コード例 #1
0
        public Results <TEntity> FindAll(int pageIndex, int pageSize, object sortBy = null)
        {
            BsonDocument doc = new BsonDocument();
            IFindFluent <TEntity, TEntity> res = FindFluent(doc, pageIndex, pageSize, sortBy);

            return(new Results <TEntity>(res.ToList(), res.Count(), pageIndex, pageSize));
        }
コード例 #2
0
        /// <summary>
        /// 分页获取子类对象列表
        /// </summary>
        /// <param name="condition">条件表达式</param>
        /// <param name="pageIndex">页码</param>
        /// <param name="pageSize">页容量</param>
        /// <param name="rowCount">总记录条数</param>
        /// <param name="pageCount">总页数</param>
        /// <returns>子类对象列表</returns>
        protected IFindFluent <TSub, TSub> FindByPage <TSub>(Expression <Func <TSub, bool> > condition, int pageIndex, int pageSize, out int rowCount, out int pageCount) where TSub : T
        {
            IFindFluent <TSub, TSub> list = this.FindAndSort(condition);

            rowCount  = unchecked ((int)list.Count());
            pageCount = (int)Math.Ceiling(rowCount * 1.0 / pageSize);
            return(list.Skip((pageIndex - 1) * pageSize).Limit(pageSize));
        }
コード例 #3
0
        public static PagedList <T> ToPageResult <T>(this IFindFluent <T, T> query, int pageIndex, int pageSize)
        {
            var pageResult = new PagedList <T>();
            var totalCount = query.Count();
            var totalPages = (int)totalCount / pageSize;

            pageResult.TotalPages = totalCount % pageSize == 0 ? totalPages : totalPages + 1;
            pageResult.Rows       = query.Skip(pageIndex * pageSize).Limit(pageSize).ToList();
            pageResult.PageIndex  = pageIndex;
            pageResult.TotalCount = (int)totalCount;
            return(pageResult);
        }
コード例 #4
0
        /// <summary>
        /// 匹配条件获取分页数据集合(异步)
        /// </summary>
        /// <param name="Match"></param>
        /// <param name="Info"></param>
        /// <returns></returns>
        public async Task <IList <T> > FindWithPagerAsync(FilterDefinition <T> Match, PagerInfo Info)
        {
            int pageindex = (Info.CurrenetPageIndex < 1) ? 1 : Info.CurrenetPageIndex;

            int pageSize = (Info.PageSize <= 0) ? 20 : Info.PageSize;

            int excludedRows = (pageindex - 1) * pageSize;

            IFindFluent <T, T> find = GetQueryable(Match);

            Info.RecordCount = (int)find.Count();

            return(await find.Skip(excludedRows).Limit(pageSize).ToListAsync());
        }
コード例 #5
0
        long IQuery <T> .Count()
        {
            IFindFluent <T, T> finder = null;
            var collection            = _db.GetCollection <T>(typeof(T).Name);

            if (whereExp != null)
            {
                finder = collection.Find <T>(whereExp);
            }
            else
            {
                FilterDefinition <T> filter = FilterDefinition <T> .Empty;
                finder = collection.Find <T>(filter);
            }

            return(finder.Count());
        }
コード例 #6
0
ファイル: MongoCursor.cs プロジェクト: anthrax3/BlendedJS
 public object count()
 {
     return(_documents.Count());
 }
コード例 #7
0
 public long Count()
 {
     return(_fluentCursor.Count());
 }
コード例 #8
0
        public Results <TEntity> Find(Expression <Func <TEntity, bool> > exp, int pageIndex, int pageSize, object sortBy = null)
        {
            IFindFluent <TEntity, TEntity> res = FindFluent(exp, pageIndex, pageSize, sortBy);

            return(new Results <TEntity>(res.ToList(), res.Count(), pageIndex, pageSize));
        }
コード例 #9
0
ファイル: Paging.cs プロジェクト: difros/REPO-ts-day
        /// <summary>
        ///
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="collection"></param>
        /// <param name="filter"></param>
        /// <param name="projection"></param>
        private void Apply <T>(IMongoCollection <T> collection, FilterDefinition <T> filter, ProjectionDefinition <T> projection)
        {
            filter = CreateFilters <T>(Filter, filter);

            if (IsAggregate)
            {
                var sortB = Builders <T> .Sort;
                SortDefinition <T> sort = null;

                foreach (var item in Order)
                {
                    switch (item.Direction.ToString())
                    {
                    case "-":
                    {
                        if (sort == null)
                        {
                            sort = sortB.Descending(item.Property);
                        }
                        else
                        {
                            sort = sort.Descending(item.Property);
                        }
                        break;
                    }

                    case "+":
                    {
                        if (sort == null)
                        {
                            sort = sortB.Ascending(item.Property);
                        }
                        else
                        {
                            sort = sort.Ascending(item.Property);
                        }
                        break;
                    }
                    }
                }

                var Group = BsonDocumentWrapper.Parse(JsonConvert.SerializeObject(GroupBy));

