extend IJob.", nameof(jobType));
}
_entries.Add(new Entry(name, jobType, cron));
}
static RetryBehavior()
{
DefaultRetryCount = 25;
DefaultRetryInThunk = retries =>
(int)Math.Round(Math.Pow(retries - 1, 4) + 15 + (_random.Next(30) * (retries)));
DefaultRetry = new RetryBehavior(true);
NoRetry = new RetryBehavior(false);
}
protected void RegisterJob <T>(string name, string cron, RetryBehavior retryBehavior = null)
where T : IJob
{
RegisterJob(name, typeof(T), cron, retryBehavior);
}