Ejemplo n.º 1
0
        // 发起一次书目检索
        // 发起检索成功后,调主应该用 SearchResponseEvent 事件接收检索结果
        // return:
        //      -1  出错
        //      0   没有检索目标
        //      1   成功发起检索
        public int BeginSearchBiblio(
            string userNameList,
#if NO
            string operation,
            string inputSearchID,
            string dbNameList,
            string queryWord,
            string fromList,
            string matchStyle,
            string formatList,
            long maxResults,
#endif
            SearchRequest searchParam,
            out string outputSearchID,
            out string strError)
        {
            strError       = "";
            outputSearchID = "";

            AddInfoLine("BeginSearchBiblio "
                        + "; userNameList=" + userNameList
#if NO
                        + "; operation=" + operation
                        + "; searchID=" + inputSearchID
                        + "; dbNameList=" + dbNameList
                        + "; queryWord=" + queryWord
                        + "; fromList=" + fromList
                        + "; matchStyle=" + matchStyle
                        + "; formatList=" + formatList
                        + "; maxResults=" + maxResults
#endif
                        );
            try
            {
                Task <MessageResult> task = HubProxy.Invoke <MessageResult>("RequestSearchBiblio",
                                                                            userNameList,
#if NO
                                                                            inputSearchID,
                                                                            dbNameList,
                                                                            queryWord,
                                                                            fromList,
                                                                            matchStyle,
                                                                            formatList,
                                                                            maxResults
#endif
                                                                            searchParam
                                                                            );

#if NO
                while (task.IsCompleted == false)
                {
                    Application.DoEvents();
                    Thread.Sleep(200);
                }
#endif
                WaitTaskComplete(task);

                if (task.IsFaulted == true)
                {
                    // AddErrorLine(GetExceptionText(task.Exception));
                    strError = GetExceptionText(task.Exception);
                    AddInfoLine("BeginSearchBiblio inputSearchID=" + searchParam.SearchID
                                + "; return error=" + strError + " value="
                                + -1);
                    return(-1);
                }

                MessageResult result = task.Result;
                if (result.Value == -1)
                {
                    // AddErrorLine(result.ErrorInfo);
                    strError = result.ErrorInfo;
                    AddInfoLine("BeginSearchBiblio inputSearchID=" + searchParam.SearchID
                                + "; return error=" + strError + " value="
                                + -1);
                    return(-1);
                }
                if (result.Value == 0)
                {
                    // AddErrorLine(result.ErrorInfo);
                    strError = result.ErrorInfo;
                    AddInfoLine("BeginSearchBiblio inputSearchID=" + searchParam.SearchID
                                + "; return error=" + strError + " value="
                                + 0);
                    return(0);
                }
                // AddMessageLine("search ID:", result.String);
                outputSearchID = result.String;
                AddInfoLine("BeginSearchBiblio inputSearchID=" + searchParam.SearchID
                            + "; return value="
                            + 1);
                return(1);
            }
            catch (Exception ex)
            {
                strError = ex.Message;  //  ExceptionUtil.GetAutoText(ex);
                AddInfoLine("BeginSearchBiblio inputSearchID=" + searchParam.SearchID
                            + "; return error=" + strError + " value="
                            + -1);
                return(-1);
            }
        }
Ejemplo n.º 2
0
        // 发起一次书目检索
        // 发起检索成功后,调主应该用 SearchResponseEvent 事件接收检索结果
        // return:
        //      -1  出错
        //      0   没有检索目标
        //      1   成功发起检索
        public int BeginSearchBiblio(
            string inputSearchID,
            string dbNameList,
            string queryWord,
            string fromList,
            string matchStyle,
            string formatList,
            long maxResults,
            out string outputSearchID,
            out string strError)
        {
            strError       = "";
            outputSearchID = "";

            try
            {
                Task <MessageResult> task = HubProxy.Invoke <MessageResult>("RequestSearchBiblio",
                                                                            inputSearchID,
                                                                            dbNameList,
                                                                            queryWord,
                                                                            fromList,
                                                                            matchStyle,
                                                                            formatList,
                                                                            maxResults);

                while (task.IsCompleted == false)
                {
                    Application.DoEvents();
                    Thread.Sleep(200);
                }

                if (task.IsFaulted == true)
                {
                    // AddErrorLine(GetExceptionText(task.Exception));
                    strError = GetExceptionText(task.Exception);
                    return(-1);
                }

                MessageResult result = task.Result;
                if (result.Value == -1)
                {
                    // AddErrorLine(result.ErrorInfo);
                    strError = result.ErrorInfo;
                    return(-1);
                }
                if (result.Value == 0)
                {
                    // AddErrorLine(result.ErrorInfo);
                    strError = result.ErrorInfo;
                    return(0);
                }
                // AddMessageLine("search ID:", result.String);
                outputSearchID = result.String;
                return(1);
            }
            catch (Exception ex)
            {
                strError = ex.Message;
                return(-1);
            }
        }
Ejemplo n.º 3
0
        async Task DeleteUser()
        {
            string strError = "";

            if (this.listView1.SelectedItems.Count == 0)
            {
                strError = "尚未选定要删除的事项";
                goto ERROR1;
            }

