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12.7 Summary
12.7 小结
In this chapter we learned about some of the advanced features that an ActiveMQ client
can use above and beyond the JMS specification.
本章中,我们学习了一些ActiveMQ客户端的高级功能,这些功能超过了JMS规范的定义.
We learned about exclusive consumers, and walked through an example of using
them as a distributed locking mechanism to ensure (paradoxically) that only one producer
will be running for a distributed application. We’ve seen the power of using
message groups to group messages together so that they’re consumed by the same
message consumer.
我们学习了排他性的消息消费者,并且分析了一个示例,这个示例使用一个使用排他性消息消费者
实现分布式锁机制以保证在一个分布式应用中同一时间只可运行一个消息生产者.我们还了解了
消息群组的强大功能--使用消息分组以便同一组中的消息可以被同一个消息消费者处理.
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