/// <summary>
/// Opens this connection so it starts receiving events from the server.
/// This results in a long-standing call to EWS.
/// </summary>
/// <exception cref="InvalidOperationException">Thrown when Open is called while connected.</exception>
public void Open()
{
lock (this.lockObject)
{
this.ThrowIfDisposed();
this.ValidateConnectionState(false, Strings.CannotCallConnectDuringLiveConnection);
if (this.subscriptions.Count == 0)
{
throw new ServiceLocalException(Strings.NoSubscriptionsOnConnection);
}
this.hasFiredConnectionCompleted = false;
this.currentHangingRequest = new GetStreamingEventsRequest(
this.session,
this.HandleServiceResponseObject,
this.subscriptions.Keys,
this.connectionTimeout);
this.currentHangingRequest.OnDisconnect += new HangingServiceRequestBase.HangingRequestDisconnectHandler(this.OnRequestDisconnect);
this.currentHangingRequest.InternalExecute();
}
}
/// <summary>
/// Internal helper method called when the request disconnects.
/// </summary>
/// <param name="ex">The exception that caused the disconnection. May be null.</param>
private void InternalOnDisconnect(Exception ex)
{
this.currentHangingRequest = null;
if (this.OnDisconnect != null)
{
this.OnDisconnect(this, new SubscriptionErrorEventArgs(null, ex));
}
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
/// <param name="suppressFinalizer">Value indicating whether to suppress the garbage collector's finalizer..</param>
private void Dispose(bool suppressFinalizer)
{
if (suppressFinalizer)
{
GC.SuppressFinalize(this);
}
lock (this.lockObject)
{
if (!this.isDisposed)
{
if (this.currentHangingRequest != null)
{
this.currentHangingRequest = null;
}
this.subscriptions = null;
this.session = null;
this.isDisposed = true;
}
}
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
/// <param name="suppressFinalizer">Value indicating whether to suppress the garbage collector's finalizer..</param>
private void Dispose(bool suppressFinalizer)
{
if (suppressFinalizer)
{
GC.SuppressFinalize(this);
}
lock (this.lockObject)
{
if (!this.isDisposed)
{
if (this.currentHangingRequest != null)
{
this.currentHangingRequest = null;
}
this.subscriptions = null;
this.session = null;
this.isDisposed = true;
}
}
}
/// <summary>
/// Internal helper method called when the request disconnects.
/// </summary>
/// <param name="ex">The exception that caused the disconnection. May be null.</param>
private void InternalOnDisconnect(Exception ex)
{
this.currentHangingRequest = null;
if (this.OnDisconnect != null)
{
this.OnDisconnect(this, new SubscriptionErrorEventArgs(null, ex));
}
}
/// <summary>
/// Opens this connection so it starts receiving events from the server.
/// This results in a long-standing call to EWS.
/// </summary>
/// <exception cref="InvalidOperationException">Thrown when Open is called while connected.</exception>
public void Open()
{
lock (this.lockObject)
{
this.ThrowIfDisposed();
this.ValidateConnectionState(false, Strings.CannotCallConnectDuringLiveConnection);
if (this.subscriptions.Count == 0)
{
throw new ServiceLocalException(Strings.NoSubscriptionsOnConnection);
}
this.currentHangingRequest = new GetStreamingEventsRequest(
this.session,
this.HandleServiceResponseObject,
this.subscriptions.Keys,
this.connectionTimeout);
this.currentHangingRequest.OnDisconnect += new HangingServiceRequestBase.HangingRequestDisconnectHandler(this.OnRequestDisconnect);
this.currentHangingRequest.InternalExecute();
}
}
