/// <summary>
/// Populates this <see cref="AerobicWeeklyGoal"/> instance from the data in the XML.
/// </summary>
///
/// <param name="typeSpecificXml">
/// The XML to get the aerobic goal data from.
/// </param>
///
/// <exception cref="InvalidOperationException">
/// The first node in <paramref name="typeSpecificXml"/> is not
/// an aerobic-session node.
/// </exception>
///
protected override void ParseXml(IXPathNavigable typeSpecificXml)
{
XPathNavigator aerobicWeeklyNav =
typeSpecificXml.CreateNavigator().SelectSingleNode(
"aerobic-weekly");
Validator.ThrowInvalidIfNull(aerobicWeeklyNav, Resources.AerobicWeeklyUnexpectedNode);
_session = new AerobicBase();
_session.ParseXml(aerobicWeeklyNav.SelectSingleNode("session"));
_recurrence =
aerobicWeeklyNav.SelectSingleNode("recurrence").ValueAsInt;
}
/// <summary>
/// Creates a new instance of the <see cref="AerobicWeeklyGoal"/> class
/// with the specified session data.
/// </summary>
///
/// <param name="session">
/// An aerobic session that defines the goal.
/// </param>
///
/// <param name="recurrence">
/// The number of occurrences of the session required in a week to
/// meet the goal.
/// </param>
///
/// <exception cref="ArgumentNullException">
/// The <paramref name="session"/> parameter is <b>null</b>.
/// </exception>
///
/// <exception cref="ArgumentOutOfRangeException">
/// The <paramref name="recurrence"/> parameter is negative or zero.
/// </exception>
///
public AerobicWeeklyGoal(AerobicBase session, int recurrence)
: base(TypeId)
{
AerobicSession = session;
Recurrence = recurrence;
}