private CronTrigger(string expression, DateTime?expiration = null, DateTime?effective = null)
{
try
{
_expression = Cronos.CronExpression.Parse(expression, Cronos.CronFormat.IncludeSeconds);
}
catch (Exception ex)
{
throw new ArgumentException($"The specified '{expression}' is an illegal Cron expression.", ex);
}
this.Expression = _expression.ToString();
this.ExpirationTime = expiration;
this.EffectiveTime = effective;
}
private CronTrigger(string expression, DateTime?expiration = null, DateTime?effective = null, string description = null)
{
if (string.IsNullOrWhiteSpace(expression))
{
throw new ArgumentNullException(nameof(expression));
}
try
{
_expression = Cronos.CronExpression.Parse(expression, Cronos.CronFormat.IncludeSeconds);
}
catch (Exception ex)
{
throw new ArgumentException($"The specified '{expression}' is an illegal cron expression.", ex);
}
this.Expression = _expression.ToString();
this.EffectiveTime = effective.HasValue && effective.Value.ToUniversalTime() <= DateTime.UtcNow ? null : effective;
this.ExpirationTime = expiration.HasValue && expiration.Value.ToUniversalTime() <= DateTime.UtcNow ? DateTime.MinValue : expiration;
this.Description = description;
}