final MockMemoryUsage usage = new MockMemoryUsage();
queue.setOptimizedDispatch(true);
queue.initialize();
queue.start();
queue.memoryUsage = usage;
ProducerBrokerExchange producerExchange = new ProducerBrokerExchange();
ProducerInfo producerInfo = new ProducerInfo();
ProducerState producerState = new ProducerState(producerInfo);