// ========================================================================
// Copyright 2007 - Volian Enterprises, Inc. All rights reserved.          
// Volian Enterprises - Proprietary Information - DO NOT COPY OR DISTRIBUTE
// ------------------------------------------------------------------------
// $Workfile: $     $Revision: $                                           
// $Author: $   $Date: $                                                   
//                                                                         
// $History: $                                                             
// ========================================================================

using System;
using System.Data;
using System.Data.SqlClient;
using Csla;
using Csla.Data;
using System.Configuration;
using System.IO;
using System.ComponentModel;
using System.Collections.Generic;
namespace VEPROMS.CSLA.Library
{
    public delegate void SessionInfoEvent(object sender);
    /// <summary>
    ///	SessionInfo Generated by MyGeneration using the CSLA Object Mapping template
    /// </summary>
    [Serializable()]
    [TypeConverter(typeof(SessionInfoConverter))]
    public partial class SessionInfo : ReadOnlyBase<SessionInfo>, IDisposable
    {
        public event SessionInfoEvent Changed;
        private void OnChange()
        {
            if (Changed != null) Changed(this);
        }
        #region Log4Net
        private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
        #endregion
        #region Collection
        private static List<SessionInfo> _CacheList = new List<SessionInfo>();
        protected static void AddToCache(SessionInfo sessionInfo)
        {
            if (!_CacheList.Contains(sessionInfo)) _CacheList.Add(sessionInfo); // In AddToCache
        }
        protected static void RemoveFromCache(SessionInfo sessionInfo)
        {
            while (_CacheList.Contains(sessionInfo)) _CacheList.Remove(sessionInfo); // In RemoveFromCache
        }
        private static Dictionary<string, List<SessionInfo>> _CacheByPrimaryKey = new Dictionary<string, List<SessionInfo>>();
        private static void ConvertListToDictionary()
        {
            while (_CacheList.Count > 0) // Move SessionInfo(s) from temporary _CacheList to _CacheByPrimaryKey
            {
                SessionInfo tmp = _CacheList[0]; // Get the first SessionInfo
                string pKey = tmp.SessionID.ToString();
                if (!_CacheByPrimaryKey.ContainsKey(pKey))
                {
                    _CacheByPrimaryKey[pKey] = new List<SessionInfo>(); // Add new list for PrimaryKey
                }
                _CacheByPrimaryKey[pKey].Add(tmp); // Add to Primary Key list
                _CacheList.RemoveAt(0); // Remove the first SessionInfo
            }
        }
        internal static void AddList(SessionInfoList lst)
        {
            foreach (SessionInfo item in lst) AddToCache(item);
        }
        protected static SessionInfo GetCachedByPrimaryKey(int sessionID)
        {
            ConvertListToDictionary();
            string key = sessionID.ToString();
            if (_CacheByPrimaryKey.ContainsKey(key)) return _CacheByPrimaryKey[key][0];
            return null;
        }
        #endregion
        #region Business Methods
        private string _ErrorMessage = string.Empty;
        public string ErrorMessage
        {
            get { return _ErrorMessage; }
        }
        protected Session _Editable;
        private IVEHasBrokenRules HasBrokenRules
        {
            get
            {
                IVEHasBrokenRules hasBrokenRules = null;
                if (_Editable != null)
                    hasBrokenRules = _Editable.HasBrokenRules;
                return hasBrokenRules;
            }
        }
        private int _SessionID;
        [System.ComponentModel.DataObjectField(true, true)]
        public int SessionID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _SessionID;
            }
        }
        private string _UserID = string.Empty;
        public string UserID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _UserID;
            }
        }
        private DateTime _DTSDtart = new DateTime();
        public DateTime DTSDtart
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _DTSDtart;
            }
        }
        private DateTime? _DTSEnd;
        public DateTime? DTSEnd
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _DTSEnd;
            }
        }
        private DateTime _DTSActivity = new DateTime();