            {
                DialogResult result = MessageBox.Show(this,
                                                      "确实要删除选定的 " + this.listView1.SelectedItems.Count.ToString() + " 个用户?",
                                                      "UserManageDialog",
                                                      MessageBoxButtons.YesNo,
                                                      MessageBoxIcon.Question,
                                                      MessageBoxDefaultButton.Button2);
                if (result != DialogResult.Yes)
                {
                    return;
                }
            }

            List <User> users = new List <User>();

            foreach (ListViewItem item in this.listView1.SelectedItems)
            {
                User user = (User)item.Tag;
                users.Add(user);
            }

            this.EnableControls(false);
            try
            {
                MessageResult result = await this.Connection.SetUsers("delete", users);

                if (result.Value == -1)
                {
                    strError = result.ErrorInfo;
                    goto ERROR1;
                }
            }
            catch (AggregateException ex)
            {
                strError = MessageConnection.GetExceptionText(ex);
                goto ERROR1;
            }
            catch (Exception ex)
            {
                strError = ex.Message;
                goto ERROR1;
            }
            finally
            {
                this.EnableControls(true);
            }

            foreach (ListViewItem item in this.listView1.SelectedItems)
            {
                this.listView1.Items.Remove(item);
            }

            this.Changed = true;
            return;

ERROR1:
            this.Invoke((Action)(() =>
            {
                MessageBox.Show(this, strError);
            }
                                 ));
        }
Ejemplo n.º 4
0
        // 进行检索并得到结果
        // 这是将发出和接受消息结合起来的功能比较完整的 API
        public Task <SearchResult> SearchAsync(
            string strRemoteUserName,
            SearchRequest request,
            TimeSpan timeout,
            CancellationToken token)
        {
            return(Task.Factory.StartNew <SearchResult>(() =>
            {
                SearchResult result = new SearchResult();

                if (string.IsNullOrEmpty(request.TaskID) == true)
                {
                    request.TaskID = Guid.NewGuid().ToString();
                }

                MessageResult message = HubProxy.Invoke <MessageResult>(
                    "RequestSearch",
                    strRemoteUserName,
                    request).Result;
                if (message.Value == -1 || message.Value == 0)
                {
                    result.ErrorInfo = message.ErrorInfo;
                    result.ResultCount = -1;
                    return result;
                }

                DateTime start_time = DateTime.Now;

                // 循环,取出得到的检索结果
                for (; ;)
                {
                    if (token != null)
                    {
                        token.ThrowIfCancellationRequested();
                    }

                    if (DateTime.Now - start_time >= timeout)
                    {
                        throw new TimeoutException("已超时 " + timeout.ToString());
                    }

                    SearchResult result0 = (SearchResult)_resultTable[request.TaskID];
                    if (result0 != null && result0.ResultCount == -1)
                    {
                        ClearResultFromTable(request.TaskID);
                        return result0;
                    }

                    if (result0 != null && result0.Records != null && result0.Records.Count >= result0.ResultCount)
                    {
                        ClearResultFromTable(request.TaskID);
                        return result0;
                    }

                    if (result0 != null && result0.Finished == true)
                    {
                        ClearResultFromTable(request.TaskID);
                        return result0;
                    }

                    Thread.Sleep(200);
                }
            }, token));
        }
Ejemplo n.º 5
0
        async Task ModifyUser()
        {
            string strError = "";

            if (this.listView1.SelectedItems.Count == 0)
            {
                strError = "尚未选定要修改的事项";
                goto ERROR1;
            }

            ListViewItem item = this.listView1.SelectedItems[0];
            UserDialog   dlg  = new UserDialog();

            dlg.Font       = this.Font;
            dlg.ChangeMode = true;
            dlg.UserItem   = (User)item.Tag;
            dlg.ShowDialog(this);

            if (dlg.DialogResult == System.Windows.Forms.DialogResult.Cancel)
            {
                return;
            }

            if (dlg.Changed == false && dlg.ChangePassword == false)
            {
                MessageBox.Show(this, "没有发生修改");
                return;
            }

            List <User> users = new List <User>();
            User        user  = dlg.UserItem;

            users.Add(user);

            this.EnableControls(false);
            try
            {
                if (dlg.Changed == true)
                {
                    MessageResult result = await this.Connection.SetUsers("change", users);

                    if (result.Value == -1)
                    {
                        strError = result.ErrorInfo;
                        // 如果这里返回出错仅仅是因为权限不够,还需要尝试继续执行后面的修改密码的操作
                        if (result.String != "Denied")
                        {
                            goto ERROR1;
                        }
                    }
                }

                if (dlg.ChangePassword)
                {
                    MessageResult result = await this.Connection.SetUsers("changePassword", users);

                    if (result.Value == -1)
                    {
                        if (string.IsNullOrEmpty(strError) == false)
                        {
                            strError += "; ";
                        }
                        strError += result.ErrorInfo;
                        goto ERROR1;
                    }
                }

                if (string.IsNullOrEmpty(strError) == false)
                {
                    goto ERROR1;
                }
            }
            catch (AggregateException ex)
            {
                strError = MessageConnection.GetExceptionText(ex);
                goto ERROR1;
            }
            catch (Exception ex)
            {
                strError = ex.Message;
                goto ERROR1;
            }
            finally
            {
                this.EnableControls(true);
            }

            ChangeItem(item, dlg.UserItem);

            this.Changed = true;
            return;

ERROR1:
            this.Invoke((Action)(() =>
            {
                MessageBox.Show(this, strError);
            }
                                 ));
        }