public Job(Period period, SharedJob sharedJob)
{
if (period == null)
{
throw new ArgumentNullException("period");
}
period.CheckAssigningJob();
if (sharedJob == null)
{
throw new ArgumentNullException("sharedJob");
}
id = new JobId(period.Id, sharedJob.Id);
this.sharedJob = sharedJob;
customFields = new List <JobCustomField>();
jobIndexList = new List <JobJobIndex>();
}