/// <summary>Enumerates create enumerable in this collection.</summary>
        /// <exception cref="Exception">Thrown when an exception error condition occurs.</exception>
        /// <returns>
        ///     An enumerator that allows foreach to be used to process create enumerable in this collection.
        /// </returns>
        public IEnumerable <T> CreateEnumerable()
        {
            if (Childs.Count == 0)
            {
                return(OriginalQueryable);
            }

            IQueryable newQuery = null;
            var        createAnonymousFromQueryMethod = GetType().GetMethod("CreateAnonymousFromQuery");

            foreach (var child in Childs)
            {
                var childQuery = child.CreateIncludeQuery(OriginalQueryable);

                if (newQuery == null)
                {
                    newQuery = OriginalQueryable.Select(x => new { x, child = childQuery });
                }
                else
                {
                    // REFLECTION: newQuery.CreateAnonymousFromQuery<TElement>(newQuery, childQuery);
                    var createAnonymousFromQueryMethodGeneric = createAnonymousFromQueryMethod.MakeGenericMethod(newQuery.ElementType);
                    newQuery = (IQueryable)createAnonymousFromQueryMethodGeneric.Invoke(this, new object[] { newQuery, childQuery });
                }
            }

            // REFLECTION: newQuery.ToList();
            var toListMethod = typeof(Enumerable).GetMethod("ToList").MakeGenericMethod(newQuery.ElementType);
            var toList       = (IEnumerable <object>)toListMethod.Invoke(null, new object[] { newQuery });

            try
            {
                // TODO: Optimize this code
                while (true)
                {
                    toList = toList.Select(x => ((dynamic)x).x).ToList();

                    if (!toList.Any())
                    {
                        return(new List <T>());
                    }
                }
            }
            catch (Exception)
            {
            }

            var list = toList.Cast <T>().ToList();

#if EF6
            // FIX lazy loading
            QueryIncludeFilterLazyLoading.SetLazyLoaded(list, Childs);
#endif

            // FIX null collection
            QueryIncludeFilterNullCollection.NullCollectionToEmpty(list, Childs);


            return(list);
        }
        /// <summary>Creates the queryable.</summary>
        /// <exception cref="Exception">Thrown when an exception error condition occurs.</exception>
        /// <returns>The new queryable.</returns>
        public IQueryable CreateQueryable()
        {
            if (Childs.Count == 0)
            {
                return(OriginalQueryable);
            }

            IQueryable newQuery = null;
            var        createAnonymousFromQueryMethod = GetType().GetMethod("CreateAnonymousFromQuery");

            foreach (var child in Childs)
            {
                var childQuery = child.CreateIncludeQuery(OriginalQueryable);

                if (newQuery == null)
                {
                    newQuery = OriginalQueryable.Select(x => new { x, q = childQuery });
                }
                else
                {
                    // REFLECTION: newQuery.CreateAnonymousFromQuery<TElement>(newQuery, childQuery);
                    var createAnonymousFromQueryMethodGeneric = createAnonymousFromQueryMethod.MakeGenericMethod(newQuery.ElementType);
                    newQuery = (IQueryable)createAnonymousFromQueryMethodGeneric.Invoke(this, new object[] { newQuery, childQuery });
                }
            }

            return(newQuery);
        }
Example #3
0
        /// <summary>Enumerates create enumerable in this collection.</summary>
        /// <exception cref="Exception">Thrown when an exception error condition occurs.</exception>
        /// <returns>
        ///     An enumerator that allows foreach to be used to process create enumerable in this collection.
        /// </returns>
        public IEnumerable <T> CreateEnumerable()
        {
            if (Childs.Count == 0)
            {
                return(OriginalQueryable);
            }

            IQueryable newQuery = null;
            var        createAnonymousFromQueryMethod = GetType().GetMethod("CreateAnonymousFromQuery");

            foreach (var child in Childs)
            {
                var childQuery = child.CreateIncludeQuery(OriginalQueryable);

                if (newQuery == null)
                {
                    newQuery = OriginalQueryable.Select(x => new { x, child = childQuery });
                }
                else
                {
                    // REFLECTION: newQuery.CreateAnonymousFromQuery<TElement>(newQuery, childQuery);
                    var createAnonymousFromQueryMethodGeneric = createAnonymousFromQueryMethod.MakeGenericMethod(newQuery.ElementType);
                    newQuery = (IQueryable)createAnonymousFromQueryMethodGeneric.Invoke(this, new object[] { newQuery, childQuery });
                }
            }

