public virtual void Update(Period period, Job job, Unit unit, JobPosition parent)
{
if (period == null || period.Id == null)
{
throw new ArgumentNullException("period");
}
period.CheckModifyingJobPosition();
if (job == null || job.Id == null)
{
throw new ArgumentNullException("job");
}
if (unit == null || unit.Id == null)
{
throw new ArgumentNullException("unit");
}
if (!period.Id.Equals(job.Id.PeriodId))
{
throw new JobPositionCompareException("JobPosition", "Job", "Period");
}
if (!period.Id.Equals(unit.Id.PeriodId))
{
throw new JobPositionCompareException("JobPosition", "Unit", "Period");
}
this.parent = parent;
unitId = unit.Id;
jobId = job.Id;
}