private void checkState()
{
if (_detectChanges)
{
_detectChanges = false;
base.ChangeState(Childs.Any(c => c.IsEnabled));
_detectChanges = true;
}
}
private void CalculateBalance()
{
IsBalanced = true;
TotalWeight = Weight;
if (Childs.Any())
{
foreach (var c in Childs)
{
c.CalculateBalance();
}
// Disc is balanced if all childs have exactly the same weight, ie 1/nth of their total weight
var w = Childs.Select(c => c.TotalWeight).Sum();
TotalWeight += w;
IsBalanced = w % Childs.Length == 0 && Childs.All(c => c.TotalWeight == w / Childs.Length);
}
}
/// <summary>
/// Меняет поле в сущностях для обновления.
/// </summary>
/// <typeparam name="TUpdate">Тип сущности для обновления</typeparam>
/// <param name="toReplace">Сущности для замены, значения { oldEntity, newEntity }</param>
/// <returns>Обновленные сущности</returns>
protected IEnumerable <TUpdate> UpdateInChild <TUpdate>(ISession session, Dictionary <T, T> toReplace)
where TUpdate : IEntity
{
Contract.Requires(Childs.Any());
var selector = GetGetter <TUpdate>();
var setter = GetSetter <TUpdate>();
var olds = toReplace.Keys;
var oldIds = olds.Cast <EntityBase <Guid> >().Select(x => x.Id);
// http://stackoverflow.com/a/1069820/3009578
// from TUpdate e
// where e in olds
ParameterExpression p = selector.Parameters.Single();
IEnumerable <Expression> equals = olds.Select(value =>
(Expression)Expression.Equal(selector.Body,
Expression.Constant(value, typeof(T))));
Expression body = equals.Aggregate((accumulate, equal) =>
Expression.OrElse(accumulate, equal));
var l = Expression.Lambda <Func <TUpdate, bool> >(body, p);
var toUpdate = session
.Query <TUpdate>()
.Where(l)
.ToList();
var compiled = selector.Compile();
toUpdate.ForEach(x => setter(x, toReplace[compiled(x)]));
return(toUpdate);
}
public IEnumerable <string> GetSelect()
{
return(SelectMembers.Where(x => !Childs.Any(y => y.MemberPath == x.MemberPath) && !x.IsComplexType).Select(x => x.MemberPath));
}
internal bool ContainsMember(string member)
{
return DirectTrackedTimeRows.Any(x => x.TeamMember == member) || Childs.Any(x => x.ContainsMember(member));
}
