Exemple #1
0
        public void ExecutePendingQueries()
        {
            IQuery query;

            while (GetSafeQueueCount() > 0)
            {
                query = null;

                lock (queue) {
                    if (queue.Count > 0)
                    {
                        query = queue.Dequeue();
                    }
                }

                if (query != null)
                {
                    if (db.ExecuteQuery(query))
                    {
                        // query прошло, дать потребителю знать
                        OutputMessage("Выполненный запрос #0x" + query.GetHashCode().ToString("X"));
                    }
                    else
                    {
                        // если запрос не выполнился, покажи сообщение из СУБД
                        OutputMessage(db.GetLastResponse());
                    }
                }
            }
        }
Exemple #2
0
        private void btnSearch_Click(object sender, EventArgs e)
        {
            SearchBegin(this, new EventArgs());

            string QueryText = tbQuery.Text;

            QueryText = fmInvIndex.ClearText(QueryText);
            RussianStemmer RStemmer   = new RussianStemmer();
            List <string>  queryWords = QueryText.Split(' ').ToList().Select(t => RStemmer.Stem(t)).Where(t => t.Length > 2)
                                        .OrderBy(t => t).ToList();

            lblQueryForIIView.Text = queryWords.Aggregate((l, r) => l + " " + r);

            pnResponses.Controls.Clear();

            if (queryWords.Count == 0)
            {
                MessageBox.Show("По данному запросу ничего не найдено");
                return;
            }


            List <int> resultIDs = new List <int>();

            if (openFileDialog.SafeFileName.Split('.').Last() == "ii")
            {
                resultIDs = SearchInSimpleInvertedIndex(queryWords);
            }
            else
            {
                resultIDs = SearchInCompressedInvertedIndex(queryWords);
            }

            if (resultIDs == null || resultIDs.Count == 0)
            {
                MessageBox.Show("По данному запросу ничего не найдено");
                return;
            }

            string forQuery = "(" + resultIDs.Select(n => n.ToString()).Aggregate((l, r) => l + "," + r) + ")";


            string sql = "SELECT [u].[Text] [URL] FROM [dbo].[Urls] [u] inner join [dbo].[Pages] [p] on [u].[UrlId] = [p].[MainUrl_UrlId] WHERE [p].[Id] in " +
                         forQuery;

            Connection.Open();
            DataTable dt = Connection.ExecuteQuery(sql);

            Connection.Close();

            dgv.DataSource = new DataView(dt);
            pnResponses.Controls.Add(dgv);

            SearchEnd(this, new EventArgs());
        }
        public EmployeeResponse RetrieveEmployeeMetrics(string email)
        {
            using (IServiceScope scope = ServiceProvider.CreateScope())
            {
                IDBConnection dbConnection = scope.ServiceProvider.GetRequiredService <IDBConnection>();
                dbConnection.Connect();

                var result = dbConnection.ExecuteQuery <EmployeeMetrics>(QueryGenerator.GetEmployeeMetricsHeader() + QueryGenerator.WhereEmail(email));

                return(result.Any() ? new EmployeeResponse(result.First()) : null);
            }
        }
        public EttEmployee RetrieveEmployeeInfo(string email)
        {
            using (IServiceScope scope = ServiceProvider.CreateScope())
            {
                IDBConnection dbConnection = scope.ServiceProvider.GetRequiredService <IDBConnection>();
                dbConnection.Connect();
                var query  = QueryGenerator.GetEmployeeInfo(email);
                var result = dbConnection.ExecuteQuery <EttEmployee>(query);

                return(result.Any() ? result.First() : null);
            }
        }
        public List <EmployeeResponse> RetrieveAllEmployeeMetrics()
        {
            using (IServiceScope scope = ServiceProvider.CreateScope())
            {
                IDBConnection dbConnection = scope.ServiceProvider.GetRequiredService <IDBConnection>();
                dbConnection.Connect();

                var results       = dbConnection.ExecuteQuery <EmployeeMetrics>(QueryGenerator.GetEmployeeMetricsHeader() + QueryGenerator.WhereRole("Developer"));
                var castedResults = new List <EmployeeResponse>();
                foreach (var res in results)
                {
                    castedResults.Add(new EmployeeResponse(res));
                }
                return(castedResults.Any() ? castedResults : null);
            }
        }
Exemple #6
0
        private void LoadDataFromDB(bool ReconnectFlag = true)
        {
            if (ReconnectFlag || Connection == null)
            {
                if (Connection != null)
                {
                    Connection.Close();
                }
                Connection = DBConnection.GetInstance(GetConnectionString());
            }

            string sql = "SELECT [Id],[Content] FROM [dbo].[Pages];";

            Connection.Open();
            DataTable dt = Connection.ExecuteQuery(sql);

            Connection.Close();

            DocumentCorpus.Adapter(dt);
        }