)>}]
شركة التطبيقات المتكاملة لتصميم وبرمجة البرمجيات الخاصة ش.ش.و.
Integrated Applications Programming Company
Skip Navigation Links

Public general use code classes and xml files that we've compiled and used over the years:

Cache support class for the Next Generation Network data model

    1: using System.Data;
    2: using System.Linq;
    3: using System.Collections.Generic;
    4: using Microsoft.EntityFrameworkCore;
    5: using System.Diagnostics;
    6: using System;
    7:  
    8: namespace Ia.Ngn.Cl.Model.Data.Maintenance
    9: {
   10:     ////////////////////////////////////////////////////////////////////////////
   11:  
   12:     /// <summary publish="true">
   13:     /// Cache support class for the Next Generation Network data model
   14:     /// </summary>
   15:     /// 
   16:     /// <remarks> 
   17:     /// Copyright © 2006-2021 Jasem Y. Al-Shamlan (info@ia.com.kw), Integrated Applications - Kuwait. All Rights Reserved.
   18:     ///
   19:     /// This library is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
   20:     /// the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
   21:     ///
   22:     /// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
   23:     /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   24:     /// 
   25:     /// You should have received a copy of the GNU General Public License along with this library. If not, see http://www.gnu.org/licenses.
   26:     /// 
   27:     /// Copyright notice: This notice may not be removed or altered from any source distribution.
   28:     /// </remarks> 
   29:     public class Cache
   30:     {
   31:         private static Ia.Cl.Model.TimestampedList<string> serviceIdTimestampedList = new Ia.Cl.Model.TimestampedList<string>();
   32:  
   33:         private static readonly object objectLock = new object();
   34:  
   35:         ////////////////////////////////////////////////////////////////////////////
   36:  
   37:         /// <summary>
   38:         ///
   39:         /// </summary>
   40:         public Cache() { }
   41:  
   42:         ////////////////////////////////////////////////////////////////////////////
   43:  
   44:         /// <summary>
   45:         ///
   46:         /// </summary>
   47:         public static Ia.Cl.Model.TimestampedList<string> ServiceIdTimestampedList
   48:         {
   49:             get
   50:             {
   51:                 lock (objectLock)
   52:                 {
   53:                     if (serviceIdTimestampedList.Timestamp <= Ia.Ngn.Cl.Model.Service2.LastCreateUpdateDelete || serviceIdTimestampedList.List.Count == 0)
   54:                     {
   55:                         using (var db = new Ia.Ngn.Cl.Model.Ngn())
   56:                         {
   57:                             serviceIdTimestampedList.List = (from s in db.Service2
   58:                                                              select s.Id).AsNoTracking().ToList();
   59:  
   60:                             serviceIdTimestampedList.Timestamp = DateTime.UtcNow.AddHours(3);
   61:                         }
   62:                     }
   63:  
   64:                     return serviceIdTimestampedList;
   65:                 }
   66:             }
   67:         }
   68:  
   69:         ////////////////////////////////////////////////////////////////////////////
   70:         ////////////////////////////////////////////////////////////////////////////   
   71:     }
   72:  
   73:     ////////////////////////////////////////////////////////////////////////////
   74:     ////////////////////////////////////////////////////////////////////////////   
   75: }