//private static int SortUnit<T>(T[] array, int low, int high, IComparer<T> comparer,bool asc)
//{
// T key = array[low];
// while (low < high)
// {
// bool result = asc ? comparer.Compare(array[high], key) > -1 : comparer.Compare(array[high], key) < 1;
// while (result && high > low)
// {
// --high;
// result = asc ? comparer.Compare(array[high], key) > -1 : comparer.Compare(array[high], key) < 1;
// }
// array[low] = array[high];
// result = asc ? comparer.Compare(array[low], key) <1 : comparer.Compare(array[low], key) >-1;
// while (result && high > low)
// {
// ++low;
// result = asc ? comparer.Compare(array[low], key) < 1 : comparer.Compare(array[low], key) > -1;
// }
// array[high] = array[low];
// }
// array[low] = key;
// return high;
//}
//private static void SortCore<T>(T[] array,int low,int high, IComparer<T> comparer, bool asc)
//{
// if (low >= high)
// return;
// int index = SortUnit(array, low, high,comparer,asc);
// SortCore(array, low, index - 1,comparer,asc);
// SortCore(array, index + 1, high,comparer,asc);
//}
public static IEnumerable <T> Sort <T>(this IEnumerable <T> source, bool asc = true, IComparer <T> comparer = null)
{
if (comparer == null)
{
comparer = new CommonComparer <T>();
}
T[] array = source.ToArray();
Array.Sort(array, comparer);
if (!asc)
{
return(array.Reverse());
}
return(array);
}
public DataPrivilegeContext(List <TRule> rules,
TDbContext dbContext,
IDataPrivilegeFieldProvider dataPrivilegeFieldProvider,
DataPrivilegeVisitor <TDbContext, TEntity> dataPrivilegeVisitor)
{
Rules = rules;
var comparer = new CommonComparer <TRule>((x, y) => {
int left = x.ConditionExpression.GetHashCode();
int right = y.ConditionExpression.GetHashCode();
return(left.CompareTo(right));
});
Rules.Sort(comparer);
DbContext = dbContext;
DataPrivilegeFieldProvider = dataPrivilegeFieldProvider;
DataPrivilegeVisitor = dataPrivilegeVisitor;
}