public void destroy() { if (consumer != null) { consumer.shutdown(); logger.info( "consumer shutdown! topic={0},subExpression={1},group={2}", topic.getTopic(), subExpression, group); } }
public void init() throws MQClientException { nameServer = PropertyFileUtil.get("rocketmq.namesrv.domain"); if (StringUtils.isBlank(nameServer)) { logger.warn("【MQ init】property rocketmq.namesrv.domain not found"); return; } if ("localTest".equals(nameServer)) { logger.warn("【MQ init】localTest"); return; } if (StringUtils.isBlank(System.getProperty("rocketmq.namesrv.domain"))) { System.setProperty("rocketmq.namesrv.domain", nameServer); } topicType = getTopic(); topic = RocketMqUtils.getTopic(topicType); if (StringUtils.isBlank(group)) { group = "S_" + topic.getTopic() + "_" + topic.getTags(); } consumer = new DefaultMQPushConsumer(group); consumer.setNamesrvAddr(nameServer); consumer.setMessageModel(getMessageModel()); consumer.setConsumeThreadMin(minConsumeThread); consumer.setConsumeThreadMax(maxConsumeThread); // 可以不设置 设置后可以起多个 消费端 try { consumer.setInstanceName("DEFAULT_CONSUMER-" + InetAddress.getLocalHost().getHostName()); } catch (UnknownHostException e) { logger.error("getHostName error", e); } // 设置订阅的topic 设置订阅过滤表达式 if (StringUtils.isBlank(subExpression)) { subExpression = topic.getTags(); consumer.subscribe(topic.getTopic(), subExpression); } else { consumer.subscribe(topic.getTopic(), subExpression); } try { consumer.registerMessageListener(this); consumer.start(); } catch (MQClientException e) { logger.error( "consumer start error!topic={},subExpression={},group={}", topic.getTopic(), subExpression, group, e); } logger.info( "consumer start! topic={},subExpression={},group={}", topic.getTopic(), subExpression, group); }