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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
using System;
using System.ServiceModel.Channels;
using System.ServiceModel.Description;
namespace org.apache.qpid.wcf.model
{
public abstract class QpidChannelListenerBase<TChannel> : ChannelListenerBase<TChannel> where TChannel: class, IChannel
{
private readonly Uri _listenUri;
private readonly BindingContext _context;
protected QpidTransportBindingElement _bindingElement;
private readonly CommunicationOperation _closeMethod;
private readonly CommunicationOperation _openMethod;
private readonly CommunicationOperation<TChannel> _acceptChannelMethod;
private readonly CommunicationOperation<bool> _waitForChannelMethod;
protected QpidChannelListenerBase(BindingContext context)
{
_context = context;
_bindingElement = context.Binding.Elements.Find<QpidTransportBindingElement>();
_closeMethod = OnClose;
_openMethod = OnOpen;
_waitForChannelMethod = OnWaitForChannel;
_acceptChannelMethod = OnAcceptChannel;
if (context.ListenUriMode == ListenUriMode.Explicit && context.ListenUriBaseAddress != null)
{
_listenUri = new Uri(context.ListenUriBaseAddress, context.ListenUriRelativeAddress);
}
else
{
_listenUri = new Uri(new Uri("soap.amqp:///"), Guid.NewGuid().ToString());
}
}
protected override void OnAbort()
{
OnClose(_context.Binding.CloseTimeout);
}
protected override IAsyncResult OnBeginAcceptChannel(TimeSpan timeout, AsyncCallback callback, object state)
{
return _acceptChannelMethod.BeginInvoke(timeout, callback, state);
}
protected override TChannel OnEndAcceptChannel(IAsyncResult result)
{
return _acceptChannelMethod.EndInvoke(result);
}
protected override IAsyncResult OnBeginWaitForChannel(TimeSpan timeout, AsyncCallback callback, object state)
{
return _waitForChannelMethod.BeginInvoke(timeout, callback, state);
}
protected override bool OnEndWaitForChannel(IAsyncResult result)
{
return _waitForChannelMethod.EndInvoke(result);
}
protected override IAsyncResult OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state)
{
return _closeMethod.BeginInvoke(timeout, callback, state);
}
protected override IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state)
{
return _openMethod.BeginInvoke(timeout, callback, state);
}
protected override void OnEndClose(IAsyncResult result)
{
_closeMethod.EndInvoke(result);
}
protected override void OnEndOpen(IAsyncResult result)
{
_openMethod.EndInvoke(result);
}
public override Uri Uri
{
get { return _listenUri; }
}
protected BindingContext Context
{
get { return _context; }
}
}
}
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