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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace FunctionalTests.Model
{
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
public class ScrapReason
{
public virtual short ScrapReasonID { get; set; }
public virtual string Name { get; set; }
public virtual DateTime ModifiedDate { get; set; }
public virtual ICollection<WorkOrder> WorkOrders
{
get
{
if (_workOrders == null)
{
var newCollection = new FixupCollection<WorkOrder>();
newCollection.CollectionChanged += FixupWorkOrders;
_workOrders = newCollection;
}
return _workOrders;
}
set
{
if (!ReferenceEquals(_workOrders, value))
{
var previousValue = _workOrders as FixupCollection<WorkOrder>;
if (previousValue != null)
{
previousValue.CollectionChanged -= FixupWorkOrders;
}
_workOrders = value;
var newValue = value as FixupCollection<WorkOrder>;
if (newValue != null)
{
newValue.CollectionChanged += FixupWorkOrders;
}
}
}
}
private ICollection<WorkOrder> _workOrders;
private void FixupWorkOrders(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.NewItems != null)
{
foreach (WorkOrder item in e.NewItems)
{
item.ScrapReason = this;
}
}
if (e.OldItems != null)
{
foreach (WorkOrder item in e.OldItems)
{
if (ReferenceEquals(item.ScrapReason, this))
{
item.ScrapReason = null;
}
}
}
}
}
}
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