            // REFLECTION: newQuery.ToList();
            var toListMethod = typeof(Enumerable).GetMethod("ToList").MakeGenericMethod(newQuery.ElementType);
            var toList       = (IEnumerable <object>)toListMethod.Invoke(null, new object[] { newQuery });

            try
            {
                // TODO: Optimize this code
                while (true)
                {
                    toList = toList.Select(x => ((dynamic)x).x).ToList();
                }
            }
            catch (Exception)
            {
            }

            return(toList.Cast <T>());
        }
Example #4
0
        /// <summary>Enumerates create enumerable in this collection.</summary>
        /// <exception cref="Exception">Thrown when an exception error condition occurs.</exception>
        /// <returns>
        ///     An enumerator that allows foreach to be used to process create enumerable in this collection.
        /// </returns>
        public IEnumerable <T> CreateEnumerable()
        {
            IEnumerable <T> newEnumerable;

            switch (Queries.Count)
            {
            case 1:
            {
                var p0 = Queries[0].Select(OriginalQueryable);
                newEnumerable = OriginalQueryable.Select(x => new { x, p0 }).ToList().Select(x => x.x);
                break;
            }

            case 2:
            {
                var p0 = Queries[0].Select(OriginalQueryable);
                var p1 = Queries[1].Select(OriginalQueryable);
                newEnumerable = OriginalQueryable.Select(x => new { x, p0, p1 }).ToList().Select(x => x.x);
                break;
            }

            case 3:
            {
                var p0 = Queries[0].Select(OriginalQueryable);
                var p1 = Queries[1].Select(OriginalQueryable);
                var p2 = Queries[2].Select(OriginalQueryable);
                newEnumerable = OriginalQueryable.Select(x => new { x, p0, p1, p2 }).ToList().Select(x => x.x);
                break;
            }

            case 4:
            {
                var p0 = Queries[0].Select(OriginalQueryable);
                var p1 = Queries[1].Select(OriginalQueryable);
                var p2 = Queries[2].Select(OriginalQueryable);
                var p3 = Queries[3].Select(OriginalQueryable);
                newEnumerable = OriginalQueryable.Select(x => new { x, p0, p1, p2, p3 }).ToList().Select(x => x.x);
                break;
            }

            case 5:
            {
                var p0 = Queries[0].Select(OriginalQueryable);
                var p1 = Queries[1].Select(OriginalQueryable);
                var p2 = Queries[2].Select(OriginalQueryable);
                var p3 = Queries[3].Select(OriginalQueryable);
                var p4 = Queries[4].Select(OriginalQueryable);
                newEnumerable = OriginalQueryable.Select(x => new { x, p0, p1, p2, p3, p4 }).ToList().Select(x => x.x);
                break;
            }

            case 6:
            {
                var p0 = Queries[0].Select(OriginalQueryable);
                var p1 = Queries[1].Select(OriginalQueryable);
                var p2 = Queries[2].Select(OriginalQueryable);
                var p3 = Queries[3].Select(OriginalQueryable);
                var p4 = Queries[4].Select(OriginalQueryable);
                var p5 = Queries[5].Select(OriginalQueryable);
                newEnumerable = OriginalQueryable.Select(x => new { x, p0, p1, p2, p3, p4, p5 }).ToList().Select(x => x.x);
                break;
            }

            case 7:
            {
                var p0 = Queries[0].Select(OriginalQueryable);
                var p1 = Queries[1].Select(OriginalQueryable);
                var p2 = Queries[2].Select(OriginalQueryable);
                var p3 = Queries[3].Select(OriginalQueryable);
                var p4 = Queries[4].Select(OriginalQueryable);
                var p5 = Queries[5].Select(OriginalQueryable);
                var p6 = Queries[6].Select(OriginalQueryable);
                newEnumerable = OriginalQueryable.Select(x => new { x, p0, p1, p2, p3, p4, p5, p6 }).ToList().Select(x => x.x);
                break;
            }

            case 8:
            {
                var p0 = Queries[0].Select(OriginalQueryable);
                var p1 = Queries[1].Select(OriginalQueryable);
                var p2 = Queries[2].Select(OriginalQueryable);
                var p3 = Queries[3].Select(OriginalQueryable);
                var p4 = Queries[4].Select(OriginalQueryable);
                var p5 = Queries[5].Select(OriginalQueryable);
                var p6 = Queries[6].Select(OriginalQueryable);
                var p7 = Queries[7].Select(OriginalQueryable);
                newEnumerable = OriginalQueryable.Select(x => new { x, p0, p1, p2, p3, p4, p5, p6, p7 }).ToList().Select(x => x.x);
                break;
            }

            case 9:
            {
                var p0 = Queries[0].Select(OriginalQueryable);
                var p1 = Queries[1].Select(OriginalQueryable);
                var p2 = Queries[2].Select(OriginalQueryable);
                var p3 = Queries[3].Select(OriginalQueryable);
                var p4 = Queries[4].Select(OriginalQueryable);
                var p5 = Queries[5].Select(OriginalQueryable);
                var p6 = Queries[6].Select(OriginalQueryable);
                var p7 = Queries[7].Select(OriginalQueryable);
                var p8 = Queries[8].Select(OriginalQueryable);
                newEnumerable = OriginalQueryable.Select(x => new { x, p0, p1, p2, p3, p4, p5, p6, p7, p8 }).ToList().Select(x => x.x);
                break;
            }

            default:
            {
                throw new Exception(ExceptionMessage.QueryIncludeQuery_ToManyInclude);
            }
            }

            return(newEnumerable);
        }