// ========================================================================
// 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 ConnectionInfoEvent(object sender);
    /// <summary>
    ///	ConnectionInfo Generated by MyGeneration using the CSLA Object Mapping template
    /// </summary>
    [Serializable()]
    [TypeConverter(typeof(ConnectionInfoConverter))]
    public partial class ConnectionInfo : ReadOnlyBase<ConnectionInfo>, IDisposable
    {
        public event ConnectionInfoEvent 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<ConnectionInfo> _CacheList = new List<ConnectionInfo>();
        protected static void AddToCache(ConnectionInfo connectionInfo)
        {
            if (!_CacheList.Contains(connectionInfo)) _CacheList.Add(connectionInfo); // In AddToCache
        }
        protected static void RemoveFromCache(ConnectionInfo connectionInfo)
        {
            while (_CacheList.Contains(connectionInfo)) _CacheList.Remove(connectionInfo); // In RemoveFromCache
        }
        private static Dictionary<string, List<ConnectionInfo>> _CacheByPrimaryKey = new Dictionary<string, List<ConnectionInfo>>();
        private static void ConvertListToDictionary()
        {
            while (_CacheList.Count > 0) // Move ConnectionInfo(s) from temporary _CacheList to _CacheByPrimaryKey
            {
                ConnectionInfo tmp = _CacheList[0]; // Get the first ConnectionInfo
                string pKey = tmp.DBID.ToString();
                if (!_CacheByPrimaryKey.ContainsKey(pKey))
                {
                    _CacheByPrimaryKey[pKey] = new List<ConnectionInfo>(); // Add new list for PrimaryKey
                }
                _CacheByPrimaryKey[pKey].Add(tmp); // Add to Primary Key list
                _CacheList.RemoveAt(0); // Remove the first ConnectionInfo
            }
        }
        internal static void AddList(ConnectionInfoList lst)
        {
            foreach (ConnectionInfo item in lst) AddToCache(item);
        }
        protected static ConnectionInfo GetCachedByPrimaryKey(int dbid)
        {
            ConvertListToDictionary();
            string key = dbid.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 Connection _Editable;
        private IVEHasBrokenRules HasBrokenRules
        {
            get
            {
                IVEHasBrokenRules hasBrokenRules = null;
                if (_Editable != null)
                    hasBrokenRules = _Editable.HasBrokenRules;
                return hasBrokenRules;
            }
        }
        private int _DBID;
        [System.ComponentModel.DataObjectField(true, true)]
        public int DBID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _DBID;
            }
        }
        private string _Name = string.Empty;
        public string Name
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _Name;
            }
        }
        private string _Title = string.Empty;
        public string Title
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _Title;
            }
        }
        private string _ConnectionString = string.Empty;
        public string ConnectionString
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _ConnectionString;
            }
        }
        private int _ServerType;
        /// <summary>
        /// 0 SQL Server
        /// </summary>
        public int ServerType
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _ServerType;
            }
        }
        private string _Config = string.Empty;
        public string Config
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _Config;
            }
        }
        private DateTime _DTS = new DateTime();
        public DateTime DTS
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _DTS;
            }
        }
        private string _UsrID = string.Empty;
        public string UsrID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _UsrID;
            }
        }
        private int _ConnectionFolderCount = 0;
        /// <summary>
        /// Count of ConnectionFolders for this Connection
        /// </summary>
        public int ConnectionFolderCount
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_ConnectionFolderCount < 0)
                    _ConnectionFolderCount = ConnectionFolders.Count;
                return _ConnectionFolderCount;
            }
        }
        private FolderInfoList _ConnectionFolders = null;
        [TypeConverter(typeof(FolderInfoListConverter))]
        public FolderInfoList ConnectionFolders
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_ConnectionFolderCount < 0 || (_ConnectionFolderCount > 0 && _ConnectionFolders == null))
                    _ConnectionFolders = FolderInfoList.GetByDBID(_DBID);
                if (_ConnectionFolderCount < 0)
                    _ConnectionFolderCount = _ConnectionFolders.Count;
                return _ConnectionFolders;
            }
        }
        public void RefreshConnectionFolders()
        {
            _ConnectionFolderCount = -1;
            ConvertListToDictionary();
            if (_CacheByPrimaryKey.ContainsKey(_DBID.ToString()))
                foreach (ConnectionInfo tmp in _CacheByPrimaryKey[_DBID.ToString()])
                    tmp._ConnectionFolderCount = -1; // This will cause the data to be requeried
        }
        // CSLATODO: Replace base ConnectionInfo.ToString function as necessary
        /// <summary>
        /// Overrides Base ToString
        /// </summary>
        /// <returns>A string representation of current ConnectionInfo</returns>
        //public override string ToString()
        //{
        //  return base.ToString();
        //}
        // CSLATODO: Check ConnectionInfo.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 ConnectionInfo</returns>
        protected override object GetIdValue()
        {
            return MyConnectionInfoUnique; // Absolutely Unique ID
        }
        #endregion
        #region Factory Methods
        private static int _ConnectionInfoUnique = 0;
        private static int ConnectionInfoUnique
        { get { return ++_ConnectionInfoUnique; } }
        private int _MyConnectionInfoUnique = ConnectionInfoUnique;
        public int MyConnectionInfoUnique // Absolutely Unique ID - Info
