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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Runtime.Serialization;
public class ChannelDispatcherCollection : SynchronizedCollection<ChannelDispatcherBase>
{
ServiceHostBase service;
internal ChannelDispatcherCollection(ServiceHostBase service, object syncRoot)
: base(syncRoot)
{
if (service == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("service");
this.service = service;
}
protected override void ClearItems()
{
ChannelDispatcherBase[] array = new ChannelDispatcherBase[this.Count];
this.CopyTo(array, 0);
base.ClearItems();
if (this.service != null)
{
foreach (ChannelDispatcherBase channelDispatcher in array)
this.service.OnRemoveChannelDispatcher(channelDispatcher);
}
}
protected override void InsertItem(int index, ChannelDispatcherBase item)
{
if (this.service != null)
{
if (this.service.State == CommunicationState.Closed)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ObjectDisposedException(this.service.GetType().ToString()));
this.service.OnAddChannelDispatcher(item);
}
base.InsertItem(index, item);
}
protected override void RemoveItem(int index)
{
ChannelDispatcherBase channelDispatcher = this.Items[index];
base.RemoveItem(index);
if (this.service != null)
this.service.OnRemoveChannelDispatcher(channelDispatcher);
}
protected override void SetItem(int index, ChannelDispatcherBase item)
{
if (this.service != null)
{
if (this.service.State == CommunicationState.Closed)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ObjectDisposedException(this.service.GetType().ToString()));
}
if (this.service != null)
this.service.OnAddChannelDispatcher(item);
ChannelDispatcherBase old;
lock (this.SyncRoot)
{
old = this.Items[index];
base.SetItem(index, item);
}
if (this.service != null)
this.service.OnRemoveChannelDispatcher(old);
}
}
}
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