protected override IBaseElement CreateElement(object xpdlItem)
{
Event @event = GetXpdlType <Event>(xpdlItem);
EventElement eventElement = new EventElement();
EventType type = XpdlTypeAttribute.GetCorrespondingEnum <EventType>(@event.Item.GetType());
eventElement.Type = type;
return(eventElement);
}
public override void ProcessActivity(Activity activity, IBaseElement baseElement)
{
EventElement eventElement = GetType <EventElement>(baseElement);
Event @event = new Event();
Type xpdlType = XpdlTypeAttribute.GetCorrespondingType(eventElement.Type);
if (xpdlType != null)
{
@event.Item = Activator.CreateInstance(xpdlType);
}
activity.Item = @event;
}
public static T GetCorrespondingEnum <T>(Type objectType) where T : struct, IConvertible
{
if (!typeof(T).IsEnum)
{
throw new ArgumentException("T must be an enumerated type");
}
Type enumType = typeof(T);
var memberInfos = enumType.GetMembers();
foreach (var memberInfo in memberInfos)
{
XpdlTypeAttribute attribute = memberInfo.GetCustomAttribute(typeof(XpdlTypeAttribute)) as XpdlTypeAttribute;
if (attribute != null && attribute.XpdlType == objectType)
{
T result = (T)Enum.Parse(enumType, memberInfo.Name);
return(result);
}
}
throw new EnumNotFoundException(enumType, objectType);
}
public static Type GetCorrespondingType <T>(T enumType) where T : struct, IConvertible
{
Type result = null;
if (!typeof(T).IsEnum)
{
throw new ArgumentException("T must be an enumerated type");
}
var type = typeof(T);
var memberInfo = type.GetMember(enumType.ToString());
if (memberInfo.Length > 0)
{
XpdlTypeAttribute attribute = memberInfo[0].GetCustomAttribute(typeof(XpdlTypeAttribute)) as XpdlTypeAttribute;
if (attribute != null)
{
result = attribute.XpdlType;
}
}
return(result);
}
