Beispiel #1
0
        private async void ExecuteSelection(object sender, SelectionArgs e)
        {
            var session = _driver.AsyncSession();

            try
            {
                var worksheet  = ((Worksheet)Application.ActiveSheet);
                var inputrange = e.SelectionRange;

                if (_connected == false)
                {
                    var control = _customTaskPane.Control as ExecuteQuery;
                    ConnectDatabase(this, new ConnectDatabaseArgs {
                        ConnectionString = control.ConnectionString()
                    });
                }

                /*
                 * using (session)
                 * {
                 *  for (int r = 1; r <= inputrange.Rows.Count; r++)
                 *  {
                 *
                 *      string cypher = "";
                 *
                 *      foreach (Range col in inputrange.Rows[r].Columns)
                 *      {
                 *          try
                 *          {
                 *              cypher += col.Cells[1, 1].Value2.ToString();
                 *          }
                 *          catch
                 *          {
                 *
                 *          }
                 *      }
                 *      var result = session.Run(cypher);
                 *
                 *      if (r == inputrange.Rows.Count)
                 *      {
                 *          CurrentControl.SetMessage(result.Summary.Statement.Text);
                 *      }
                 *
                 *  }
                 * }*/
            }
            catch (Neo4jException ex)
            {
                CurrentControl.SetMessage(ex.Message);
            }
            finally
            {
                await session.CloseAsync();
            }
        }
Beispiel #2
0
        private async Task <List <IRecord> > ExecuteCypherQuery(string queryString)
        {
            var            session = _driver.AsyncSession();
            List <IRecord> records = new List <IRecord>();

            try
            {
                if (_connected == false)
                {
                    var control = _customTaskPane.Control as ExecuteQuery;
                    ConnectDatabase(this, new ConnectDatabaseArgs {
                        ConnectionString = control.ConnectionString()
                    });
                }

                var worksheet = ((Worksheet)Application.ActiveSheet);

                try
                {
                    IResultCursor cursor = await session.RunAsync(queryString);

                    records = await cursor.ToListAsync();

                    var summary = await cursor.ConsumeAsync();

                    string summaryText = summary.ToString();

                    CurrentControl.SetMessage("Execution Summary :" + "\n\n" + summaryText);
                    return(records);
                }
                finally
                {
                    await session.CloseAsync();
                }
            }
            catch (Neo4jException ex)
            {
                CurrentControl.SetMessage(ex.Message);
            }
            finally
            {
                await session.CloseAsync();
            }

            return(records);
        }
Beispiel #3
0
        private void ExecuteSelection(object sender, SelectionArgs e)
        {
            try
            {
                var worksheet  = ((Worksheet)Application.ActiveSheet);
                var inputrange = e.SelectionRange;

                if (_connected == false)
                {
                    var control = _customTaskPane.Control as ExecuteQuery;
                    ConnectDatabase(this, new ConnectDatabaseArgs {
                        ConnectionString = control.ConnectionString()
                    });
                }

                using (var session = _driver.Session())
                {
                    for (int r = 1; r <= inputrange.Rows.Count; r++)
                    {
                        string cypher = "";

                        foreach (Range col in inputrange.Rows[r].Columns)
                        {
                            try
                            {
                                cypher += col.Cells[1, 1].Value2.ToString();
                            }
                            catch
                            {
                            }
                        }
                        var result = session.Run(cypher);

                        if (r == inputrange.Rows.Count)
                        {
                            CurrentControl.SetMessage(result.Summary.Statement.Text);
                        }
                    }
                }
            }
            catch (Neo4jException ex)
            {
                CurrentControl.SetMessage(ex.Message);
            }
        }
Beispiel #4
0
        private async void CreateNodes(object sender, SelectionArgs e)
        {
            var control = _customTaskPane.Control as ExecuteQuery;

            if (_connected == false)
            {
                ConnectDatabase(this, new ConnectDatabaseArgs {
                    ConnectionString = control.ConnectionString()
                });
            }
            var session = _driver.AsyncSession();

            try
            {
                var worksheet  = ((Worksheet)Application.ActiveSheet);
                var inputrange = e.SelectionRange;



                control.progress.Report(0);

                if (inputrange.Columns.Count <= 1)
                {
                    CurrentControl.SetMessage("Select more than 1 column");
                }

