/// <summary>
/// Method to unregister an interceptor
/// </summary>
/// <param name="direction">Defines if interceptor is for: publish or subscribe</param>
/// <param name="registrationGuid">Goid which was returned from the register call</param>
public static void UnRegister(InterceptDirection direction, Guid registrationGuid)
{
if (direction != InterceptDirection.Publish && direction != InterceptDirection.Subscribe)
{
return;
}
if (direction == InterceptDirection.Subscribe)
{
if (subscribeRegistrationGuid == registrationGuid)
{
subscribeInterceptor = null;
subscribeRegistrationGuid = Guid.Empty;
}
}
else
{
if (publishRegistrationGuid == registrationGuid)
{
publishInterceptor = null;
publishRegistrationGuid = Guid.Empty;
}
}
return;
}
/// <summary>
/// Method used to register an interceptor with Wsp. Only one interceptor is permitted.
/// </summary>
/// <param name="direction">Defines the direction the interceptor is registering for: publish or subscribe</param>
/// <param name="interceptor">Delegate which Wsp will call for interception</param>
/// <param name="onNextPrivate">Delegate to publish events which bypass interceptor logic</param>
/// <returns>Guid needed to unregister</returns>
public static Guid Register(InterceptDirection direction, InterceptorDelegate interceptor, out OnNextPrivate onNextPrivate)
{
WspEventPublish eventPublish = new WspEventPublish();
onNextPrivate = eventPublish.OnNextPrivate;
if (direction != InterceptDirection.Publish && direction != InterceptDirection.Subscribe)
{
onNextPrivate = null;
return(Guid.Empty);
}
if (direction == InterceptDirection.Subscribe)
{
if (subscribeRegistrationGuid == Guid.Empty)
{
subscribeInterceptor = interceptor;
subscribeRegistrationGuid = Guid.NewGuid();
return(subscribeRegistrationGuid);
}
else
{
onNextPrivate = null;
return(Guid.Empty);
}
}
else
{
if (publishRegistrationGuid == Guid.Empty)
{
publishInterceptor = interceptor;
publishRegistrationGuid = Guid.NewGuid();
return(publishRegistrationGuid);
}
else
{
onNextPrivate = null;
return(Guid.Empty);
}
}
}
