/// <summary>
/// Initializes a new instance of the <see cref="OrdinalEra" /> class.
/// </summary>
/// <param name="identifier">The identifier.</param>
/// <param name="name">The name.</param>
public OrdinalEra(String identifier, String name, OrdinalReferenceSystem referenceSystem) : base(identifier, name)
{
_group = null;
_eras = new List <OrdinalEra>();
ReferenceSystem = referenceSystem;
Begin = End = null;
}
/// <summary>
/// Initializes a new instance of the <see cref="OrdinalEra" /> class.
/// </summary>
/// <param name="identifier">The identifier.</param>
/// <param name="name">The name.</param>
/// <param name="referenceSystem">The reference system.</param>
/// <param name="begin">The begin of the era.</param>
/// <param name="end">The end of the era.</param>
public OrdinalEra(String identifier, String name, OrdinalReferenceSystem referenceSystem, DateAndTime begin, DateAndTime end)
: base(identifier, name)
{
_group = null;
_eras = new List <OrdinalEra>();
ReferenceSystem = referenceSystem;
Begin = begin;
End = end;
}