        public DateTime DTSActivity
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _DTSActivity;
            }
        }
        private string _MachineName = string.Empty;
        public string MachineName
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _MachineName;
            }
        }
        private int _ProcessID;
        public int ProcessID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _ProcessID;
            }
        }
        // CSLATODO: Replace base SessionInfo.ToString function as necessary
        /// <summary>
        /// Overrides Base ToString
        /// </summary>
        /// <returns>A string representation of current SessionInfo</returns>
        //public override string ToString()
        //{
        //  return base.ToString();
        //}
        // CSLATODO: Check SessionInfo.GetIdValue to assure that the ID returned is unique
        /// <summary>
        /// Overrides Base GetIdValue - Used internally by CSLA to determine equality
        /// </summary>
        /// <returns>A Unique ID for the current SessionInfo</returns>
        protected override object GetIdValue()
        {
            return MySessionInfoUnique; // Absolutely Unique ID
        }
        #endregion
        #region Factory Methods
        private static int _SessionInfoUnique = 0;
        private static int SessionInfoUnique
        { get { return ++_SessionInfoUnique; } }
        private int _MySessionInfoUnique = SessionInfoUnique;
        public int MySessionInfoUnique // Absolutely Unique ID - Info
        { get { return _MySessionInfoUnique; } }
        protected SessionInfo()
        {/* require use of factory methods */
            AddToCache(this);
        }
        private bool _Disposed = false;
        private static int _CountCreated = 0;
        private static int _CountDisposed = 0;
        private static int _CountFinalized = 0;
        private static int IncrementCountCreated
        { get { return ++_CountCreated; } }
        private int _CountWhenCreated = IncrementCountCreated;
        public static int CountCreated
        { get { return _CountCreated; } }
        public static int CountNotDisposed
        { get { return _CountCreated - _CountDisposed; } }
        public static int CountNotFinalized
        { get { return _CountCreated - _CountFinalized; } }
        ~SessionInfo()
        {
            _CountFinalized++;
        }
        public void Dispose()
        {
            if (_Disposed) return;
            _CountDisposed++;
            _Disposed = true;
            RemoveFromCache(this);
            if (!_CacheByPrimaryKey.ContainsKey(SessionID.ToString())) return;
            List<SessionInfo> listSessionInfo = _CacheByPrimaryKey[SessionID.ToString()]; // Get the list of items
            while (listSessionInfo.Contains(this)) listSessionInfo.Remove(this); // Remove the item from the list
            if (listSessionInfo.Count == 0) // If there are no items left in the list
                _CacheByPrimaryKey.Remove(SessionID.ToString()); // remove the list
        }
        public virtual Session Get()
        {
            return _Editable = Session.Get(_SessionID);
        }
        public static void Refresh(Session tmp)
        {
            string key = tmp.SessionID.ToString();
            ConvertListToDictionary();
            if (_CacheByPrimaryKey.ContainsKey(key))
                foreach (SessionInfo tmpInfo in _CacheByPrimaryKey[key])
                    tmpInfo.RefreshFields(tmp);
        }
        protected virtual void RefreshFields(Session tmp)
        {
            _UserID = tmp.UserID;
            _DTSDtart = tmp.DTSDtart;
            _DTSEnd = tmp.DTSEnd;
            _DTSActivity = tmp.DTSActivity;
            _MachineName = tmp.MachineName;
            _ProcessID = tmp.ProcessID;
            _SessionInfoExtension.Refresh(this);
            OnChange();// raise an event
        }
        public static SessionInfo Get(int sessionID)
        {
            //if (!CanGetObject())
            //  throw new System.Security.SecurityException("User not authorized to view a Session");
            try
            {
                SessionInfo tmp = GetCachedByPrimaryKey(sessionID);
                if (tmp == null)
                {
                    tmp = DataPortal.Fetch<SessionInfo>(new PKCriteria(sessionID));
                    AddToCache(tmp);
                }
                if (tmp.ErrorMessage == "No Record Found")
                {
                    tmp.Dispose(); // Clean-up SessionInfo
                    tmp = null;
                }
