// ========================================================================
// Copyright 2006 - 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;

namespace Volian.CSLA.Library
{
	/// <summary>
	///	StructureRoUsages Generated by MyGeneration using the CSLA Object Mapping template
	/// </summary>
	[Serializable()]
	public partial class StructureRoUsages : BusinessListBase<StructureRoUsages, StructureRoUsage>
	{
		#region Business Methods
		private string _errorMessage = string.Empty;
		public string ErrorMessage
		{
			get { return _errorMessage; }
		}
		// One To Many
		public new StructureRoUsage this[int rOUsageId]
		{
			get
			{
				foreach (StructureRoUsage roUsage in this)
					if (roUsage.ROUsageId == rOUsageId)
						return roUsage;
				return null;
			}
		}
		public StructureRoUsage GetItem(int rOUsageId)
		{
			foreach (StructureRoUsage roUsage in this)
				if (roUsage.ROUsageId == rOUsageId)
					return roUsage;
			return null;
		}
		public StructureRoUsage Add(string roid)
		{
			 StructureRoUsage roUsage = StructureRoUsage.New(roid);
			 this.Add(roUsage);
			 return roUsage;
		}
		public void Remove(int rOUsageId)
		{
			foreach (StructureRoUsage roUsage in this)
			{
				if (roUsage.ROUsageId == rOUsageId)
				{
					Remove(roUsage);
					break;
				}
			}
		}
		public bool Contains(int rOUsageId)
		{
			foreach (StructureRoUsage roUsage in this)
				if (roUsage.ROUsageId == rOUsageId)
					return true;
			return false;
		}
		public bool ContainsDeleted(int rOUsageId)
		{
			foreach (StructureRoUsage roUsage in DeletedList)
				if (roUsage.ROUsageId == rOUsageId)
					return true;
			return false;
		}
		#endregion
		#region Factory Methods
		internal static StructureRoUsages New()
		{
			return new StructureRoUsages();
		}
		internal static StructureRoUsages Get(SafeDataReader dr)
		{
			return new StructureRoUsages(dr);
		}
		private StructureRoUsages()
		{
			MarkAsChild();
		}
		private StructureRoUsages(SafeDataReader dr)
		{
			MarkAsChild();
			Fetch(dr);
		}
		#endregion
		#region Data Access Portal
		// called to load data from the database
		private void Fetch(SafeDataReader dr)
		{
			this.RaiseListChangedEvents = false;
			while (dr.Read())
				this.Add(StructureRoUsage.Get(dr));
			this.RaiseListChangedEvents = true;
		}
		internal void Update(Structure structure, SqlConnection cn)
		{
			this.RaiseListChangedEvents = false;
			try
			{
				// update (thus deleting) any deleted child objects
				foreach (StructureRoUsage obj in DeletedList)
					obj.DeleteSelf(structure, cn);
				// now that they are deleted, remove them from memory too
				DeletedList.Clear();
				// add/update any current child objects
				foreach (StructureRoUsage obj in this)
				{
					if (obj.IsNew)
						obj.Insert(structure, cn);
					else
						obj.Update(structure, cn);
				}
			}
			finally
			{
				this.RaiseListChangedEvents = true;
			}
		}
		#endregion
	} // Class
} // Namespace