/// <summary>
/// Begin terminate method.
/// </summary>
/// <param name="terminationConversationRequest">Termination request.</param>
/// <param name="asyncCallback">callback.</param>
/// <param name="state">State.</param>
/// <returns>IAsync result.</returns>
public IAsyncResult BeginTerminate(TerminateConversationRequest terminationConversationRequest, AsyncCallback asyncCallback, object state)
{
//Create a new async result.
TerminateConversationAsyncResult asyncResult = new TerminateConversationAsyncResult(terminationConversationRequest, this, asyncCallback, state);
asyncResult.Process();
return(asyncResult);
}
/// <summary>
/// Constructor to create new TerminateConversationAsyncResult.
/// </summary>
/// <param name="request">Terminate conversation request. cannot be null.</param>
/// <param name="webConversation">Web conversation to terminate. Cannot be null.</param>
/// <param name="userCallback">User callback.</param>
/// <param name="state">User state.</param>
internal TerminateConversationAsyncResult(TerminateConversationRequest request,
WebConversation webConversation,
AsyncCallback userCallback,
object state)
: base(userCallback, state)
{
Debug.Assert(null != webConversation, "Web conversation is null");
Debug.Assert(null != request, "Request is null");
m_webConversation = webConversation;
m_terminateConversationRequest = request;
}
/// <summary>
/// Initiates a conversation termination operation.
/// </summary>
/// <param name="webConversation">Web conversation.</param>
/// <param name="asyncCallback">Async callback.</param>
/// <param name="state">State.</param>
/// <returns>Async result reference</returns>
public IAsyncResult BeginTerminateConversation(WebConversation webConversation, AsyncCallback callback, object state)
{
//Create new request.
if (webConversation == null)
{
throw new ArgumentNullException("webConversation", "Web conversation cannot be null");
}
TerminateConversationRequest request = new TerminateConversationRequest();
request.RequestId = ContactCenterService.GenerateNewRequestId();
request.Conversation = webConversation;
return(((IContactCenterWcfService)this.WcfClient).BeginTerminateConversation(request, callback, state));
}
/// <summary>
/// Handle client channel closed.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ChannelClosed(object sender, EventArgs e)
{
IContextChannel contextChannel = sender as IContextChannel;
contextChannel.Faulted -= this.ChannelClosed;
contextChannel.Closed -= this.ChannelClosed;
TerminateConversationRequest request = new TerminateConversationRequest();
request.Conversation = this;
request.RequestId = Guid.NewGuid().ToString();
this.BeginTerminate(request, this.ConversationTerminated, null);
}
/// <summary>
/// Method to start the work of retrieving new data.
/// </summary>
private void TerminateUnnecessaryConversations()
{
foreach (WebConversation webConversation in m_conversationManager.GetAllWebConversations())
{
CommunicationState channelState = webConversation.ContextChannel.State;
if (channelState != CommunicationState.Created && channelState != CommunicationState.Opened && channelState != CommunicationState.Opening)
{
//Create a new async result.
TerminateConversationRequest convRequest = new TerminateConversationRequest();
convRequest.Conversation = webConversation;
convRequest.RequestId = Guid.NewGuid().ToString();
webConversation.BeginTerminate(convRequest, this.WebConversationTerminationCompleted, webConversation /*state*/);
}
}
}
/// <summary>
/// Constructor to create a new terminate conversation response.
/// </summary>
/// <param name="request">Original request.</param>
public TerminateConversationResponse(TerminateConversationRequest request)
: base(request)
{
}