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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System;
using System.Collections.ObjectModel;
public class ChannelParameterCollection : Collection<object>
{
IChannel channel;
public ChannelParameterCollection()
{
}
public ChannelParameterCollection(IChannel channel)
{
this.channel = channel;
}
protected virtual IChannel Channel
{
get { return this.channel; }
}
public void PropagateChannelParameters(IChannel innerChannel)
{
if (innerChannel == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("innerChannel");
}
this.ThrowIfMutable();
ChannelParameterCollection innerCollection = innerChannel.GetProperty<ChannelParameterCollection>();
if (innerCollection != null)
{
for (int i = 0; i < this.Count; i++)
{
innerCollection.Add(this[i]);
}
}
}
protected override void ClearItems()
{
this.ThrowIfDisposedOrImmutable();
base.ClearItems();
}
protected override void InsertItem(int index, object item)
{
this.ThrowIfDisposedOrImmutable();
base.InsertItem(index, item);
}
protected override void RemoveItem(int index)
{
this.ThrowIfDisposedOrImmutable();
base.RemoveItem(index);
}
protected override void SetItem(int index, object item)
{
this.ThrowIfDisposedOrImmutable();
base.SetItem(index, item);
}
void ThrowIfDisposedOrImmutable()
{
IChannel channel = this.Channel;
if (channel != null)
{
CommunicationState state = channel.State;
string text = null;
switch (state)
{
case CommunicationState.Created:
break;
case CommunicationState.Opening:
case CommunicationState.Opened:
case CommunicationState.Closing:
case CommunicationState.Closed:
case CommunicationState.Faulted:
text = SR.GetString(SR.ChannelParametersCannotBeModified,
channel.GetType().ToString(), state.ToString());
break;
default:
text = SR.GetString(SR.CommunicationObjectInInvalidState,
channel.GetType().ToString(), state.ToString());
break;
}
if (text != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(text));
}
}
}
void ThrowIfMutable()
{
IChannel channel = this.Channel;
if (channel != null)
{
CommunicationState state = channel.State;
string text = null;
switch (state)
{
case CommunicationState.Created:
text = SR.GetString(SR.ChannelParametersCannotBePropagated,
channel.GetType().ToString(), state.ToString());
break;
case CommunicationState.Opening:
case CommunicationState.Opened:
case CommunicationState.Closing:
case CommunicationState.Closed:
case CommunicationState.Faulted:
break;
default:
text = SR.GetString(SR.CommunicationObjectInInvalidState,
channel.GetType().ToString(), state.ToString());
break;
}
if (text != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(text));
}
}
}
}
}
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