Exemplo n.º 1
0
        public Sequence(FasterReadOnlyList <T> itemsToSort)
        {
            _ordered = FasterList <T> .PreInit((uint)SequenceCache <En> .cachedEnum.Count);

            var counted    = 0;
            var cachedEnum = SequenceCache <En> .cachedEnum;

            foreach (var item in itemsToSort)
            {
                var type = item.GetType();

                Check.Require(type.IsDefined(typeof(SequencedAttribute))
                              , $"Sequenced item not tagged as Sequenced {type.Name}");
                var typeName = type.GetCustomAttribute <SequencedAttribute>().name;
                Check.Require(cachedEnum.ContainsKey(typeName)
                              , $"Sequenced item not contained in the sequence {typeof(En).Name}: {typeName}");
                var index = cachedEnum[typeName];
                counted++;
                Check.Require(_ordered[index] == null
                              , $"Items to sequence contains duplicate, {typeName} (wrong sequenced attribute name?)");
                _ordered[index] = item;
            }

#if DEBUG && !PROFILE_SVELTO
            if (counted != cachedEnum.Count)
            {
                var debug = new HashSet <string>();

                foreach (var debugItem in itemsToSort)
                {
                    debug.Add(debugItem.GetType().GetCustomAttribute <SequencedAttribute>().name);
                }

                foreach (var debugSequence in cachedEnum.Keys)
                {
                    if (debug.Contains(debugSequence) == false)
                    {
                        throw new Exception(
                                  $"The sequence {typeof(En).Name} wasn't fully satisfied, missing sequenced item {debugSequence}");
                    }
                }
            }
#endif
        }