public void Update(Selection selection, bool fullSnapshot)
{
Price = selection.Price;
Status = selection.Status;
Tradability = selection.Tradable;
if (fullSnapshot)
{
_tags = new Dictionary<string, string>(StringComparer.InvariantCultureIgnoreCase);
foreach (var key in selection.TagKeys)
_tags.Add(key, selection.GetTagValue(key));
Name = selection.Name;
// Result and PlaceResult (in the context of racing fixtures)
// are only present on a full snapshot
if (selection.Result != null)
{
if (Result == null)
Result = new SelectionResultState(selection.Result);
else
((IUpdatableSelectionResultState)Result).Update(selection.Result);
}
if (selection.PlaceResult != null)
{
if (PlaceResult == null)
PlaceResult = new SelectionResultState(selection.PlaceResult);
else
((IUpdatableSelectionResultState)PlaceResult).Update(selection.PlaceResult);
}
}
UpdateLineOnRollingSelection(selection);
}
public bool IsEquivalentTo(Selection selection, bool checkTags)
{
if (selection == null)
return false;
if (selection.Id != Id)
return false;
if (checkTags)
{
if (selection.TagsCount != TagsCount)
return false;
if (selection.TagKeys.Any(tag => !HasTag(tag) || GetTagValue(tag) != selection.GetTagValue(tag)))
return false;
// if we are here, there is no difference between the stored tags
// and those contained within the selection object...
// we can then proceed to check the selection's fields
// Note that Selection.Name is a shortcut for Selection.GetTagValue("name")
// as Result and PlaceResult are only present when dealing with full snapshots
// we only check these properties if checkTags is true
if (selection.Result != null)
{
if (Result == null)
return false;
if (!Result.IsEquivalentTo(selection.Result))
return false;
}
if (selection.PlaceResult != null)
{
if (PlaceResult == null)
return false;
if (!PlaceResult.IsEquivalentTo(selection.PlaceResult))
return false;
}
}
var result = Price == selection.Price &&
Status == selection.Status &&
Tradability == selection.Tradable;
if (IsRollingSelection)
return result &= Line == ((RollingSelection)selection).Line;
return result;
}