                string[] properties = new string[inputrange.Columns.Count];
                for (int i = 2; i <= inputrange.Columns.Count; i++)
                {
                    try
                    {
                        properties[i - 2] = Convert.ToString(inputrange.Cells[1, i].Value2);
                    }
                    catch
                    {
                        properties[i - 2] = "property" + (i - 1).ToString();
                    }
                }



                for (int r = 2; r <= inputrange.Rows.Count; r++)
                {
                    control.progress.Report(r / inputrange.Rows.Count * 100);
                    var row   = inputrange.Rows[r];
                    var label = "";
                    try
                    {
                        label = row.Cells[1, 1].Value2.ToString();
                    }
                    catch
                    {
                        label = "NewExcelNode";
                    }

                    string cypher = "MERGE (a: " + label + " { ";
                    int    i      = 2;
                    {
                        string propval = Convert.ToString(row.Cells[1, i].Value2);

                        if (properties[i - 2].Length > 0 && propval.Length > 0)
                        {
                            cypher += "`" + properties[i - 2] + "`" + ": \"" + propval + "\",";
                        }
                    }
                    cypher  = cypher.TrimEnd(',');
                    cypher += "})";



                    if (row.columns.count > 2)
                    {
                        cypher += " SET a += { ";
                        for (i = 3; i <= row.Columns.Count; i++)
                        {
                            string propval = Convert.ToString(row.Cells[1, i].Value2);

                            if (properties[i - 2] != null && propval != null)
                            {
                                if (properties[i - 2].Length > 0 && propval.Length > 0)
                                {
                                    cypher += "`" + properties[i - 2] + "`" + ": \"" + propval + "\",";
                                }
                            }
                        }
                        cypher  = cypher.TrimEnd(',');
                        cypher += "}";
                    }



                    try
                    {
                        IResultCursor cursor = await session.RunAsync(cypher);

                        var records = await cursor.ToListAsync();

                        var summary = await cursor.ConsumeAsync();

                        string message = summary.ToString();
                        if (r == inputrange.Rows.Count)
                        {
                            CurrentControl.SetMessage(message);
                        }
                    }
                    catch (Neo4jException ee)
                    {
                        CurrentControl.SetMessage(ee.Message);
                    }
                }
                await session.CloseAsync();
            }
            catch (Neo4jException ex)
            {
                CurrentControl.SetMessage(ex.Message);
            }
        }
Beispiel #5
0
 private void LoadAllNodes(object sender, SelectionArgs e)
 {
     //ExecuteLoadAllNodes(sender, e);
     ExecuteLoadActiveWorksheet(sender, e);
     CurrentControl.SetMessage("PULL");
 }
Beispiel #6
0
 private void UpdateAllNodes(object sender, SelectionArgs e)
 {
     CurrentControl.SetMessage("PUSH");
     UpdateActiveWorksheet(sender, e);
 }
Beispiel #7
0
 private void SyncAllNodes(object sender, EventArgs e)
 {
     ExecuteLoadAllNodes();
     CurrentControl.SetMessage("SYNC");
 }
Beispiel #8
0
        private async void UpdateActiveWorksheet(object sender, SelectionArgs e)
        {
            var control = _customTaskPane.Control as ExecuteQuery;

            if (_connected == false)
            {
                ConnectDatabase(this, new ConnectDatabaseArgs {
                    ConnectionString = control.ConnectionString()
                });
            }
            var session = _driver.AsyncSession();

            try
            {
                var worksheet  = ((Worksheet)Application.ActiveSheet);
                var inputrange = e.SelectionRange;
                inputrange = worksheet.UsedRange;
                int indexOfIdentifier = 0;

                control.progress.Report(0);

                if (inputrange.Columns.Count <= 1)
                {
                    CurrentControl.SetMessage("Select more than 1 column");
                }


                string[] properties = new string[inputrange.Columns.Count];
                for (int i = 0; i < inputrange.Columns.Count; i++)
                {
                    int excelIndex = i + 1;
                    try
                    {
                        string colName = Convert.ToString(inputrange.Cells[1, excelIndex].Value2);
                        properties[i] = colName;
                        string s = colName.ToLowerInvariant();
                        if (s == "uuid")
                        {
                            indexOfIdentifier = i;
                        }
                    }
                    catch
                    {
                        properties[i - 2] = "property" + (i - 1).ToString();
                    }
                }


                for (int r = 2; r <= inputrange.Rows.Count; r++)
                {
                    control.progress.Report(r / inputrange.Rows.Count * 100);
                    var row   = inputrange.Rows[r];
                    var label = "";
                    try
                    {
                        label = row.Cells[1, 1].Value2.ToString();
                        label = worksheet.Name;
                    }
                    catch
                    {
                        label = "NewExcelNode";
                    }

                    string cypher = "MERGE (a: " + label + " { ";

