public bool IsEqualTo(ISelectionState selection)
{
if (selection == null)
{
throw new ArgumentNullException("selection", "selection is null in SelectionState comparison");
}
if (ReferenceEquals(this, selection))
{
return(true);
}
if (selection.Id != Id)
{
throw new Exception("Cannot compare two selections with different Ids");
}
bool ret = (selection.Name == null || selection.Name == this.Name) &&
this.Price == selection.Price &&
this.Tradability == selection.Tradability &&
this.Status == selection.Status;
if (IsRollingSelection)
{
ret &= Line == selection.Line;
}
if (Result != null)
{
if (selection.Result == null)
{
return(false);
}
ret &= Result.IsEqualTo(selection.Result);
}
else if (selection.Result != null)
{
return(false);
}
if (PlaceResult != null)
{
if (selection.PlaceResult == null)
{
return(false);
}
ret &= PlaceResult.IsEqualTo(selection.PlaceResult);
}
else if (selection.PlaceResult != null)
{
return(false);
}
return(ret);
}