        { get { return _MyConnectionInfoUnique; } }
        protected ConnectionInfo()
        {/* 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; } }
        ~ConnectionInfo()
        {
            _CountFinalized++;
        }
        public void Dispose()
        {
            if (_Disposed) return;
            _CountDisposed++;
            _Disposed = true;
            RemoveFromCache(this);
            if (!_CacheByPrimaryKey.ContainsKey(DBID.ToString())) return;
            List<ConnectionInfo> listConnectionInfo = _CacheByPrimaryKey[DBID.ToString()]; // Get the list of items
            while (listConnectionInfo.Contains(this)) listConnectionInfo.Remove(this); // Remove the item from the list
            if (listConnectionInfo.Count == 0) // If there are no items left in the list
                _CacheByPrimaryKey.Remove(DBID.ToString()); // remove the list
        }
        public virtual Connection Get()
        {
            return _Editable = Connection.Get(_DBID);
        }
        public static void Refresh(Connection tmp)
        {
            string key = tmp.DBID.ToString();
            ConvertListToDictionary();
            if (_CacheByPrimaryKey.ContainsKey(key))
                foreach (ConnectionInfo tmpInfo in _CacheByPrimaryKey[key])
                    tmpInfo.RefreshFields(tmp);
        }
        protected virtual void RefreshFields(Connection tmp)
        {
            _Name = tmp.Name;
            _Title = tmp.Title;
            _ConnectionString = tmp.ConnectionString;
            _ServerType = tmp.ServerType;
            _Config = tmp.Config;
            _DTS = tmp.DTS;
            _UsrID = tmp.UsrID;
            _ConnectionInfoExtension.Refresh(this);
            OnChange();// raise an event
        }
        public static ConnectionInfo Get(int dbid)
        {
            //if (!CanGetObject())
            //  throw new System.Security.SecurityException("User not authorized to view a Connection");
            try
            {
                ConnectionInfo tmp = GetCachedByPrimaryKey(dbid);
                if (tmp == null)
                {
                    tmp = DataPortal.Fetch<ConnectionInfo>(new PKCriteria(dbid));
                    AddToCache(tmp);
                }
                if (tmp.ErrorMessage == "No Record Found")
                {
                    tmp.Dispose(); // Clean-up ConnectionInfo
                    tmp = null;
                }
                return tmp;
            }
            catch (Exception ex)
            {
                throw new DbCslaException("Error on ConnectionInfo.Get", ex);
            }
        }
        #endregion
        #region Data Access Portal
        internal ConnectionInfo(SafeDataReader dr)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ConnectionInfo.Constructor", GetHashCode());
            try
            {
                ReadData(dr);
            }
            catch (Exception ex)
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("ConnectionInfo.Constructor", ex);
                throw new DbCslaException("ConnectionInfo.Constructor", ex);
            }
        }
        [Serializable()]
        protected class PKCriteria
        {
            private int _DBID;
            public int DBID
            { get { return _DBID; } }
            public PKCriteria(int dbid)
            {
                _DBID = dbid;
            }
        }
        private void ReadData(SafeDataReader dr)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ConnectionInfo.ReadData", GetHashCode());
            try
            {
                _DBID = dr.GetInt32("DBID");
                _Name = dr.GetString("Name");
                _Title = dr.GetString("Title");
                _ConnectionString = dr.GetString("ConnectionString");
                _ServerType = dr.GetInt32("ServerType");
                _Config = dr.GetString("Config");
                _DTS = dr.GetDateTime("DTS");
                _UsrID = dr.GetString("UsrID");
                _ConnectionFolderCount = dr.GetInt32("FolderCount");
            }
            catch (Exception ex)
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("ConnectionInfo.ReadData", ex);
                _ErrorMessage = ex.Message;
                throw new DbCslaException("ConnectionInfo.ReadData", ex);
            }
        }
        private void DataPortal_Fetch(PKCriteria criteria)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ConnectionInfo.DataPortal_Fetch", GetHashCode());
            try
            {
                using (SqlConnection cn = Database.VEPROMS_SqlConnection)
                {
                    ApplicationContext.LocalContext["cn"] = cn;
                    using (SqlCommand cm = cn.CreateCommand())
                    {
                        cm.CommandType = CommandType.StoredProcedure;
                        cm.CommandText = "getConnection";
                        cm.Parameters.AddWithValue("@DBID", criteria.DBID);
                        cm.CommandTimeout = Database.DefaultTimeout;
                        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("ConnectionInfo.DataPortal_Fetch", ex);
                _ErrorMessage = ex.Message;
                throw new DbCslaException("ConnectionInfo.DataPortal_Fetch", ex);
            }
        }
        #endregion
        // Standard Refresh
        #region extension
        ConnectionInfoExtension _ConnectionInfoExtension = new ConnectionInfoExtension();
        [Serializable()]
        partial class ConnectionInfoExtension : extensionBase { }
        [Serializable()]
        class extensionBase
        {
            // Default Refresh
            public virtual void Refresh(ConnectionInfo tmp) { }
        }
        #endregion
    } // Class
    #region Converter
    internal class ConnectionInfoConverter : ExpandableObjectConverter
    {
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
        {
            if (destType == typeof(string) && value is ConnectionInfo)
            {
                // Return the ToString value
                return ((ConnectionInfo)value).ToString();
            }
            return base.ConvertTo(context, culture, value, destType);
        }
    }
    #endregion
} // Namespace