/// <summary>
/// Extracts an <see cref="Interval"/> from the data stored below the
/// given context node.
/// </summary>
/// <param name="context">The context <see cref="XmlElement"/>.</param>
/// <returns>An <see cref="Interval"/> constructed from the stored data.</returns>
protected static Interval ToInterval(XmlElement context)
{
if (context != null)
{
try {
return(new Interval(
ToInteger(XPath.Path(context, "periodMultiplier")),
Period.ForCode(ToToken(XPath.Path(context, "period")))));
}
catch (Exception) {
return(null);
}
}
return(null);
}