An implementation of the IMessageHandlerInvoker interface is used to invoke a mesage handler for the given message in the PipelineEvent.
If you do not specify your own implementation of the IMessageHandlerInvoker the DefaultMessageHandlerInvoker will be used. This invoker makes use of the IMessageHandlerFactory to create the required message handler factory.
MessageHandlerInvokeResult Invoke(PipelineEvent pipelineEvent);
Invoke the message handler using the data contained in the given PipelineEvent.