private T GetValue <T>(string name)
{
ChangeTrackedField field = null;
fields.TryGetValue(name, out field);
if (field == null || field.Value == null)
{
return(default(T));
}
return((T)field.Value);
}
internal XElement ToXml()
{
XElement e = new XElement("institution");
foreach (var field in this.fields)
{
ChangeTrackedField ctf = field.Value;
XElement fx = new XElement(ctf.Name, ctf.Value);
if (ctf.LastChange.HasValue)
{
// remember when it was last changed.
fx.SetAttributeValue("changed", ctf.LastChange.Value);
}
e.Add(fx);
}
return(e);
}
private void SetValue(string name, object value, DateTime?changed)
{
ChangeTrackedField field = null;
fields.TryGetValue(name, out field);
if (field == null)
{
field = new ChangeTrackedField()
{
Name = name
};
fields[name] = field;
}
if (field.Value != value)
{
field.Value = value;
field.LastChange = changed;
}
}