Esempio n. 1
0
            private void Execute(object obj)
            {
                var observer = (IObserver <TModel>)obj;

                try
                {
                    using (var sqlConnection = KernelDatabase.CreateSqlConnection())
                    {
                        sqlConnection.Open();
                        using (var r = new SqlCommand(SqlBuilder(), sqlConnection).ExecuteReader())
                        {
                            if (r.Read())
                            {
                                var model = ModelBuilder(r);
                                if (model != null)
                                {
                                    observer.OnNext(model);
                                }
                            }
                        }
                        observer.OnCompleted();
                        return;
                    }
                }
                catch (Exception ex)
                {
                    observer.OnError(ex);
                }
            }
Esempio n. 2
0
            private void Execute(object obj)
            {
                var observer = (IObserver <TModel[]>)obj;

                try
                {
                    using (var sqlConnection = KernelDatabase.CreateSqlConnection())
                    {
                        sqlConnection.Open();
                        using (var r = new SqlCommand(SqlBuilder(), sqlConnection).ExecuteReader())
                        {
                            var      ordinal      = OrdinalBuilder(r);
                            var      modelBuilder = ModelBuilder;
                            int      bufferIndex  = 0;
                            TModel[] buffer       = new TModel[10];
                            while (r.Read())
                            {
                                buffer[bufferIndex++] = modelBuilder(ordinal, r);
                                if (bufferIndex < 10)
                                {
                                    continue;
                                }
                                observer.OnNext(buffer);
                                bufferIndex = 0;
                                buffer      = new TModel[10];
                            }
                            if (bufferIndex > 0)
                            {
                                var partialBuffer = new TModel[bufferIndex];
                                Array.Copy(buffer, partialBuffer, bufferIndex);
                                observer.OnNext(partialBuffer);
                            }
                        }
                        observer.OnCompleted();
                    }
                }
                catch (Exception ex)
                {
                    observer.OnError(ex);
                }
            }