/// <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;
}
/// <summary>
/// Determines whether the specified era is a member of this instance.
/// </summary>
/// <param name="era">The era.</param>
/// <returns><c>true</c> if <paramref name="era" /> is a member; otherwise, <c>false</c>.</returns>
/// <exception cref="System.ArgumentNullException">The era is null.</exception>
public Boolean IsMember(OrdinalEra era)
{
if (era == null)
{
throw new ArgumentNullException("era", "The era is null.");
}
return(era._group == this);
}
/// <summary>
/// Adds an era.
/// </summary>
/// <param name="era">The era.</param>
/// <exception cref="System.ArgumentNullException">The era is null.</exception>
/// <exception cref="System.ArgumentException">The era is already in a group.</exception>
public void AddEra(OrdinalEra era)
{
if (era == null)
{
throw new ArgumentNullException("era", "The era is null.");
}
if (era._group != null)
{
throw new ArgumentException("The era is already in a group.", "era");
}
era._group = this;
_eras.Add(era);
}
/// <summary>
/// Adds an era.
/// </summary>
/// <param name="identifier">The identifier.</param>
/// <param name="name">The name.</param>
/// <param name="begin">The beginning date.</param>
/// <param name="end">The ending date.</param>
/// <exception cref="System.ArgumentException">
/// The beginning date has a different reference system to the eras.
/// or
/// The ending date has a different reference system to the eras.
/// </exception>
public void AddEra(String identifier, String name, Positioning.DateAndTime begin, Positioning.DateAndTime end)
{
if (!Begin.ReferenceSystem.Equals(begin.ReferenceSystem))
{
throw new ArgumentException("The beginning date has a different reference system to the era.", "begin");
}
if (!Begin.ReferenceSystem.Equals(end.ReferenceSystem))
{
throw new ArgumentException("The ending date has a different reference system to the era.", "end");
}
OrdinalEra era = new OrdinalEra(identifier, name, this.ReferenceSystem, begin, end);
era._group = this;
_eras.Add(era);
}