public StudyJobInfo(TTarget target, LanguageEdit language, DateTime expirationDate, object criteria)
{
Id = Guid.NewGuid();
Target = target;
ExpirationDate = expirationDate;
Criteria = new StudyJobCriteria(language);
}
/// <summary>
/// Creates a new StudyJobInfo object with the given "immutable" parameters.
/// Product however can be set once externally (e.g. when the job is done).
/// ExpectedPrecision defaults to 0, ie anything will do.
/// </summary>
public StudyJobInfo(TTarget target, LanguageEdit language, DateTime expirationDate, double expectedPrecision)
{
Id = Guid.NewGuid();
Target = target;
ExpirationDate = expirationDate;
Criteria = new StudyJobCriteria(language, expectedPrecision);
}