                return tmp;
            }
            catch (Exception ex)
            {
                throw new DbCslaException("Error on SessionInfo.Get", ex);
            }
        }
        #endregion
        #region Data Access Portal
        internal SessionInfo(SafeDataReader dr)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] SessionInfo.Constructor", GetHashCode());
            try
            {
                ReadData(dr);
            }
            catch (Exception ex)
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("SessionInfo.Constructor", ex);
                throw new DbCslaException("SessionInfo.Constructor", ex);
            }
        }
        [Serializable()]
        protected class PKCriteria
        {
            private int _SessionID;
            public int SessionID
            { get { return _SessionID; } }
            public PKCriteria(int sessionID)
            {
                _SessionID = sessionID;
            }
        }
        private void ReadData(SafeDataReader dr)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] SessionInfo.ReadData", GetHashCode());
            try
            {
                _SessionID = dr.GetInt32("SessionID");
                _UserID = dr.GetString("UserID");
                _DTSDtart = dr.GetDateTime("DTSDtart");
                if (!dr.IsDBNull(dr.GetOrdinal("DTSEnd"))) _DTSEnd = dr.GetDateTime("DTSEnd");
                _DTSActivity = dr.GetDateTime("DTSActivity");
                _MachineName = dr.GetString("MachineName");
                _ProcessID = dr.GetInt32("ProcessID");
                dr.GetBytes("LastChanged", 0, _LastChanged, 0, 8);
                _LastContentChange = dr.GetInt64("LastContentChange");
            }
            catch (Exception ex)
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("SessionInfo.ReadData", ex);
                _ErrorMessage = ex.Message;
                throw new DbCslaException("SessionInfo.ReadData", ex);
            }
        }
        private void DataPortal_Fetch(PKCriteria criteria)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] SessionInfo.DataPortal_Fetch", GetHashCode());
            try
            {
                using (SqlConnection cn = Database.VEPROMS_SqlConnection)
                {
                    ApplicationContext.LocalContext["cn"] = cn;
                    using (SqlCommand cm = cn.CreateCommand())
                    {
                        cm.CommandType = CommandType.StoredProcedure;
                        cm.CommandTimeout = Database.SQLTimeout;
                        cm.CommandText = "getSession";
                        cm.Parameters.AddWithValue("@SessionID", criteria.SessionID);
                        using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))
                        {
                            if (!dr.Read())
                            {
                                _ErrorMessage = "No Record Found";
                                return;
                            }
                            ReadData(dr);
                        }
                    }
                    // removing of item only needed for local data portal
                    if (ApplicationContext.ExecutionLocation == ApplicationContext.ExecutionLocations.Client)
                        ApplicationContext.LocalContext.Remove("cn");
                }
            }
            catch (Exception ex)
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("SessionInfo.DataPortal_Fetch", ex);
                _ErrorMessage = ex.Message;
                throw new DbCslaException("SessionInfo.DataPortal_Fetch", ex);
            }
        }
        #endregion
        // Standard Refresh
        #region extension
        SessionInfoExtension _SessionInfoExtension = new SessionInfoExtension();
        [Serializable()]
        partial class SessionInfoExtension : extensionBase { }
        [Serializable()]
        class extensionBase
        {
            // Default Refresh
            public virtual void Refresh(SessionInfo tmp) { }
        }
        #endregion
    } // Class
    #region Converter
    internal class SessionInfoConverter : ExpandableObjectConverter
    {
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
        {
            if (destType == typeof(string) && value is SessionInfo)
            {
                // Return the ToString value
                return ((SessionInfo)value).ToString();
            }
            return base.ConvertTo(context, culture, value, destType);
        }
    }
    #endregion
} // Namespace