                IAggregateFluent <T> query = null;

                var options = new AggregateOptions();

                if (sort != null)
                {
                    query = collection.Aggregate().Match(filter).Sort(sort).Group <T>(Group).Project <T>(BsonDocumentWrapper.Parse("{'id':'$_id','count':'$count'}"));
                }
                else
                {
                    query = collection.Aggregate().Match(filter).Group <T>(Group).Project <T>(BsonDocumentWrapper.Parse("{'id':'$_id','count':'$count'}"));
                }

                Data = query.ToList <T>();
            }
            else
            {
                IFindFluent <T, T> query = null;

                if (filter != null)
                {
                    query = collection.Find(filter);
                }
                else
                {
                    query = collection.Find(x => true);
                }

                if (projection != null)
                {
                    query = query.Project <T>(projection);
                }

                var sortB = Builders <T> .Sort;
                SortDefinition <T> sort = null;

                foreach (var item in Order)
                {
                    switch (item.Direction.ToString())
                    {
                    case "-":
                    {
                        if (sort == null)
                        {
                            sort = sortB.Descending(item.Property);
                        }
                        else
                        {
                            sort = sort.Descending(item.Property);
                        }
                        break;
                    }

                    case "+":
                    {
                        if (sort == null)
                        {
                            sort = sortB.Ascending(item.Property);
                        }
                        else
                        {
                            sort = sort.Ascending(item.Property);
                        }
                        break;
                    }
                    }
                }

                if (sort != null)
                {
                    query.Sort(sort);
                }

                PageSize    = PageSize ?? 1;
                RecordCount = query.Count();
                if (PageSize != int.MaxValue)
                {
                    PageCount  = (RecordCount / PageSize);
                    PageCount += (PageCount < ((float)RecordCount / (float)PageSize)) ? 1 : 0;
                    Data       = query.Skip((PageIndex - 1) * PageSize).Limit(PageSize).ToList <T>();
                }
                else
                {
                    PageCount = 1;
                    Data      = query.ToList <T>();
                }
            }
        }
コード例 #10
0
ファイル: Paging.cs プロジェクト: difros/REPO-ts-day
        /// <summary>
        ///
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <typeparam name="E"></typeparam>
        public void Apply <T, E>()
            where T : class, IDto <E, T>, new()
            where E : class, IDocumentEntity, IEntity, new()
        {
            FilterDefinition <E>     filter     = (CreateFilter == null) ? null : (FilterDefinition <E>)CreateFilter?.Invoke();
            ProjectionDefinition <E> projection = (CreateProjection == null) ? null : (ProjectionDefinition <E>)CreateProjection?.Invoke();

            filter = CreateFilters <E>(Filter, filter);

            if (IsAggregate)
            {
                var query = MongoDbServices.Instance(IntanceMongoDb).GetCollection <E>().Aggregate().Match(filter).Group(projection);
            }
            else
            {
                IFindFluent <E, E> query = null;

                if (filter != null)
                {
                    query = MongoDbServices.Instance(IntanceMongoDb).GetCollection <E>().Find(filter);
                }
                else
                {
                    query = MongoDbServices.Instance(IntanceMongoDb).GetCollection <E>().Find(x => true);
                }

                if (projection != null)
                {
                    query.Project(projection);
                }


                var sortB = Builders <E> .Sort;
                SortDefinition <E> sort = null;

                foreach (var item in Order)
                {
                    switch (item.Direction.ToString())
                    {
                    case "-":
                    {
                        if (sort == null)
                        {
                            sort = sortB.Descending(item.Property);
                        }
                        else
                        {
                            sort = sort.Descending(item.Property);
                        }
                        break;
                    }

                    case "+":
                    {
                        if (sort == null)
                        {
                            sort = sortB.Ascending(item.Property);
                        }
                        else
                        {
                            sort = sort.Ascending(item.Property);
                        }
                        break;
                    }
                    }
                }

                if (sort != null)
                {
                    query.Sort(sort);
                }

                PageSize    = PageSize ?? 1;
                RecordCount = query.Count();
                PageCount   = (RecordCount / PageSize);

                PageCount += (PageCount < ((float)RecordCount / (float)PageSize)) ? 1 : 0;
                Data       = new T().SetEntity(query.Skip((PageIndex - 1) * PageSize).Limit(PageSize).ToList <E>());
            }
        }