                    {
                        cypher += GetIdentifierPropertyValue(row, properties, indexOfIdentifier);
                    }
                    cypher  = cypher.TrimEnd(',');
                    cypher += "})";

                    // check if worksheet have 1 property column + 1 data column
                    if (row.columns.count > 1)
                    {
                        cypher += " SET a += { ";
                        for (int i = 0; i < row.Columns.Count; i++)
                        {
                            int excelIndex = i + 1;
                            // Skip first record as it is used in Merge identifier.
                            if (i == indexOfIdentifier)
                            {
                                continue;
                            }
                            string secondRecordValue = Convert.ToString(row.Cells[1, excelIndex].Value2);

                            if (properties[i] != null && secondRecordValue != null)
                            {
                                if (properties[i].Length > 0 && secondRecordValue.Length > 0)
                                {
                                    cypher += "`" + properties[i] + "`" + ": \"" + secondRecordValue + "\",";
                                }
                            }
                        }
                        cypher  = cypher.TrimEnd(',');
                        cypher += "}";
                    }



                    try
                    {
                        IResultCursor cursor = await session.RunAsync(cypher);

                        var records = await cursor.ToListAsync();

                        var summary = await cursor.ConsumeAsync();

                        string message = summary.ToString();
                        if (r == inputrange.Rows.Count)
                        {
                            CurrentControl.SetMessage(message);
                        }
                    }
                    catch (Neo4jException ee)
                    {
                        CurrentControl.SetMessage(ee.Message);
                    }
                }
                await session.CloseAsync();
            }
            catch (Neo4jException ex)
            {
                CurrentControl.SetMessage(ex.Message);
            }
        }
Beispiel #9
0
        private void CreateNodes(object sender, SelectionArgs e)
        {
            try
            {
                var worksheet  = ((Worksheet)Application.ActiveSheet);
                var inputrange = e.SelectionRange;

                if (_connected == false)
                {
                    var control = _customTaskPane.Control as ExecuteQuery;
                    ConnectDatabase(this, new ConnectDatabaseArgs {
                        ConnectionString = control.ConnectionString()
                    });
                }

                using (var session = _driver.Session())
                {
                    if (inputrange.Columns.Count <= 1)
                    {
                        CurrentControl.SetMessage("Select more than 1 column");
                    }

                    string[] properties = new string[inputrange.Columns.Count];
                    for (int i = 2; i <= inputrange.Columns.Count; i++)
                    {
                        try
                        {
                            properties[i - 2] = inputrange.Cells[1, i].Value2.ToString();
                        }
                        catch
                        {
                            properties[i - 2] = "property" + (i - 1).ToString();
                        }
                    }

                    for (int r = 2; r <= inputrange.Rows.Count; r++)
                    {
                        var row   = inputrange.Rows[r];
                        var label = "";
                        try
                        {
                            label = row.Cells[1, 1].Value2.ToString();
                        }
                        catch
                        {
                            label = "NewExcelNode";
                        }

                        string cypher = "MERGE (a: " + label + " { ";
                        for (int i = 2; i <= row.Columns.Count; i++)
                        {
                            cypher += properties[i - 2].ToString() + ": \"" + row.Cells[1, i].Value2.ToString() + "\",";
                        }
                        cypher  = cypher.TrimEnd(',');
                        cypher += "})";

                        var result = session.Run(cypher);
                        if (r == inputrange.Rows.Count)
                        {
                            CurrentControl.SetMessage(result.Summary.Statement.Text);
                        }
                    }
                }
            }
            catch (Neo4jException ex)
            {
                CurrentControl.SetMessage(ex.Message);
            }
        }