146 lines
3.6 KiB
C#

// ========================================================================
// 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;
namespace Volian.Object.Library
{
/// <summary>
/// GroupMemberships Generated by MyGeneration using the CSLA Object Mapping template
/// </summary>
[Serializable()]
public partial class GroupMemberships : BusinessListBase<GroupMemberships,GroupMembership>
{
#region Business Methods
public new GroupMembership this[int uid]
{
get
{
foreach (GroupMembership membership in this)
if (membership.Uid == uid)
return membership;
return null;
}
}
public GroupMembership GetItem(int uid)
{
foreach (GroupMembership membership in this)
if (membership.Uid == uid)
return membership;
return null;
}
public void Add(int uid)
{
if (!Contains(uid))
{
GroupMembership membership =
GroupMembership.New(uid);
this.Add(membership);
}
else
throw new InvalidOperationException("membership already exists");
}
public void Remove(int uid)
{
foreach (GroupMembership membership in this)
{
if (membership.Uid == uid)
{
Remove(membership);
break;
}
}
}
public bool Contains(int uid)
{
foreach (GroupMembership membership in this)
if (membership.Uid == uid)
return true;
return false;
}
public bool ContainsDeleted(int uid)
{
foreach (GroupMembership membership in DeletedList)
if (membership.Uid == uid)
return true;
return false;
}
#endregion
#region Factory Methods
internal static GroupMemberships New()
{
return new GroupMemberships();
}
internal static GroupMemberships Get(SafeDataReader dr)
{
return new GroupMemberships(dr);
}
private GroupMemberships()
{
MarkAsChild();
}
private GroupMemberships(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(GroupMembership.Get(dr));
this.RaiseListChangedEvents = true;
}
internal void Update(Group group,SqlConnection cn)
{
this.RaiseListChangedEvents = false;
// update (thus deleting) any deleted child objects
foreach (GroupMembership obj in DeletedList)
obj.DeleteSelf(group,cn);
// now that they are deleted, remove them from memory too
DeletedList.Clear();
// add/update any current child objects
foreach (GroupMembership obj in this)
{
if (obj.IsNew)
obj.Insert(group,cn);
else
obj.Update(group,cn);
}
this.RaiseListChangedEvents = true;
}
#endregion
} // Class
} // Namespace